SciShow

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2015
2015x1
4 Weird Lab Animals
Episode overview
Why do scientists try to learn about /people/ by studying creatures that none of us could ever be mistaken for? Learn about model organisms, and why they’re so helpful for us.
2015x2
Why are we Ticklish?
Episode overview
What’s up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers!
2015x3
The Disappearing Monarch and the Oldest Mammal on Earth
Episode overview
SciShow News starts the new year off with unusual animal news, including a crisis for the iconic monarch butterfly, and new research into what makes bowhead whales the longest-living mammals on Earth.
2015x4
Oklo, the Two Billion Year Old Nuclear Reactor
Episode overview
SciShow takes you to a uranium deposit in Africa where, eons ago, a unique set of conditions came together to form the world’s only known natural nuclear reactor. Check it out! No radiation suit required!
2015x5
When You Burn Fat, Where Does it Go?
Episode overview
When you burn fat, where does it go? Many people, even some doctors, think it’s just “burned up.” But that’s not possible! Find out where your fat really goes!
2015x6
Dual-Sex Butterfly and the Risks of ... Oxygen
Episode overview
This episode has no summary.
2015x7
SciShow Talk Show: The Mice of Riddle Place & Bindi the Bearded Dragon
Episode overview
This episode has no summary.
2015x8
Who Will Survive The 6th Mass Extinction?
Episode overview
This episode has no summary.
2015x9
Why Can We See Our Breath In The Cold?
Episode overview
This episode has no summary.
2015x10
The 5 Most Important Molecules in Your Body
Episode overview
This episode has no summary.
2015x11
Ecstasy in Rivers and The World's First Geological Map
Episode overview
This episode has no summary.
2015x12
Will We Ever Run Out of Dinosaurs?
Episode overview
This episode has no summary.
2015x13
Why Do We Have Baby Teeth?
Episode overview
What’s up with baby teeth? Do other animals have them, and what are they good for -- other than squeezing money out of the tooth fairy? We have the answers!
2015x14
The Science of Sugar Addiction & The Fifth Taste
Episode overview
This episode has no summary.
2015x15
SciShow Talk Show: Animal Weapons with Doug Emlen & A Southern Three-Banded Armadillo
Episode overview
This episode has no summary.
2015x16
Why Are Eggs ... Egg-Shaped?
Episode overview
This episode has no summary.
2015x17
Music in Your DNA and A New Species of Human?
Episode overview
This episode has no summary.
2015x18
The Worst Nobel Prize Ever Awarded
Episode overview
This episode has no summary.
2015x19
Plasma, The Most Common Phase of Matter in the Universe
Episode overview
This episode has no summary.
2015x20
How Did a Magnet Just Break My Monitor?
Episode overview
This episode has no summary.
2015x21
How Measles Made a Comeback
Episode overview
This episode has no summary.
2015x22
The Leidenfrost Effect: How to Make a Liquid Levitate
Episode overview
This episode has no summary.
2015x23
Why Is My Tongue Stuck to This Flagpole?
Episode overview
This episode has no summary.
2015x24
The Science of Anti-Vaccination
Episode overview
This episode has no summary.
2015x25
Animals Getting Bigger, and How Cannabis Causes Hunger
Episode overview
This episode has no summary.
2015x26
Why Do Koalas Hug Trees?
Episode overview
This episode has no summary.
2015x27
3 Weird Things That Domestication Did to Dogs
Episode overview
This episode has no summary.
2015x28
SciShow Quiz Show with Phil Plait
Episode overview
This episode has no summary.
2015x29
The Science of That Dress
Episode overview
This episode has no summary.
2015x30
3 Strange-Looking Kinds of Clouds
Episode overview
This episode has no summary.
2015x31
Do Fish Drink Water?
Episode overview
This episode has no summary.
2015x32
A Brief History of Robotics
Episode overview
Why don’t we have robots taking care of our every need by now? A little history of the field of robotics might help you understand how hard it is to get machines to perform tasks, and how far we’ve come in just a few decades.
2015x33
How to Make a Superbug, and an Even More Super-Collider!
Episode overview
This episode has no summary.
2015x34
Why Does Toothpaste Make Everything Taste Bad?
Episode overview
This episode has no summary.
