TED Talks
TED: Will superintelligent AI end the world? | Eliezer Yudkowsky
Decision theorist Eliezer Yudkowsky has a simple message: superintelligent AI could probably kill us all. So the question becomes: Is it possible to build powerful artificial minds that are obedient, even benevolent? In a fiery talk,...
SciShow
Meet Nell: The Skeleton Rocket That Flew
In 1926, Robert Goddard launched Nell — the very first (successful) liquid fuel rocket. But Nell wasn't built like other modern rockets, including a notable lack of casing and an exhaust nozzle suspended above the propellant tanks.
SciShow
The Sun Is Green
The Sun is green, actually. We'll go into why the blackbody effect means the Sun emits more green visible light than any other color, and why evolution and color perception mean it's ok to see it as yellow, anyway.
SciShow
Why Are Snorkels So Short?
Have you ever longed to swim while wielding a longer snorkel? Well, there are a few reasons why they might be shorter than you'd like.
SciShow
Will Climate Change Turn More Reptiles Female?
We hear all the time about the ways that climate change could disrupt the world. But thanks to a quirk of reptile biology called temperature-based sex determination, it could also mean a surge in the numbers of female reptiles.
MinutePhysics
The Rocket & String Paradox
This video is about Bell's Spaceship Paradox of Special Relativity, wherein a pair of rockets (or spacecraft) connected by a weak thread accelerate with uniform acceleration, maintaining the same separation, and the question is: does the...
SciShow
This Neuron Helps People Walk Again | SciShow News
There’s been some big news in neuron science this week as individuals suffering paralysis regain mobility and music might have a secret that gets us to dance.
SciShow
How Does Cold Medicine Work?
The cold medicine you picked up at the store involves some cool chemistry to treat your symptoms. *Correction: This episode was written by Alison Caldwell.
SciShow
9 Amazing New Arachnid Species
Whether they’re dancing, hunting, or being a pain in the nose, these new arachnid species will knock all 8 of your socks off.
SciShow
5 Unexplainable Mysteries Explained by Science
Do you want to know how some of Earth's most fascinating mysteries have been solved by science? Join us and learn about 5 thought-to-be unexplainable mysteries—explained! Hosted by Hank Green.
SciShow
Why Are Puppy Eyes So Irresistible?
It’s so easy to forgive a dog, especially when they start with those puppy dog eyes. As it turns out, those puppy dog eyes and the effect they have are no accident and the result of centuries of domestication.
SciShow
Hacking the Brain: The Future of Prosthetics
We usually think of 'hacking' as a bad thing, but scientists are working on ways to hack the brain that will greatly benefit people with prosthetics, and maybe someday people with paralysis.
SciShow
Earth Has Another Magnetic Field
You probably know about the geomagnetic field that protects the earth from solar storms and radiation. But precision satellites have measured ANOTHER magnetic field coming from Earth, and its signals might hold the key to searching for...
SciShow
Catfish Walking on Land Find Water by its Smell
There’s a reason behind the saying “fish out water.” Fish don’t tend to do well if they’re not immersed in liquid. But walking catfish are surprisingly adept at making their way on land.
SciShow
Can It Be Too Hot To Fly?
How does heat affect airplanes? Turns out heat, speed and density connect to create dangerous situations.
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
What Did Dinosaurs Taste Like?
Have you ever wondered what dinosaur meat might have tasted like? Chances are you've eaten dinosaur more recently than you might expect.
SciShow
What are Those Things on Airplanes' Wings?
Have you ever wondered what those things are on airplane wings? You know, those little angled bits of metal? Watch to learn what they are and how they’re used!
SciShow
5 of the Most Important Inventions in Robotics
A lot of robots are developed to physically replicate our actions and behavior, like a bipedal, balanced walk, a large range of motion, and the ability to perceive and interact with the environment. But, maybe not to your surprise,...
SciShow
How Machines the Size of Molecules Could Change the World
Future advances in engineering may come from chemistry. From molecular motors to salt-shaker-drug-deliverers, the future looks small.
SciShow
How Tongues Helped Vertebrates Conquer Land
You might not think much of your tongue, but without it, we may have never conquered dry land and the world as we know it.
SciShow
Will You be Iron Man?
We have the technology! We can rebuild...ourselves! Human interface technologies like Google Glass, robotic prosthetics, and bionic eyes have the potential to help people recover lost abilities, but also to grant us new abilities. Will...
SciShow
Will Pangea Form Again? The Next Supercontinent on Earth
Did you know that in about 200 million years, Earth is due for another supercontinent? What exactly that supercontinent will look like, though, depends on a lot of geological factors, and is harder to guess at than you might think!...
SciShow
Why Lizards Don't Run Marathons
Lizards tend to scurry around in short bursts rather than running long distances, and the reason why might be nearly as old as life on land. Hosted by: Stefan Chin