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Who speaks Wukchumni? A vanishing Native American language
lesson duration 09:28
67,741 views
Cloudy climate change: How clouds affect Earth's temperature
lesson duration 06:40
186,617 views
176,389 views
816,120 views
2,195,456 views
4,624,627 views
Particles and waves: The central mystery of quantum mechanics
lesson duration 04:52
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2,757,458 views
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558,290 views
2,072,193 views
371,911 views
1,119,975 views
Corruption, wealth and beauty: The history of the Venetian gondola
lesson duration 04:50
573,757 views
8,313,457 views