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Sæsoner 2012
2012x1
How containerization shaped the modern world - Sir Harold Evans
Episode overview
Udgivelsesdato
Mar 11, 2012
Sometimes a single unlikely idea can have massive impact across the world. Sir Harold Evans, the author of They Made America, describes how frustration drove Malcom McLean, a small-town
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Sometimes a single unlikely idea can have massive impact across the world. Sir Harold Evans, the author of They Made America, describes how frustration drove Malcom McLean, a small-town truck driver, to invent the shipping container. Containerization was born, and it transformed the modern global economy.
Udgivelsesdato
Mar 11, 2012
In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers. PS: Full version is published on Mar 17, 2012.
In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers. PS: Full version is published on Mar 17, 2012.
Udgivelsesdato
Mar 11, 2012
The fact that no one knows the answer to this question is what makes it exciting. The story of physics has been one of an ever-expanding understanding of the sheer scale of reality, to
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The fact that no one knows the answer to this question is what makes it exciting. The story of physics has been one of an ever-expanding understanding of the sheer scale of reality, to the point where physicists are now postulating that there may be far more universes than just our own. Chris Anderson explores the thrilling implications of this idea.
Udgivelsesdato
Mar 11, 2012
Using newts, coyotes and mice, Jason Munshi-South shows how animals develop genetic differences in evolution, even within an urban city.
Using newts, coyotes and mice, Jason Munshi-South shows how animals develop genetic differences in evolution, even within an urban city.
2012x5
Why can't we see evidence of alien life? - Chris Anderson
Episode overview
Udgivelsesdato
Mar 11, 2012
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of
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Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful.
Udgivelsesdato
Mar 11, 2012
By dissecting a cockroach ... yes, live on stage ... TED Fellow and neuroscientist Greg Gage shows how brains receive and deliver electric impulses -- and how legs can respond.
By dissecting a cockroach ... yes, live on stage ... TED Fellow and neuroscientist Greg Gage shows how brains receive and deliver electric impulses -- and how legs can respond.
Udgivelsesdato
Mar 11, 2012
In our increasingly globalized world, a single infected person can board a plane and spread a virus across continents. Mark Honigsbaum describes the history of pandemics and how that knowledge can help halt future outbreaks.
In our increasingly globalized world, a single infected person can board a plane and spread a virus across continents. Mark Honigsbaum describes the history of pandemics and how that knowledge can help halt future outbreaks.
Udgivelsesdato
Mar 11, 2012
Long, fancy words designed to show off your intelligence and vocabulary are all very well, but they aren't always the best words. In this short, playful video Terin Izil explains why
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Long, fancy words designed to show off your intelligence and vocabulary are all very well, but they aren't always the best words. In this short, playful video Terin Izil explains why simple, punchy language is often the clearest way to convey a message.
Udgivelsesdato
Mar 12, 2012
In the deepest, darkest parts of the oceans are ecosystems with more diversity than a tropical rainforest. Taking us on a voyage into the ocean -- from the deepest trenches to the
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In the deepest, darkest parts of the oceans are ecosystems with more diversity than a tropical rainforest. Taking us on a voyage into the ocean -- from the deepest trenches to the remains of the Titanic -- marine biologist David Gallo explores the wonder and beauty of marine life.
Udgivelsesdato
Mar 12, 2012
Storyteller and educator Awele Makeba combines performing arts and history to tell a powerful story from the American civil rights movement.
Storyteller and educator Awele Makeba combines performing arts and history to tell a powerful story from the American civil rights movement.
Udgivelsesdato
Mar 12, 2012
This episode has no summary.
This episode has no summary.
2012x11
How simple ideas lead to scientific discoveries - Adam Savage
Episode overview
Udgivelsesdato
Mar 13, 2012
Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of
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Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measurement of the speed of light in 1849.
2012x12
Symbiosis: A surprising tale of species cooperation - David Gonzales
Episode overview
Udgivelsesdato
Mar 13, 2012
Different species often depend on one another. David Gonzales describes the remarkable relationship of the Clark's nutcracker and the whitebark pine, to illustrate the interdependency known as symbiosis.
Different species often depend on one another. David Gonzales describes the remarkable relationship of the Clark's nutcracker and the whitebark pine, to illustrate the interdependency known as symbiosis.
2012x13
Questions no one knows the answers to (Full Version) - Chris Anderson
Episode overview
Udgivelsesdato
Mar 17, 2012
In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers.
In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers.
2012x14
Poetic stickup: Put the financial aid in the bag - Carvens Lissaint
Episode overview
Udgivelsesdato
Mar 21, 2012
At TEDYouth 2011, Performance artist Carvens Lissaint shows how to use language, metaphor and imagery to express a powerful idea -- as in this spoken word performance, a stirring plea to make college education more accessible.
At TEDYouth 2011, Performance artist Carvens Lissaint shows how to use language, metaphor and imagery to express a powerful idea -- as in this spoken word performance, a stirring plea to make college education more accessible.
Udgivelsesdato
Mar 26, 2012
One of the most successful business models is the franchise, but it didn't originate with McDonald's. Sir Harold Evans, the author of They Made America, describes the remarkable story of
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One of the most successful business models is the franchise, but it didn't originate with McDonald's. Sir Harold Evans, the author of They Made America, describes the remarkable story of a beauty salon that allowed hundreds of women to own their own businesses.
Lesson by Sir Harold Evans, animation by Sunni Brown.
Udgivelsesdato
Apr 02, 2012
New videography techniques have opened up the oceans' microscopic ecosystem, revealing it to be both mesmerizingly beautiful and astoundingly complex. Marine biologist Tierney Thys
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New videography techniques have opened up the oceans' microscopic ecosystem, revealing it to be both mesmerizingly beautiful and astoundingly complex. Marine biologist Tierney Thys teamed with Christian Sardet (CNRS/Tara Oceans), Noé Sardet and Sharif Mirshak to use footage from the Plankton Chronicles project to create a film designed to ignite wonder and curiosity about this hidden world that underpins our own food chain.
Lesson by Tierney Thys.
Udgivelsesdato
Apr 10, 2012
Since 1845, Americans have been voting on Tuesdays -- but why? In this humorous talk, Jacob Soboroff shares the history of Election Day and shows how voting on a Tuesday affects voter turnout.
Since 1845, Americans have been voting on Tuesdays -- but why? In this humorous talk, Jacob Soboroff shares the history of Election Day and shows how voting on a Tuesday affects voter turnout.
Udgivelsesdato
Apr 10, 2012
Since 1845, Americans have been voting on Tuesdays -- but why? In this humorous talk, Jacob Soboroff shares the history of Election Day and shows how voting on a Tuesday affects voter turnout.
Since 1845, Americans have been voting on Tuesdays -- but why? In this humorous talk, Jacob Soboroff shares the history of Election Day and shows how voting on a Tuesday affects voter turnout.