2015x35
SciShow Talk Show: The History of Gender & Kiki the Domestic Cat
Episode overview
This week on the show Dr. Lindsey Doe, host of Sexplanations, walks us through a history of cases that have altered our understanding of gender identity. Then Jessi from Animal Wonders joins the show with Kiki, a domestic cat.
2015x37
Why Are There Animals on My Face?!
Episode overview
It’s true. You have tiny mites living all around your face. But who are they? And how did they get there? QQ has the A!
2015x38
Are People Really Left-Brained or Right-Brained?
Episode overview
SciShow explains how some great, Nobel-winning research into the human brain turned into a meme of misunderstanding that lasted for decades.
2015x39
The Science Behind 'Genetically Modified Humans'
Episode overview
The media have been talking about “genetically modified humans” and “designer babies.” But what they’re really talking about is germ-line engineering: a process that could help eliminate .. show full overview
2015x40
Great Minds: Benjamin Franklin: Founding Nerd
Episode overview
Learn the truth about Benjamin Franklin, his experiments into electricity, including the real story behind the kite and the key.
2015x41
How Do My Fingerprints Form?
Episode overview
How do fingerprints form? Even though many people think it’s random, a lot of it has to do with your genes!
2015x42
The Truth About Biodegradable Plastic
Episode overview
This week, the truth about “biodegradable plastic,” and new insights into how global warming might eventually make winters colder.
2015x43
Portuguese Man o' War: An Organism Made of Organisms?
Episode overview
When is an organism not an organism? Or, when is it a bunch of different organisms living together? SciShow introduces you to the weird world of siphonophores.
2015x44
Do Plants Get Cancer?
Episode overview
Have you ever seen a tree with a big, twisted knot growing out of it? That’s just one way that plants can show signs of cancer. Quick Questions explains.
2015x45
Know Your Scientists! Archaeology or Paleontology?
Episode overview
How do you make an archaeologist really mad, really fast? Ask her if she’s found any dinosaurs. SciShow helps you Know Your Scientists by explaining the many differences between .. show full overview
2015x46
SciShow Quiz Show: With the Brain Scoop's Emily Graslie!
Episode overview
Hank goes head-to-head with the Brain Scoop’s Emily Graslie to match wits about springs, hoaxes, and human evolution!
2015x47
The Mystery of the Barreleye Fish
Episode overview
In the Pacific Ocean, there lives a fish that's . . . a little different. Hank tells you all about the Pacific barreleye fish!
2015x48
Why Is Fluoride Good for Teeth?
Episode overview
If our teeth are made mostly of calcium, why do we use fluoride to keep them healthy? Quick Questions explains why, and how we finally figured it out.
2015x49
SciShow Talk Show: Writer Jeremy Smith, Measuring Health & Freya the Pine Snake
Episode overview
In this episode Hank talks about global medical history and recorded death certificates with journalist Jeremy Smith. Special guest from Animal Wonders and SciShow Kids Jessi Knudsen Castañeda brings Freya the Northern Pine Snake.
2015x50
The Radium Girls
Episode overview
The Radium Girls were the first people who worked, for years, with one of the world’s most radioactive substances -- and suffered the consequences.
2015x51
How Do Pandas Exist?
Episode overview
Adorable, sure, but how are you alive?? Giant pandas present a conservation challenge like no other. Find out how the bears eke out an existence in the wild, and why they’re proving so hard to save.
2015x52
Why Am I Upside-Down When I Look in a Spoon?
Episode overview
We’d like to know why you’re staring at yourself in a spoon in the first place. But we can at least answer the question of why you look upside-down when you do.
2015x53
The Women Who Killed Whooping Cough
Episode overview
Whooping cough used to infect hundreds of thousands of people in the U.S. and kill thousands of children every year. Join us as we learn about the women who developed the vaccine that has since saved thousands of lives.
2015x54
Hormones and Puppy Love
Episode overview
This week, science explains the chemical love-connection we share with our dogs, and how some of the most isolated populations of people in the world are different on the inside.
2015x55
Xenotransplantation: When People Get Animal Parts
Episode overview
How can we transplant animal tissue into humans? And will we ever be able to grow customized organs? SciShow explains!
2015x56
Why Do I Have to Use a Number 2 Pencil?
Episode overview
Why do exams always tell you to use a number 2 pencil? What happens if you don’t? Quick Questions explains!
2015x57
The Psychology of The Button
Episode overview
Hundreds of thousands of people have clicked a button on reddit. Turns out that when you click can reveal a lot about your brain, and human nature.
