The Inca Empire used bundles of knotted string called khipu to store and convey information. But how do you read a bunch of strings? And was this a unique form of writing... or knot?<b<br/>r/>

Hosted by: Stefan Chin

Ready your puns, viewers! From sick worm kings to uncomfortable floating snakes, today's episode is all about four types of animals that can get tied up in knots (either intentionally or...knot).

How exactly does gender work? It's not just about our chromosomes, says biologist Karissa Sanbonmatsu. In a visionary talk, she shares new discoveries from epigenetics, the emerging study of how DNA activity can permanently change based...

When you think about math, what do you think of? Numbers? Equations? Patterns maybe? How about.... knots? As in, actual tangles and knots?

Knots are everywhere in our daily lives, but a new branch of mathematics is taking things to the next level.

Is there any hope for those of us plagued by headphone tangles?

Howcast - Learn how to make a no-sew scarf out of an old t-shirt with designer Jennifer Wiese in this Howcast video, part 3 of a 3-part series.

Howcast - Learn how to use sliding knots to make leather bracelets with this Howcast video about how to make jewelry.

Howcast - Learn how to make a leather rattail necklace or wrap bracelet with wood beads with this Howcast video about how to make jewelry.

Howcast - Learn how to string beads on leather with this Howcast video about how to make jewelry.

Howcast - Learn how to count from 11 to 20 in Russian with this online Russian language lesson from Howcast.

Howcast - Learn the benefits of using a foam roller from certified NYC trainer Amanda Edell in this Howcast video.

Howcast - Learn about the six supplies you need to make friendship bracelets from The Lanyard Ladies in this Howcast video.

Ouch, ouch, ouch! Stop pulling your hair out and get those stubborn knots out without causing damage to your tender scalp.

Fun and funky, this no-sew safety pin hobo purse is inexpensive and easy to make. Craft one in every color to match your summer wardrobe.

Earphones - what could we do without them? And because you take them with your everywhere, they regularly get knotted and tangled up in your pocket or bag. Here's a short trick to wrap them right so that they...

Fire needs to learn how to tie knots in order to join Simka and Nolik's pirate crew. He gets completely carried away and starts tying knots in just about everything!

Find out how early explorers navigated the seas before they had maps to guide them.
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Learning Points
Fifteenth-century explorers used de
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Dive into the world of the Vikings and their iconic longships, marvels of ancient engineering that facilitated far-reaching raids and trade. This video reveals why these ships were crucial to Viking explorations and strategies,...

Word Problem vectors find the resultant vector

These short, simple life hacks are based on physics. Detangle your headphones, remove sticker residue, check if sunglasses are polarized, cool your car faster, and avoid getting static shock!

DIY Science - Make a colored vortex ring in the pool

The modal verb "would" is the past of will, and is mostly used in the 2nd and 3rd conditionals. However, it is also used in other situations for example for polite requests. Mr. P. will list other situations where we could use...

Hagfish are slimy sea noodles that wear their skin like a pair of loose pajamas... and that isn't the weirdest thing about them.