Udgivelsesdato
Apr 16, 2012
Just how small are atoms? And what's inside them? The answers turn out to be astounding, even for those who think they know. This fast-paced animation uses spectacular metaphors (imagine
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Just how small are atoms? And what's inside them? The answers turn out to be astounding, even for those who think they know. This fast-paced animation uses spectacular metaphors (imagine a blueberry the size of a football stadium!) to give a visceral sense of the building blocks that make our world.
Lesson by Jonathan Bergmann, animation by Cognitive Media.
2012x19
Exponential Growth: How Folding Paper Can Get You to the Moon - Adrian Paenza
Episode overview
Udgivelsesdato
Apr 19, 2012
Can folding a piece of paper 45 times get you to the moon? By seeing what happens when folding just one piece of paper, we see the unbelievable potential of exponential growth. This
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Can folding a piece of paper 45 times get you to the moon? By seeing what happens when folding just one piece of paper, we see the unbelievable potential of exponential growth. This lesson will leave you wanting to grab a piece of paper to see how many times you can fold it!
2012x20
Sex determination: More complicated than you thought - Aaron Reedy
Episode overview
Udgivelsesdato
Apr 23, 2012
From something as small and complex as a chromosome to something as seemingly simple as the weather, sex determination systems vary significantly across the animal kingdom. Biologist and
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From something as small and complex as a chromosome to something as seemingly simple as the weather, sex determination systems vary significantly across the animal kingdom. Biologist and teacher Aaron Reedy shows us the amazing differences between species when it comes to determination of gender.
Lesson by Aaron Reedy, animation by BuzzCo.
Udgivelsesdato
Apr 25, 2012
The TED-Ed team provides an in depth look at the powerful features of the newly-launched TED-ED Beta website. You'll learn how TED-Ed videos are created, how they are arranged, about the
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The TED-Ed team provides an in depth look at the powerful features of the newly-launched TED-ED Beta website. You'll learn how TED-Ed videos are created, how they are arranged, about the learning materials that surround each video, and how you can create customized or "flipped" lessons based on any TED-Ed video or any video on YouTube.
Udgivelsesdato
Maj 04, 2012
“You’re a fishmonger!” By taking a closer look at Shakespeare’s words--specifically his insults--we see why he is known as a master playwright whose works transcend time and appeal to audiences all over the world.
“You’re a fishmonger!” By taking a closer look at Shakespeare’s words--specifically his insults--we see why he is known as a master playwright whose works transcend time and appeal to audiences all over the world.
Udgivelsesdato
Maj 07, 2012
How can a “thumbs up” sign help us remember five processes that impact evolution? The story of the Five Fingers of Evolution gives us a clever way of understanding change in gene pools over time.
How can a “thumbs up” sign help us remember five processes that impact evolution? The story of the Five Fingers of Evolution gives us a clever way of understanding change in gene pools over time.
Udgivelsesdato
Maj 14, 2012
Where do squid, jellyfish and other sea creatures begin life? The story of a sea urchin reveals a stunningly beautiful saga of fertilization, development and growth in the ocean depths.
Where do squid, jellyfish and other sea creatures begin life? The story of a sea urchin reveals a stunningly beautiful saga of fertilization, development and growth in the ocean depths.
Udgivelsesdato
Maj 21, 2012
TED-Ed Lesson: One bag of apples, one apple, one slice of apple -- which of these is one unit? Explore the basic unit of math (explained by a trip to the grocery store!) and discover the many meanings ...
TED-Ed Lesson: One bag of apples, one apple, one slice of apple -- which of these is one unit? Explore the basic unit of math (explained by a trip to the grocery store!) and discover the many meanings ...
Udgivelsesdato
Maj 29, 2012
Colors, camera angles and logos in the media can all prompt immediate associations with emotions, activities and memories. Learn to decode the intricate system of symbols that are a part of everyday life -- from advertising messages to traffic signs.
Colors, camera angles and logos in the media can all prompt immediate associations with emotions, activities and memories. Learn to decode the intricate system of symbols that are a part of everyday life -- from advertising messages to traffic signs.
Udgivelsesdato
Jun 04, 2012
Scientific discovery isn't as simple as one good experiment. The weird and wonderful history of cell theory illuminates the twists and turns that came together to build the foundations of biology.
Scientific discovery isn't as simple as one good experiment. The weird and wonderful history of cell theory illuminates the twists and turns that came together to build the foundations of biology.
2012x27
How to speed up chemical reactions (and get a date) - Aaron Sams
Episode overview
Udgivelsesdato
Jun 18, 2012
The complex systems of high school dating and chemical reactions may have more in common than you think. Explore five rules for speeding up chemical reactions in the lab that might just land you a date to a dance!
The complex systems of high school dating and chemical reactions may have more in common than you think. Explore five rules for speeding up chemical reactions in the lab that might just land you a date to a dance!
Udgivelsesdato
Jun 26, 2012
Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work? Learn about the basic physiology of how humans
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Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work? Learn about the basic physiology of how humans experience pain, and the mechanics of the medicines we've invented to block or circumvent that discomfort.
2012x29
Calculating the odds of intelligent alien life - Jill Tarter
Episode overview
Udgivelsesdato
Jul 02, 2012
Could there be intelligent life on other planets? This question has piqued imagination and curiosity for decades. Explore the answer with the Drake Equation -- a mathematical formula that calculates the possibility of undiscovered life.
Could there be intelligent life on other planets? This question has piqued imagination and curiosity for decades. Explore the answer with the Drake Equation -- a mathematical formula that calculates the possibility of undiscovered life.
Udgivelsesdato
Jul 09, 2012
Don’t take the easy route! Instead, use this little trick to improve your writing -- let go of the words “good” and “bad,” and push yourself to illustrate, elucidate and illuminate your world with language.
Don’t take the easy route! Instead, use this little trick to improve your writing -- let go of the words “good” and “bad,” and push yourself to illustrate, elucidate and illuminate your world with language.
Udgivelsesdato
Jul 16, 2012
We all know the words around electricity -- “charge,” “positive,” “battery” and more. But where do they come from and what do they really mean? Let the history of these words illuminate the physics of electric phenomena.
We all know the words around electricity -- “charge,” “positive,” “battery” and more. But where do they come from and what do they really mean? Let the history of these words illuminate the physics of electric phenomena.
Udgivelsesdato
Jul 23, 2012
Watch the miraculous journey of infant sea turtles as these tiny animals run the gauntlet of predators and harsh conditions. Then, in numbers, see how human behavior has made their tough lives even more challenging.
Watch the miraculous journey of infant sea turtles as these tiny animals run the gauntlet of predators and harsh conditions. Then, in numbers, see how human behavior has made their tough lives even more challenging.