2015x58
SciShow Talk Show: Environmental Engineer Mike Potts & Slick the Tiger Salamander
Episode overview
Welcome back to SciShow Talk Show where Hank Green talks with interesting people! In this episode Hank talks with Mike Potts, an environmental engineer at Pioneer Technical Services, Inc. with special guest Jessi Knudsen Castañeda.
2015x59
Turning Your Leftovers Into Fuel
Episode overview
Even if you don't want to eat them, your apple cores still have plenty of energy left to give. SciShow explores how cities are capturing that energy and turning it into fuel.
2015x60
Does Thinking Hard Burn More Calories?
Episode overview
Your brain uses tons of calories, just in its daily work of keeping you alive. So does thinking extra hard use even MORE calories? QQ fills you in!
2015x61
All About Allergies
Episode overview
What are allergies? How are they caused, and what can people do to prevent them? SciShow explains!
2015x62
Inside the Nepal Earthquake
Episode overview
SciShow News explains the forces at work behind the earthquake in Nepal, introduces you to a new species of dinosaur, and reveals a discovery in Antarctica.
2015x63
The Real Paleo Diet
Episode overview
The paleo diet is becoming more popular, but research suggests its claims aren’t all that scientific.
2015x64
Why Does Your Stomach Make Noises?
Episode overview
Your digestive system makes weird noises sometimes. You can’t really stop it from happening, but you can find out why it happens in the first place!
2015x65
SciShow Quiz Show: With the SciShow Space Reid Reimers!
Episode overview
Welcome to SciShow Quiz Show, where SciShow Space co-hosts Hank and Reid are back for another round!
2015x66
Evolution & The Science of Popular Music
Episode overview
This week, researchers reveal the single most important influence on music since 1960. Also, turns out that sleepwalking and sleep terrors are genetically linked.
2015x67
How Much Energy Does The Internet Use?
Episode overview
The internet uses a lot of energy! But people have come up with ways to make it more efficient.
2015x68
Why Do We Wrinkle When Wet?
Episode overview
Why do your fingers and toes get wrinkly when they’ve been in the water too long? Short answer: Your nerves. Longer answer: Evolution.
2015x69
Why We Haven't Cured Cancer
Episode overview
Ever wonder why we still haven't cured cancer? Join SciShow as we discuss what's wrong with that question and why it's so hard to find a cure.
2015x71
Buckyball: Tiny Carbon Soccer Balls
Episode overview
In 1985, scientists discovered that 60 carbon atoms could join up to form one big soccer ball shape: a buckyball! It’s a strange little molecule.
2015x72
How Does Hair Know When to Stop Growing?
Episode overview
The hair on your scalp can get really long, but your leg hair doesn’t sweep the floor. Why not?
2015x73
Talk Show: Blake de Pastino & Corn Snakes!
Episode overview
Hank Green interviews Scishow's Chief Editor Blake de Pastino who explains his interest in writing about science, paleontology & anthropology. Special guest Jessi Knudsen Castañeda brings corn snakes for everyone to play with.
2015x75
Why Do Things Look Darker When They're Wet?
Episode overview
It’s kinda embarrassing when you spill stuff on your shirt and it makes a stain. So you might as well understand the science behind it, so at least you can act all smart and explain it to people.
2015x76
The Great North American Megadrought
Episode overview
In a few decades, scientists predict that a widespread, severe drought will sweep across western North America -- and it’ll last for decades.
2015x77
How the Vitamins Got Their Names
Episode overview
The list of vitamins can be kind of confusing, what with all those B vitamins and a random K thrown in. But every name has its story.
2015x78
Keeping Bananas Apeelin'
Episode overview
Bananas! They’ve got a long trip from harvest to table, and a lot of science goes into keeping them delicious.
2015x79
Why Is Only Half of My Nose Working?
Episode overview
Ever notice how one side of your nose always seems to be more stuffed than the other? What’s up with that? Quick Questions knows!
2015x80
SciShow Quiz Show: Weird Water Creatures & Spontaneous Combustion!
Episode overview
SciShow Quiz Show is back, with familiar faces Hank Green and Caitlin Hofmeister battling it out over questions on water, fire, and computer science!
2015x81
The First Wild 'Virgin Births'
Episode overview
Hank shares news about two unusual animals in crisis: the saiga, which have lost about half of their total population in the past month, and the smalltooth sawfish which has been found to reproduce in the wild, without sex.
