When temperatures get extreme, physics gets a little weird! Show physics scholars the lowest man-made temperature to date, as well as the extreme heat of the Big Bang using a video from an extensive playlist. The narrator explains some...

Big Bird and Elmo talk about health, including the importance of rest. This video discusses all of the things that children can do when they have free time; including reading a book, using their imagination, or just sitting. It's a great...

How did people from ancient civilizations make sense of the world around them? The second installment of the Crash Course World Mythology series explores the creation of the universe. Scholars learn about the creation myths associated...

Why would a text on silicon-29 cost over $8,000? Debbie Kays, a lecturer in inorganic chemistry at the University of Nottingham, tackles this question, first explaining why silicon-29 is so important and then offering reasons why the...