2012x33
How two decisions led me to Olympic glory - Steve Mesler
Episode overview
Udgivelsesdato
Jul 30, 2012
From setback and injury to an Olympic gold medal -- see how confidently making decisions led one bobsledder down an unexpected pathway to victory.
From setback and injury to an Olympic gold medal -- see how confidently making decisions led one bobsledder down an unexpected pathway to victory.
Udgivelsesdato
Aug 06, 2012
Using the fundamentals of set theory, explore the mind-bending concept of the “infinity of infinities” -- and how it led mathematicians to conclude that math itself contains unanswerable questions.
Using the fundamentals of set theory, explore the mind-bending concept of the “infinity of infinities” -- and how it led mathematicians to conclude that math itself contains unanswerable questions.
Udgivelsesdato
Aug 09, 2012
At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother’s caress.
At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother’s caress.
Udgivelsesdato
Aug 13, 2012
Music is a powerful communication tool--it causes us to laugh, cry, think and question. Bassist and five-time Grammy winner, Victor Wooten, asks us to approach music the same way we
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Music is a powerful communication tool--it causes us to laugh, cry, think and question. Bassist and five-time Grammy winner, Victor Wooten, asks us to approach music the same way we learn verbal language--by embracing mistakes and playing as often as possible.
Udgivelsesdato
Aug 16, 2012
Where did time-telling come from? What are time zones and why are there so many of them? Get the answers to these questions and more in this journey through the history of time -- from sundials to hourglasses to modern clocks.
Where did time-telling come from? What are time zones and why are there so many of them? Get the answers to these questions and more in this journey through the history of time -- from sundials to hourglasses to modern clocks.
Udgivelsesdato
Aug 20, 2012
What are logarithms and why are they useful? Get the basics on these critical mathematical functions -- and discover why smart use of logarithms can determine whether your eyes turn red
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What are logarithms and why are they useful? Get the basics on these critical mathematical functions -- and discover why smart use of logarithms can determine whether your eyes turn red at the swimming pool this summer. Lesson by Steve Kelly, animation by TED-Ed.
Udgivelsesdato
Aug 23, 2012
Reading and stories can be an escape from real life, a window into another world -- but have you ever considered how new fictional experiences might change your perspective on real,
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Reading and stories can be an escape from real life, a window into another world -- but have you ever considered how new fictional experiences might change your perspective on real, everyday life? From Pride and Prejudice to Harry Potter, learn how popular fiction can spark public dialogue and shape culture.
Udgivelsesdato
Aug 27, 2012
Journalism can be much more than reporting. An authentic, human narrative touches audiences and keeps them reading. Learn how to shape a human-centered news story, and the importance of facts, context and heart.
Journalism can be much more than reporting. An authentic, human narrative touches audiences and keeps them reading. Learn how to shape a human-centered news story, and the importance of facts, context and heart.
Udgivelsesdato
Aug 31, 2012
Will it rain tomorrow? How likely is your favorite team to win the Super Bowl? Questions like these are answered through the mathematics of probability. Watch this artistic visualization
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Will it rain tomorrow? How likely is your favorite team to win the Super Bowl? Questions like these are answered through the mathematics of probability. Watch this artistic visualization of your odds of passing a test if you don’t know any of the answers.
Udgivelsesdato
Sep 04, 2012
Conflict and cultural clashes are a part of our global reality, but so is the universal desire for peace. From Bangladesh to Myanmar to Lesotho, discover this inspiring common sentiment in traditional greetings of peace.
Conflict and cultural clashes are a part of our global reality, but so is the universal desire for peace. From Bangladesh to Myanmar to Lesotho, discover this inspiring common sentiment in traditional greetings of peace.
2012x43
How taking a bath led to Archimedes' principle - Mark Salata
Episode overview
Udgivelsesdato
Sep 06, 2012
Stories of discovery and invention often begin with a problem that needs solving. Summoned by the king to investigate a suspicious goldsmith, the early Greek mathematician Archimedes stumbles on the principle that would make him famous.
Stories of discovery and invention often begin with a problem that needs solving. Summoned by the king to investigate a suspicious goldsmith, the early Greek mathematician Archimedes stumbles on the principle that would make him famous.
2012x44
An introduction to mathematical theorems - Scott Kennedy
Episode overview
Udgivelsesdato
Sep 10, 2012
Euclid of Alexandria revolutionized the way that mathematics is written, presented or thought about, and introduced the concept of mathematical proofs. Discover what it takes to move
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Euclid of Alexandria revolutionized the way that mathematics is written, presented or thought about, and introduced the concept of mathematical proofs. Discover what it takes to move from a loose theory or idea to a universally convincing proof.
Lesson by Scott Kennedy, animation by Karrot Animation.
2012x45
How big is a mole? (Not the animal, the other one.) - Daniel Dulek
Episode overview
Udgivelsesdato
Sep 11, 2012
The word “mole” suggests a small, furry burrowing animal to many. But in this lesson, we look at the concept of the mole in chemistry. Learn the incredible magnitude of the mole--and how
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The word “mole” suggests a small, furry burrowing animal to many. But in this lesson, we look at the concept of the mole in chemistry. Learn the incredible magnitude of the mole--and how something so big can help us calculate the tiniest particles in the world.
2012x46
A clever way to estimate enormous numbers - Michael Mitchell
Episode overview
Udgivelsesdato
Sep 12, 2012
Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: “How many piano tuners are there in Chicago?” Physicist Enrico Fermi was very good
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Have you ever tried to guess how many pieces of candy there are in a jar? Or tackled a mindbender like: “How many piano tuners are there in Chicago?” Physicist Enrico Fermi was very good at problems like these -- learn how he used the power of 10 to make amazingly fast estimations of big numbers.
Udgivelsesdato
Sep 13, 2012
Watching a movie at home isn’t quite the same experience as seeing it at a movie theater -- but why? Learn how changes in aspect ratio affect every film, and why your television might not be delivering the whole picture.
Watching a movie at home isn’t quite the same experience as seeing it at a movie theater -- but why? Learn how changes in aspect ratio affect every film, and why your television might not be delivering the whole picture.
Udgivelsesdato
Sep 17, 2012
Did you know that when you fall down, the earth falls up to meet you? Explore the counterintuitive equation that describes gravity.
Did you know that when you fall down, the earth falls up to meet you? Explore the counterintuitive equation that describes gravity.
2012x49
Magical metals, how shape memory alloys work - Ainissa Ramirez
Episode overview
Udgivelsesdato
Sep 18, 2012
From robots to braces to the Mars Rover, see how a special kind of metal called shape memory alloys advance technology in everyday ways that we don’t always realize.
From robots to braces to the Mars Rover, see how a special kind of metal called shape memory alloys advance technology in everyday ways that we don’t always realize.
