SciShowTemporada 2015

SciShow comments on just about any topic from subatomic physics to the Big Bang, toxic chemicals to butt hair, viruses to human societies. Every topic is covered from a scientific perspective but in plain English with a touch of tongue in cheek humor.

Onde assistir SciShow • Temporada 2015

197 episódios

  • 4 Weird Lab Animals
    E1
    4 Weird Lab AnimalsWhy 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.
  • Why are we Ticklish?
    E2
    Why are we Ticklish?What’s up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers!
  • The Disappearing Monarch and the Oldest Mammal on Earth
    E3
    The Disappearing Monarch and the Oldest Mammal on EarthSciShow 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.
  • Oklo, the Two Billion Year Old Nuclear Reactor
    E4
    Oklo, the Two Billion Year Old Nuclear ReactorSciShow 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!
  • When You Burn Fat, Where Does it Go?
    E5
    When You Burn Fat, Where Does it Go?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!
  • Dual-Sex Butterfly and the Risks of ... Oxygen
    E6
    Dual-Sex Butterfly and the Risks of ... Oxygen
  • SciShow Talk Show: The Mice of Riddle Place & Bindi the Bearded Dragon
    E7
    SciShow Talk Show: The Mice of Riddle Place & Bindi the Bearded Dragon
  • Who Will Survive The 6th Mass Extinction?
    E8
    Who Will Survive The 6th Mass Extinction?
  • Why Can We See Our Breath In The Cold?
    E9
    Why Can We See Our Breath In The Cold?
  • The 5 Most Important Molecules in Your Body
    E10
    The 5 Most Important Molecules in Your Body
  • Ecstasy in Rivers and The World's First Geological Map
    E11
    Ecstasy in Rivers and The World's First Geological Map
  • Will We Ever Run Out of Dinosaurs?
    E12
    Will We Ever Run Out of Dinosaurs?
  • Why Do We Have Baby Teeth?
    E13
    Why Do We Have Baby Teeth?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!
  • The Science of Sugar Addiction & The Fifth Taste
    E14
    The Science of Sugar Addiction & The Fifth Taste
  • SciShow Talk Show: Animal Weapons with Doug Emlen & A Southern Three-Banded Armadillo
    E15
    SciShow Talk Show: Animal Weapons with Doug Emlen & A Southern Three-Banded Armadillo
  • Why Are Eggs ... Egg-Shaped?
    E16
    Why Are Eggs ... Egg-Shaped?
  • Music in Your DNA and A New Species of Human?
    E17
    Music in Your DNA and A New Species of Human?
  • The Worst Nobel Prize Ever Awarded
    E18
    The Worst Nobel Prize Ever Awarded
  • Plasma, The Most Common Phase of Matter in the Universe
    E19
    Plasma, The Most Common Phase of Matter in the Universe
  • How Did a Magnet Just Break My Monitor?
    E20
    How Did a Magnet Just Break My Monitor?
  • How Measles Made a Comeback
    E21
    How Measles Made a Comeback
  • The Leidenfrost Effect: How to Make a Liquid Levitate
    E22
    The Leidenfrost Effect: How to Make a Liquid Levitate
  • Why Is My Tongue Stuck to This Flagpole?
    E23
    Why Is My Tongue Stuck to This Flagpole?
  • The Science of Anti-Vaccination
    E24
    The Science of Anti-Vaccination
  • Animals Getting Bigger, and How Cannabis Causes Hunger
    E25
    Animals Getting Bigger, and How Cannabis Causes Hunger
  • Why Do Koalas Hug Trees?
    E26
    Why Do Koalas Hug Trees?
  • 3 Weird Things That Domestication Did to Dogs
    E27
    3 Weird Things That Domestication Did to Dogs
  • SciShow Quiz Show with Phil Plait
    E28
    SciShow Quiz Show with Phil Plait
  • The Science of That Dress
    E29
    The Science of That Dress
  • 3 Strange-Looking Kinds of Clouds
    E30
    3 Strange-Looking Kinds of Clouds
  • Do Fish Drink Water?
    E31
    Do Fish Drink Water?
  • A Brief History of Robotics
    E32
    A Brief History of RoboticsWhy 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.
  • How to Make a Superbug, and an Even More Super-Collider!
    E33
    How to Make a Superbug, and an Even More Super-Collider!
  • Why Does Toothpaste Make Everything Taste Bad?
