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05:07 Science & Technology When will the next ice age happen? Lesson duration 05:07 Manage Library 1,703,278 Views
05:20 Mathematics Can you solve the false positive riddle? Lesson duration 05:20 Manage Library 4,087,786 Views
04:10 Psychology Why you should read self-help books Lesson duration 04:10 Manage Library 206,353 Views
08:43 Science & Technology Time: the history & future of everything Lesson duration 08:43 Manage Library 10,225,564 Views
02:01 Social Studies The real history of Cinco de Mayo Lesson duration 02:01 Manage Library 174,057 Views
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04:33 Science & Technology How to build a dark matter detector Lesson duration 04:33 Manage Library 328,089 Views
04:51 Science & Technology Which is stronger: Glue or tape? Lesson duration 04:51 Manage Library 13,922,402 Views
03:30 Design, Engineering & Technology How do touchscreens work? Lesson duration 03:30 Manage Library 1,111,103 Views
13:34 Design, Engineering & Technology How architecture can create dignity for all Lesson duration 13:34 Manage Library 67,174 Views
