TED-Ed

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2013
2013x1
How photography connects us - David Griffin
Episode overview
01, 2013
The photo director for National Geographic David Griffin knows the power of photography to connect us to our world. In a Talk filled with glorious images, he discusses how we all use photos to tell our stories. Talk by David Griffin.
2013x627
How photography connects us - David Griffin
Episode overview
01, 2013
This episode has no summary.
2013x2
Conserving our spectacular, vulnerable coral reefs - Joshua Drew
Episode overview
03, 2013
How do coral reef conservationists balance the environmental needs of the reefs with locals who need the reefs to survive? Joshua Drew draws on the islands of Fiji and their exemplary .. show full overview
2013x628
Conserving our spectacular, vulnerable coral reefs - Joshua Drew
Episode overview
03, 2013
This episode has no summary.
2013x3
Detention or Eco Club: Choosing your future - Juan Martinez
Episode overview
04, 2013
Growing up surrounded by gangs in South Central Los Angeles, Juan Martinez wasn't exposed to the great outdoors. One day in high school, he was given the life-changing choice between .. show full overview
2013x4
On exploring the oceans - Robert Ballard
Episode overview
05, 2013
Ocean explorer Robert Ballard takes us on a mindbending trip to hidden worlds underwater, where he and other researchers are finding unexpected life, resources, and even new mountains. .. show full overview
2013x5
Tales of passion - Isabel Allende
Episode overview
06, 2013
Author and activist Isabel Allende discusses women, creativity, the definition of feminism, and, of course, passion in this Talk.
2013x6
Jessica Green and Karen Guillemin: You are your microbes
Episode overview
07, 2013
From the microbes in our stomachs to the ones on our teeth we are homes to millions of unique and diverse communities which help our bodies function. Jessica Green and Karen Guillemin .. show full overview
2013x629
You are your microbes - Jessica Green and Karen Guillemin
Episode overview
07, 2013
This episode has no summary.
2013x7
Colm Kelleher: How we see color
Episode overview
08, 2013
There are three types of color receptors in your eye: red, green and blue. But how do we see the amazing kaleidoscope of other colors that make up our world? Colm Kelleher explains how .. show full overview
2013x630
How we see color - Colm Kelleher
Episode overview
08, 2013
This episode has no summary.
2013x8
Activation energy: Kickstarting chemical reactions - Vance Kite
Episode overview
09, 2013
Chemical reactions are constantly happening in your body -- even at this very moment. But what catalyzes these important reactions? Vance Kite explains how enzymes assist the process, .. show full overview
2013x9
Phenology and nature's shifting rhythms - Regina Brinker
Episode overview
10, 2013
With rapidly rising global temperatures come seasonal changes. As spring comes earlier for some plant species, there are ripple effects throughout the food web. Regina Brinker explains .. show full overview
2013x10
Underwater astonishments - David Gallo
Episode overview
11, 2013
David Gallo shows jaw-dropping footage of amazing sea creatures, including a color-shifting cuttlefish, a perfectly camouflaged octopus, and a Times Square's worth of neon light displays from fish who live in the blackest depths of the ocean.
2013x11
A plant's-eye view - Michael Pollan
Episode overview
12, 2013
What if human consciousness isn't the end-all be-all of Darwinism? What if we are all just pawns in corn's clever strategy game to rule the Earth? Author Michael Pollan asks us to see the world from a plant's-eye view.
2013x12
How to find the true face of Leonardo - Siegfried Woldhek
Episode overview
13, 2013
Mona Lisa is one of the best-known faces on the planet. But would you recognize an image of Leonardo da Vinci? Illustrator Siegfried Woldhek uses some thoughtful image-analysis techniques to find what he believes is the true face of Leonardo.
2013x13
What Aristotle and Joshua Bell can teach us about persuasion - Conor Neill
Episode overview
14, 2013
Imagine you are one of the world’s greatest violin players, and you decide to conduct an experiment: play inside a subway station and see if anyone stops to appreciate when you are .. show full overview
2013x14
Questioning the universe - Stephen Hawking
Episode overview
14, 2013
Professor Stephen Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.
2013x15
How to defeat a dragon with math - Garth Sundem
Episode overview
15, 2013
Having trouble remembering the order of operations? Let's raise the stakes a little bit. What if the future of your (theoretical) kingdom depended on it? Garth Sundem creates a world in .. show full overview
2013x16
Can we domesticate germs? - Paul Ewald
Episode overview
15, 2013
Evolutionary biologist Paul Ewald drags us into the sewer to discuss germs. Why are some more harmful than others? How could we make the harmful ones benign? Searching for answers, he examines a disgusting, fascinating case: diarrhea.
2013x17
Write your story, change history - Brad Meltzer
Episode overview
16, 2013
The idea that youth is wasted on the young? Wrong. Martin Luther King, Jr. and the creators of Superman were all under 30 when they wrote themselves into history. In this inspirational .. show full overview
2013x18
The "bottom billion" - Paul Collier
Episode overview
16, 2013
Around the world right now, one billion people are trapped in poor or failing countries. How can we help them? Economist Paul Collier lays out a bold, compassionate plan for closing the gap between rich and poor.