Udgivelsesdato
Sep 19, 2012
Why would it be hard to pedal a 10,000 pound bicycle? This simple explanation shows how Newton’s 3 laws of motion help you ride your bike.
Why would it be hard to pedal a 10,000 pound bicycle? This simple explanation shows how Newton’s 3 laws of motion help you ride your bike.
2012x51
What is chirality and how did it get in my molecules? - Michael Evans
Episode overview
Udgivelsesdato
Sep 20, 2012
Improve your understanding of molecular properties with this lesson on the fascinating property of chirality. Your hands are the secret to understanding the strange similarity between
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Improve your understanding of molecular properties with this lesson on the fascinating property of chirality. Your hands are the secret to understanding the strange similarity between two molecules that look almost exactly alike, but are not perfect mirror images.
Udgivelsesdato
Sep 24, 2012
How do metaphors help us better understand the world? And, what makes a good metaphor? Explore these questions with writers like Langston Hughes and Carl Sandburg, who have mastered the art of bringing a scene or emotion to life.
How do metaphors help us better understand the world? And, what makes a good metaphor? Explore these questions with writers like Langston Hughes and Carl Sandburg, who have mastered the art of bringing a scene or emotion to life.
Udgivelsesdato
Sep 25, 2012
Let’s Begin…
What can spelling tell us about relationships between words? While spelling may sometimes seem random or unexpected, this lesson illuminates how peeling back the layers of
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Let’s Begin…
What can spelling tell us about relationships between words? While spelling may sometimes seem random or unexpected, this lesson illuminates how peeling back the layers of spelling helps us understand the complex history and meaningful structure of words.
Udgivelsesdato
Sep 26, 2012
Gravity. The stars in day. Thoughts. The human genome. Time. Atoms. So much of what really matters in the world is impossible to see. A stunning animation of John Lloyd's classic TEDTalk from 2009, which will make you question what you actually know.
Gravity. The stars in day. Thoughts. The human genome. Time. Atoms. So much of what really matters in the world is impossible to see. A stunning animation of John Lloyd's classic TEDTalk from 2009, which will make you question what you actually know.
Udgivelsesdato
Sep 27, 2012
Never underestimate the power of an intriguing start. When analyzing the literary greats like Charles Dickens and Kurt Vonnegut, be inspired by their craft and learn how to write a tantalizing introduction and strong thesis.
Never underestimate the power of an intriguing start. When analyzing the literary greats like Charles Dickens and Kurt Vonnegut, be inspired by their craft and learn how to write a tantalizing introduction and strong thesis.
2012x56
Why do competitors open their stores next to one another? - Jac de Haan
Episode overview
Udgivelsesdato
Okt 01, 2012
Why are all the gas stations, cafes and restaurants in one crowded spot? As two competitive cousins vie for ice-cream-selling domination on one small beach, discover how game theory and the Nash Equilibrium inform these retail hotspots.
Why are all the gas stations, cafes and restaurants in one crowded spot? As two competitive cousins vie for ice-cream-selling domination on one small beach, discover how game theory and the Nash Equilibrium inform these retail hotspots.
2012x128
Does your vote count? The Electoral College explained - Christina Greer
Episode overview
Udgivelsesdato
Okt 01, 2012
This episode has no summary.
This episode has no summary.
Udgivelsesdato
Okt 02, 2012
What exactly is the carbon cycle? Nathaniel Manning provides a basic look into the cyclical relationship of carbon, humans and the environment.
What exactly is the carbon cycle? Nathaniel Manning provides a basic look into the cyclical relationship of carbon, humans and the environment.
Udgivelsesdato
Okt 03, 2012
What do a man, a mushroom, and an elephant have in common? A very long and simple double helix molecule makes us more similar and much more different than any other living thing. But,
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What do a man, a mushroom, and an elephant have in common? A very long and simple double helix molecule makes us more similar and much more different than any other living thing. But, how does a simple molecule determine the form and function of so many different living things?
Udgivelsesdato
Okt 04, 2012
We breathe constantly, but have you ever thought about how breathing works? Discover the ins and outs of one of our most basic living functions-- from the science of respiration to how to control your breaths.
We breathe constantly, but have you ever thought about how breathing works? Discover the ins and outs of one of our most basic living functions-- from the science of respiration to how to control your breaths.
Udgivelsesdato
Okt 08, 2012
What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light informs the world in which we live.
What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light informs the world in which we live.
2012x61
The ABC's of gas: Avogadro, Boyle, Charles - Brian Bennett
Episode overview
Udgivelsesdato
Okt 09, 2012
How can bottles and balloons help explain the different laws that govern gas? See how Boyle’s Law, Charles’ Law, and Avogadro’s Law help us understand the laws that govern gas properties.
How can bottles and balloons help explain the different laws that govern gas? See how Boyle’s Law, Charles’ Law, and Avogadro’s Law help us understand the laws that govern gas properties.
2012x62
Describing the invisible properties of gas - Brian Bennett
Episode overview
Udgivelsesdato
Okt 10, 2012
How do you explain the properties of something we can’t see? See how scientists use scientific principles, such as gravity, to observe gases. This lesson explores gases and how we have come to know what we know about them.
How do you explain the properties of something we can’t see? See how scientists use scientific principles, such as gravity, to observe gases. This lesson explores gases and how we have come to know what we know about them.
2012x63
How does math guide our ships at sea? - George Christoph
Episode overview
Udgivelsesdato
Okt 11, 2012
Without math, would our seafaring ancestors ever have seen the world? Great mathematical thinkers and their revolutionary discoveries have an incredible story. Explore the beginnings of
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Without math, would our seafaring ancestors ever have seen the world? Great mathematical thinkers and their revolutionary discoveries have an incredible story. Explore the beginnings of logarithms through the history of navigation, adventure and new worlds.
Udgivelsesdato
Okt 15, 2012
Every day, we meet people and process our interactions-- making inferences and developing beliefs about the world around us. In this lesson, Trevor Maber introduces us to the idea of a
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Every day, we meet people and process our interactions-- making inferences and developing beliefs about the world around us. In this lesson, Trevor Maber introduces us to the idea of a 'ladder of inference' and a process for rethinking the way we interact. [Directed by Biljana Labovic, narrated by Trevor Maber].
Udgivelsesdato
Okt 15, 2012
This episode has no summary.
This episode has no summary.
Udgivelsesdato
Okt 16, 2012
Bill Nye, otherwise known as The Science Guy, inherited his father's fascination with sundials. And so he campaigned to have sundials aboard the Spirit and Opportunity Mars exploration
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Bill Nye, otherwise known as The Science Guy, inherited his father's fascination with sundials. And so he campaigned to have sundials aboard the Spirit and Opportunity Mars exploration rovers. A look at how a small device reveals big implications as to our place in space.