    E34
    Why Does Toothpaste Make Everything Taste Bad?
  • SciShow Talk Show: The History of Gender & Kiki the Domestic Cat
    E35
    SciShow Talk Show: The History of Gender & Kiki the Domestic CatThis 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.
  • 3 Ways Pi Can Explain Practically Everything
    E36
    3 Ways Pi Can Explain Practically EverythingWhat’s irrational and never ends? Pi! Hank explains how we need pi to explain some of the most basic but most important principles of the universe, in honor of Pi Day.
  • Why Are There Animals on My Face?!
    E37
    Why Are There Animals on My Face?!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!
  • Are People Really Left-Brained or Right-Brained?
    E38
    Are People Really Left-Brained or Right-Brained?SciShow explains how some great, Nobel-winning research into the human brain turned into a meme of misunderstanding that lasted for decades.
  • The Science Behind 'Genetically Modified Humans'
    E39
    The Science Behind 'Genetically Modified Humans'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 heritable diseases. So why do some scientists want to pause the research?
  • Great Minds: Benjamin Franklin: Founding Nerd
    E40
    Great Minds: Benjamin Franklin: Founding NerdLearn the truth about Benjamin Franklin, his experiments into electricity, including the real story behind the kite and the key.
  • How Do My Fingerprints Form?
    E41
    How Do My Fingerprints Form?How do fingerprints form? Even though many people think it’s random, a lot of it has to do with your genes!
  • The Truth About Biodegradable Plastic
    E42
    The Truth About Biodegradable PlasticThis week, the truth about “biodegradable plastic,” and new insights into how global warming might eventually make winters colder.
  • Portuguese Man o' War: An Organism Made of Organisms?
    E43
    Portuguese Man o' War: An Organism Made of Organisms?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.
  • Do Plants Get Cancer?
    E44
    Do Plants Get Cancer?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.
  • Know Your Scientists! Archaeology or Paleontology?
    E45
    Know Your Scientists! Archaeology or Paleontology?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 archaeology and paleontology, and how they’re each awesome in their own ways.
  • SciShow Quiz Show: With the Brain Scoop's Emily Graslie!
    E46
    SciShow Quiz Show: With the Brain Scoop's Emily Graslie!Hank goes head-to-head with the Brain Scoop’s Emily Graslie to match wits about springs, hoaxes, and human evolution!
  • The Mystery of the Barreleye Fish
    E47
    The Mystery of the Barreleye FishIn the Pacific Ocean, there lives a fish that's . . . a little different. Hank tells you all about the Pacific barreleye fish!
  • Why Is Fluoride Good for Teeth?
    E48
    Why Is Fluoride Good for Teeth?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.
  • SciShow Talk Show: Writer Jeremy Smith, Measuring Health & Freya the Pine Snake
    E49
    SciShow Talk Show: Writer Jeremy Smith, Measuring Health & Freya the Pine SnakeIn 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.
  • The Radium Girls
    E50
    The Radium GirlsThe Radium Girls were the first people who worked, for years, with one of the world’s most radioactive substances -- and suffered the consequences.
  • How Do Pandas Exist?
    E51
    How Do Pandas Exist?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.
  • Why Am I Upside-Down When I Look in a Spoon?
    E52
    Why Am I Upside-Down When I Look in a Spoon?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.
  • The Women Who Killed Whooping Cough
    E53
    The Women Who Killed Whooping CoughWhooping 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.
  • Hormones and Puppy Love
    E54
    Hormones and Puppy LoveThis 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.
  • Xenotransplantation: When People Get Animal Parts
    E55
    Xenotransplantation: When People Get Animal PartsHow can we transplant animal tissue into humans? And will we ever be able to grow customized organs? SciShow explains!
  • Why Do I Have to Use a Number 2 Pencil?
    E56
    Why Do I Have to Use a Number 2 Pencil?Why do exams always tell you to use a number 2 pencil? What happens if you don’t? Quick Questions explains!
  • The Psychology of The Button
    E57
    The Psychology of The ButtonHundreds 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.
  • SciShow Talk Show: Environmental Engineer Mike Potts & Slick the Tiger Salamander
    E58
    SciShow Talk Show: Environmental Engineer Mike Potts & Slick the Tiger SalamanderWelcome 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.
  • Turning Your Leftovers Into Fuel
    E59
    Turning Your Leftovers Into FuelEven 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.
