SciShow
What is Restless Leg Syndrome?
We all get a jittery after sitting still for too long. But some people experience an irresistible urge to move their legs, and it can seriously affect their daily lives.
SciShow
These Superpowered Animals Use Your 5 Senses, But Better
Many animals use the same five senses as we do, but these creatures take that beyond the next level.
Crash Course
Complex Animals: Annelids & Arthropods - CrashCourse Biology
Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects.
Crash Course
Chordates - CrashCourse Biology
Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal...
SciShow
What's the Fastest Speed a Person Could Run
World-class sprinters just keep getting faster, with some running over 40 kilometers per hour! That kind of makes you wonder… how much faster can humans get?
SciShow
Why Don't We Have Elbowcaps?
Arms and legs are pretty similar, from the amount of bones they have to the way their joints bend, but your legs have one thing your arms don't: kneecaps. Ever wonder why?
SciShow Kids
How a Caterpillar Becomes a Butterfly
You’ve seen caterpillars, and you’ve seen butterflies. But do you know how a caterpillar becomes a butterfly? Jessi explains the wonder of metamorphosis!
TED Talks
TED: What I learned when I conquered the world's toughest triathlon | Minda Dentler
A 2.4-mile swim, a 112-mile bicycle ride and then a full-length marathon on hot, dry ground -- with no breaks in between: the legendary Ironman triathlon in Kona, Hawaii, is a bucket list goal for champion athletes. But when Minda...
Be Smart
Science of Marathon Running
So maybe we can't outrun cheetahs or antelope, but humans are uniquely adapted for long distance running. What does science have to say about marathon running? To find out, (and because I was feeling a little crazy) I decided to run one!...
SciShow Kids
Swings, Slides, and Science | Physics for Kids
Did you know that when you’re soaring on the swings, or sliding down the slide, you’re taking part in some seriously cool science? Jessi explains the forces you can find at the playground!
SciShow Kids
How to Build a Pillow Fort!
Learn how to build a pillow fort with the help of the force called compression. Just save some room for us!
PBS
An Illustrated History of Dinosaurs
Our image of dinosaurs has been constantly changing since naturalists started studying them about 350 years ago. Taken together, these pictures can tell us a whole lot about just how much we have learned. Let's explore the history of...
TED Talks
TED: Why I make robots the size of a grain of rice | Sarah Bergbreiter
By studying the movement and bodies of insects such as ants, Sarah Bergbreiter and her team build incredibly robust, super teeny, mechanical versions of creepy crawlies … and then they add rockets. See their jaw-dropping developments in...
SciShow
3 Reasons Why Ticks Suck
Find out why these arachnids are among the least B of humanity's BFFs. Yeah, they're blood-sucking parasites, but that's not all of it!
TED Talks
Aimee Mullins: Changing my legs - and my mindset
In this TED archive video from 1998, paralympic sprinter Aimee Mullins talks about her record-setting career as a runner, and about the amazing carbon-fiber prosthetic legs (then a prototype) that helped her cross the finish line.
MinuteEarth
The Best Dragon (According to Science)
We ranked dragons based on how biologically and evolutionarily plausible they are. ___________________________________________ To learn more, start your googling with these keywords: Tetrapods: four-limbed (with a few exceptions, such as...
TED-Ed
TED-ED: How to write descriptively - Nalo Hopkinson
The point of fiction is to cast a spell, a momentary illusion that you are living in the world of the story. But as a writer, how do you suck your readers into your stories in this way? Nalo Hopkinson shares some tips for how to use...
Be Smart
How Evolution Turned A Possum Into A Wolf
Until the early 20th century, Tasmania was home to a very weird wolf-like creature. Except that it wasn't a wolf. Even though it looked like a wolf. How did that happen? Here's the science of convergent evolution!
SciShow Kids
The Biggest Bird!
There are all sorts of flying birds, but some of the world's biggest are ones that stick to the ground, like the awesome ostrich!
SciShow Kids
Inspect An Insect
There are more insects in the world than any other kind of animal! In this episode of SciShow Kids, Jessi and Squeaks show you how to identify an insect, in three easy steps!
SciShow Kids
Don’t Be Afraid of Spiders!
A SciShow Kids viewer wants to know more about spiders so she’s not afraid of them anymore. And know what? They’re not scary! They’re awesome!
Bizarre Beasts
Caecilians Eat Their Mothers (a little bit)
New ReviewCaecilians are legless amphibians. Some of them are immune to cobra venom and in a certain sense, some of them eat their mothers from the inside-out and some eat them from the outside-in.
Bizarre Beasts
Bad News: The Ocean Is Full of Spiders*
New ReviewSea spiders are not actually arachnids, although they certainly look the part. They’re weird guys, and the specifics of their strangeness may actually help us to better understand how all invertebrate groups evolved.