04:39 Geometry How the Königsberg bridge problem changed mathematics Lesson duration 04:39 1,422,427 Views
10:09 Global Economics Why can't we just print money to pay off debt? Lesson duration 10:09 4,187,783 Views
01:48 Design, Engineering & Technology How coffee got quicker | Moments of Vision 2 Lesson duration 01:48 456,131 Views
12:08 History The missing plague that could have changed history Lesson duration 12:08 11,890,243 Views
04:10 Science & Technology Rosalind Franklin: DNA's unsung hero Lesson duration 04:10 1,684,364 Views
05:04 Literature & Language What makes something "Kafkaesque"? Lesson duration 05:04 13,290,057 Views
04:12 Design, Engineering & Technology How to fly around the world without fuel Lesson duration 04:12 40,461 Views
03:51 Design, Engineering & Technology It's not you. Claw machines are rigged. Lesson duration 03:51 10,017,771 Views
07:13 Earth and Space Science What if everyone jumped at once? Lesson duration 07:13 40,172,810 Views
04:33 History Why wasn’t the Bill of Rights originally in the US Constitution? Lesson duration 04:33 985,297 Views
10:52 Philosophy Ralph Waldo Emerson and the Beauty of the Everyday Lesson duration 10:52 1,132,106 Views
04:18 Social Studies Why is the US Constitution so hard to amend? Lesson duration 04:18 1,124,417 Views