2013x19
Colm Kelleher: Is light a particle or a wave?
Episode overview
17, 2013
Can we accurately describe light as exclusively a wave or just a particle? Are the two mutually exclusive? In this third part of his series on light and color Colm Kelleher discusses .. show full overview
2013x20
Your genes are not your fate - Dean Ornish
Episode overview
17, 2013
Dean Ornish shares new research that shows how adopting healthy lifestyle habits can affect a person at a genetic level. For instance, he says, when you live healthier, eat better, exercise, and love more, your brain cells actually increase.
2013x631
Is light a particle or a wave? - Colm Kelleher
Episode overview
17, 2013
This episode has no summary.
2013x21
Losing everything - David Hoffman
Episode overview
19, 2013
Nine days before TED2008, filmmaker David Hoffman lost almost everything he owned in a fire that destroyed his home, office and 30 years of passionate collecting. He looks back at a life that's been wiped clean in an instant -- and looks forward.
2013x22
Digging for humanity's origins - Louise Leakey
Episode overview
20, 2013
Louise Leakey asks, "Who are we?" The question takes her to the Rift Valley in Eastern Africa, where she digs for the evolutionary origins of humankind -- and suggests a stunning new vision of our competing ancestors.
2013x23
Learning from past presidents - Doris Kearns Goodwin
Episode overview
21, 2013
Historian Doris Kearns Goodwin talks about what we can learn from American presidents, including Abraham Lincoln and Lyndon Johnson. Then she shares a moving memory of her own father and of their shared love of baseball.
2013x24
Rapid prototyping Google Glass - Tom Chi
Episode overview
22, 2013
Rapid prototyping is a method used to accelerate the innovation process. At TEDYouth 2012, Tom Chi explains how this method was used to create one of Google's newest inventions, Google Glass.
2013x25
Network theory - Marc Samet
Episode overview
23, 2013
From social media to massive financial institutions, we live within a web of networks. But how do they work? How does Googling a single word provide millions of results? Marc Samet .. show full overview
2013x26
Slowing down time (in writing & film) - Aaron Sitze
Episode overview
24, 2013
Certain moments in our lives seem to last forever. Whether it is a first kiss or a car crash, time can seem to stretch...or even stop. Aaron Sitze explains how this sensation is conveyed .. show full overview
2013x27
Surviving a nuclear attack - Irwin Redlener
Episode overview
25, 2013
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2013x28
Do the green thing - Andy Hobsbawm
Episode overview
26, 2013
Andy Hobsbawm shares a fresh ad campaign about going green -- and some of the fringe benefits.
2013x29
The coming neurological epidemic - Gregory Petsko
Episode overview
27, 2013
Biochemist Gregory Petsko makes a convincing argument that, in the next 50 years, we'll see an epidemic of neurological diseases, such as Alzheimer's, as the world population ages. His solution: more research into the brain and its functions.
2013x30
Parasite tales: The jewel wasp's zombie slave - Carl Zimmer
Episode overview
28, 2013
This is stranger than science fiction. The jewel wasp and the cockroach have a disgusting and fascinating parasitic relationship. The jewel wasp stuns the cockroach, and months later, a .. show full overview
2013x31
In on a secret? That's dramatic irony - Christopher Warner
Episode overview
29, 2013
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2013x32
Life of an astronaut - Jerry Carr
Episode overview
30, 2013
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2013x33
What if we could look inside human brains? - Moran Cerf
Episode overview
31, 2013
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2013x34
Earth's mass extinction - Peter Ward
Episode overview
01, 2013
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2013x35
Our loss of wisdom - Barry Schwartz
Episode overview
02, 2013
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2013x36
Our buggy moral code - Dan Ariely
Episode overview
03, 2013
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2013x37
How polarity makes water behave strangely - Christina Kleinberg
Episode overview
04, 2013
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2013x38
How did trains standardize time in the United States? - William Heuisler
Episode overview
05, 2013
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2013x39
Make robots smarter - Ayanna Howard
Episode overview
06, 2013
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2013x40
The historical audacity of the Louisiana Purchase - Judy Walton
Episode overview
07, 2013
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2013x41
Four principles for the open world - Don Tapscott
Episode overview
08, 2013
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2013x42
How bacteria "talk" - Bonnie Bassler
Episode overview
09, 2013
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2013x43
The world needs all kinds of minds - Temple Grandin
Episode overview
10, 2013
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2013x44
How Curiosity got us to Mars - Bobak Ferdowsi
Episode overview
11, 2013
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2013x45
Where we get our fresh water - Christiana Z. Peppard
Episode overview
12, 2013
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2013x46
Christian Rudder: Inside OKCupid: The math of online dating
Episode overview
13, 2013
When two people join a dating website they are matched according to shared interests and how they answer a number of personal questions. But how do sites calculate the likelihood of a .. show full overview
2013x633
Inside OKCupid: The math of online dating - Christian Rudder
Episode overview
13, 2013
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2013x47
Fresh water scarcity: An introduction to the problem - Christiana Z. Peppard
Episode overview
14, 2013
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2013x48
How I fell in love with a fish - Dan Barber
Episode overview
15, 2013
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2013x49
Science can answer moral questions - Sam Harris
Episode overview
16, 2013
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2013x50
Let's simplify legal jargon - Alan Siegel
Episode overview
18, 2013
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2013x51
Inventing the American presidency - Kenneth C. Davis
Episode overview
18, 2013
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2013x52
Distorting Madonna in Medieval art - James Earle
Episode overview
19, 2013
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2013x53
Gridiron physics: Scalars and vectors - Michelle Buchanan
Episode overview
20, 2013
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2013x54
Visualizing the world's Twitter data - Jer Thorp
Episode overview
21, 2013
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2013x55
What adults can learn from kids - Adora Svitak
Episode overview
22, 2013
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2013x56
Toward a science of simplicity - George Whitesides
Episode overview
22, 2013
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2013x57
Why I'm a weekday vegetarian - Graham Hill
Episode overview
22, 2013
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2013x58
Mosquitos, malaria and education - Bill Gates
Episode overview
22, 2013
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2013x59
Toy tiles that talk to each other - David Merrill
Episode overview
22, 2013
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2013x60
The El Sistema music revolution - Jose Antonio Abreu
Episode overview
22, 2013
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2013x61
How Benjamin Button got his face - Ed Ulbrich
Episode overview
22, 2013
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2013x62
How to restore a rainforest - Willie Smits
Episode overview
22, 2013
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2013x63
High-altitude wind energy from kites! - Saul Griffith
Episode overview
22, 2013
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2013x64
The danger of science denial - Michael Specter
Episode overview
23, 2013
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2013x65
How art gives shape to cultural change - Thelma Golden
Episode overview
24, 2013
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2013x66
Why are blue whales so enormous? - Asha de Vos
Episode overview
25, 2013
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2013x67
Insights into cell membranes via dish detergent - Ethan Perlstein
Episode overview
26, 2013
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2013x68
Beach Bodies (in spoken word) - David Fasanya and Gabriel Barralaga
Episode overview
27, 2013
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2013x69
Illuminating photography: From camera obscura to camera phone - Eva Timothy
Episode overview
28, 2013
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2013x70
A new ecosystem for electric cars - Shai Agassi
Episode overview
01, 2013
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2013x71
The business logic of sustainability - Ray Anderson
Episode overview
01, 2013
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2013x72
Could a Saturn moon harbor life? - Carolyn Porco
Episode overview
01, 2013
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2013x73
Supercharged motorcycle design - Yves Behar
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01, 2013
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2013x74
The world's English mania - Jay Walker
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01, 2013
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2013x75
Planning for the end of oil - Richard Sears
Episode overview
01, 2013
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2013x76
Does racism affect how you vote? - Nate Silver
Episode overview
02, 2013
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2013x77
The tribes we lead - Seth Godin
Episode overview
03, 2013
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2013x78
Bill Shillito: How to organize, add and multiply matrices
Episode overview
04, 2013
When you're working on a problem with lots of numbers, as in economics, cryptography or 3D graphics, it helps to organize those numbers into a grid, or matrix. Bill Shillito shows us how .. show full overview
2013x634
How to organize, add and multiply matrices - Bill Shillito
Episode overview
04, 2013
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2013x79
The simple story of photosynthesis and food - Amanda Ooten
Episode overview
05, 2013
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2013x80
Visualizing hidden worlds inside your body - Dee Breger
Episode overview
06, 2013
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2013x81
The importance of focus - Richard St. John
Episode overview
06, 2013
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2013x82
Peggy Andover: The difference between classical and operant conditioning
Episode overview
07, 2013
Why is it that humans react to stimuli with certain behaviors? Can behaviors change in response to consequences? Peggy Andover explains how the brain can associate unrelated stimuli and .. show full overview
2013x635
The difference between classical and operant conditioning - Peggy Andover
Episode overview
07, 2013
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2013x83
HIV and flu -- the vaccine strategy - Seth Berkley
Episode overview
08, 2013
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2013x84
How architecture helped music evolve - David Byrne
Episode overview
08, 2013
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2013x85
The pattern behind self-deception - Michael Shermer
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08, 2013
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2013x86
How YouTube thinks about copyright - Margaret Gould Stewart
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08, 2013
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2013x87
A 3D atlas of the universe - Carter Emmart
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08, 2013
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2013x88
Fractals and the art of roughness - Benoit Mandelbrot
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08, 2013
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2013x89
How state budgets are breaking US schools - Bill Gates
Episode overview
09, 2013
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2013x90
Working backward to solve problems - Maurice Ashley
Episode overview
11, 2013
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2013x91
How Mendel's pea plants helped us understand genetics - Hortensia Jiménez Díaz
Episode overview
12, 2013
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2013x92
What is verbal irony? - Christopher Warner
Episode overview
13, 2013
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2013x93
Cameron Paterson: The infamous and ingenious Ho Chi Minh Trail
Episode overview
14, 2013
The Ho Chi Minh Trail not only connected North and South Vietnam during a brutal war but also aided Vietnamese soldiers. The trail shaved nearly five months of time off of the trip and .. show full overview
2013x636
The infamous and ingenious Ho Chi Minh Trail - Cameron Paterson
Episode overview
14, 2013
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2013x94
Printing a human kidney - Anthony Atala
Episode overview
15, 2013
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2013x95
The sound the universe makes - Janna Levin
Episode overview
15, 2013
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2013x96
The greatest TED Talk ever sold - Morgan Spurlock
Episode overview
15, 2013
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2013x97
The history of our world in 18 minutes - David Christian
Episode overview
15, 2013
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2013x98
On being wrong - Kathryn Schulz
Episode overview
15, 2013
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2013x99
3 things I learned while my plane crashed - Ric Elias
Episode overview
15, 2013
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2013x100
Let's use video to reinvent education - Salman Khan
Episode overview
16, 2013
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2013x101
Social animal - David Brooks
Episode overview
17, 2013
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2013x102
The story behind the Boston Tea Party - Ben Labaree
Episode overview
18, 2013
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2013x637
Dear Subscribers
Episode overview
19, 2013
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2013x103
Mark Changizi: Why do we see illusions?
Episode overview
20, 2013
Why can't our extremely complex eyes render simple optical illusions? Surprise, surprise -- it comes back to the brain, which has only evolved to encounter natural stimuli. At TEDYouth .. show full overview
2013x638
Why do we see illusions? - Mark Changizi
Episode overview
20, 2013
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2013x104
How farming planted seeds for the Internet - Patricia Russac
Episode overview
21, 2013
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2013x105
Your elusive creative genius - Elizabeth Gilbert
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22, 2013
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2013x106
Beware online "filter bubbles" - Eli Pariser
Episode overview
22, 2013
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2013x107
The hidden beauty of pollination - Louie Schwartzberg
Episode overview
22, 2013
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2013x108
Silk, the ancient material of the future - Fiorenzo Omenetto
Episode overview
22, 2013
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2013x109
The hidden power of smiling - Ron Gutman
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22, 2013
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2013x110
Building a museum of museums on the web - Amit Sood
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22, 2013
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2013x111
The lost art of democratic debate - Michael Sandel
Episode overview
23, 2013
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2013x112
Are we ready for neo-evolution? - Harvey Fineberg
Episode overview
24, 2013
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2013x113
Haptography: Digitizing our sense of touch - Katherine Kuchenbecker
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25, 2013
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2013x114
Could the sun be good for your heart? - Richard Weller
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25, 2013
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2013x115
Jeff Dekofsky: Euclid's puzzling parallel postulate
Episode overview
26, 2013
Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? .. show full overview
2013x639
Euclid's puzzling parallel postulate - Jeff Dekofsky
Episode overview
26, 2013
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2013x116
Become a slam poet in five steps - Gayle Danley
Episode overview
27, 2013
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2013x117
Your brain on video games - Daphne Bavelier
Episode overview
27, 2013
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2013x118
Want to be happier? Stay in the moment - Matt Killingsworth
Episode overview
29, 2013
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2013x119
The weird, wonderful world of bioluminescence - Edith Widder
Episode overview
29, 2013
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2013x120
How we'll stop polio for good - Bruce Aylward
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29, 2013
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2013x121
Making a car for blind drivers - Dennis Hong
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29, 2013
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2013x122
Making sense of a visible quantum object - Aaron O'Connell
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29, 2013
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2013x123
Building a dinosaur from a chicken - Jack Horner
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29, 2013
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2013x124
Building the Seed Cathedral - Thomas Heatherwick
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30, 2013
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2013x125
The mystery of chronic pain - Elliot Krane
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31, 2013
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2013x126
Early forensics and crime-solving chemists - Deborah Blum
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01, 2013
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2013x127
Mysteries of vernacular: Clue - Jessica Oreck
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01, 2013
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2013x128
Kids need structure - Colin Powell
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01, 2013
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2013x129
Who is Alexander von Humboldt? - George Mehler
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02, 2013
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2013x130
Mysteries of vernacular: Pants - Jessica Oreck
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02, 2013
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2013x640
TED-Ed YouTube Channel Teaser
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02, 2013
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2013x131
Networking for the networking averse - Lisa Green Chau
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03, 2013
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2013x132
Mysteries of vernacular: Assassin - Jessica Oreck
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03, 2013
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2013x133
The future of lying - Jeff Hancock
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03, 2013
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2013x134
A call to invention: DIY speaker edition - William Gurstelle
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04, 2013
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2013x135
Mysteries of vernacular: Hearse - Jessica Oreck
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04, 2013
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2013x136
Mysteries of vernacular: Noise - Jessica Oreck
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05, 2013
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2013x137
Why it pays to work hard - Richard St. John
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05, 2013
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2013x138
The power of passion - Richard St. John
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05, 2013
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2013x139
8 traits of successful people - Richard St. John
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05, 2013
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2013x140
Doodlers, unite! - Sunni Brown
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05, 2013
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2013x141
Unintended consequences - Edward Tenner
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05, 2013
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2013x142
Try something new for 30 days - Matt Cutts
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05, 2013
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2013x143
A Rosetta Stone for the Indus script - Rajesh Rao
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05, 2013
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2013x144
