S:1 E:17
Harnessing Nuclear Chain Reactions
Learn the fundamentals of nuclear reactor design, which has the task of sustaining nuclear reactions at a controlled rate...
S:1 E:21
Killing Cancer with Isotopes, X-Rays, Protons
High-energy radiation has been used against cancer tumors since the discovery of X-rays in 1895. Discover the...
S:1 E:3
Neolithic Farming, Trading, and Pottery
Though travel was dangerous, people transported valuable goods, like obsidian for knife blades, across hundreds of miles, perhaps...