2012x66
How inventions change history (for better and for worse) - Kenneth C. Davis
Episode overview
Udgivelsesdato
Okt 17, 2012
Invented in 1793, the cotton gin changed history for good and bad. By allowing one field hand to do the work of 10, it powered a new industry that brought wealth and power to the
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Invented in 1793, the cotton gin changed history for good and bad. By allowing one field hand to do the work of 10, it powered a new industry that brought wealth and power to the American South -- but, tragically, it also multiplied and prolonged the use of slave labor. Kenneth C. Davis lauds innovation, while warning us of unintended consequences.
Udgivelsesdato
Okt 18, 2012
The world owes much of its cultural legacy to Constantinople’s walls. When Constantinople was under siege by neighboring enemies, the Roman city’s elaborate system of moats, outer walls,
.. show full overview
The world owes much of its cultural legacy to Constantinople’s walls. When Constantinople was under siege by neighboring enemies, the Roman city’s elaborate system of moats, outer walls, and inner walls stood tall. Surviving numerous fire attacks, the walls were eventually brought down by more modern tools of warfare, but, thankfully, classical culture survived.
2012x68
Diagnosing a zombie: Brain and body (Part one) - Tim Verstynen & Bradley Voytek
Episode overview
Udgivelsesdato
Okt 22, 2012
Zombies eat brains. They are also, like all of us, driven by brain functions. What is happening in their brains to make them act as they do? In this intriguing dialogue, Tim Verstynen &
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Zombies eat brains. They are also, like all of us, driven by brain functions. What is happening in their brains to make them act as they do? In this intriguing dialogue, Tim Verstynen & Bradley Voytek apply the various human medical possibilities that make zombies...zombies.
Udgivelsesdato
Okt 23, 2012
How did a meeting intended to revise the Articles of Confederation lead to the new Constitution for the United States? Discover how a handful of men--sitting in sweltering heat and
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How did a meeting intended to revise the Articles of Confederation lead to the new Constitution for the United States? Discover how a handful of men--sitting in sweltering heat and shrouded by secrecy--changed the course of history for America in 1787.
2012x70
Diagnosing a zombie: brain and behavior (Part two) - Tim Verstynen & Bradley Voytek
Episode overview
Udgivelsesdato
Okt 24, 2012
How are different brain stimulations involved with human behaviors--and how can observing a zombie help us understand the brain? In the second part of the Diagnosing Zombies series, two
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How are different brain stimulations involved with human behaviors--and how can observing a zombie help us understand the brain? In the second part of the Diagnosing Zombies series, two scientists continue to ponder the erratic behaviors of a zombie to explore the relationship between the brain and behavior.
2012x71
Gerrymandering: How drawing jagged lines can impact an election - Christina Greer
Episode overview
Udgivelsesdato
Okt 25, 2012
District lines, and the groups of voters within them, may seem arbitrary, but a lot of thought (and political bickering) is put into these carefully drawn lines. From “packing” a
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District lines, and the groups of voters within them, may seem arbitrary, but a lot of thought (and political bickering) is put into these carefully drawn lines. From “packing” a district to “cracking” a district--learn how the shape of districts impacts political parties during election season.
2012x72
Ray Laurence: A glimpse of teenage life in ancient Rome
Episode overview
Udgivelsesdato
Okt 29, 2012
Welcome to the world of Lucius Popidius Secundus a 17-year old living in Rome in 73 AD. His life is a typical one of arranged marriages coming-of-age festivals and communal baths. Take a
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Welcome to the world of Lucius Popidius Secundus a 17-year old living in Rome in 73 AD. His life is a typical one of arranged marriages coming-of-age festivals and communal baths. Take a look at this exquisitely detailed lesson on life of a typical Roman teenager two thousand years ago. [Lesson by Ray Laurence, directed by Cognitive Media, narrated by Ray Laurence].
2012x127
A glimpse of teenage life in ancient Rome - Ray Laurence
Episode overview
Udgivelsesdato
Okt 29, 2012
This episode has no summary.
This episode has no summary.
2012x73
A 3-minute guide to the Bill of Rights - Belinda Stutzman
Episode overview
Udgivelsesdato
Okt 30, 2012
Daily, Americans exercise their rights secured by the Constitution. The most widely discussed and debated part of the Constitution is known as the Bill of Rights. Belinda Stutzman
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Daily, Americans exercise their rights secured by the Constitution. The most widely discussed and debated part of the Constitution is known as the Bill of Rights. Belinda Stutzman provides a refresher course on exactly what the first ten amendments grant each and every American citizen.
2012x74
Beware of nominalizations (AKA zombie nouns) - Helen Sword
Episode overview
Udgivelsesdato
Okt 31, 2012
Few mistakes sour good writing like nominalizations, or, as Helen Sword likes to call them, zombie nouns. Zombie nouns transform simple and straightforward prose into verbose and often
.. show full overview
Few mistakes sour good writing like nominalizations, or, as Helen Sword likes to call them, zombie nouns. Zombie nouns transform simple and straightforward prose into verbose and often confusing writing. Keep your nouns away from elongating nominalizations!
2012x75
Christina Greer: Does your vote count? The Electoral College explained
Episode overview
Udgivelsesdato
Nov 01, 2012
You vote but then what? Discover how your individual vote contributes to the popular vote and your state's electoral vote in different ways--and see how votes are counted on both state
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You vote but then what? Discover how your individual vote contributes to the popular vote and your state's electoral vote in different ways--and see how votes are counted on both state and national levels. [Lesson by Christina Greer, directed by Mark Phillips, narrated by Christina Greer].
2012x76
The oddities of the first American election - Kenneth C. Davis
Episode overview
Udgivelsesdato
Nov 05, 2012
How did George Washington become the first president of the United States in 1789? Who got to decide--or vote--who would become president, and how did they decide the winner? Kenneth C.
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How did George Washington become the first president of the United States in 1789? Who got to decide--or vote--who would become president, and how did they decide the winner? Kenneth C. Davis unveils the surprising story behind America’s first presidential election.
Udgivelsesdato
Nov 07, 2012
Spiders and crustaceans, also known as arthropods, led the charge from water to land--now outnumbering all terrestrial animals. But what about arthropods makes them so adaptable to life
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Spiders and crustaceans, also known as arthropods, led the charge from water to land--now outnumbering all terrestrial animals. But what about arthropods makes them so adaptable to life on land? Marine biologist Tierney Thys, and Noé Sardet and Sharif Mirshak of the Plankton Chronicles Project, shows us a world of fascinating animals and their habitats.
2012x78
A needle in countless haystacks: Finding habitable worlds - Ariel Anbar
Episode overview
Udgivelsesdato
Nov 08, 2012
Out of billions of galaxies and billions of stars, how do we find Earth-like habitable worlds? What is essential to support life as we know it? Ariel Anbar provides a checklist for finding life on other planets.
