04:18 Social Studies Why is the US Constitution so hard to amend? Lesson duration 04:18 Manage Library 986,092 Views
04:39 Psychology The psychology behind irrational decisions Lesson duration 04:39 Manage Library 2,287,767 Views
04:24 Physical Science How do we separate the seemingly inseparable? Lesson duration 04:24 Manage Library 732,987 Views
04:54 Literature & Language Who IS Sherlock Holmes? Lesson duration 04:54 Manage Library 2,483,974 Views
04:46 Environmental Science The threat of invasive species Lesson duration 04:46 Manage Library 2,151,530 Views
04:39 Environmental Science Can plants talk to each other? Lesson duration 04:39 Manage Library 402,406 Views
04:58 Nature of Science Why do cats act so weird? Lesson duration 04:58 Manage Library 12,263,073 Views
04:43 Science & Technology The Turing test: Can a computer pass for a human? Lesson duration 04:43 Manage Library 1,587,011 Views
05:01 Growth & Development The surprising reason you feel awful when you're sick Lesson duration 05:01 Manage Library 4,138,415 Views
04:03 Data Analysis & Probability Should you trust unanimous decisions? Lesson duration 04:03 Manage Library 4,320,647 Views
04:23 Environmental Science Why the insect brain is so incredible Lesson duration 04:23 Manage Library 699,862 Views
04:53 Science & Technology Why is Mount Everest so tall? Lesson duration 04:53 Manage Library 2,840,974 Views
04:38 Growth & Development The power of the placebo effect Lesson duration 04:38 Manage Library 4,555,526 Views
06:07 Science & Technology How do schools of fish swim in harmony? Lesson duration 06:07 Manage Library 678,643 Views
04:52 Nutrition What would happen if you didn’t drink water? Lesson duration 04:52 Manage Library 21,501,364 Views
03:50 Data Analysis & Probability Can you solve the locker riddle? Lesson duration 03:50 Manage Library 11,516,230 Views
04:44 Science & Technology The invisible motion of still objects Lesson duration 04:44 Manage Library 318,725 Views
04:17 Performing Arts The physics of the "hardest move" in ballet Lesson duration 04:17 Manage Library 2,523,504 Views