  • Does Thinking Hard Burn More Calories?
    E60
    Does Thinking Hard Burn More Calories?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!
  • All About Allergies
    E61
    All About AllergiesWhat are allergies? How are they caused, and what can people do to prevent them? SciShow explains!
  • Inside the Nepal Earthquake
    E62
    Inside the Nepal EarthquakeSciShow 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.
  • The Real Paleo Diet
    E63
    The Real Paleo DietThe paleo diet is becoming more popular, but research suggests its claims aren’t all that scientific.
  • Why Does Your Stomach Make Noises?
    E64
    Why Does Your Stomach Make Noises?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!
  • SciShow Quiz Show: With the SciShow Space Reid Reimers!
    E65
    SciShow Quiz Show: With the SciShow Space Reid Reimers!Welcome to SciShow Quiz Show, where SciShow Space co-hosts Hank and Reid are back for another round!
  • Evolution & The Science of Popular Music
    E66
    Evolution & The Science of Popular MusicThis week, researchers reveal the single most important influence on music since 1960. Also, turns out that sleepwalking and sleep terrors are genetically linked.
  • How Much Energy Does The Internet Use?
    E67
    How Much Energy Does The Internet Use?The internet uses a lot of energy! But people have come up with ways to make it more efficient.
  • Why Do We Wrinkle When Wet?
    E68
    Why Do We Wrinkle When Wet?Why do your fingers and toes get wrinkly when they’ve been in the water too long? Short answer: Your nerves. Longer answer: Evolution.
  • Why We Haven't Cured Cancer
    E69
    Why We Haven't Cured CancerEver 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.
  • Seasonal Genes & The Science of Fear
    E70
    Seasonal Genes & The Science of FearThis week on SciShow News, we explore how our genes change with the seasons! Plus, it turns out that even flies get scared sometimes.
  • Buckyball: Tiny Carbon Soccer Balls
    E71
    Buckyball: Tiny Carbon Soccer BallsIn 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.
  • How Does Hair Know When to Stop Growing?
    E72
    How Does Hair Know When to Stop Growing?The hair on your scalp can get really long, but your leg hair doesn’t sweep the floor. Why not?
  • Talk Show: Blake de Pastino & Corn Snakes!
    E73
    Talk Show: Blake de Pastino & Corn Snakes!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.
  • A Song of Ice and New Species
    E74
    A Song of Ice and New SpeciesHank shares losses and finds this week, including a huge amount of Antarctic ice that’s lost for good, and 10 cool new species that are last year’s top finds.
  • Why Do Things Look Darker When They're Wet?
    E75
    Why Do Things Look Darker When They're Wet?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.
  • The Great North American Megadrought
    E76
    The Great North American MegadroughtIn a few decades, scientists predict that a widespread, severe drought will sweep across western North America -- and it’ll last for decades.
  • How the Vitamins Got Their Names
    E77
    How the Vitamins Got Their NamesThe 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.
  • Keeping Bananas Apeelin'
    E78
    Keeping Bananas Apeelin'Bananas! They’ve got a long trip from harvest to table, and a lot of science goes into keeping them delicious.
  • Why Is Only Half of My Nose Working?
    E79
    Why Is Only Half of My Nose Working?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!
  • SciShow Quiz Show: Weird Water Creatures & Spontaneous Combustion!
    E80
    SciShow Quiz Show: Weird Water Creatures & Spontaneous Combustion!SciShow Quiz Show is back, with familiar faces Hank Green and Caitlin Hofmeister battling it out over questions on water, fire, and computer science!
  • The First Wild 'Virgin Births'
    E81
    The First Wild 'Virgin Births'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.
  • How to Upload Your Mind
    E82
    How to Upload Your MindUploading 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.
  • Why Do Things Fade in the Sun?
    E83
    Why Do Things Fade in the Sun?Have you ever noticed that sunlight makes colors fade? Join Quick Questions as we explore why that happens.
  • How Recycling Works
    E84
    How Recycling WorksJoin SciShow as we explore what happens to your stuff after you toss it into the little green bin with the arrows on it.
  • The Truth About the Charlie Charlie Challenge
    E85
    The Truth About the Charlie Charlie ChallengeWe may not be sure who’s behind it, but we can tell you that the Charlie Charlie Challenge doesn’t really work. Because physics.