Out of billions of galaxies and billions of stars, how do we find Earth-like habitable worlds? What is essential to support life as we know it? Ariel Anbar provides a checklist for finding life on other planets.
2012x79
Dark matter: How does it explain a star's speed? - Don Lincoln
Episode overview
Udgivelsesdato
Nov 12, 2012
All the stars in a spiral galaxy rotate around a center -- but to astronomers, the speed that each star travels wasn't making sense. Why didn't stars slow down toward the edges as
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All the stars in a spiral galaxy rotate around a center -- but to astronomers, the speed that each star travels wasn't making sense. Why didn't stars slow down toward the edges as expected? Don Lincoln explains how a mysterious force called dark matter is (possibly) the answer -- and why the search for an answer matters.
Udgivelsesdato
Nov 13, 2012
How can an antihero teach us about the heroic--and sometimes, the unheroic--characteristics that shape a story’s protagonist? From jealousy to self-doubt, Tim Adams challenges us to
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How can an antihero teach us about the heroic--and sometimes, the unheroic--characteristics that shape a story’s protagonist? From jealousy to self-doubt, Tim Adams challenges us to consider how antiheroes reflect the very mortal weaknesses that can be found within all of us.
Udgivelsesdato
Nov 14, 2012
This episode has no summary.
This episode has no summary.
Udgivelsesdato
Nov 15, 2012
Which came first: the stress or the pimples? The physical reactions to stress can cause major breakouts, which, in turn, can be even more stressful! Claudia Aguirre gives just one more reason to get that stress under control.
Which came first: the stress or the pimples? The physical reactions to stress can cause major breakouts, which, in turn, can be even more stressful! Claudia Aguirre gives just one more reason to get that stress under control.
Udgivelsesdato
Nov 16, 2012
While news from Iran streams to the world, Clay Shirky shows how Facebook, Twitter, and TXTs help citizens in repressive regimes report on real news, bypassing censors (however briefly).
.. show full overview
While news from Iran streams to the world, Clay Shirky shows how Facebook, Twitter, and TXTs help citizens in repressive regimes report on real news, bypassing censors (however briefly). The end of top-down control of news is changing the nature of politics.
Udgivelsesdato
Nov 17, 2012
Kevin Allocca is YouTube's Trends Manager, and he has deep thoughts about silly web videos. In this talk from TEDYouth, he shares the 4 reasons a video goes viral.
Kevin Allocca is YouTube's Trends Manager, and he has deep thoughts about silly web videos. In this talk from TEDYouth, he shares the 4 reasons a video goes viral.
Udgivelsesdato
Nov 19, 2012
What happens when you jump in a moving elevator? Do you weigh more when you're going up and less when you're going down? Carol Hedden explores the relationship between gravity, weight,
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What happens when you jump in a moving elevator? Do you weigh more when you're going up and less when you're going down? Carol Hedden explores the relationship between gravity, weight, and relative motion, using a moving elevator to explain the fascinating physics.
2012x86
Three anti-social skills to improve your writing - Nadia Kalman
Episode overview
Udgivelsesdato
Nov 20, 2012
You need social skills to have a conversation in real life -- but they're quite different from the skills you need to write good dialogue. Educator Nadia Kalman suggests a few
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You need social skills to have a conversation in real life -- but they're quite different from the skills you need to write good dialogue. Educator Nadia Kalman suggests a few "anti-social skills," like eavesdropping and muttering to yourself, that can help you write an effective dialogue for your next story.
Udgivelsesdato
Nov 21, 2012
The elements had been listed and carefully arranged before Dmitri Mendeleev. They had even been organized by similar properties before. So why is Mendeelev’s periodic table the one that
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The elements had been listed and carefully arranged before Dmitri Mendeleev. They had even been organized by similar properties before. So why is Mendeelev’s periodic table the one that has endured? Lou Serico explains via Ekaaluminium, an element whose existence Mendeelev predicted decades before it was discovered.
Udgivelsesdato
Nov 23, 2012
David McCandless turns complex data sets, like worldwide military spending, media buzz, and Facebook status updates, into beautiful, simple diagrams that tease out unseen patterns and
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David McCandless turns complex data sets, like worldwide military spending, media buzz, and Facebook status updates, into beautiful, simple diagrams that tease out unseen patterns and connections. Good design, he suggests, is the best way to navigate information glut -- and it may just change the way we see the world.
Udgivelsesdato
Nov 24, 2012
Science writer Margaret Wertheim re-creates the creatures of the coral reefs using a technique invented by a mathematician -- simultaneously celebrating the amazements of the reef and deep-diving into the hyperbolic underpinnings of coral creation.
Science writer Margaret Wertheim re-creates the creatures of the coral reefs using a technique invented by a mathematician -- simultaneously celebrating the amazements of the reef and deep-diving into the hyperbolic underpinnings of coral creation.
Udgivelsesdato
Nov 25, 2012
This episode has no summary.
This episode has no summary.
Udgivelsesdato
Nov 26, 2012
Your body is made of cells -- but how does a single cell know to become part of your nose, instead of your toes? The answer is in your body's instruction book: DNA. Joe Hanson compares
.. show full overview
Your body is made of cells -- but how does a single cell know to become part of your nose, instead of your toes? The answer is in your body's instruction book: DNA. Joe Hanson compares DNA to a detailed manual for building a person out of cells -- with 46 chapters (chromosomes) and hundreds of thousands of pages covering every part of you.
Udgivelsesdato
Nov 27, 2012
What is the difference between "a hearty welcome" and "a cordial reception"? In a brief, action-packed history of the English language, Kate Gardoqui explains why these semantically equal phrases evoke such different images.
What is the difference between "a hearty welcome" and "a cordial reception"? In a brief, action-packed history of the English language, Kate Gardoqui explains why these semantically equal phrases evoke such different images.
2012x93
Dance vs. PowerPoint, a modest proposal - John Bohannon
Episode overview
Udgivelsesdato
Nov 28, 2012
Use dancers instead of PowerPoint. That's science writer John Bohannon's "modest proposal." In this spellbinding choreographed talk he makes his case by example, aided by dancers from Black Label Movement.
Use dancers instead of PowerPoint. That's science writer John Bohannon's "modest proposal." In this spellbinding choreographed talk he makes his case by example, aided by dancers from Black Label Movement.
Udgivelsesdato
Nov 29, 2012
The concepts of work and power help us unlock and understand many of the physical laws that govern our universe. In this Lesson, Peter Bohacek explores the interplay of each concept when
.. show full overview
The concepts of work and power help us unlock and understand many of the physical laws that govern our universe. In this Lesson, Peter Bohacek explores the interplay of each concept when applied to two common objects---a lightbulb and a grandfather clock.
Udgivelsesdato
Nov 30, 2012
Physicist Patricia Burchat sheds light on two basic ingredients of our universe: dark matter and dark energy. Comprising 96% of the universe between them, they can't be directly measured, but their influence is immense.
