04:57 Design, Engineering & Technology Camera or eye: Which sees better? Lesson duration 04:57 1,609,224 Views
04:03 Science & Technology The effects of underwater pressure on the body Lesson duration 04:03 628,218 Views
04:46 Psychology Earworms: Those songs that get stuck in your head Lesson duration 04:46 2,098,281 Views
04:51 Philosophy & Religion What did democracy really mean in Athens? Lesson duration 04:51 1,303,958 Views
03:53 Science & Technology Where did Earth’s water come from? Lesson duration 03:53 1,745,376 Views
04:42 Macroeconomics The real story behind Archimedes’ Eureka! Lesson duration 04:42 4,254,838 Views
05:45 Science & Technology Learning from smallpox: How to eradicate a disease Lesson duration 05:45 479,538 Views
04:10 Mathematics The last banana: A thought experiment in probability Lesson duration 04:10 1,653,699 Views