Different ways of knowing - Daniel Tammet
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05, 2013
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2013x145
A light switch for neurons - Ed Boyden
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06, 2013
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2013x146
Healthier men, one moustache at a time - Adam Garone
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07, 2013
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2013x147
Self-assembly: The power of organizing the unorganized - Skylar Tibbits
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08, 2013
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2013x148
The strange politics of disgust - David Pizarro
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08, 2013
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2013x149
Tom Whyntie: The beginning of the universe for beginners
Episode overview
09, 2013
How did the universe begin -- and how is it expanding? CERN physicist Tom Whyntie shows how cosmologists and particle physicists explore these questions by replicating the heat energy .. show full overview
2013x641
The beginning of the universe, for beginners - Tom Whyntie
Episode overview
09, 2013
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2013x150
Bill Shribman: What cameras see that our eyes don't
Episode overview
10, 2013
Our eyes are practically magical, but they cannot see everything. For instance, the naked eye cannot see the moment where all four of a horse's legs are in the air or the gradual life .. show full overview
2013x151
What's a snollygoster? A short lesson in political speak - Mark Forsyth
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10, 2013
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2013x642
What cameras see that our eyes don't - Bill Shribman
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10, 2013
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2013x152
How is power divided in the United States government? - Belinda Stutzman
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12, 2013
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2013x153
Less stuff, more happiness - Graham Hill
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12, 2013
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2013x154
The quest to understand consciousness - Antonio Damasio
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12, 2013
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2013x155
The Earth is full - Paul Gilding
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12, 2013
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2013x156
We need to talk about an injustice - Bryan Stevenson
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12, 2013
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2013x157
Why I must speak out about climate change - James Hansen
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12, 2013
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2013x158
A future beyond traffic gridlock - Bill Ford
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13, 2013
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2013x159
Every city needs healthy honey bees - Noah Wilson-Rich
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14, 2013
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2013x160
Colm Kelleher: What is Zeno's Dichotomy Paradox?
Episode overview
15, 2013
Can you ever travel from one place to another? Ancient Greek philosopher Zeno of Elea gave a convincing argument that all motion is impossible - but where's the flaw in his logic? Colm .. show full overview
2013x161
How to solve traffic jams - Jonas Eliasson
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15, 2013
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2013x643
What is Zeno's Dichotomy Paradox? - Colm Kelleher
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15, 2013
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2013x162
The magic of Vedic math - Gaurav Tekriwal
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16, 2013
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2013x163
How to live to be 100+ - Dan Buettner
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17, 2013
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2013x164
How does an atom-smashing particle accelerator work? - Don Lincoln
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18, 2013
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2013x165
Mysteries of vernacular: Miniature - Jessica Oreck
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19, 2013
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2013x166
Connected, but alone? - Sherry Turkle
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19, 2013
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2013x167
How can technology transform the human body? - Lucy McRae
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19, 2013
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2013x168
How do we heal medicine? - Atul Gawande
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19, 2013
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2013x169
Is our universe the only universe? - Brian Greene
Episode overview
19, 2013
This episode has no summary.
2013x170
A giant bubble for debate - Liz Diller
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19, 2013
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2013x171
From mach-20 glider to humming bird drone - Regina Dugan
Episode overview
20, 2013
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2013x172
Dare to educate Afghan girls - Shabana Basij-Rasikh
Episode overview
21, 2013
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2013x173
String theory and the hidden structures of the universe - Clifford Johnson
Episode overview
22, 2013
This episode has no summary.
2013x174
Hey science teachers -- make it fun - Tyler DeWitt
Episode overview
22, 2013
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2013x175
Making sense of how life fits together - Bobbi Seleski
Episode overview
23, 2013
This episode has no summary.
2013x644
Exciting news from TED-Ed...
Episode overview
23, 2013
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2013x176
How much does a video weigh? - Michael Stevens of Vsauce
Episode overview
24, 2013
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2013x177
Let's teach kids to code - Mitch Resnick
Episode overview
24, 2013
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2013x178
The search for other Earth-like planets - Olivier Guyon
Episode overview
25, 2013
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2013x179
Pavlovian reactions aren't just for dogs - Benjamin N. Witts
Episode overview
26, 2013
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2013x180
Tracking the trackers - Gary Kovacs
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26, 2013
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2013x181
Music and emotion through time - Michael Tilson Thomas
Episode overview
26, 2013
This episode has no summary.
2013x182
Feats of memory anyone can do - Joshua Foer
Episode overview
26, 2013
This episode has no summary.
