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04:56 Earth and Space Science Could we survive prolonged space travel? Lesson duration 04:56 Manage Library 417,727 Views
08:14 Critical Thinking The Tower of Epiphany | Think Like A Coder, Ep 7 Lesson duration 08:14 Manage Library 417,695 Views
03:08 Teaching & Education Introducing TED-Ed: Lessons Worth Sharing Lesson duration 03:08 Manage Library 417,570 Views
05:14 Life Sciences How to speak monkey: The language of cotton-top tamarins Lesson duration 05:14 Manage Library 417,359 Views
16:52 Health The end of Roe v. Wade — and what comes next - Kathryn Kolbert Lesson duration 16:52 Manage Library 417,140 Views
05:23 Public Health How one scientist took on the chemical industry Lesson duration 05:23 Manage Library 416,363 Views
06:30 Civics The problem with the U.S. bail system Lesson duration 06:30 Manage Library 415,580 Views
03:52 Science & Technology All of the energy in the universe is... Lesson duration 03:52 Manage Library 412,929 Views
05:17 Science & Technology Would you raise the baby that ate your siblings? Lesson duration 05:17 Manage Library 411,175 Views
05:31 Social Studies The underground cities of the Byzantine Empire Lesson duration 05:31 Manage Library 411,131 Views
04:43 Literature & Language Infinity according to Jorge Luis Borges Lesson duration 04:43 Manage Library 410,601 Views
06:52 How did Apartheid happen, and how did it finally end? Lesson duration 06:52 Manage Library 409,698 Views
04:08 Anthropology What can you learn from ancient skeletons? Lesson duration 04:08 Manage Library 409,314 Views
07:06 Physical Science Protactinium (new) - Periodic Table of Videos Lesson duration 07:06 Manage Library 408,783 Views
03:24 Environmental Science Attack of the killer algae Lesson duration 03:24 Manage Library 408,611 Views
08:48 Science & Technology How the James Webb Space Telescope will unfold the universe - John C. Mather Lesson duration 08:48 Manage Library 408,161 Views
05:02 Science & Technology How much electricity does it take to power the world? Lesson duration 05:02 Manage Library 407,310 Views
06:26 Social Studies History vs. Egypt’s "most powerful" pharaoh Lesson duration 06:26 Manage Library 407,022 Views