Physicist Patricia Burchat sheds light on two basic ingredients of our universe: dark matter and dark energy. Comprising 96% of the universe between them, they can't be directly measured, but their influence is immense.
Udgivelsesdato
Dec 01, 2012
MIT researcher Deb Roy wanted to understand how his infant son learned language -- so he wired up his house with video cameras to catch every moment (with exceptions) of his son's life,
.. show full overview
MIT researcher Deb Roy wanted to understand how his infant son learned language -- so he wired up his house with video cameras to catch every moment (with exceptions) of his son's life, then parsed 90,000 hours of home video to watch "gaaaa" slowly turn into "water." This astonishing, data-rich research has deep implications for how we learn.
Udgivelsesdato
Dec 02, 2012
Artist and TED Fellow Aparna Rao reimagines the familiar in surprising, often humorous ways. With her collaborator Soren Pors, Rao creates high-tech art installations -- a typewriter
.. show full overview
Artist and TED Fellow Aparna Rao reimagines the familiar in surprising, often humorous ways. With her collaborator Soren Pors, Rao creates high-tech art installations -- a typewriter that sends emails, a camera that tracks you through the room only to make you invisible on screen -- that put a playful spin on ordinary objects and interactions.
2012x98
Let's talk about sex - John Bohannon and Black Label Movement
Episode overview
Udgivelsesdato
Dec 03, 2012
What would you tell your younger self about sex if you could? (Starting with the big question: Why does it exist in the first place?) Mixing talk and dance, John Bohannon and Black Label
.. show full overview
What would you tell your younger self about sex if you could? (Starting with the big question: Why does it exist in the first place?) Mixing talk and dance, John Bohannon and Black Label Movement explore why sex exists -- and implore adults to talk honestly to the kids in their lives about the confusion and joy of human sexuality.
Udgivelsesdato
Dec 04, 2012
What trials unite not only Harry Potter or Frodo Baggins but many of literature's most interesting heroes? And what do ordinary people have in common with these literary heroes? Matthew
.. show full overview
What trials unite not only Harry Potter or Frodo Baggins but many of literature's most interesting heroes? And what do ordinary people have in common with these literary heroes? Matthew Winkler takes us step-by-step through the crucial events that make or break a hero.
2012x100
How do cancer cells behave differently from healthy ones? - George Zaidan
Episode overview
Udgivelsesdato
Dec 05, 2012
How do cancer cells grow? How does chemotherapy fight cancer (and cause negative side effects)? The answers lie in cell division. George Zaidan explains how rapid cell division is cancer’s "strength" -- and also its weakness
How do cancer cells grow? How does chemotherapy fight cancer (and cause negative side effects)? The answers lie in cell division. George Zaidan explains how rapid cell division is cancer’s "strength" -- and also its weakness
Udgivelsesdato
Dec 06, 2012
People love eating pizza, but every style of pie has a different consistency. If "New York-style" -- thin, flat, and large -- is your texture of choice, then you've probably eaten a
.. show full overview
People love eating pizza, but every style of pie has a different consistency. If "New York-style" -- thin, flat, and large -- is your texture of choice, then you've probably eaten a slice that was as messy as it was delicious. Colm Kelleher outlines the scientific and mathematical properties that make folding a slice the long way the best alternative ... to wearing a bib.
Udgivelsesdato
Dec 07, 2012
Worldchanging.com founder Alex Steffen argues that reducing humanity's ecological footprint is especially vital now, as the western consumer lifestyle spreads to developing countries.
Worldchanging.com founder Alex Steffen argues that reducing humanity's ecological footprint is especially vital now, as the western consumer lifestyle spreads to developing countries.
Udgivelsesdato
Dec 08, 2012
"Rock-star physicist" Brian Cox talks about his work on the Large Hadron Collider at CERN. Discussing the biggest of big science in an engaging and accessible way, Cox brings us along on a tour of the massive project.
"Rock-star physicist" Brian Cox talks about his work on the Large Hadron Collider at CERN. Discussing the biggest of big science in an engaging and accessible way, Cox brings us along on a tour of the massive project.
Udgivelsesdato
Dec 09, 2012
Robert Lang is a pioneer of the newest kind of origami -- using math and engineering principles to fold mind-blowingly intricate designs that are beautiful and, sometimes, very useful.
Robert Lang is a pioneer of the newest kind of origami -- using math and engineering principles to fold mind-blowingly intricate designs that are beautiful and, sometimes, very useful.
2012x105
Radioactivity: Expect the unexpected - Steve Weatherall
Episode overview
Udgivelsesdato
Dec 10, 2012
Neutrons don’t change into protons. Except, sometimes, they do. Radioactivity is the process under which the nucleus can change spontaneously from one element to another. Steve
.. show full overview
Neutrons don’t change into protons. Except, sometimes, they do. Radioactivity is the process under which the nucleus can change spontaneously from one element to another. Steve Weatherell suggests that we acknowledge both the usefulness and danger inherent in harvesting radioactivity.
Udgivelsesdato
Dec 11, 2012
From cave drawings to the Sunday paper, artists have been visualizing ideas -- cartoons -- for centuries. New Yorker cartoonist Liza Donnelly walks us through the many stages every
.. show full overview
From cave drawings to the Sunday paper, artists have been visualizing ideas -- cartoons -- for centuries. New Yorker cartoonist Liza Donnelly walks us through the many stages every cartoon goes through, starting with an idea and turning into something that connects us on a deeply human level.
2012x107
Solving the puzzle of the periodic table - Eric Rosado
Episode overview
Udgivelsesdato
Dec 12, 2012
How did the periodic table of elements revolutionize our understanding of the world? What scientists contributed to the table we have today? Eric Rosado discusses the key people and discoveries that have molded our understanding of chemistry today.
How did the periodic table of elements revolutionize our understanding of the world? What scientists contributed to the table we have today? Eric Rosado discusses the key people and discoveries that have molded our understanding of chemistry today.
2012x108
Situational irony: The opposite of what you think - Christopher Warner
Episode overview
Udgivelsesdato
Dec 13, 2012
Leaps and bounds separate that which is ironic and that which many people simply say is ironic. Christopher Warner wants to set the record straight: Something is ironic if and only if it is the exact opposite of what you would expect.
Leaps and bounds separate that which is ironic and that which many people simply say is ironic. Christopher Warner wants to set the record straight: Something is ironic if and only if it is the exact opposite of what you would expect.
Udgivelsesdato
Dec 14, 2012
Ellen Dunham-Jones fires the starting shot for the next big sustainable design project: retrofitting suburbia. To come: Dying malls rehabilitated, dead "big box" stores reinhabited, and parking lots transformed into thriving wetlands.