  • How to Break the Internet
    E86
    How to Break the InternetEver wondered what it would take to bring down the Internet? Well, not much.
  • Why Does Cilantro Taste Like Soap?
    E87
    Why Does Cilantro Taste Like Soap?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.
  • SciShow Talk Show: Henry Reich & Rook the Raven
    E88
    SciShow Talk Show: Henry Reich & Rook the RavenHello 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.
  • What We Really Know About Placenta-Eating
    E89
    What We Really Know About Placenta-EatingJoin 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.
  • Why Tomatoes Are Fruits, and Strawberries Aren't Berries
    E90
    Why Tomatoes Are Fruits, and Strawberries Aren't BerriesDid 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.
  • Why Does Your Breath Stink in the Morning?
    E91
    Why Does Your Breath Stink in the Morning?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.
  • A Brief History of Timekeeping
    E92
    A Brief History of TimekeepingIt’s time for another leap second! Join SciShow as we celebrate by exploring the long and strange history of timekeeping.
  • Happy Tau Day!
    E93
    Happy Tau Day!June 28 is Tau Day! Join SciShow as we celebrate circles by exploring the many uses of twice pi.
  • Why Do People Go Bald?
    E94
    Why Do People Go Bald?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!
  • ASMR: That Happy, Tingly Feeling
    E95
    ASMR: That Happy, Tingly FeelingHundreds 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.
  • SciShow Quiz Show: Weird Facts About Humans
    E96
    SciShow Quiz Show: Weird Facts About HumansHank squares off against the host of SciShow Kids, Jessi Knudsen Castaneda, to match wits about chemistry, evolution, and how babies are weird!
  • The Fish With Human Teeth
    E97
    The Fish With Human TeethA fish with eerily human-like teeth was caught in a New Jersey lake. And scientists have learned to speak Bird!
  • How a Bee Becomes Queen
    E98
    How a Bee Becomes QueenRoyal jelly! For bees, it’s what makes all the difference between a queen and a worker.
  • Why Does Pepper Make You Sneeze?
    E99
    Why Does Pepper Make You Sneeze?It shouldn’t be up your nose in the first place, but if it is, SciShow can explain why it makes you sneeze.
  • Why are GMOs Bad?
    E100
    Why are GMOs Bad?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 a genetically modified organism is simply an organism, like every other organism, produces hundreds of thousands of proteins, but one or two of them are proteins that were chosen specifically by humans.
  • 'Female Viagra' & New Insights Into Narcolepsy
    E101
    'Female Viagra' & New Insights Into NarcolepsyRecent 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.
  • What Causes Sunburns?
    E102
    What Causes Sunburns?Why does too much sun turn some people’s skin all red and shiny? Quick Questions explains!
  • One-on-One Conversation with New Horizons Scientist
    E103
    One-on-One Conversation with New Horizons ScientistHank 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!
  • Inside The World's Most Powerful New Microscopes
    E104
    Inside The World's Most Powerful New MicroscopesIn 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.
  • DeepDream: Inside Google's 'Daydreaming' Computers
    E105
    DeepDream: Inside Google's 'Daydreaming' ComputersIt may produce creepy images with way too many dogs and eyeballs, but Google’s DeepDream program is actually a valuable window into artificial intelligence.
  • How Smells Trigger Memories
    E106
    How Smells Trigger MemoriesSciShow explains how smells can bring back early memories -- even memories that your brain didn’t know you had.
  • Why Do Planes Fly So High?
    E107
    Why Do Planes Fly So High?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?
  • The Most Advanced Robots in the World
    E108
    The Most Advanced Robots in the WorldThe most advanced robots in the world might not be exactly what you’re expecting. But they’re shaping humanity’s future.
  • Why Do Bruises Change Colors?
    E109
    Why Do Bruises Change Colors?What happens in your body after you get a bruise? Quick Questions explains!
  • What the Frick is a Globster?
    E110
    What the Frick is a Globster?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.
  • SciShow Quiz Show: The Science of Puppies!
    E111
    SciShow Quiz Show: The Science of Puppies!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!
  • The Science of Screaming, And What Was the Biggest Dinosaur?
    E112
    The Science of Screaming, And What Was the Biggest Dinosaur?Scientists dissect the human scream for the first time, and also re-think what was thought to be the biggest dinosaur in the world.
  • Can Pickles and Bananas Really Help Athletes?