2013x183
404, the story of a page not found - Renny Gleeson
Episode overview
26, 2013
This episode has no summary.
2013x184
The optimism bias - Tali Sharot
Episode overview
26, 2013
This episode has no summary.
2013x185
A 40-year plan for energy - Amory Lovins
Episode overview
27, 2013
This episode has no summary.
2013x186
Pool medical patents, save lives - Ellen 't Hoen
Episode overview
28, 2013
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2013x187
A host of heroes - April Gudenrath
Episode overview
29, 2013
This episode has no summary.
2013x188
The dance of the dung beetle - Marcus Byrne
Episode overview
29, 2013
This episode has no summary.
2013x189
How do you know whom to trust? - Ram Neta
Episode overview
30, 2013
This episode has no summary.
2013x192
Carl Zimmer: How did feathers evolve?
Episode overview
02, 2013
To look at the evolution of modern bird feathers, we must start a long time ago, with the dinosaurs from whence they came. We see early incarnations of feathers on dinosaur fossils, and .. show full overview
2013x193
James Gillies: Dark matter: The matter we can't see
Episode overview
03, 2013
The Greeks had a simple and elegant formula for the universe: just earth fire wind and water. Turns out there's more to it than that -- a lot more. Visible matter (and that goes beyond .. show full overview
2013x196
Rolf Landua: What happened to antimatter?
Episode overview
03, 2013
Particles come in pairs which is why there should be an equal amount of matter and antimatter in the universe. Yet scientists have not been able to detect any in the visible universe. .. show full overview
2013x204
Strange answers to the psychopath test - Jon Ronson
Episode overview
07, 2013
Is there a definitive line that divides crazy from sane? With a hair-raising delivery, Jon Ronson, author of The Psychopath Test, illuminates the gray areas between the two. (With .. show full overview
2013x205
How a fly flies - Michael Dickinson
Episode overview
08, 2013
An insect's ability to fly is perhaps one of the greatest feats of evolution. Michael Dickinson looks at how a fruit fly takes flight with such delicate wings, thanks to a clever .. show full overview
2013x215
A girl who demanded school - Kakenya Ntaiya
Episode overview
13, 2013
Kakenya Ntaiya made a deal with her father: She would undergo the traditional Maasai rite of passage of female circumcision if he would let her go to high school. Ntaiya tells the .. show full overview
2013x216
Ray Laurence: Four sisters in Ancient Rome
Episode overview
14, 2013
How did the young, wealthy women of Ancient Rome spend their days? Meet Domitia and her sister Domitia and her sister Domitia and her sister Domitia. Ray Laurence sketches the domestic .. show full overview
2013x217
Leslie Kenna: The brilliance of bioluminescence
Episode overview
15, 2013
Some lucky animals are naturally endowed with bioluminescence, or the ability to create light. The firefly, the anglerfish, and a few more surprising creatures use this ability in many .. show full overview
2013x229
David J. Malan: What's an algorithm?
Episode overview
20, 2013
An algorithm is a method of solving problems both big and small. Though computers run algorithms constantly, humans can also solve problems with algorithms. David J. Malan explains how .. show full overview
2013x232
George Zaidan: What is fat?
Episode overview
22, 2013
As the narrative goes, fat is bad. Well, it's actually more nuanced than that. The type of fat you eat is more impactful on your health than the quantity. George Zaidan examines .. show full overview
2013x242
Looks aren't everything. Believe me, I'm a model - Cameron Russell
Episode overview
26, 2013
Cameron Russell admits she won "a genetic lottery": she's tall, pretty and an underwear model. But don't judge her by her looks. In this fearless talk, she takes a wry look at the .. show full overview
2013x243
Ron Shaneyfelt: Is space trying to kill us?
Episode overview
28, 2013
How likely is it that a massive asteroid will do major damage to Earth and its inhabitants? What about the sun -- is it dying out anytime soon? And the supermassive black hole at the .. show full overview
2013x647
Is space trying to kill us? - Ron Shaneyfelt
Episode overview
28, 2013
How likely is it that a massive asteroid will do major damage to Earth and its inhabitants? What about the sun -- is it dying out anytime soon? And the supermassive black hole at the .. show full overview
2013x246
Brian Jones: What on Earth is spin?
Episode overview
29, 2013
Why does the Earth spin? Does a basketball falling from a spinning merry-go-round fall in a curve, as it appears to, or in a straight line? How can speed be manipulated while spinning? .. show full overview
2013x248
K. Erica Dodge: Gyotaku: The ancient Japanese art of printing fish
Episode overview
30, 2013
How did fishermen record their trophy catches before the invention of photography? In 19th century Japan, fishing boats were equipped with rice paper, sumi-e ink, and brushes in order to .. show full overview
2013x273
Richard E. Cytowic: What color is Tuesday? Exploring synesthesia
Episode overview
10, 2013
How does one experience synesthesia -- the neurological trait that combines two or more senses? Synesthetes may taste the number 9 or attach a color to each day of the week. Richard E. .. show full overview
2013x312
How big is the ocean? - Scott Gass
Episode overview
24, 2013
While the Earth's oceans are known as five separate entities, there is really only one ocean. So, how big is it? As of 2013, it takes up 71% of the Earth, houses 99% of the biosphere, .. show full overview
2013x313
Marjee Chmiel and Trevor Owens: Is there a center of the universe?
