Curated Video
Sustainable farming helps protect native trees
CAMEROON BARKSOURCE: AP HORIZONS, LIFESTYLE, HEALTH AND TECHNOLOGY RESTRICTIONS: HORIZONS CLIENTS AND AP LIFESTYLE, HEALTH AND TECHNOLOGY CLIENTS ONLYLENGTH: 6:29SHOTLIST:AP TelevisionNjinikom, Cameroon - 16 August 20161. Various of a...
PBS
The Future of Space Telescopes
The Kepler mission has determined that terrestrial planets are extremely common, and may orbit most stars in the Milky Way. But these planets are difficult to directly image because they're dense and small. Our Sun is about ten billion...
SciShow
Pluto's Runaway Atmosphere, and Earth's 'Cousin'
According to some of the latest New Horizons data, Pluto's got flowing nitrogen ice and only half the atmosphere it had two years ago. Plus, the latest batch of exoplanets includes a world that's a lot like Earth... probably.
TED-Ed
TED-Ed: Do larger animals take longer to pee? | David L. Hu
A cat's bladder can only store a golf ball's worth of urine. For humans, it's a coffee mug and for elephants, a kitchen trash can. An elephant's bladder is 400 times the size of a cat's, but it doesn't take an elephant 400 times longer...
PBS
Telescopes on the Moon
Find out about China's current telescope on the moon and what the future plans are for mounting larger telescopes on the lunar surface.
SciShow
Happy Tau Day!
June 28 is Tau Day! Join SciShow as we celebrate circles by exploring the many uses of twice pi.
PBS
Telescopes of Tomorrow
The telescopes of tomorrow will see in infrared and ultraviolet. They will peer through space and scan across time. They will allow us to find new supernovae, spot potentially hazardous asteroids, better understand dark energy and peer...
SciShow
What's It Like On Mercury?
SciShow Space takes you on a tour of Mercury, the sun's closest friend, where a year is just a day and half long, and the surface holds many surprises -- like ice!
SciShow
Mimas: The Real-Life Death Star
One of Saturn's moons looks a lot like an infamous planet-destroying battle station from science fiction, but astronomers have some very real theories about the complex crater that gives Mimas its unique feature.
SciShow
The Most Common Planet in the Universe?
There’s one kind of planet we’ve found more often than any other in the universe so far: mini-Neptunes. Now, some scientists think they’ve figured out why there are just so many of them.
TED-Ed
TED-ED: How small are we in the scale of the universe? - Alex Hofeldt
In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky _ what, if anything, was going to show up? But what came back was nothing...
SciShow
The Leviathan of Parsonstown
In the 1800s, William Parsons built a telescope larger than any in the world: The Leviathan of Parsonstown. This landmark in science history helped solve the mystery of just what a nebula could be.
SciShow
How Science Solved the Giant Eyeball Mystery
Hank combines two of his favorite things - talking to scientists and strange things washing up on the beach - to bring you the Mystery of the Giant Eyeball.
PBS
5 Ways to Stop a Killer Asteroid
When it comes to dangerous asteroids striking Earth, it's not a matter of if, it's a matter of when. We have begun to track projectiles large enough to destroy our planet, and we are in the clear for the foreseeable future. However,...
SciShow
The Future of Space Telescopes: Umbrellas & Glitter!
After Hubble and Webb, what's the future of space telescopes? Two ideas in planning stages right now involve the space-age versions of umbrellas and glitter.
TED Talks
Tom Shannon: Anti-gravity sculpture
Tom Shannon shows off his gravity-defying, otherworldly sculpture -- made of simple, earthly materials -- that floats and spins like planets on magnets and suspension wire. It's science-inspired art at its most heavenly.
TED-Ed
TED-Ed: The infinite life of pi - Reynaldo Lopes
The ratio of a circle's circumference to its diameter is always the same: 3.14159 and on and on (literally!) forever. This irrational number, pi, has an infinite number of digits, so we'll never figure out its exact value no matter how...
TED-Ed
TED-Ed: Why are manhole covers round? - Marc Chamberland
Why are most manhole covers round? Sure it makes them easy to roll, and slide into place in any alignment. But there's another, more compelling reason, involving a peculiar geometric property of circles and other shapes. Marc Chamberland...
SciShow
How Jupiter’s Moons Showed Us the Speed of Light
Light travels through space as fast as anything in the universe possibly can, but before scientists could figure out light’s speed, they had to figure out whether that speed was even finite.
Crash Course
Blood Vessels, part 2: Crash Course A&P
And now we return to blood vessels. In this episode, we start discussing what blood pressure is, how it can become "high", and what that means for our health. One of the more interesting points is that your body has ways of dealing with...
SciShow
The Supernova of 1054, Our Very Special Guest Star
All of humanity likely saw it, a brilliant supernova that lit up the daytime sky in 1054. But 960 years later, there’s still a lot we dont quite understand about the famous celestial phenomenon.
SciShow
π 'N' Science
It's pi day! Hank explains why this irrational number is important to scientists, and discusses a bit of a controversy that surrounds it.
SciShow
The Most Sophisticated Mirror in the Universe
Hank summarizes the five reasons why infrared telescopes were supposed to be impossible to build, and then describes how a team of scientists and engineers overcame those obstacles to build the James Webb Space Telescope.
SciShow
The Biggest Stars in the Galaxy
Learn about hypergiant stars -- stars that make the sun look ridiculously tiny.