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10:52 Philosophy Ralph Waldo Emerson and the Beauty of the Everyday Lesson duration 10:52 1,120,284 Views
05:03 Physical Science The otherworldly creatures in the ocean's deepest depths Lesson duration 05:03 2,280,369 Views
06:17 Earth and Space Science Three Ways to Destroy the Universe Lesson duration 06:17 27,674,381 Views
05:13 Biological Bases of Behavior 5 Weird Involuntary Reflexes Explained! Lesson duration 05:13 2,898,363 Views
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04:18 Social Studies Why is the US Constitution so hard to amend? Lesson duration 04:18 1,109,656 Views
07:21 Design, Engineering & Technology My invention that made peace with lions - Richard Turere Lesson duration 07:21 624,688 Views