Instructional Video3:19
SciShow

Why Does Cold Weather Kill Your Phone?

12th - Higher Ed
If you live in a cold climate, you might know the agony of trying to get your car started on a chilly winter morning, or standing helplessly by as your phone's battery level plummets. So why do cold weather and batteries seem to just not...
Instructional Video2:55
SciShow

Brinicles: Icicles o' Death

12th - Higher Ed
What's salty and cold and cool as heck? Brinicles, a rarely seen undersea phenomenon the combines ice and saltwater to become every sea star's worst nightmare! Actually, they're not that scary, just awesome. Hank explains within.
Instructional Video2:57
SciShow

Why Do We Get Colds When It's Cold?

12th - Higher Ed
The temperature drops and you're more likely to get a cold: Is this correlation or causation?
Instructional Video2:43
SciShow

Why Some Frozen Lakes Catch Fire

12th - Higher Ed
Did you know that, despite their serene, picturesque appearance, some frozen lakes can catch fire? Why are climate scientists studying the explosive gas bubbles trapped in lake ice?
Instructional Video2:16
SciShow

Why Don't Penguins' Feet Freeze?

12th - Higher Ed
How do they do it? Penguins standing on ice, not only for days, but their whole lives! And their feet don’t hurt like ours would. It has something to do with blood and an amazing twist that penguins have developed.
Instructional Video2:26
SciShow

Why Don't Fire Hydrants Freeze and Explode?

12th - Higher Ed
Pipes can freeze in the winter, but you never hear about fire hydrants freezing. What makes them safe from the cold temperatures in winter time?
Instructional Video3:16
SciShow

3 Neat Facts About Narwhals (Including: They're Real!)

12th - Higher Ed
In case you didn't know, not only are narwhals real, they're rad. Hank shares some little known facts about one of the least understood sea mammals, including some insights into why they're so hard to study, and what that big thing on...
Instructional Video4:10
SciShow Kids

Where Do Icicles Come From?

K - 5th
Winter means snow, and snow means lots of fun! Jessi and Squeaks love building snowmen and snow forts, but there's one really cool thing made of snow that they can't build themselves: icicles! Join them to learn how these natural winter...
Instructional Video5:16
TED-Ed

TED-Ed: What would happen if every human suddenly disappeared? - Dan Kwartler

Pre-K - Higher Ed
Human beings are everywhere. With settlements on every continent, we can be found in the most isolated corners of Earth's jungles, oceans and tundras. Our impact is so profound, most scientists believe humanity has left a permanent mark...
Instructional Video3:37
SciShow

When Winter Gives Dead Branches Hair

12th - Higher Ed
What is this strange looking stuff? Is this branch just covered in fungus!? Well, it’s not fungus...but fungus DOES have something to do with it!
Instructional Video4:45
Crash Course Kids

Normal Stuff in Not-So-Normal Places

3rd - 8th
So, what happens to normal stuff (like water) when it goes to not so normal places? What happens if you take a glass of water to the top of Mt. Everest? Or Space? In this episode of Crash Course Kids, Sabrina shows us how matter is...
Instructional Video2:23
SciShow

Why Is My Tongue Stuck to This Flagpole?

12th - Higher Ed
First of all, DON'T DO IT! But if you WERE to stick your tongue to a cold flagpole, why would it stick?
Instructional Video2:56
SciShow

Tractor Beams: Almost Real!

12th - Higher Ed
Hank tells us about some developments that are being made in the dramatic area of laser tractor beams.
Instructional Video5:15
SciShow

How to Stop Light in Its Tracks

12th - Higher Ed
Scientists have created beams of light that are slower than a car! Not only that, but with the literal flick of a switch, they can freeze that beam of light in place!
Instructional Video3:03
SciShow

Antarctica's Weird Warming

12th - Higher Ed
Hank gets to the bottom of two studies reporting high sea ice coverage and snowmass in Antarctica in the same year that the Arctic has reported a record low of sea ice. What is going on here?
Instructional Video3:40
SciShow

How Is That Not Killing You?

12th - Higher Ed
When Hank watches nature documentaries he always comes away with one big question: how is that not killing you? In today's episode of SciShow he looks at three unusual ways that animals manage not to get killed by nature.
Instructional Video3:24
SciShow

How to Supercool Water: A SciShow Experiment

12th - Higher Ed
Water doesn't always freeze when it's supposed to. Learn about supercooling, and how to supercool a bottle of water at home -- and then turn it to ice instantly!
Instructional Video2:10
SciShow

Does Hot Water Freeze Faster Than Cold Water?

12th - Higher Ed
Does hot water freeze faster than cold water? Turns out, the answer to this question is a lot trickier than it seems!
Instructional Video4:01
SciShow

Cryonics: Could We Really Bring People Back to Life?

12th - Higher Ed
You put a dying person in suspended animation until, possibly thousands of years from now, medical science is able to cure them... or their brain can be put in a sweet robot body. It's an age-old sci-fi trope, but there are scientists...
Instructional Video7:15
TED Talks

Sergey Brin: Why Google Glass?

12th - Higher Ed
It's not a demo, more of a philosophical argument: Why did Sergey Brin and his team at Google want to build an eye-mounted camera/computer, codenamed Glass? Onstage at TED2013, Brin calls for a new way of seeing our relationship with our...
Instructional Video0:38
SciShow

How do plants keep their roots cozy? #shorts #science #SciShow

12th - Higher Ed
How do plants keep their roots cozy? #shorts #science #SciShow
Instructional Video4:46
TED-Ed

TED-ED: The surprising reasons animals play dead - Tierney Thys

Pre-K - Higher Ed
From lemurs to lizards, ants to amphibians, sharks to chickens, hundreds of animals "play dead" as a survival tactic. But how and why do animals do this? Tierney Thys explains how this curious behavior, known as tonic immobility or TI...
Instructional Video4:34
SciShow Kids

The Secret of Frozen Frogs! | Winter Science | SciShow Kids

K - 5th
On a cold day, sometimes people will say "I'm freezing!," even though they aren't actually frozen like ice. But there is a very special animal that can say "I'm freezing" and mean it: wood frogs! Join Jessi and Squeaks to learn about the...
Instructional Video2:48
SciShow

How to Make Snow (If You're Not Elsa)

12th - Higher Ed
In this episode Hank explains how snow is made using science.