04:39 Geometry How the Königsberg bridge problem changed mathematics Lesson duration 04:39 1,423,485 Views
10:09 Global Economics Why can't we just print money to pay off debt? Lesson duration 10:09 4,188,013 Views
01:48 Design, Engineering & Technology How coffee got quicker | Moments of Vision 2 Lesson duration 01:48 456,197 Views
12:08 History The missing plague that could have changed history Lesson duration 12:08 11,901,827 Views
04:10 Science & Technology Rosalind Franklin: DNA's unsung hero Lesson duration 04:10 1,688,322 Views
05:04 Literature & Language What makes something "Kafkaesque"? Lesson duration 05:04 13,296,072 Views
04:12 Design, Engineering & Technology How to fly around the world without fuel Lesson duration 04:12 40,485 Views
03:51 Design, Engineering & Technology It's not you. Claw machines are rigged. Lesson duration 03:51 10,018,053 Views
07:13 Earth and Space Science What if everyone jumped at once? Lesson duration 07:13 40,178,731 Views
04:33 History Why wasn’t the Bill of Rights originally in the US Constitution? Lesson duration 04:33 986,383 Views
10:52 Philosophy Ralph Waldo Emerson and the Beauty of the Everyday Lesson duration 10:52 1,133,245 Views
04:18 Social Studies Why is the US Constitution so hard to amend? Lesson duration 04:18 1,125,837 Views