Episode overview
25, 2013
It's been a long road to the discovery that Earth is not the center of the Solar System, the Milky Way, or the universe; great thinkers from Aristotle to Bruno have grappled with it for .. show full overview
2013x323
Joy Lin: If superpowers were real: Invisibility
Episode overview
27, 2013
What if invisibility wasn't just the stuff of epic comic book stories? Is it scientifically possible to be invisible? In this series Joy Lin tackles six superpowers and reveals just how .. show full overview
2013x324
Joy Lin: If superpowers were real: Immortality
Episode overview
27, 2013
What if immortality wasn't just the stuff of epic comic book stories? Is it scientifically possible to be immortal? In this series Joy Lin tackles six superpowers and reveals just how .. show full overview
2013x325
Joy Lin: If superpowers were real: Body mass
Episode overview
27, 2013
What if manipulating body mass wasn't just the stuff of epic comic book stories? Is it scientifically possible to manipulate your body mass? In this series Joy Lin tackles six .. show full overview
2013x326
Joy Lin: If superpowers were real: Flight
Episode overview
28, 2013
What if human flight wasn't just the stuff of epic comic book stories? Is it scientifically possible to fly? In this series Joy Lin tackles six superpowers and reveals just how .. show full overview
2013x327
Joy Lin: If superpowers were real: Super speed
Episode overview
28, 2013
What if super speed wasn't just the stuff of epic comic book stories? Is it scientifically possible to be super speed? In this series Joy Lin tackles six superpowers and reveals just how .. show full overview
2013x328
Joy Lin: If superpowers were real: Super strength
Episode overview
28, 2013
What if super strength wasn't just the stuff of epic comic book stories? Is it scientifically possible to be super strong? In this series, Joy Lin tackles six superpowers and reveals .. show full overview
2013x352
Dr. Matt J. Carlson: Free falling in outer space
Episode overview
06, 2013
If you were to orbit the Earth, you'd experience the feeling of free fall, not unlike what your stomach feels before a big dive on a roller coaster. With a little help from Sir Isaac .. show full overview
2013x354
4 lessons from robots about being human - Ken Goldberg
Episode overview
07, 2013
The more that robots ingrain themselves into our everyday lives, the more we're forced to examine ourselves as people. At TEDxBerkeley, Ken Goldberg shares four very human lessons that .. show full overview
2013x355
Alex Gendler: Myths and misconceptions about evolution
Episode overview
08, 2013
How does evolution really work? Actually, not how some of our common evolutionary metaphors would have us believe. For instance, it's species, not individual organisms, that adapt to .. show full overview
2013x357
Reynaldo Lopes: The infinite life of pi
Episode overview
10, 2013
The ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number of digits, so .. show full overview
2013x372
Animation basics: The optical illusion of motion - TED-Ed
Episode overview
13, 2013
How do animators make still images come to life? Are the images really moving, or are they merely an optical illusion? TED-Ed takes you behind the scenes to reveal the secret of motion in movies. Lesson and animation by TED-Ed.
2013x373
What we learned from 5 million books - Erez Lieberman Aiden and Jean-Baptiste Michel
Episode overview
14, 2013
Have you played with Google Labs' Ngram Viewer? It's an addicting tool that lets you search for words and ideas in a database of 5 million books from across centuries. Erez Lieberman .. show full overview
2013x383
Tim Hansen: How to read music
Episode overview
18, 2013
Like an actor's script, a sheet of music instructs a musician on what to play (the pitch) and when to play it (the rhythm). Sheet music may look complicated, but once you've gotten the .. show full overview
2013x389
Ultrasound surgery -- healing without cuts - Yoav Medan
Episode overview
19, 2013
Imagine having a surgery with no knives involved. At TEDMED, Yoav Medan shares a technique that uses MRI to find trouble spots and focused ultrasound to treat such issues as brain .. show full overview
2013x390
John McWhorter: A brief history of plural word...s
Episode overview
22, 2013
All it takes is a simple S to make most English words plural. But it hasn't always worked that way (and there are, of course, exceptions). John McWhorter looks back to the good old days .. show full overview
2013x648
A brief history of plural word...s - John McWhorter
Episode overview
22, 2013
All it takes is a simple S to make most English words plural. But it hasn't always worked that way (and there are, of course, exceptions). John McWhorter looks back to the good old days .. show full overview
2013x394
Ami Angelowicz: The terrors of sleep paralysis
Episode overview
25, 2013
Imagine you're fast asleep and then suddenly awake. You want to move but can't, as if someone is sitting on your chest. And you can't even scream! This is sleep paralysis, a creepy but .. show full overview
2013x467
Peter Mende-Siedlecki: Should you trust your first impression?
