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NOVA
Knowledge Keepers
Season 53
Episode 10
For millennia, Indigenous communities in North America have practiced a unique form of science. From navigating the featureless Arctic to building energy-efficient homes in the desert, see how cultural traditions have led to remarkable innovations.
- Airdates
- Monday Sep 28, 7:00 PM PDT on PBS SoCal Encore
- Tuesday Sep 29, 3:00 PM PDT on PBS SoCal
- Tuesday Sep 29, 4:00 PM PDT on PBS SoCal WORLD
- Tuesday Sep 29, 9:00 PM PDT on PBS SoCal WORLD
- Wednesday Sep 30, 1:00 AM PDT on PBS SoCal Encore
- Wednesday Sep 30, 5:00 AM PDT on PBS SoCal WORLD
- Wednesday Sep 30, 7:00 AM PDT on PBS SoCal Encore
- Wednesday Sep 30, 1:00 PM PDT on PBS SoCal Encore
- Saturday Oct 3, 6:00 PM PDT on PBS SoCal Encore
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53:28
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53:36
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
53:46
NASA launches its most ambitious search yet for traces of ancient life on Mars.
53:32
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.