PBS
Why Does Caffeine Exist?
Today, billions of people around the world start their day with caffeine. But how and why did the ability to produce this molecule independently evolve in multiple, distantly-related lineages of flowering plants, again and again?
PBS
Why Do Things Keep Evolving Into Crabs?
For some reason, animals keep evolving into things that look like crabs, independently, over and over again. What is it about the crab’s form that makes it so evolutionarily successful that non-crabs are apparently jealous of it?
PBS
How Plants Became Carnivores
How and why does botanical carnivory keep evolving? It turns out that when any of the basic things that most plants need aren’t there, some plants can adapt in unexpected ways to make sure they thrive.
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
When Dinosaur Look-Alikes Ruled the Earth
There were a huge number of croc-like animals that flourished during the Triassic Period. Dinosaurs had just arrived on the scene but it was these animals that truly ruled the Earth, becoming both abundant and diverse.
PBS
The Biggest Frog that Ever Lived
Untangling the origins of Beelzebufo -- the giant frog that lived alongside the dinosaurs -- turns out to be one of the most bedeviling problems in the history of amphibians.
PBS
How Blood Evolved (Many Times)
Blood is one of the most revolutionary features in our evolutionary history. Over hundreds of millions of years, the way in which blood does its job has changed over and over again. As a result, we animals have our familiar red blood....
Be Smart
What is Impossible in Evolution?
Could humans ever evolve to have wings? Why don’t fish have propellers? Why don’t tigers have wheels? Why don’t zebras have laser turrets? These might all seem like stupid questions (and maybe they are!) but they can teach us a lot about...
SciShow
5 Animals That Have Bone Skin
From the long extinct Stegosaurus, to tiny modern mice, all sorts of animals grow bits of bones inside their skin. These structures are called osteoderms, and they're often more than just a suit of armor.
SciShow
How People Have Evolved to Live in the Clouds
High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at...
SciShow
Were Dire Wolves Actually Real?
After watching Game of Thrones or playing DND, you might wonder if Dire Wolves were actually real. Turns out, these were real animals that lived during the last Ice Age, but they weren't actually...wolves? Join Hank Green and learn what...
SciShow
The Real Paleo Diet
The paleo diet is becoming more popular, but research suggests its claims aren’t all that scientific. Hosted by: Michael Aranda
SciShow
Earth's Most Amazing Flying Animals | Compilation
The world of animal flight is a fascinating one—join us for a fun SciShow compilation all about birds, bats, and some species you might not expect!
SciShow
So Apparently Platypuses Glow in the Dark
Of all the weird animals that exist in the world, platypuses are up there with the weirdest, and last year scientists discovered something even more peculiar about their fur: it glows! What may be even more strange, though, is how little...
SciShow
6 Lonely Branches on the Tree of Life
When there’s only one species on an evolutionary branch, we call it a monospecific taxon. Studying these special species can help us better understand not just those sparse groups, but all life on this planet. Chapters Homo sapiens 0:53...
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.
SciShow
The Strange Blind Fish of the Lower Congo River
The lower Congo River is treacherous, turbulent, and very deep. While that might seem like an inhospitable habitat, hundreds of species of fish thrive there, including some that are really bizarre!SciShow is supported by Brilliant.org.
SciShow
The Most Venomous Animals in the World
There are a lot of ways to kill and be killed in the animal kingdom, but only a lucky few use the powers of venom. Not all are closely related, so how did they acquire the same defenses, where did venom come from, and how does it work?...
SciShow
From Wombat Butts to Quantum Mechanics | SciShow Quiz Show
SciShow script writer and D&D enthusiast Alexa Billow goes head to head against Hank in his 50th Quiz Show appearance! Who will win in the battle of Wombat Butts and Quantum Mechanics?
SciShow
5 Strangely Familiar Ancient Animals
Once evolution finds a trick that works, it tends to repeat it. Here are a few examples of prehistoric animals that look a lot like ones we know today. chapters 0:00 0:06 0:13 0:20 0:27 0:34
SciShow
The Blinding White Remains of a Dying Sea | Weird Places: White Sands
The aptly named White Sands National Park is home to over 400 square kilometers of blindingly white sand. It's the culmination of a remarkable 250 million year process of sorting, transporting, and purifying gypsum to make a truly...
MinuteEarth
The Lost Penis Enigma
Because there are so many different types of penises among our evolutionary relatives, we didn’t know until a recent discovery whether they all had the same origin.
SciShow
So Apparently Platypuses Glow in the Dark
Of all the weird animals that exist in the world, platypuses are up there with the weirdest, and last year scientists discovered something even more peculiar about their fur: it glows! What may be even more strange, though, is how little...