Hank tells you about cavitation - the power of tiny bubbles to weaken metal, kill fish & maybe even cure cancer.

You use paper towels to dry your hands every day, but chances are, you're doing it wrong. In this enlightening and funny short talk, Joe Smith reveals the trick to perfect paper towel technique.

What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway? In this video you'll learn what makes sound

Avalanches can be powerful and dangerous, but not all of them are created equal, and not everything you've seen on TV is likely to actually set one off.

Poet Suheir Hammad performs two spine-tingling spoken-word pieces: "What I Will" and "break (clustered)" -- meditations on war and peace, on women and power. Wait for the astonishing line: "Do not fear what has blown up. If you must,...

It's an old cliche: an opera singer hits a note so high, it breaks a wine glass. It may seem over the top, but with a little science (and an amp), you too can break a glass like the finest soprano!

We may not be as deeply divided as we think -- at least when it comes to health, says Rebecca Onie. In a talk that cuts through the noise, Onie shares research that shows how, even across economic, political and racial divides, Americans...

The sounds we hear every day really do have effects on our health. Not just our ears, but our hearts and even our brains.

A SciShow Kids viewer wants to know, 'Why do lightning and thunder happen?' Get your raincoat, because Jessi will take you inside a thunderstorm to give you the answer!

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

With enough passion and practice, becoming a slam poet is within your reach. Explore a distant memory on paper, then read it out loud. Edit. Try reading it out loud again, and add your finishing touches. Gayle Danley offers five steps to...

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

Explore the amazing world of sound with "The Ear Song"! Perfect for kids, this catchy tune will spark your imagination and teach you all about the wonders of how our ears help us hear.

🎉 Let’s learn the SH sound together! In this fun and interactive video, kids will explore the SH digraph through songs, games, flashcards, and more. Perfect for kindergarten and early elementary learners, this phonics lesson helps...

This video explains homophones, provides examples, and discusses the implications of incorrectly using them in writing.

This video explores how poets use various sound devices, such as alliteration, assonance, consonance, onomatopoeia, and rhyme, to enhance the auditory experience of a poem. By connecting sound to imagery, poets create vivid and...

This video, entitled "Types of Dialogue," explains the difference between and uses for monologue, dialogue, aside, and soliloquy.

Howcast - Learn about raising good children and make the hardest job in the world more successful and fulfilling for you and your children.

Howcast - Learn how to plan a Las Vegas vacation from Sin City expert Mike Myers in this Howcast video.

Howcast - Learn everything you ever wanted to know about subwoofers in this Howcast car stereo video with expert Movin' On.

Howcast - Learn how to do beatbox tongue clicks in this Howcast video with Beatboxer Entertainment.

Howcast - Discover how to learn a cheerleading dance from UCA instructor Ashley Cowan of Varsity.com in this Howcast video.

Howcast - Learn four tips for buying an accordion from musician / Broadway actress Katrina Yaukey in this Howcast video.

Howcast - Check out part 7 of this L.A. Noire walkthrough and beat "Buyer Beware" with this online demo.