06:40 Science & Technology The human back is a design disaster Lesson duration 06:40 Manage Library 1,617,949 Views
04:47 Social Studies Why is this 2,500 year old shipwreck so well-preserved? Lesson duration 04:47 Manage Library 445,028 Views
04:35 Social Studies What happened to the lost Kingdom of Kush? Lesson duration 04:35 Manage Library 945,772 Views
05:26 Literature & Language Ancient Greece's greatest popstar Lesson duration 05:26 Manage Library 686,835 Views
04:32 Social Studies The forgotten queen of Egypt Lesson duration 04:32 Manage Library 1,168,973 Views
05:18 The Arts The secrets of the world’s most famous symphony Lesson duration 05:18 Manage Library 1,708,111 Views
22:09 Mathematics The simplest math problem no one can solve Lesson duration 22:09 Manage Library 40,039,887 Views
04:57 Linguistics What makes a language... a language? Lesson duration 04:57 Manage Library 754,168 Views
05:52 History The rise and fall of the Lakota Empire Lesson duration 05:52 Manage Library 576,939 Views
04:48 Social Studies The infamous overpopulation bet: Simon vs. Ehrlich Lesson duration 04:48 Manage Library 568,219 Views
11:38 Science & Technology Why are we warm-blooded? Lesson duration 11:38 Manage Library 2,148,621 Views
05:27 Science & Technology Is this the most successful animal ever? Lesson duration 05:27 Manage Library 497,279 Views
05:29 Social Studies The secret society of the Great Dismal Swamp Lesson duration 05:29 Manage Library 292,291 Views
05:12 History The rise and fall of the Kingdom of Man Lesson duration 05:12 Manage Library 1,107,420 Views
04:55 Business & Economics How do governments create money out of thin air? Lesson duration 04:55 Manage Library 936,535 Views
05:34 Science & Technology The most notorious scientific feud in history Lesson duration 05:34 Manage Library 1,110,222 Views
05:58 Social Studies The dark history of the Chinese Exclusion Act Lesson duration 05:58 Manage Library 1,050,036 Views
05:57 Social Studies How one person saved over 2,000 children from the Nazis Lesson duration 05:57 Manage Library 1,899,980 Views
05:49 Social Studies Why was India split into two countries? Lesson duration 05:49 Manage Library 3,474,432 Views
05:04 Social Studies What few people know about the program that "saved" America Lesson duration 05:04 Manage Library 493,496 Views
13:18 Literature & Language "I Am Anne Frank" read by Brad Meltzer and Saul Dreier Lesson duration 13:18 Manage Library 77,522 Views