Crash Course
Mythical Horses: Crash Course World Mythology #37
Horses have been human companions for thousands of years, and have been essential companions and tools for the development of human culture. So, it makes sense that horses would make their way into our most important stories. Today,...
SciShow
Getting Free Serotonin from Nature | Compilation
Serotonin is the chemical messenger we can thank for being related to feelings of happiness, and one of the ways you can produce this chemical is to turn to our old friend nature! So maybe a visit to the dog park really can make you feel...
SciShow
Dangerous Soaps: How Animals Use Surfactants
When you think of surfactants, you might think of soaps, detergents and other man-made chemicals. But it turns out that some other animals utilize their own versions of these sudsy molecules.
Curated Video
Epidemics
They’re diseases that affect people living in a single country or region – but what impact have historic epidemics had on US society?