Adding sand to beaches sounds like it's an oxymoronic thing to do, but it's totally a thing. And there's some major benefits, like protecting our coastlines from storms and conserving ecosystems. But there are also some major...

In environmental reporting, “it's not always about the big climate story,” says journalist Katherine Dunn. She challenges newsrooms to rethink how they cover climate change, connecting to the things readers love — whether that’s jobs,...

There's a few minerals that exhibit something called piezoelectricity and pyroelectricity, which mean that either heat or pressure can turn them electric. Here's a demo from the SciShow Rocks Box where you can see this for yourself - all...

How one of the introductory ideas in a field called "measure theory" can be thought of in terms of musical harnomy and dissonance.

You should always wear sunscreen when you're playing outside, but you may have noticed that animals are outside all the time and they don't need sunscreen. Why?

How one of the introductory ideas in a field called "measure theory" can be thought of in terms of musical harnomy and dissonance.

Chernobyl was the site of the world's worst nuclear accident and, for the past 27 years, the area around the plant has been known as the Exclusion Zone. And yet, a community of about 200 people live there -- almost all of them elderly...

Hank debunks several apocalypse theories that predict Earth's demise in 2012.

In 2011, journalist Bruno Torturra covered a protest in São Paulo which turned ugly. His experience of being teargassed had a profound effect on the way he thought about his work, and he quit his job to focus on broadcasting raw,...

Stay informed. Stay cautious, but not scared. Listen to scientists and public health officials and follow their guidance. By protecting yourself, you’re protecting the most vulnerable among us. Together we can flatten the curve on...

All plants start as seeds, and they can travel all over the world in lots of different ways. They might even hitch a ride on you!



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Cheyenne Cochrane explores the role that hair texture has played in the history of being black in America -- from the heat straightening products of the post-Civil War era to the thousands of women today who have decided to stop chasing...

There are a lot of weird places on Earth and our new series will explore some of the weirdest. Today Hank takes us to Göreme National Park in Turkey so we can learn about this region's fascinating geological history and about the people...

In this video, we introduce the concepts of network automation and programmability, key technologies transforming modern network management.

Howcast - Let professional makeup artist Patricia Longo teach you how to cover up a tattoo with makeup in this Howcast video.

Howcast - Learn how to make a baseball cap cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 3 of a 6-part series.

Howcast - Learn how to wrap dreads at night in this Howcast hair video about dreadlocks.

Howcast - Turn your scar into a canvas that will hold beautiful and priceless body art.

Howcast - Check out part 3 and beat Chapter 5 of Act 5 - "Ascension" with this online walkthrough for the third person action shooter "Gears of War 3".

Howcast - Learn how to do a palm strike in this self-defense video from Howcast.

Howcast -Ash Wednesday is a Christian holiday marking the beginning of Lent -- the period of fasting and repentance that precedes Easter. Here's how to comprehend its meaning and significance.

Howcast - You flick the switch and... everything's not illuminated? It may be your lamp needs a quick overhaul. Hey, lighten up, we're here to help.

Different types of bait require different methods of getting them onto the hook. Follow these steps.

Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...