Instructional Video4:29
SciShow

An Asteroid Visited Us From Outside the Solar System!

12th - Higher Ed
Earth has received its first speedy visitor from another star system, A/2017 U1, and the Dawn Mission has helped astronomers gather more evidence about possible former oceans on Ceres.
Instructional Video5:50
SciShow

Cassini's Dangerous Dives Through Saturn's Rings

12th - Higher Ed
The Cassini probe is getting more dangerous assignments as its mission nears its end, and the sun's surface may be simpler than we once thought.
Instructional Video3:37
SciShow

Why Do Flamingos Stand on One Leg?

12th - Higher Ed
It seems like kind of an awkward way to spend most of your time, but flamingos seem perfectly happy to hang out on one leg. For a long time, people assumed they were trying to conserve heat. But thanks to some unusual research, we now...
Instructional Video4:55
SciShow

How Does Space Change Your Brain?

12th - Higher Ed
We've been sending people to space since the '60s, and we're just now starting to learn what that does to their brains.
Instructional Video11:05
SciShow

Why Do People Say We've Reached the End of Physics?

12th - Higher Ed
Our fundamental picture of the universe seems pretty nearly complete these days, to the point that some people are suggesting that we’ve arrived at some version of “the end of physics.” And sure, physics is at a turning point, but it...
Instructional Video4:37
SciShow

The Great Attractor: A Truly Massive Mystery

12th - Higher Ed
There's something out there SO massive that it's pulling on every object within hundreds of millions of light years. But we can't see it! So what DO we know? Today on SciShow Space, Reid Reimers tells us more about the Great Attractor.
Instructional Video4:20
SciShow

The Truth About the Sun's 'Twin' and the Dinosaurs

12th - Higher Ed
Researchers published a paper last month, exploring the possibility that our sun might have once had a stellar twin! Could our solar system have once been a binary, or even a multi-star system?
Instructional Video4:02
SciShow

Space Robots That Hop

12th - Higher Ed
Have you ever wanted to know what it would be like to have an army of hopping robots? NASA might bring that dream to life as we explore our solar system.
Instructional Video8:52
PBS

General Relativity & Curved Spacetime Explained!

12th - Higher Ed
We've been through the first few episodes of our crash course on general relativity, and came out alive! But it's officially "time" for CURVED spacetime. Join Gabe on this week's episode of PBS Space Time as he discusses Newton and...
Instructional Video6:53
SciShow

The Secrets to Living on Mars Wine and Aerogel - SciShow News

12th - Higher Ed
One day we might be able to live on Mars thanks to red wine, and domes made out of a very strange material, but don't pack your suitcase just yet.
Instructional Video5:52
SciShow

A Telescope Bigger Than the Solar System

12th - Higher Ed
It turns out if you’d like to take a deeper look into the universe, the universe itself might actually help you do that!
Instructional Video4:02
TED Talks

Peter Diamandis: Stephen Hawking's zero g flight

12th - Higher Ed
X Prize founder Peter Diamandis talks about how he helped Stephen Hawking fulfill his dream of going to space -- by flying together into the upper atmosphere and experiencing weightlessness at zero g.
Instructional Video1:47
SciShow

Why Isn't "Zero G" the Same as "Zero Gravity"?

12th - Higher Ed
This Quick Question explains the difference between gravity and g-force, and how you can experience zero-g in space even when it’s not zero gravity!
Instructional Video5:24
SciShow

Space Guns Don't Work (But We Built One Anyway)

12th - Higher Ed
Before we had rockets like the Falcon 9, we had other ideas of how we might shoot for the moon: space guns!
Instructional Video4:41
TED-Ed

TED-Ed: Valentin Hammoudi: How tall can a tree grow?

Pre-K - Higher Ed
Reaching heights of over 100 meters, Californian sequoias tower over Earth's other 60,000 tree species. But even these behemoths seem to have their limits: no sequoia on record has been able to grow taller than 130 meters. So what...
Instructional Video5:26
SciShow

Take a Ride on the Interplanetary Superhighway

12th - Higher Ed
Normal interplanetary travel uses lots of fuel, but taking advantage of some quirks of gravity can let us travel between planets using hardly any fuel at all.
Instructional Video4:11
SciShow

Why These Two Planets SHOULD Be the Same

12th - Higher Ed
You'd think that two planets with similar stats, orbits, and parent stars would grow up to be pretty similar, but these twins have atmospheres that beg to differ.
Instructional Video3:07
SciShow

Gravitation: The Four Fundamental Forces of Physics #3

12th - Higher Ed
Hank continues our series on the four fundamental forces of physics with a description of gravitation -the interaction by which physical bodies attract with a force proportional to that of their masses, and which is responsible for...
Instructional Video11:29
SciShow

7 Ways We Know What's Inside the Earth

12th - Higher Ed
Thanks to some amazing scientific insights, we know a lot about the interior of our planet - even though we’ve never even made it through the crust.
Instructional Video3:28
SciShow

Why Doesn't Earth Have Rings?

12th - Higher Ed
Plenty of other planets in the Solar System have rings. So why not Earth?
Instructional Video2:50
SciShow

Skateboarding Science: Master the Ollie!

12th - Higher Ed
If most people got on a skateboard, they would roll forward slowly for a few feet, then fall down and break their wrists. But there are a proud few who can do some pretty amazing tricks on a board, and they use physics to pull them off....
Instructional Video1:25
MinutePhysics

What is Gravity?

12th - Higher Ed
In this episode, we discuss the basic nature of gravity, one of the four fundamental forces in our universe.
Instructional Video5:08
SciShow

Why Up Matters to Your Brain

12th - Higher Ed
Gravity may be doing a lot more than just keeping us planted on the Earth. Scientists are learning that it’s also a key player in how we perceive things.
Instructional Video4:36
SciShow

3 Ways Pi Can Explain Practically Everything

12th - Higher Ed
What’s irrational and never ends? Pi! Hank explains how we need pi to explain some of the most basic but most important principles of the universe, in honor of Pi Day.