04:03 Science & Technology The effects of underwater pressure on the body Lesson duration 04:03 628,826 Views
04:46 Psychology Earworms: Those songs that get stuck in your head Lesson duration 04:46 2,099,192 Views
04:51 Philosophy & Religion What did democracy really mean in Athens? Lesson duration 04:51 1,306,918 Views
03:53 Science & Technology Where did Earth’s water come from? Lesson duration 03:53 1,746,678 Views
04:42 Macroeconomics The real story behind Archimedes’ Eureka! Lesson duration 04:42 4,256,880 Views
05:45 Science & Technology Learning from smallpox: How to eradicate a disease Lesson duration 05:45 479,797 Views
04:10 Mathematics The last banana: A thought experiment in probability Lesson duration 04:10 1,654,384 Views