03:52 Science & Technology All of the energy in the universe is... Lesson duration 03:52 Manage Library 434,823 Views
04:31 Civics The fight for the right to vote in the United States Lesson duration 04:31 Manage Library 768,576 Views
03:25 Physical Science The deadly irony of gunpowder Lesson duration 03:25 Manage Library 3,054,538 Views
02:18 Literature & Language Mysteries of vernacular: Robot Lesson duration 02:18 Manage Library 112,372 Views
06:57 Anthropology Vampires: Folklore, fantasy and fact Lesson duration 06:57 Manage Library 3,781,591 Views
04:34 Public Health How we conquered the deadly smallpox virus Lesson duration 04:34 Manage Library 8,823,860 Views
03:48 Physical Science The strengths and weaknesses of acids and bases Lesson duration 03:48 Manage Library 1,023,227 Views
03:56 Physical Science Why does ice float in water? Lesson duration 03:56 Manage Library 1,832,393 Views
03:48 Physical Science What is the shape of a molecule? Lesson duration 03:48 Manage Library 321,618 Views
03:47 Physical Science The uncertain location of electrons Lesson duration 03:47 Manage Library 882,212 Views
05:03 Physical Science Why don’t oil and water mix? Lesson duration 05:03 Manage Library 1,232,368 Views
04:08 Performing Arts The science of stage fright (and how to overcome it) Lesson duration 04:08 Manage Library 1,605,388 Views
04:00 Earth and Space Science Why extremophiles bode well for life beyond Earth Lesson duration 04:00 Manage Library 139,495 Views
03:57 Literature & Language Speech acts: Constative and performative Lesson duration 03:57 Manage Library 207,441 Views
04:33 History The most groundbreaking scientist you've never heard of Lesson duration 04:33 Manage Library 3,014,905 Views