2015x82
How to Upload Your Mind
Episode overview
Uploading your mind to a computer might one day let humans cheat death. The technology’s a long way off, but researchers are working on closing that gap. This episode was brought to you and inspired by the movie Self/less.
2015x83
Why Do Things Fade in the Sun?
Episode overview
Have you ever noticed that sunlight makes colors fade? Join Quick Questions as we explore why that happens.
2015x84
How Recycling Works
Episode overview
Join SciShow as we explore what happens to your stuff after you toss it into the little green bin with the arrows on it.
2015x85
The Truth About the Charlie Charlie Challenge
Episode overview
We may not be sure who’s behind it, but we can tell you that the Charlie Charlie Challenge doesn’t really work. Because physics.
2015x86
How to Break the Internet
Episode overview
Ever wondered what it would take to bring down the Internet? Well, not much.
2015x87
Why Does Cilantro Taste Like Soap?
Episode overview
It's the controversy that plagues dinner tables the world over. Cilantro tastes like soap to some people, but they may not just be picky. It could be genetic.
2015x88
SciShow Talk Show: Henry Reich & Rook the Raven
Episode overview
Hello and welcome to SciShow Talk Show where we talk to interesting people about interesting things! This week we discuss why we know why we don't know how bicycles stay up with Minute Physics host Henry Reich. Special guest Jessi Knudsen Castañeda.
2015x89
What We Really Know About Placenta-Eating
Episode overview
Join SciShow News as we explore why eating placenta doesn't actually do very much. Injecting wastewater into the ground, on the other hand, seems to do quite a bit.
2015x90
Why Tomatoes Are Fruits, and Strawberries Aren't Berries
Episode overview
Did you know that bananas are berries, but strawberries aren’t? A lot of thought goes into classifying fruits and vegetables, and it all has to do with anatomy.
2015x91
Why Does Your Breath Stink in the Morning?
Episode overview
At night, your mouth becomes the perfect home for growing bacteria. Forgive us if we don’t talk to you until after you brush your teeth.
2015x92
A Brief History of Timekeeping
Episode overview
It’s time for another leap second! Join SciShow as we celebrate by exploring the long and strange history of timekeeping.
2015x93
Happy Tau Day!
Episode overview
June 28 is Tau Day! Join SciShow as we celebrate circles by exploring the many uses of twice pi.
2015x94
Why Do People Go Bald?
Episode overview
How does balding work? Why does it happen? And why are men so much more likely to lose their hair than women? Quick Questions has the answers!
2015x95
ASMR: That Happy, Tingly Feeling
Episode overview
Hundreds of thousands of people get a tingling sensation, called ASMR, from things like whispering or personal attention. Here’s what science has to say about it.
2015x96
SciShow Quiz Show: Weird Facts About Humans
Episode overview
Hank squares off against the host of SciShow Kids, Jessi Knudsen Castaneda, to match wits about chemistry, evolution, and how babies are weird!
2015x97
The Fish With Human Teeth
Episode overview
A fish with eerily human-like teeth was caught in a New Jersey lake. And scientists have learned to speak Bird!
2015x98
How a Bee Becomes Queen
Episode overview
Royal jelly! For bees, it’s what makes all the difference between a queen and a worker.
2015x99
Why Does Pepper Make You Sneeze?
Episode overview
It shouldn’t be up your nose in the first place, but if it is, SciShow can explain why it makes you sneeze.
2015x100
Why are GMOs Bad?
Episode overview
Why are GMOs bad? They aren’t. They just aren’t, not intrinsically, and certainly not for your health. We’ve been eating them for decades with no ill effects, which makes sense, because .. show full overview
2015x101
'Female Viagra' & New Insights Into Narcolepsy
Episode overview
Recent research has offered some new insights into our biochemistry -- from a proposed drug for sexual arousal to a possible link between the flu and narcolepsy.
2015x102
What Causes Sunburns?
Episode overview
Why does too much sun turn some people’s skin all red and shiny? Quick Questions explains!
2015x103
One-on-One Conversation with New Horizons Scientist
Episode overview
Hank interviews Dr. Alex Harrison Parker about New Horizons' Pluto flyby, what's next for the probe, and what we can anticipate learning about the solar system's history!