Ellen Dunham-Jones fires the starting shot for the next big sustainable design project: retrofitting suburbia. To come: Dying malls rehabilitated, dead "big box" stores reinhabited, and parking lots transformed into thriving wetlands.
Udgivelsesdato
Dec 15, 2012
Why do transnational extremist organizations succeed where democratic movements have a harder time taking hold? Maajid Nawaz, a former Islamist extremist, asks for new grassroots stories
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Why do transnational extremist organizations succeed where democratic movements have a harder time taking hold? Maajid Nawaz, a former Islamist extremist, asks for new grassroots stories and global social activism to spread democracy in the face of nationalism and xenophobia in this powerful Talk from TEDGlobal 2011.
Udgivelsesdato
Dec 16, 2012
Psychologist Philip Zimbardo asks, "Why are boys struggling?" He shares some stats (lower graduation rates, greater worries about intimacy and relationships) and the reasons behind them, while challenging the TED community to think about solutions.
Psychologist Philip Zimbardo asks, "Why are boys struggling?" He shares some stats (lower graduation rates, greater worries about intimacy and relationships) and the reasons behind them, while challenging the TED community to think about solutions.
Udgivelsesdato
Dec 17, 2012
Say the word "doubt" aloud. What is that "b" doing there? Does it have any purpose? Gina Cooke explains the long and winding history of "doubt" and why the spelling though it seems
.. show full overview
Say the word "doubt" aloud. What is that "b" doing there? Does it have any purpose? Gina Cooke explains the long and winding history of "doubt" and why the spelling though it seems random is a wink to its storied past. [Directed by David Bernal, narrated by Gina Cooke].
2012x137
Sæsonafslutning
Why is there a "b" in doubt? - Gina Cooke
Episode overview
Udgivelsesdato
Dec 17, 2012
This episode has no summary.
This episode has no summary.
Udgivelsesdato
Dec 18, 2012
Have you ever wondered what color is? In this first installment of a series on light, Colm Kelleher describes the physics behind colors-- why the colors we see are related to the period
.. show full overview
Have you ever wondered what color is? In this first installment of a series on light, Colm Kelleher describes the physics behind colors-- why the colors we see are related to the period of motion and the frequency of waves. [Directed by Alex Rupert and Bernard Tan, narrated by Colm Kelleher].
Udgivelsesdato
Dec 18, 2012
This episode has no summary.
This episode has no summary.
Udgivelsesdato
Dec 19, 2012
Tap dance, born out of the marriage of African and European dance traditions, went from extremely popular to barely existent to grand revival, all in under a century. Professional tap
.. show full overview
Tap dance, born out of the marriage of African and European dance traditions, went from extremely popular to barely existent to grand revival, all in under a century. Professional tap dancer and TED Fellow Andrew Nemr taps into the history of this truly American art form.
Udgivelsesdato
Dec 20, 2012
The scientific method is widely used to make many scientific discoveries, but Robert Full suggests the possibility of finding world-changing results with less formulaic approaches. In
.. show full overview
The scientific method is widely used to make many scientific discoveries, but Robert Full suggests the possibility of finding world-changing results with less formulaic approaches. In his TEDYouth Talk, Full describes the unlikely way he studied gecko’s feet and how these beneficial discoveries could eventually save lives.
Udgivelsesdato
Dec 21, 2012
Legendary ocean researcher Sylvia Earle shares astonishing images of the ocean -- and shocking stats about its rapid decline -- as she makes her TED Prize wish: that we will join her in
.. show full overview
Legendary ocean researcher Sylvia Earle shares astonishing images of the ocean -- and shocking stats about its rapid decline -- as she makes her TED Prize wish: that we will join her in protecting the vital blue heart of the planet. Sylvia Earle has been at the frontier of deep ocean exploration for four decades. She's led more than 50 undersea expeditions, and she's been an equally tireless advocate for our oceans and the creatures who live in them.
Udgivelsesdato
Dec 24, 2012
Nina Jablonski says that differing skin colors are simply our bodies' adaptation to varied climates and levels of UV exposure. Charles Darwin disagreed with this theory, however, as
.. show full overview
Nina Jablonski says that differing skin colors are simply our bodies' adaptation to varied climates and levels of UV exposure. Charles Darwin disagreed with this theory, however, as Jablonski explains, Darwin did not have access to NASA. Nina Jablonski is author of Skin: A Natural History, a close look at human skin's many remarkable traits: its colors, its sweatiness, the fact that we decorate it.
Udgivelsesdato
Dec 25, 2012
This episode has no summary.
This episode has no summary.
Udgivelsesdato
Dec 26, 2012
As political turmoil in Yemen continues, the editor-in-chief of the Yemen Times, Nadia Al-Sakkaf, talks at TEDGlobal with host Pat Mitchell. Al-Sakkaf's independent, English-language
.. show full overview
As political turmoil in Yemen continues, the editor-in-chief of the Yemen Times, Nadia Al-Sakkaf, talks at TEDGlobal with host Pat Mitchell. Al-Sakkaf's independent, English-language paper is vital for sharing news -- and for sharing a new vision of Yemen and of that country's women as equal partners in work and change.
Udgivelsesdato
Dec 27, 2012
When the dot-com bubble burst, hotelier Chip Conley went in search of a business model based on happiness. In an old friendship with an employee and in the wisdom of a Buddhist king, he
.. show full overview
When the dot-com bubble burst, hotelier Chip Conley went in search of a business model based on happiness. In an old friendship with an employee and in the wisdom of a Buddhist king, he learned that success comes from what you count. Chip Conley creates joyful hotels, where he hopes his employees, customers and investors alike can realize their full potential. His books share that philosophy with the wider world.
Udgivelsesdato
Dec 28, 2012
Is the beloved paper dictionary doomed to extinction? In this infectiously exuberant talk, leading lexicographer Erin McKean looks at the many ways today's print dictionary is poised for
.. show full overview
Is the beloved paper dictionary doomed to extinction? In this infectiously exuberant talk, leading lexicographer Erin McKean looks at the many ways today's print dictionary is poised for transformation. As the CEO and co-founder of new online dictionary Wordnik, Erin McKean is reshaping not just dictionaries but how we interact with language itself.
2012x122
Sæsonafslutning
The moral roots of liberals and conservatives - Jonathan Haidt
Episode overview
Udgivelsesdato
Dec 31, 2012
Psychologist Jonathan Haidt studies the five moral values that form the basis of our political choices, whether we're left, right, or center. In this eye-opening talk, he pinpoints the
.. show full overview
Psychologist Jonathan Haidt studies the five moral values that form the basis of our political choices, whether we're left, right, or center. In this eye-opening talk, he pinpoints the moral values that liberals and conservatives tend to honor most. Jonathan Haidt studies how -- and why -- we evolved to be moral. By understanding more about our moral roots, his hope is that we can learn to be civil and open-minded.
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