    E113
    Can Pickles and Bananas Really Help Athletes?Some athletes swear by pickle juice and bananas, but how do they help? Quick Questions explains!
  • How to Escape Quicksand
    E114
    How to Escape QuicksandYou probably won’t get stuck in quicksand. But if you do, you can use physics to get yourself out.
  • Cryptography: The Science of Making and Breaking Codes
    E115
    Cryptography: The Science of Making and Breaking CodesThere 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.
  • 3 Things to Know About Cecil the Lion
    E116
    3 Things to Know About Cecil the LionCecil 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.
  • Lead: The Original Artificial Sweetener
    E117
    Lead: The Original Artificial SweetenerLead is really useful when you add it to things like paint and gasoline. Problem is, it’s also poisonous.
  • What Happens to My Wool Sweater in the Washer?
    E118
    What Happens to My Wool Sweater in the Washer?Be careful with your wool. Unless you want a nice piece of felt with some holes in it.
  • SciShow Talk Show: More about Animal Weapons with Doug Emlen & Professor Claw the Emperor Scorpion
    E119
    SciShow Talk Show: More about Animal Weapons with Doug Emlen & Professor Claw the Emperor ScorpionDoug 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.
  • Colorado's Bright Yellow River, and Why Fruit Flies Mate
    E120
    Colorado's Bright Yellow River, and Why Fruit Flies MateThis 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.
  • Could Dinosaurs Have Been Warm-Blooded?
    E121
    Could Dinosaurs Have Been Warm-Blooded?For a long time, scientists have debated whether dinosaurs were warm-blooded or cold-blooded. Turns out, they were probably somewhere in between.
  • What Happens When You Faint?
    E122
    What Happens When You Faint?Why do we faint? Because sometimes, your nervous system just doesn’t know what to do with itself.
  • 5 Chemicals That Are in (Almost) Everything You Eat
    E123
    5 Chemicals That Are in (Almost) Everything You EatDiscover 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.
  • Pareidolia: Why People Keep Seeing Crazy Stuff on Mars
    E124
    Pareidolia: Why People Keep Seeing Crazy Stuff on MarsWhy 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.
  • Plants That Keep Themselves Warm
    E125
    Plants That Keep Themselves WarmSometimes, plants do unexpected things. Like control their own body temperature.
  • Are You a Supertaster?
    E126
    Are You a Supertaster?Some people have more taste buds than the rest of us. They’re called supertasters, and they can taste things others can’t.
  • SciShow Quiz Show: Why Humans Are Weird!
    E127
    SciShow Quiz Show: Why Humans Are Weird!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.
  • Meet the Machine That Barfs
    E128
    Meet the Machine That BarfsSciShow News shares the latest insights into two powerful natural forces: El Nino and barfing.
  • How Ants Take Care of Their Farms
    E129
    How Ants Take Care of Their FarmsHundreds of ant species have been farming for tens of millions of years.
  • Why Are Flamingos Pink?
    E130
    Why Are Flamingos Pink?What makes flamingos go from grey to pink? And can the same thing happen in humans? Quick Questions explains!
  • Can You Catch Cancer?
    E131
    Can You Catch Cancer?Can you catch cancer from someone else?
  • New Insights Into 'The Mind's Eye'
    E132
    New Insights Into 'The Mind's Eye'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.
  • Creating Artificial Life
    E133
    Creating Artificial LifeScientists are working on creating organisms with designer genomes -- and someday, we might end up with bacteria manufacturing our jet fuel.
  • Why Don’t Spiders Stick to Their Webs?
    E134
    Why Don’t Spiders Stick to Their Webs?Spiderwebs are designed to trap bug-sized creatures. So how come spiders don’t get stuck?
  • SciShow Talk Show: Dr. Jeff Good & Cas the Arctic Fox
    E135
    SciShow Talk Show: Dr. Jeff Good & Cas the Arctic FoxWelcome 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.
  • You Can "Catch" Alzheimer's Disease
    E136
    You Can "Catch" Alzheimer's DiseaseAlzheimer’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.
  • 5 Things Your Nails Can Say About Your Health
    E137
    5 Things Your Nails Can Say About Your HealthYour nails can do more than just look pretty. They can tell you some things about your health!
  • Why Do Boomerangs Come Back?
    E138
    Why Do Boomerangs Come Back?Learning to throw a boomerang properly takes a lot of practice. And aerodynamics.