2015x104
Inside The World's Most Powerful New Microscopes
Episode overview
In recent years, scientists have come up with new ways to hack the physics of light, to invent the most powerful microscopes the world has ever seen.
2015x105
DeepDream: Inside Google's 'Daydreaming' Computers
Episode overview
It may produce creepy images with way too many dogs and eyeballs, but Google’s DeepDream program is actually a valuable window into artificial intelligence.
2015x106
How Smells Trigger Memories
Episode overview
SciShow explains how smells can bring back early memories -- even memories that your brain didn’t know you had.
2015x107
Why Do Planes Fly So High?
Episode overview
We’ve all been flying high ever since the development of the jet engine in the mid-1950s. But why were jets were designed to fly at those high altitudes in the first place?
2015x108
The Most Advanced Robots in the World
Episode overview
The most advanced robots in the world might not be exactly what you’re expecting. But they’re shaping humanity’s future.
2015x109
Why Do Bruises Change Colors?
Episode overview
What happens in your body after you get a bruise? Quick Questions explains!
2015x110
What the Frick is a Globster?
Episode overview
Sometimes, big hunks of strange-looking flesh wash up onshore and then people think that they’re dinosaurs or giant octopi or previously undiscovered species. Turns out the ocean can do nasty things to dead things...making them just awful to look at.
2015x111
SciShow Quiz Show: The Science of Puppies!
Episode overview
SciShow Quiz Show is back, with familiar faces Hank Green and Lindsey Doe matching wits about ancient science, puppies, and all kinds of words that have “sex” in them!
2015x112
The Science of Screaming, And What Was the Biggest Dinosaur?
Episode overview
Scientists dissect the human scream for the first time, and also re-think what was thought to be the biggest dinosaur in the world.
2015x113
Can Pickles and Bananas Really Help Athletes?
Episode overview
Some athletes swear by pickle juice and bananas, but how do they help? Quick Questions explains!
2015x114
How to Escape Quicksand
Episode overview
You probably won’t get stuck in quicksand. But if you do, you can use physics to get yourself out.
2015x115
Cryptography: The Science of Making and Breaking Codes
Episode overview
There are lots of different ways to encrypt a message, from early, simple ciphers to the famous Enigma machine. But it’s tough to make a code truly unbreakable.
2015x116
3 Things to Know About Cecil the Lion
Episode overview
Cecil was one of the most thoroughly studied lions in Africa. And thanks to him, we know several reasons why the death of one big cat can be a big deal.
2015x117
Lead: The Original Artificial Sweetener
Episode overview
Lead is really useful when you add it to things like paint and gasoline. Problem is, it’s also poisonous.
2015x118
What Happens to My Wool Sweater in the Washer?
Episode overview
Be careful with your wool. Unless you want a nice piece of felt with some holes in it.
2015x119
SciShow Talk Show: More about Animal Weapons with Doug Emlen & Professor Claw the Emperor Scorpion
Episode overview
Doug Emlen returns to SciShow to talk about the parallels between arms races in animals and arms races in humans. Then Jessi joins the show to show off an animal with it's own set of weapons.
2015x120
Colorado's Bright Yellow River, and Why Fruit Flies Mate
Episode overview
This week on SciShow News, toxic waste from an abandoned mine turned a river yellow, and new research shows that threatened fruit flies may have more diverse offspring.
2015x121
Could Dinosaurs Have Been Warm-Blooded?
Episode overview
For a long time, scientists have debated whether dinosaurs were warm-blooded or cold-blooded. Turns out, they were probably somewhere in between.
2015x122
What Happens When You Faint?
Episode overview
Why do we faint? Because sometimes, your nervous system just doesn’t know what to do with itself.
2015x123
5 Chemicals That Are in (Almost) Everything You Eat
Episode overview
Discover 5 key chemicals that we use to make our food taste the way it’s supposed to taste, look the way we expect it to look, and generally survive the journey to our tables intact.
2015x124
Pareidolia: Why People Keep Seeing Crazy Stuff on Mars
Episode overview
Why do people supposedly see a woman in pictures sent from Mars by the Curiosity Rover? For the same reason that people see Pepe the Frog in their toast, or Jesus in a tortilla: a phenomenon known as pareidolia.
2015x125
Plants That Keep Themselves Warm
Episode overview
Sometimes, plants do unexpected things. Like control their own body temperature.
2015x126
Are You a Supertaster?
