The ability to produce synthetic spider silk would give us bulletproof vests better than Kevlar, biocompatible sutures and wound dressings, and even space elevators. The problem is being able to make it in large amounts. One group may...

As the Earth warms due to human-caused climate change, billions of people in the developing world will face life-threatening heat waves, raising the demand for air conditioning. But powering all of that cooling is going to take more...

An athlete is preparing for a game. They've put on their gear and done their warmup, and now it's time for one more routine — stretching. Typically, athletes stretch before physical activity to avoid injuries like strains and tears. But...

Our universe started with the Big Bang, but how will it end? Explore cosmologists’ three possible scenarios: the Big Crunch, the Big Freeze and the Big Rip. -- We know about our universe’s past: the Big Bang theory predicts that all...

Maybe you'd like to just hear about one topic for a while. We understand. So today, let's just watch some videos about Gravity. We'll learn about why we don't fly off into space, what mass has to do with it, how does air resistance work,...

In this episode of Crash Course Kids, Sabrina talks about why things on the bottom of the Earth, don't just fall off into space. Plus... PENGUINS! This first series is based on 5th grade science. We're super excited and hope you enjoy...

Sometimes, Squeaks needs to recharge his batteries. And when he does, he hangs out in his room and listens to his favorite music!

Sam the Bat is visiting today, and Jessi wants to use a cool trick to show him how we use a special part of our body to sing.

If you've spent any time trying to explode a pumpkin with rubber bands you know that they have a distinct smell to them when stretched, and you have physics to thank for that.

Learn all about how sound works with Jessi and Squeaks on SciShow Kids!

How does a force between particles work? What causes an attraction or repulsion? Why does electromagnetism and gravity have infinite range, but the strong and weak force have a small range? Quantum chromodynamics...

Since electromagnetism is so strong, multiple protons in the nucleus of any atom like Helium should repel each other very strongly. So how do they stay glued together?...Because of a force that is even stronger...

QCD: Quantum Chromodynamics. How can positive protons be so close together in the nucleus, if they repel each other? Japanese physicist and Nobel laureate Hideki Yukawa sought to answer this question. He proposed...

Howcast - Learn how to do the jumping rubber band trick from professional illusionist Ben Nemzer in this Howcast magic tricks video.

Howcast - Learn how to create a half-up, half-down hairstyle with this Howcast hair tutorial featuring celebrity hairstylist Jacqueline Bush.

Howcast - Learn to make a princess doll cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 6 of a 6-part series.

Howcast - Learn how to do a French braid from professional hairstylist Joy La Rosa in this Howcast hair tutorial.

Howcast - Learn how to a Heidi braid aka a goddess braid or a Renaissance braid from professional hairstylist Joy La Rosa in this Howcast hair tutorial.

Howcast - Learn how to do a braid like Anne Hathaway from professional hairstylist Joy La Rosa in this Howcast hair tutorial.

Howcast - Learn how to do the jumping rubber band magic trick from Magician Roger "Rogue" Quan in this office magic tricks revealed video from Howcast.

Howcast - Learn how to do the rubber band through thumb magic trick from Magician Roger "Rogue" Quan in this office magic tricks revealed video from Howcast.

Howcast - Learn how to do the rubber band up your nose magic trick from Magician Roger "Rogue" Quan in this office magic tricks revealed video from Howcast.

Howcast - Learn how to do the rubber band cuffs escape from Magician Roger "Rogue" Quan in this office magic tricks revealed video from Howcast.

Howcast - Learn how to do the linking rubber band magic trick from Magician Roger "Rogue" Quan in this office magic tricks revealed video from Howcast.