SciShow
Did Dinosaurs Have Belly Buttons?
Belly buttons are, typically, a human's first scar. A sign that you used to feed through an umbilical cord that connected your tummy to a placenta. But it turns out you don't have to feed from a placenta to get a similar scar. It might...
PBS
When Giant Millipedes Reigned
This giant millipede was the largest known invertebrate to ever live on land. So how did it get so big??
PBS
How the Egg Came First
The story of the egg spans millions of years, from the first vertebrates that dared to venture onto land to today’s mammals, including the platypus, and of course birds. Like chickens? We’re here to tell you: The egg came first.
PBS
When Crocs Thrived in the Seas
While dinosaurs were dominating the land, the metriorhynchids were thriving in the seas. But taking that plunge wasn’t easy because it takes a very special set of traits to fully dedicate yourself to life at sea.
PBS
How Dinosaurs Coupled Up
Dinosaur mating behavior has been the subject of a lot of speculation, but what can we actually say about it from the fossil record?
PBS
How a Hot Planet Created the World's Biggest Snake
About 59 million years ago, the largest animal lurking in the ancient forests of Colombia by far was Titanoboa - the largest snake ever known. It’s only been in the past few years that we’ve put together the many pieces of this puzzling...
PBS
How Vertebrates Got Teeth... And Lost Them Again
As revolutionary as teeth were, they would go on to disappear in some groups of vertebrates. But why?
PBS
When Mammals Only Went Out At Night
For decades, scientists believed dinosaurs were diurnal and tiny mammals were nocturnal. But as researchers have uncovered more mammalian fossils and studied the biology of different dinosaur species, they’ve found some surprising results.
PBS
When Ichthyosaurs Led a Revolution in the Seas
The marine reptiles Ichthyosaurs arose after The Great Dying, which wiped out at least 90 percent of life in the oceans, changing the seas forever and triggering a new evolutionary arms race between predator and prey.
Be Smart
Why Geckos Are Sticky Without Being Sticky
Geckos can grip and climb almost anything. Walking up walls, hanging upside down… even from glass. It’s almost like they can defy gravity. How do they do it? The secret lies in nanotechnology. I’ll tell you how that works and how...
Be Smart
What Is A Dinosaur And What Isn’t a Dinosaur?
There’s a lot of confusion out there about what is and isn’t a dinosaur. And you’d be forgiven for being kinda confused. Maybe paleontologists are just messing with us. Or… maybe the question of what is and isn’t a dinosaur goes deeper...
SciShow
Will Climate Change Turn More Reptiles Female?
We hear all the time about the ways that climate change could disrupt the world. But thanks to a quirk of reptile biology called temperature-based sex determination, it could also mean a surge in the numbers of female reptiles.
SciShow
The Oldest Known Animal May Be a Weird, Fleshy Oval | SciShow News
Dickinsonia might be the oldest known member of the animal kingdom, and the origin of birdsongs from the syrinx might be a little less mysterious.
SciShow
The Bizarre Evolution of Hemipenes (yes...hemipenes.)
Snakes have two penises (aka hemipenes) that come in a diverse array of shapes and sizes. And they could owe it all to their lack of legs.
SciShow
Crocodile Tears Are Real (And Could Help Cure Dry Eyes)
You may have thought that crocodile tears were just a figure of speech, but it turns out they're real, and may help those of us with dry eyes.
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.
Curated Video
CHINA: BEIJING: CROCODILE ZOO: VISITORS CAN FEED LIVE BIRDS TO CROCS
Mandarin/Nat
A crocodile zoo which preserves all the cruelty of the wild recently opened in Beijing.
It is not a place for the fainthearted, the zoo offers chicks and ducks for sale so visitors to the park can toss them into the...
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
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
A Brief History of Life: When Life Exploded
Right at the beginning of the Paleozoic, there was a huge explosion of more complex life. And that’s when things started to get really interesting. This is our second installment on the history of life, but you can watch in any order you...
SciShow
No You Dont Have a Reptilian Brain
You don't actually have a "reptilian brain" somewhere deep in your head making you act like a salty crocodile, so where did that idea even come from?
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.
SciShow
Reptiles' Breathing Hack Helped Birds Dominate the Air
When we breathe out, we empty our lungs. But an ancient reptile figured out a more efficient way to breathe, which ultimately helped birds dominate the skies.