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Learn moreAre Elvish, Klingon, Dothraki and Na’vi real languages?
lesson duration 05:21
2,822,286 views
The physics of human sperm vs. the physics of the sperm whale
lesson duration 04:18
4,331,697 views
Questioning the universe - Stephen Hawking
lesson duration 10:16
79,772 views
Natural pest control ... using bugs! - Shimon Steinberg
lesson duration 15:24
16,134 views
Urbanization and the evolution of cities across 10,000 years
lesson duration 04:09
2,048,379 views
The game layer on top of the world - Seth Priebatsch
lesson duration 12:23
16,279 views
The surprising truth about what motivates us
lesson duration 10:48
18,765,258 views