You know how you somehow end up getting smoke in your eyes wherever you stand around a bonfire? Well, it turns out that’s not a curse! It’s much more easily explained with physics. "The more protractors, the better the party." ~Hank Green

Hank gives you five MORE reasons why you should probably avoid smoking, or quit if you already smoke - in addition to those big ones you already know about. These are the weird reasons.

Did you know that smokers are twice as likely to have a heart attack? And that one in two smokers will die from a smoking-related disease. In fact all of these things are negatively affected by smoking… pretty much every organ in your...

Learn some neck and throat relaxation exercises to help with placement in American English pronunciation.

Get more out of your bean bag set with these great activities using Go Slow Whoa® Bean Bags. This combination of balance, tossing and teamwork is just a small sample of the hundreds of activities from the CATCH program.

Así como las personas hacen ciertas cosas para mantenerse saludables, la Tierra necesita ser tratada de formas específicas para mantener su salud. Este video analiza prácticas insostenibles que hacen que la Tierra se vuelva menos...

Sampling, appropriating, borrowing, stealing. Whatever you want to call it, artists have been copying since time immemorial. We look into the history of the practice, and share our theories of why it is done, and what it can offer us. To...

This video explores five fun facts about viruses.

This video discusses the drastic shift in societal views towards smoking over the past century, highlighting the harmful effects of smoking on the body, including immediate impacts such as increased blood pressure and long-term risks...

Water and oil do not mix (immiscible liquids) because water is polar and grease oil is non-polar. They do not form intermolecular bonds and instead repel each other. There is a separation of oil and water layers. The denser liquid...

This video explains how to use the SKF (Security Knowledge Framework).

The video is a lesson on fire safety and prevention. It discusses the importance of having smoke detectors and carbon monoxide detectors in the home, as well as creating and practicing an emergency escape plan. It also covers fire...

In which Stan Muller talks about some of the problems in Intellectual Property law as it exists today. He'll also teach you a little about how IP law applies to everyone's favorite media platform, YouTube. Lastly, he'll do a little...

Hidden in rocks once thought too old to contain complex life we may have found the animal kingdom’s oldest known predator.

Factorising Quadratics: Non-Monic | Algebra | Maths | FuseSchool In this video we’re going to discover how to factorise quadratics that don’t have 1 as the coefficient of the x-squared term. These are called non-monic quadratics. We can...

Sand strikers, also known as bobbit worms, are primitive-looking creatures that lack eyes, or even a brain. Despite this, they are savage predators who shoot out grapple-like hooks to reel in passing fish. From: CRAZY MONSTERS: