SciShow
Why Body Hair?
In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals?
SciShow
Why Are Pandas Black and White?
Their signature black and white color scheme is part of what makes pandas instantly recognizable - but not many mammals are black and white, so... why do they look like that?
SciShow
Where Do Camels Store Their Water?
When camels drink, they do so at a rate that would kill most other animals. But where does all of that water go? Hint: It's not their humps!
SciShow
Where Are A Whale's Nipples?
Like dolphins, manatees, and other marine mammals, whales have nipples hidden in surprising places.
SciShow Kids
Blue Whales: The Biggest Animal EVER! | SciShow Kids
Did you know that the biggest animal that ever lived is still alive today? Let's learn all about what blue whales eat, where they live, and just how big they are, with Jessi and Squeaks!
SciShow
Is the Y Chromosome Disappearing?
Scientists know that the Y chromosome has been shrinking in size over millions of years, but recent studies suggest that it has more important genes, besides the ones that cause biological maleness.
Crash Course
The Evolutionary Epic Crash Course Big History 5
In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this...
SciShow Kids
Dimetrodon, the Animal With a Sail! | The History of Life! | SciShow Kids
Squeaks and Jessi use their pretend time machine to go way back in time and meet a creature even older than dinosaurs, called Dimetrodon! First Grade Next Generation Science Standards Crosscutting Concept: Structure and Function: The way...
SciShow
Why Is My Body Temperature 37 Degrees?
Your body is really good at keeping its temperature at around 37� C, but have you ever wondered why?
SciShow
Why Some DNA Is Selfish
Your DNA is a part of you, but it might not share your sense of who's numero uno.
TED-Ed
TED-Ed: Do larger animals take longer to pee? | David L. Hu
A cat's bladder can only store a golf ball's worth of urine. For humans, it's a coffee mug and for elephants, a kitchen trash can. An elephant's bladder is 400 times the size of a cat's, but it doesn't take an elephant 400 times longer...
SciShow
Why Are Some Animal Babies So Helpless
Have you ever noticed that some animal babies, like baby deer, can walk around basically right after they're born, but other animal babies, like kittens, can't even open their eyes? There’s a reason for that, and it comes down to two...
SciShow
A User's Guide to the Human Body
If you've ever wondered why you crave certain foods or what your appendix actually does, there's something in this collection for you!
SciShow
5 Times Evolution Should Have Planned Ahead
Natural selection can lead to some pretty amazing adaptations, but sometimes the resulting traits aren’t the most efficient solutions to the problems at hand. With the bar set to “good enough,” here are some features that arose from...
SciShow
What Does Polar Bear Milk Taste Like?
It's a question that entails some risks: What does polar bear milk taste like, and why does it taste that way?
SciShow
Why Do Men Have Nipples?
If men can't nurse, then why do they have nipples? The answer has less to do with evolution and more to do with your personal development as a teeny tiny embryo. Short version: We're all girls -- at least at first. Hank explains!
PBS
The Time Terror Birds Invaded
About 5 million years ago, a new predator made its way from the south and onto the coastal plains of North America. It was a giant, flightless, carnivorous bird and came to be known by one of the coolest and most richly earned nicknames...
TED-Ed
TED-Ed: Are naked mole rats the strangest mammals? - Thomas Park
What mammal has the social life of an insect, the cold-bloodedness of a reptile, and the metabolism of a plant? Bald and buck-toothed, naked mole rats may not be pretty, but they are extraordinary. Thomas Park explains how mole rats'...
SciShow
Oxygen Enemas Could Save Lives
Scientists have known for some time that certain animals can breathe using their butts, but now, researchers have determined that certain mammals can too! And in very much other news, researchers in Washington state have developed a new...
SciShow
Do Animals Appreciate Music?
Animals might be music lovers, but how can we know? Is the ability to perceive and appreciate music a shared human and animal experience?
SciShow
8 Strange Animal Sleeping Habits
Sleep is important, but not all animals need the same kind of deep rest as humans. From sleeping standing up to sleeping inside snot bubbles, here are 8 especially strange ways some animals catch their ZZZs.
SciShow
How Researchers Made Mice Pups from Two Moms and Two Dads | SciShow News
This week in news: Scientist successfully breed mice using same-sex parents and some very clever genetic engineering.
SciShow
How Tongues Helped Vertebrates Conquer Land
You might not think much of your tongue, but without it, we may have never conquered dry land and the world as we know it.
SciShow
The Chromosomes Hiding in Specks of Lint
Tiny versions of chromosomes show up in things like birds, reptiles, and amphibians. These mysterious lint-like flecks may be the building blocks for our entire genomes.