For decades, researchers thought they had a solid idea about the earliest booms in animal life. But new research might have turned off the gas on all these ideas, flipping our understanding of the Avalon explosion and the Cambrian...

In your brain the right side controls the left half of your body and vice versa. We still aren't sure why this is, but some scientists have come up with a pretty bizarre explanation: that some ancient vertebrate ancestor was born with...

Mike Rugnetta is going to tell you stories of death, destruction, divine judgment, damnation, and the occasional happy ending. That's right, this week we're talking about the Apocalypse. Actually we're talking about a bunch of ways the...

Teach your teacher: the collapse of the Tacoma Narrows bridge WASN'T resonance.

The DNA inside our cells almost exclusively twists in one direction, but the reason for this might be out of this world!

You might finally be able to watch that 4k video without buffering, thanks to quantum mechanics and orbital angular momentum.

There’s more to DNA than just the double helix we know and love: under some conditions this familiar molecule can take on unfamiliar forms, each of which can have a different impact on our health.

Sitting around a campfire, you can feel its heat, smell the woody smoke, and hear it crackle. If you get too close, it burns your eyes and stings your nostrils. You could stare at the bright flames forever as they twist and flicker in...

Hank takes you through the weird, twisted forests of Russia and Eastern Europe, where trees grow at odd angles. What caused trees to grow into big wooden pretzels? Was it wind? Manipulation by woodworkers? Nazis, maybe? See for yourself...

Marco Tempest spins a beautiful story of what magic is, how it entertains us and how it highlights our humanity -- all while working extraordinary illusions with his hands and an augmented reality machine.

Why do we dance? African-American social dances started as a way for enslaved Africans to keep cultural traditions alive and retain a sense of inner freedom. They remain an affirmation of identity and independence. In this electric...

Tornadoes are one of nature’s most powerful forces -- see where they come from, how fast they go, and how scientists study them!

This video has kids practice first tapping out sounds to a short vowel word with blends. Then, they map it or turn the sounds into letters, and finally they spell the word. This is great practice for beginning readers and writers and...

Why Is She Gathering Seaweed? Ocean Secrets Unlocked!

This video explains situational irony.

Howcast - The modern knot is an updated version of the classic chignon. Here’s how to get the look.

Howcast - The classic French twist is incredibly elegant, and it’s so easy to do.

Howcast - The trick is to pop the cork with style and flair—and without creating a dangerous projectile.

Howcast - If your latest do is a big fat don't, this guide will help you give your hair a whole new look with a twist or two.

Howcast - Learn how to walk it out from choreographer Randy Connor in this hip-hop dance video from Howcast.

Howcast - Learn how to make a balloon bear by following magician Jonas Cain's step-by-step instructions in this Howcast video.

Howcast - Learn how to make a balloon flower by following magician Jonas Cain's step-by-step instructions in this Howcast video.

Howcast - Learn how to get started as a balloon animal artist from magician Jonas Cain in this Howcast video.

Howcast - Learn the basic techniques of making balloon animals from magician Jonas Cain in this Howcast video.