  • Robots Inspired By Animals
    E139
    Robots Inspired By AnimalsLearn about the robots inspired by animals with Hank!
  • Humanity's New Cousin & An Ancient Giant Virus
    E140
    Humanity's New Cousin & An Ancient Giant VirusSciShow 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.
  • The Real Story of Asbestos
    E141
    The Real Story of AsbestosIt seemed like a miracle stone, and eventually, the ancient Greeks, Romans, and Egyptians all started using it, too.
  • What Causes Pins and Needles?
    E142
    What Causes Pins and Needles?Ever wondered what causes that strange tingling feeling? Well, settle in as Quick Questions explains how it works. Just be careful how you sit.
  • SciShow Quiz Show: With WheezyWaiter!
    E143
    SciShow Quiz Show: With WheezyWaiter!Welcome back to SciShow Quiz Show, where Hank goes head-to-head with Craig Benzine, better known as WheezyWaiter.
  • How To Make a Digital Clock
    E144
    How To Make a Digital ClockHow DO you make a digital clock?
  • Liquid Water on Mars
    E145
    Liquid Water on MarsToday, NASA announced that there is...occasionally...flowing, liquid water on the surface of Mars. What?!
  • Why Is There a Magnet Inside My Dog?
    E146
    Why Is There a Magnet Inside My Dog?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.
  • Four Creatures That Glow
    E147
    Four Creatures That GlowFireflies, 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.
  • The Real Science of Forensics
    E148
    The Real Science of ForensicsIn 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.
  • 3 Animals That Breathe Through Their Butts
    E149
    3 Animals That Breathe Through Their ButtsIf 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.
  • Could We Destroy the Earth?
    E150
    Could We Destroy the Earth?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 matter what you mean, probably not. The Earth is pretty sturdy and people are pretty good at surviving and even after all this time and technology, our biggest weapons are pretty puny on a universal scale.
  • SciShow Talk Show: Jimmy Henderson & The Red Eyed Skinks
    E151
    SciShow Talk Show: Jimmy Henderson & The Red Eyed SkinksSciShow 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!
  • Quantum Computing Breakthrough
    E152
    Quantum Computing BreakthroughQuantum physics is weird. But quantum computing could be awesome! Learn how scientists took a big leap this week toward making quantum computers a reality.
  • Did Dinosaurs Really Have Feathers?
    E153
    Did Dinosaurs Really Have Feathers?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!
  • Why Do Nuclear Bombs Make Mushroom Clouds?
    E154
    Why Do Nuclear Bombs Make Mushroom Clouds?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.
  • Flavor Science: What's Really in a Pumpkin Spice Latte
    E155
    Flavor Science: What's Really in a Pumpkin Spice LatteIf 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.
  • The 2015 Nobel Prizes!
    E156
    The 2015 Nobel Prizes!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.
  • 3 Terrible Old-Timey Ways to (Not) Lose Weight
    E157
    3 Terrible Old-Timey Ways to (Not) Lose WeightFrom sauna pants to fat jigglers, people used to try to lose weight in some rather unconventional ways. They really did not work.
  • Does Hot Water Freeze Faster Than Cold Water?
    E158
    Does Hot Water Freeze Faster Than Cold Water?Does hot water freeze faster than cold water? Turns out, the answer to this question is a lot trickier than it seems!
  • The Future Of Back To The Future
    E159
    The Future Of Back To The FutureWe’re going back to the future! The real-life 2015 looks a little different than the movie version, though.
  • Modern Human Migration and Echolocating Eels
    E160
    Modern Human Migration and Echolocating EelsScientists 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!
  • What Does Anesthesia Do to Your Brain?
    E161
    What Does Anesthesia Do to Your Brain?Scientists know that anesthesia drugs are really good at knocking you out. What they don’t know is how.
  • Do Animals Cry?
    E162
    Do Animals Cry?Plenty of animals have tears that moisturize their eyes. But does that mean they’re sad? Quick Questions explains!
  • SciShow Quiz Show with Phil Plait: Sperm, Whales, and Sperm Whales
    E163
    SciShow Quiz Show with Phil Plait: Sperm, Whales, and Sperm WhalesHank and Phil Plait dive deep into questions about gametes and sea mammals in this episode of SciShow Quiz Show!
  • Social Interaction and the 'Bliss Molecule'
    E164
    Social Interaction and the 'Bliss Molecule'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.
