SciShow
Do Animals Cry?
Plenty of animals have tears that moisturize their eyes. But does that mean they're sad? Quick Questions explains!
SciShow
3D Printing and the Northern Walking Stick Insect: SciShow Talk Show #18
Today on the SciShow Talk Show, Ben Malouf shows off some of his 3D printed designs and talks with Hank about how he got into the world of 3D printing. Then Jessi from Animal Wonders joins in to share Holmes and Watson, the northern...
Crash Course
Your Immune System: Natural Born Killer - Crash Course Biology
Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.
SciShow
The World Is Built on Sand... and We're Running Out
Some might call sand coarse, rough and irritating, but there’s no denying that it’s used everywhere: from glass to asphalt, sand is a key ingredient for all sorts of materials in construction and technology. But this heavy reliance on...
SciShow
6 Ways Animals Prevent Epidemics
Humans aren’t the only ones who have to worry about epidemics: meet six other animals who take their own precautions to avoid getting sick! Chapters pathogens 0:40 vectors 1:15 VECTOR AVOIDANCE: BLUEBIRDS 2:19 social immunity 3:35...
SciShow
Is Your Dog As Smart As A Two Year Old?
You’ve heard that dogs are basically furry toddlers, with cognitive abilities on par with a 2 year old human. But while that might make sense on some levels, the minds of distinct species can work very differently.
Be Smart
The Only Animal That Weeps
Why do we cry? It's weird. Humans leak water out of their faces when they get sad. Are we the only animals that do this? What does it mean? What is it for? Here's the science of human tears!
TED Talks
TED: The incredible cancer-detecting potential of photoacoustic imaging | Lei Li
Could we use the energy from light and sound to detect disease? TED Fellow Lei Li shares the exciting promise of photoacoustic imaging: an affordable, painless and accurate method of converting light into sound in order to create...
SciShow Kids
Brr! 5 Videos about Winter!
The snow is really coming down where Jessi lives, so she and Squeaks decided to stay indoors where it's nice and warm and look back on some of the amazing things they've learned about winter! Grab a fuzzy sweater and a mug of cocoa and...
Be Smart
Where Do Teeth Come From?
Teeth. We've all got 'em (most of us, anyway). But how do they grow? Teeth are made from some biological nanotechnology that will blow your mind. They are strong enough to last hundreds of millions of years. Oh, and if you've ever...
SciShow
5 Animals That Sleep Too Much (and One That Might Not Need To)
In the animal kingdom, sleeping can be dangerous. Lying completely motionless and unconscious for hours at a time is just asking for trouble. There are, however, some sleepy risk-takers who spend almost all of their days snoozing.
SciShow Kids
Blobfish: The World's Ugliest Animal | Biology for Kids | SciShow Kids
The blobfish has been called "The World's Ugliest Animal", but it's actually really cool. Find out why it's shaped the way it is with Jessi and Squeaks.
SciShow
Where Are All the Dinosaur Brains?
We've found plenty of dinosaur bones all around the world, but is it possible to find any fossilized soft tissues from ancient animals?
SciShow Kids
Solar-Powered Slugs
We need to eat food to fuel our bodies, but this special slug, called emerald elysia, can make food using sunlight - just like plants do! All organisms have external parts. Different animals use their body parts in different ways to see,...
SciShow
The Curious History of the Lab Rat
If you give them any thought at all, you probably associate them with sewers, cargo ships and maybe animated movies about animals that want to become French chefs. But for almost 200 years, tens of millions of rats have played a central...
SciShow
Cephalopods Have a Totally Wild Way of Adapting
With their squishy bodies and color-changing abilities, octopuses and other cephalopods already look like our planet’s resident aliens. But researchers have discovered yet another thing that separates them from most other animals on Earth!
SciShow
6 Surgical Devices Inspired by Nature
From the sharp mouthparts of mosquitoes to the sticky feet of geckos, researchers have found all kinds of amazing adaptations in the natural world that could be useful in the operating room. Chapters WASPS & TISSUE EXTRACTORS 2:05...
TED-Ed
TED-Ed: Poison vs. venom: What's the difference? - Rose Eveleth
Would you rather be bitten by a venomous rattlesnake or touch a poisonous dart frog? While both of these animals are capable of doing some serious damage to the human body, they deliver their dangerous toxins in different ways. Rose...
TED Talks
Roger Hanlon: The amazing brains and morphing skin of octopuses and other cephalopods
Octopus, squid and cuttlefish -- collectively known as cephalopods -- have strange, massive, distributed brains. What do they do with all that neural power? Dive into the ocean with marine biologist Roger Hanlon, who shares astonishing...
SciShow
How Do Animals Re-Grow Limbs (And Why Can't We?)
Starfish can regrow lost arms, and salamanders can sprout new limbs. So why can't we? Sci Show explains the science of regeneration, and explores the limitations the humans face -- and are trying to go beyond.
SciShow
When The Universe Will End
Hank serves up a buffet of news items that includes an approximate date for the end of everything, scientific proof that when it comes to sex bigger IS better, and a look behind how the London Olympics are going green. Bon appetit!
SciShow Kids
Why Don’t Animals Need Sunscreen?
You should always wear sunscreen when you're playing outside, but you may have noticed that animals are outside all the time and they don't need sunscreen. Why?
SciShow Kids
Why Do Animals Have Tails?
Most animals with a backbone possess a tail, and they use them for all sorts of purposes. There isn’t just one reason for having a tail, it all depends on what the animal is adapted for.
SciShow
Are Your Eyes Part of Your Brain?
When you think of a brain, you probably imagine that pink, wrinkly organ in your skull, but we don’t have to stop there! Neither the brain’s functions, nor its cells, are confined to the organ we normally think of as the brain.