Geckos can grip and climb almost anything. Walking up walls, hanging upside down… even from glass. It’s almost like they can defy gravity. How do they do it? The secret lies in nanotechnology. I’ll tell you how that works and how...

You might want a really sturdy umbrella to dig into this video, because we’re discussing 5 animals that have a tendency to rain down from the sky and the reasons we think this might be happening!

Why do your fingers and toes get wrinkly when they’ve been in the water too long? Short answer: Your nerves. Longer answer: Evolution.

It's time to look at some of the most under-sung heroes of the film world, Grip and Electric. Doing everything from setting up dollies and tripods, to helping the cinematographer shape the light with flags and silks, the Grips are there...

Hank squares off against Crash Course Astronomy host Phil Plait in our special Valentine’s/Old Timey Medicine edition of SciShow Quiz Show!

A summertime look at why we sweat, why we burn, and why our fingers wrinkle in the pool

You might want a really sturdy umbrella to dig into this video, because we’re discussing 5 animals that have a tendency to rain down from the sky and the reasons we think this might be happening!

Why do your fingers and toes get wrinkly when they've been in the water too long? Short answer: Your nerves. Longer answer: Evolution.

Consider the claw. Frequently found on animals around the world, it's one of nature's most versatile tools. Bears use claws for digging as well as defense. An eagle's needle-like talons can pierce the skulls of their prey. Even the...

Why do fingers become pruney when they get wet? Likely, for the same reasons that tires have treads. Mark Changizi examines the evolutionary reasons for pruney fingers, while exploring natural and manmade phenomena, like river networks,...

Using robotics, laser rangefinders, GPS and smart feedback tools, Dennis Hong is building a car for drivers who are blind. It's not a "self-driving" car, he's careful to note, but a car in which a non-sighted driver can determine speed,...

Some call me a soul sonic superstar, says Jomama Jones, the alter ego of TED Fellow and theater artist Daniel Alexander Jones. In this stunning talk and performance, Jomama Jones invites us to consider how coming undone can be the first...

In the field of medical prosthetics, things are changing quickly. Learn about mind-controlled limbs, and research that suggests that we may be able to go high-tech with low-cost materials.

China is one of the fastest growing economies, but what challenges is it facing? Think strong bureaucratic controls, environmental degradation, and socioeconomic disparities between rich cities and poor rural areas. Grasp the issues and...

Howcast - Learn what gear to wear when you're b-boying in this Howcast breakdancing tutorial with choreographer Victor "Kid Glyde" Alicea.

Howcast - Learn how to get Lauren Conrad hair with this Howcast hair tutorial featuring celebrity hairstylist Jacqueline Bush.

Howcast - Learn how to create a few easy hair updos with bobby pins in this Howcast hair tutorial featuring celebrity hairstylist Jacqueline Bush.

Howcast - Learn how to get biceps like Jessica Biel's from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to do the downs palm magic trick from celebrity magician Matt Wayne in this Howcast video.

Howcast - Learn how to hold drumsticks from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn what a fulcrum point is from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn how to do a basic cheer pyramid from UCA instructor Ashley Cowan of Varsity.com in this Howcast video.

Howcast - Learn how to do a wood chop sit-up from certified personal trainer James Rizzo in this home ab workout video from Howcast.

Howcast - Learn about Michael A. Cohen of SHUT Skateboards, one of Howcast's experts in customizing skateboards, in this video.