Crash Course Chemistry: The Atomic Nucleus

So, what is chemistry, anyway?

Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff. Chemistry can tell us how three tiny particles - the proton, neutron and electron - come together in trillions of combinations to form ... everything. In this inaugural episode of Crash Course Chemistry, we start out with one of the biggest ideas in chemistry ever - stuff is made from atoms. More specifically, we learn about the properties of the nucleus and why they are important to defining what an atom actually is.


CrashCourse: Mesopotamia

Crash Course World History #3

In which John presents Mesopotamia, and the early civilizations that arose around the Fertile Crescent. Topics covered include the birth of territorial kingdoms, empires, Neo-Assyrian torture tactics, sacred marriages, ancient labor practices, the world's first law code, and the great failed romance of John's undergrad years.


Daily Show: Tortured Logic

John Oliver remembers all the words that have lost their meaning in the war on terror.

From The Daily Show with Jon Stewart.