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...

What do you see in clouds? Bunnies? Zombies? The face of Nic Cage? There are some kinds of clouds that, while rare, make even weirder shapes -- like pancakes, rolling cylinders, and shimmery rainbows

Slime videos have been a popular trend on YouTube recently, but there are a few animals with their own versions of slime, which they use for some very cool things!

Devastating vulnerabilities are hiding in the technology in programs, protocols, and hardware all around us. Most of the time, you can find ways to protect yourself.

Hank tells us about the awesomeness of the periodic table and the genius of the man who invented it.

Claws, teeth, stingers... there are a lot of things that can make an animal look downright scary and dangerous. Sometimes, though, looks can be deceiving! Face your fears and learn about eight animals that use their tough looks to hide...

Slime videos have been a popular trend on YouTube recently, but there are a few animals with their own versions of slime, which they use for some very cool things!

Devastating vulnerabilities are hiding in the technology in programs, protocols, and hardware all around us. Most of the time, you can find ways to protect yourself.

Deep in the ocean lives a fish that seems pretty normal right up until dinner time, when it reveals its secret talent: devouring meals much larger than itself.

If you look through your glasses, binoculars or a window, you see the world on the other side. How is it that something so solid can be so invisible? Mark Miodownik melts the scientific secret behind amorphous solids.

Join Jessi and Squeaks to learn about a few animals with extreme teeth!

When you're working on a problem with lots of numbers, as in economics, cryptography or 3D graphics, it helps to organize those numbers into a grid, or matrix. Bill Shillito shows us how to work with matrices, with tips for adding,...

The useful glare-blocking properties of polarized sunglasses are well-known to just about anyone who goes outside. What isn't so well-known is how they reduce glare in the first place. That answer is deceptively complicated!

From Mendeleev’s original design to physicist-favorite “left-step” rendition, the periodic table of elements has gone through many iterations since it was first used to organize elements 150 years ago - each with its own useful insights...

This video demonstrates a useful trick for rearranging data in Excel using the "transpose" feature. The instructor starts by showing a list of cakes and their prices arranged in rows, explaining that this layout requires horizontal...

This video provides a comprehensive tutorial on utilizing pivot tables in Excel to summarize and manipulate data efficiently without altering the original worksheet. The instructor demonstrates how to set up a pivot table by selecting...

Howcast - Learn how to crochet a baby blanket from Lion Brand Yarn's Andrea Lemire in this Howcast video.

Howcast - Learn how to crochet a bag from Lion Brand Yarn's Andrea Lemire in this Howcast video.

Howcast - Learn how to crochet booties from Lion Brand Yarn's Andrea Lemire in this Howcast video.

Howcast - Learn about the offset function in this Excel Howcast tutorial with expert Shir Moscovitz.

Howcast - Learn basic navigation of cells, rows and columns in this Howcast Excel tutorial with expert Shir Moscovitz.

Howcast - Learn how to fix a dropped stitch in this knitting tutorial from Howcast.

Howcast - Learn how to do lace stitches in this knitting tutorial from Howcast.

Howcast - Learn how to do a basket weave stitch in this knitting tutorial from Howcast.