In this episode of Crash Course Chemistry, Hank gives you the low down on things like London Dispersion Forces, Hydrogen Bonds, Cohesion, Adhesion, Viscosity, Capillary Action, Surface Tension, and why liquids are just......

Teflon was in the spacesuits the Apollo crew wore for the moon landing, in pipes and valves used in the Manhattan project, and it may be in your kitchen, as the nonstick coating on frying pans and cookie sheets. So what is this slippery...

The ozone appears to be healing itself but there's still plenty of research to be done to stay green! -And researchers are wanting to study MDMA.

Have you ever thought about all the different kinds of groups you’re a part of? Like, there’s the friends you hang out with and your family, your hockey team, your Crash Course fan club, and that’s just for starters! And even though...

The idea of putting blood into a person was a radical one when it was first attempted 350 years ago, but today, more than 15 million pints of blood are donated each year in the U.S. to be used in transfusions to over 5 million patients. ...

Which of the following is risky behavior: a person taking cholesterol medicine with grapefruit juice? Or a person taking Acetaminophen before going out for drinks? Or a person on blood thinners who takes an aspirin? Turns out, all of...

Water can dissolve more substances than anything else on earth...so why doesn't it dissolve everything away?

You may not think much about moss, but it has a hidden super power, and it's been used to save countless lives.

Mr. Andersen gives a brief description of matter. The five states of matter are also discussed.

Hank teaches us why water is one of the most fascinating and important substances in the universe.

In the world of chemistry, an "organic" compound is often described as anything with carbon in it, and "organic chemistry" is the study of carbon compounds, but there is actually no single definition of what "organic" means in chemistry,...

Hank reaches the fourth and final of the four fundamental interactions in physics: electromagnetism. In this part, he teaches us about the electrostatic force, which builds up a charge in an object and can travel in the form of an...

We’ve told you before that there really isn’t any evidence that animals consume mind-altering substances because they feel good to them. This makes it appear that the fondness for psychoactive drugs is, pretty...human. What is it about...

So, we know what materials are, but can we make new materials? Or improve the materials we already have? In this episode of Crash Course Kids, Sabrina shows us how Material Scientists are working on these two things today. Also, your...

Live-action video footage illustrates whether the mixing of two or more substances results in new substances. Step-by-step instructions help students set up their own investigation to prove this concept. This video correlates to the Next...

Recently, a number of outlets, including the Washington Post, reported on a study about the alarming rise in children who were exposed to parents' marijuana edibles. As always, it's important to view these things in context, and think...

I don't know why, but you all keep asking for an episode on nootropics. For those of you who aren't in the know, those are drugs which are supposed to enhance cognitive function. Nootropics are the topic of this week's Healthcare Triage.

With all the recent studies of medical marijuana and its benefits, some researchers have become interested in researching the use of psychedelics like psilocybin, LSD, and MDMA for treating mental illness. It's hard to research though,...

Howcast - Learn about the stigma and discrimination that medical marijuana patients can experience in this Howcast video.

Howcast - Learn what the most addictive substance is from Dr. Paul Hokemeyer in this Howcast video.

Howcast - Learn about common causes of substance abuse and addiction from Dr. Paul Hokemeyer in this Howcast video.

Howcast - Learn about the link between schizophrenia and substance abuse from psychiatrist Jeanie Tse and schizophrenic Anthony Newton in this Howcast video.

Howcast - Learn if schizophrenia can be prevented from psychiatrist Jeanie Tse in this Howcast video.

Biotechnology is revolutionizing the drug discovery process with the development of biochips. These innovative chips, such as the optical flow through chip, allow for faster and more accurate analysis of genetic material, leading to the...