Episode overview
Some people have more taste buds than the rest of us. They’re called supertasters, and they can taste things others can’t.
2015x127
SciShow Quiz Show: Why Humans Are Weird!
Episode overview
In this explosive episode of SciShow Quiz Show, Hank Green and SciShow writer Dave Loos test their knowledge of diamonds, the environment, and the many reasons why humans are very strange creatures.
2015x128
Meet the Machine That Barfs
Episode overview
SciShow News shares the latest insights into two powerful natural forces: El Nino and barfing.
2015x129
How Ants Take Care of Their Farms
Episode overview
Hundreds of ant species have been farming for tens of millions of years.
2015x130
Why Are Flamingos Pink?
Episode overview
What makes flamingos go from grey to pink? And can the same thing happen in humans? Quick Questions explains!
2015x131
Can You Catch Cancer?
Episode overview
Can you catch cancer from someone else?
2015x132
New Insights Into 'The Mind's Eye'
Episode overview
SciShow explores a newly identified neurological condition, aphantasia, the inability to visualize things in your imagination, and gives tribute to Dr. Oliver Sacks, popular explorer of the human mind.
2015x133
Creating Artificial Life
Episode overview
Scientists are working on creating organisms with designer genomes -- and someday, we might end up with bacteria manufacturing our jet fuel.
2015x134
Why Don’t Spiders Stick to Their Webs?
Episode overview
Spiderwebs are designed to trap bug-sized creatures. So how come spiders don’t get stuck?
2015x135
SciShow Talk Show: Dr. Jeff Good & Cas the Arctic Fox
Episode overview
Welcome back to SciShow Talk Show where Hank talks with Dr. Jeff Good about seasonal animal adaptations. Special guest Jessi Knudsen Castañeda with Cas the Arctic Fox.
2015x136
You Can "Catch" Alzheimer's Disease
Episode overview
Alzheimer’s isn’t contagious -- at least, in the sense that you can’t catch it from being around somebody who has it. But, it turns out, it is transmissible, just not directly.
2015x137
5 Things Your Nails Can Say About Your Health
Episode overview
Your nails can do more than just look pretty. They can tell you some things about your health!
2015x138
Why Do Boomerangs Come Back?
Episode overview
Learning to throw a boomerang properly takes a lot of practice. And aerodynamics.
2015x139
Robots Inspired By Animals
Episode overview
Learn about the robots inspired by animals with Hank!
2015x140
Humanity's New Cousin & An Ancient Giant Virus
Episode overview
SciShow News shares two amazing things from the deep past that have been discovered: a new ancient human relative, and a 30,000-year-old giant virus.
2015x141
The Real Story of Asbestos
Episode overview
It seemed like a miracle stone, and eventually, the ancient Greeks, Romans, and Egyptians all started using it, too.
2015x142
What Causes Pins and Needles?
Episode overview
Ever wondered what causes that strange tingling feeling? Well, settle in as Quick Questions explains how it works. Just be careful how you sit.
2015x143
SciShow Quiz Show: With WheezyWaiter!
Episode overview
Welcome back to SciShow Quiz Show, where Hank goes head-to-head with Craig Benzine, better known as WheezyWaiter.
2015x144
How To Make a Digital Clock
Episode overview
How DO you make a digital clock?
2015x145
Liquid Water on Mars
Episode overview
Today, NASA announced that there is...occasionally...flowing, liquid water on the surface of Mars. What?!
2015x146
Why Is There a Magnet Inside My Dog?
Episode overview
Pet trackers, and lots of other electronics, have little cylinders inside them called ferrite beads. If they didn’t, they’d probably be picking up the local traffic report instead.
2015x147
Four Creatures That Glow
Episode overview
Fireflies, crustaceans, jellyfish -- lots of living things glow, and they do it for all kinds of reasons, some of which we haven’t even discovered yet.
2015x148
The Real Science of Forensics
Episode overview
In this episode of SciShow, we’re going to investigate a murder. But first, we’re going to have to learn all about forensics, the use of science in criminal law -- and the real-life version is a little different from what you might see on TV.
2015x149
3 Animals That Breathe Through Their Butts
Episode overview
If you want to be able to breathe underwater, you’re going to need to get creative. So some turtles, dragonfly nymphs, and sea cucumbers decided to use their butts.
2015x150
Could We Destroy the Earth?
Episode overview
There are a lot of nuclear weapons on Earth, so many that we often say it’s enough to “destroy the world several times over.” But could we? Well, that depends on what you mean. Also...no .. show full overview
2015x151
SciShow Talk Show: Jimmy Henderson & The Red Eyed Skinks
Episode overview
SciShow Talk Show is back! Hank talks to Jimmy Henderson about project MINERVA, or is it the MINERVA Project? Special Guest Jessi Knudsen Castañeda introduces two red eyed crocodile skinks!
2015x152
Quantum Computing Breakthrough
Episode overview
Quantum physics is weird. But quantum computing could be awesome! Learn how scientists took a big leap this week toward making quantum computers a reality.
2015x171
SciShow Talk Show: The Insectarium with Olivia Gordon
Episode overview
Welcome back to SciShow Talk Show where Hank talks with interesting people about interesting things! In this episode Hank talks with Olivia Gordon of the Missoula Butterfly House and Insectarium.
2015x153
Did Dinosaurs Really Have Feathers?
Episode overview
At least one entire class of dinosaurs seems to have had feathers—including velociraptors, and probably T. rex. Find out how we know, and how we even know what color some of them were!
2015x154
Why Do Nuclear Bombs Make Mushroom Clouds?
Episode overview
If you’ve ever put your feet up on a warm summer’s day and played “spot the shape in the cloud,” you might’ve seen a kangaroo, a guy preparing to facepalm, maybe a mushroom... On second thought, hopefully not that last one.
2015x155
Flavor Science: What's Really in a Pumpkin Spice Latte
Episode overview
If you take a look at an ingredients list, odds are you’ll find natural and artificial flavors somewhere in there. Turns out there’s a whole science to making your pumpkin spice latte taste like pumpkin spice, or your potato chips taste like pizza.
2015x156
The 2015 Nobel Prizes!
Episode overview
Over the past few weeks, the Nobel committees have been announcing the 2015 laureates. This year’s winners in the physics and chemistry categories made discoveries about the tiny neutrinos flying through all of us, and the ways our bodies repair DNA.
2015x157
3 Terrible Old-Timey Ways to (Not) Lose Weight
Episode overview
From sauna pants to fat jigglers, people used to try to lose weight in some rather unconventional ways. They really did not work.
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Does Hot Water Freeze Faster Than Cold Water?
Episode overview
Does hot water freeze faster than cold water? Turns out, the answer to this question is a lot trickier than it seems!
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The Future Of Back To The Future
Episode overview
We’re going back to the future! The real-life 2015 looks a little different than the movie version, though.
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Modern Human Migration and Echolocating Eels
Episode overview
Scientists have found 80,000-year-old modern human teeth in a Chinese cave, challenging the most widely accepted timelines of human migration. And electric eels use electricity to both attack and track their prey!
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What Does Anesthesia Do to Your Brain?
Episode overview
Scientists know that anesthesia drugs are really good at knocking you out. What they don’t know is how.
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Do Animals Cry?
Episode overview
Plenty of animals have tears that moisturize their eyes. But does that mean they’re sad? Quick Questions explains!
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SciShow Quiz Show with Phil Plait: Sperm, Whales, and Sperm Whales
Episode overview
Hank and Phil Plait dive deep into questions about gametes and sea mammals in this episode of SciShow Quiz Show!
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Social Interaction and the 'Bliss Molecule'
Episode overview
This week on SciShow News, scientists found that social interaction triggers the production of the “bliss molecule” in mice. Plus, eating sugar is about more than just the calories.
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How Words Get Stuck on the Tip of Your Tongue
Episode overview
You know that feeling, when you know a word but it’s just out of reach, stuck on the tip of your tongue? Well, why does it happen? And what can you do about it?
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Why Don't Sleeping Bats Fall Down?
Episode overview
Bats sleep upside down, so how come they don’t fall? Turns out that they’ve got some unusual legs.
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Weight Loss Pills: Fact Or Fiction?
Episode overview
Enjoy your bacon sandwich, while we walk you through the facts and fictions of what science can -- and maybe someday, will -- do to help people lose weight safely.
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Do We Have to Give Up Bacon?
Episode overview
This episode has no summary.
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Can You Really 'Train' Your Brain?
Episode overview
Brain training games claim to improve your memory, attention, and reasoning skills. Some even say they help prevent the onset of dementia. Problem is, they don’t really work.
