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636,269 views
Who speaks Wukchumni? A vanishing Native American language
lesson duration 09:28
67,681 views
Cloudy climate change: How clouds affect Earth's temperature
lesson duration 06:40
186,377 views
176,238 views
814,078 views
2,193,619 views
4,620,299 views
Particles and waves: The central mystery of quantum mechanics
lesson duration 04:52
992,280 views
413,150 views
3,916,810 views
6,513,171 views
2,751,931 views
14,573,667 views
1,738,788 views
10,947,426 views
558,167 views
2,072,193 views
371,890 views
1,119,070 views
Corruption, wealth and beauty: The history of the Venetian gondola
lesson duration 04:50
573,477 views
8,313,089 views
1,030,922 views
351,119 views