  • How Words Get Stuck on the Tip of Your Tongue
    E165
    How Words Get Stuck on the Tip of Your TongueYou 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?
  • Why Don't Sleeping Bats Fall Down?
    E166
    Why Don't Sleeping Bats Fall Down?Bats sleep upside down, so how come they don’t fall? Turns out that they’ve got some unusual legs.
  • Weight Loss Pills: Fact Or Fiction?
    E167
    Weight Loss Pills: Fact Or Fiction?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.
  • Do We Have to Give Up Bacon?
    E168
    Do We Have to Give Up Bacon?
  • Can You Really 'Train' Your Brain?
    E169
    Can You Really 'Train' Your Brain?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.
  • Why Can Blu-rays Hold More Than DVDs?
    E170
    Why Can Blu-rays Hold More Than DVDs?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.
  • SciShow Talk Show: The Insectarium with Olivia Gordon
    E171
    SciShow Talk Show: The Insectarium with Olivia GordonWelcome 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.
  • The Science of Lewy Body Dementia
    E172
    The Science of Lewy Body DementiaThis week in SciShow News we dissect what a Lewy Body is and what they are capable of doing.
  • How Plants Attract Bodyguards
    E173
    How Plants Attract Bodyguards
  • Why Do Animals Lick Their Wounds?
    E174
    Why Do Animals Lick Their Wounds?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.
  • Why Is That Song Stuck in My Head?!
    E175
    Why Is That Song Stuck in My Head?!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).
  • Genetically Engineered Cancer-Fighting Algae
    E176
    Genetically Engineered Cancer-Fighting Algae
  • Interview with EPA Administrator McCarthy
    E177
    Interview with EPA Administrator McCarthyHank 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 United Nations Climate Change Conference, and the changing energy industry.
  • Take a Trip Through Space!
    E178
    Take a Trip Through Space!
  • What Does Your Uvula Do?
    E179
    What Does Your Uvula Do?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.
  • Life Inside a Dead Whale
    E180
    Life Inside a Dead Whale
  • Why Do We Have Blind Spots?
    E181
    Why Do We Have Blind Spots?
  • How to Forget Things on Purpose
    E182
    How to Forget Things on PurposeIf you had the power to forget, would you do it? Michael Aranda explains how this might be possible in this episode of SciShow.
  • How Health Affects Sperm
    E183
    How Health Affects Sperm
  • Strontium: It Knows Where You've Been
    E184
    Strontium: It Knows Where You've BeenYour teeth contain traces of strontium isotopes that can reveal where you lived while they were forming.
  • Why is Red Meat ... Red?
    E185
    Why is Red Meat ... Red?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.
  • SciShow Talk Show: Jack Horner Meets a Dinosaur
    E186
    SciShow Talk Show: Jack Horner Meets a DinosaurJack 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.
  • Hydras: Our Immortal, Tentacled Friends
    E187
    Hydras: Our Immortal, Tentacled FriendsWhile 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?
  • Metal vs. Bacteria
    E188
    Metal vs. BacteriaEven 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.
  • Why Do Our Noses Run in the Cold?
    E189
    Why Do Our Noses Run in the Cold?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.
  • The Quest for Glueballs
    E190
    The Quest for GlueballsThe 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!
  • Bananas Are Losing the War on Fungus
    E191
    Bananas Are Losing the War on FungusThe 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?
  • The Deal with Fat
    E192
    The Deal with FatDietary 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.
  • Why Is Heart Cancer So Rare?
    E193
    Why Is Heart Cancer So Rare?Why don't we hear about people getting heart cancer? Turns out that some types of cells are less susceptible to cancer than others.
  • 3 Odd Facts About Ostriches
    E194
    3 Odd Facts About OstrichesDon't bury your head in the sand for this one. We've got some odd ostrich facts for you!
  • What's Causing That Stitch in Your Side?
    E195
    What's Causing That Stitch in Your Side?What's the deal with that sharp pain in your side when you're trying to win that marathon? SciShow has the answers!
  • The Nearsightedness Epidemic
    E196
    The Nearsightedness EpidemicWhile 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 behind the increase in myopia, and how sunlight might be an important component.
  • Science Superlatives of 2015!
    E197
    Science Superlatives of 2015!Learn about the strongest, slowest, and fastest science in 2015!

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