Episode overview
15, 2013
You can't help it; sometimes, you just get a bad feeling about someone that's hard to shake. So, what's happening in your brain when you make that critical (and often lasting) first .. show full overview
2013x544
The Higgs Field, explained - Don Lincoln
Episode overview
27, 2013
One of the most significant scientific discoveries of the early 21st century is surely the Higgs boson, but the boson and the Higgs Field that allows for that magic particle are .. show full overview
2013x545
Michael Molina: What is déjà vu? What is déjà vu?
Episode overview
28, 2013
You might have felt it -- the feeling that you've experienced something before, but, in reality, the experience is brand new. There are over 40 theories that attempt to explain the .. show full overview
2013x565
Andrew Vanden Heuvel: The moon illusion
Episode overview
03, 2013
Have you noticed how the full moon looks bigger on the horizon than high overhead? Actually, the two images are exactly the same size -- so why do we perceive them differently? .. show full overview
2013x570
Brad Troeger: What is love?
Episode overview
09, 2013
Is love a signal winding through your neural pathways? A cliche? A cult? Love is easy to compare but difficult to define, maybe because we're fundamentally biased; we try to define love .. show full overview
2013x577
Lucianne Walkowicz: Light waves, visible and invisible
Episode overview
19, 2013
Each kind of light has a unique wavelength, but human eyes can only perceive a tiny slice of the full spectrum -- the very narrow range from red to violet. Microwaves, radio waves, .. show full overview
2013x578
Aatish Bhatia: The physics of human sperm vs. the physics of the sperm whale
Episode overview
23, 2013
Traveling is extremely arduous for microscopic sperm -- think of a human trying to swim in a pool made of...other humans. We can compare the journey of a sperm to that of a sperm whale .. show full overview
2013x580
John McWhorter: Are Elvish, Klingon, Dothraki and Na'vi real languages?
Episode overview
26, 2013
What do Game of Thrones' Dothraki, Avatar's Na'vi, Star Trek's Klingon and LOTR's Elvish have in common? They are all fantasy constructed languages, or conlangs. Conlangs have all the .. show full overview
2013x581
Amanda Mattes: Kabuki: The people's dramatic art
Episode overview
30, 2013
The Japanese dance and theater art of kabuki, derived from the word kabuku, meaning "out of the ordinary," can be traced back to the streets of seventeenth-century Kyoto. Kabuki became a .. show full overview
2013x582
Addison Anderson: The most groundbreaking scientist you've never heard of
Episode overview
01, 2013
Seventeenth-century Danish geologist Nicolas Steno earned his chops at a young age, studying cadavers and drawing anatomic connections between species. Steno made outsized contributions .. show full overview
2013x588
George Zaidan and Charles Morton: The uncertain location of electrons
Episode overview
14, 2013
The tiny atoms that make up our world are made up of even tinier protons, neutrons and electrons. Though the number of protons determines an atom's identity, it's the electrons -- .. show full overview
2013x600
Claudia Aguirre: Why is yawning contagious?
Episode overview
07, 2013
*Yaaawwwwwn* Did just reading the word make you feel like yawning yourself? Known as contagious yawning, the reasons behind this phenomenon have been attributed to both the physiological .. show full overview
2013x605
Stephanie Warren: The chemistry of cookies
Episode overview
19, 2013
You stick cookie dough into an oven, and magically, you get a plate of warm, gooey cookies. Except it's not magic; it's science. Stephanie Warren explains via basic chemistry principles .. show full overview
2013x606
Mysteries of vernacular: Lady - Jessica Oreck and Rachael Teel
Episode overview
21, 2013
Why do we call women ladies? Well, etymologically-speaking, the word comes from the Old English words for hlaf (bread) and daege (maid), which, combined, mean the female head of the .. show full overview
2013x607
Mysteries of vernacular: Yankee - Jessica Oreck and Rachael Teel
Episode overview
26, 2013
Is it a doodle dandy? A baseball team? The origins of the word yankee are unclear, though its usage in America as a pejorative is well-documented. Jessica Oreck and Rachael Teel track .. show full overview
2013x608
Rose Eveleth: The loathsome lethal mosquito
Episode overview
02, 2013
Everyone hates mosquitos. Besides the annoying buzzing and biting, mosquito-borne diseases like malaria kill over a million people each year (plus horses, dogs and cats). And over the .. show full overview
2013x626
Mysteries of vernacular: Odd - Jessica Oreck and Rachael Teel
Episode overview
05, 2013
This episode has no summary.
2013x622
Renée Hlozek: The death of the universe
Episode overview
12, 2013
The shape, contents and future of the universe are all intricately related. We know that it's mostly flat; we know that it's made up of baryonic matter (like stars and planets), but .. show full overview
2013x625
Rose Eveleth: How do we smell?
Episode overview
19, 2013
An adult human can distinguish up to 10,000 odors. You use your nose to figure out what to eat, what to buy and even when it's time to take a shower. But how do the molecules in the air .. show full overview

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