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Why Can Blu-rays Hold More Than DVDs?
Episode overview
Blu-rays can hold about ten times more than DVDs because Blu-ray players use special blue lasers to read them. But it took a while for scientists to figure out how to make those lasers work.
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The Science of Lewy Body Dementia
Episode overview
This week in SciShow News we dissect what a Lewy Body is and what they are capable of doing.
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How Plants Attract Bodyguards
Episode overview
This episode has no summary.
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Why Do Animals Lick Their Wounds?
Episode overview
There are a few animals that will instinctively lick their wounds when injured. SciShow Quick Questions explores the reasons why they do this, and why we sometimes have to stop them from doing it.
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Why Is That Song Stuck in My Head?!
Episode overview
Why do songs get stuck in our heads? And what can we do to get rid of them!? Michael Aranda explains current scientific thought on the subject (and also does a pretty good Shia LaBeouf impression).
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Genetically Engineered Cancer-Fighting Algae
Episode overview
This episode has no summary.
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Interview with EPA Administrator McCarthy
Episode overview
Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the .. show full overview
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Take a Trip Through Space!
Episode overview
This episode has no summary.
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What Does Your Uvula Do?
Episode overview
Ever wonder what that dangling thing in the back of your throat is good for? Hank Green explains in this episode of SciShow Quick Questions.
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Life Inside a Dead Whale
Episode overview
This episode has no summary.
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Why Do We Have Blind Spots?
Episode overview
This episode has no summary.
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How to Forget Things on Purpose
Episode overview
If you had the power to forget, would you do it? Michael Aranda explains how this might be possible in this episode of SciShow.
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How Health Affects Sperm
Episode overview
This episode has no summary.
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Strontium: It Knows Where You've Been
Episode overview
Your teeth contain traces of strontium isotopes that can reveal where you lived while they were forming.
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Why is Red Meat ... Red?
Episode overview
When you cut into a nice, juicy steak what's all that liquid that pours out? Is it blood? It looks like blood. ...it's not blood.
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SciShow Talk Show: Jack Horner Meets a Dinosaur
Episode overview
Jack Horner and Hank talk about the evolution of dinosaurs, what it took to become a world-famous paleontologist, genetics, and meet a live dinosaur courtesy of Jessi Knudsen Castañeda.
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Hydras: Our Immortal, Tentacled Friends
Episode overview
While humans age and die (which is kind of a bummer), it looks like hydras will stay young and fertile forever. Why is this? And what can we learn from these tentacular microscopic organisms?
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Metal vs. Bacteria
Episode overview
Even before we knew what bacteria were capable of, we were using certain metals to help fight off their effects.. Hank Green explains how on this episode of SciShow.
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Why Do Our Noses Run in the Cold?
Episode overview
Have you ever had a romantic moment ruined by a cold runny nose? Michael Aranda explains why it happens in this episode of SciShow Quick Questions.
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The Quest for Glueballs
Episode overview
The quantum world is weird. Today we're looking at a strange particle called a glueball that contains no matter...they're made of pure force!
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Bananas Are Losing the War on Fungus
Episode overview
The Gros Michel banana lost the battle with fungus in the 1950s, but was replaced by the Cavendish. This time we might not have a new banana to come to the rescue. Could this be the end of bananas?
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The Deal with Fat
Episode overview
Dietary science is complicated-- one day something is good for you and the next it's not. Learn what we DO know about fat chemistry in this episode of SciShow.
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Why Is Heart Cancer So Rare?
Episode overview
Why don't we hear about people getting heart cancer? Turns out that some types of cells are less susceptible to cancer than others.
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SciShow: Winter Compilation
Episode overview
We here at SciShow compiled a list of videos based on popular requests. Hank Green hosts with this winter themed episode!
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3 Odd Facts About Ostriches
Episode overview
Don't bury your head in the sand for this one. We've got some odd ostrich facts for you!
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What's Causing That Stitch in Your Side?
Episode overview
What's the deal with that sharp pain in your side when you're trying to win that marathon? SciShow has the answers!
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The Nearsightedness Epidemic
Episode overview
While not the kind of epidemic you're used to hearing about, nearsightedness is becoming a major health issue in many places. Learn about how scientists are finding out the reasons .. show full overview
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Science Superlatives of 2015!
Episode overview
Learn about the strongest, slowest, and fastest science in 2015!