7.8

NOVA•Season 53•Episode 10

Knowledge Keepers

7.8/10 · 25 votesSep 23, 202654 min

Ranked #3 of 16 in Season 53•+0.3 vs season avg

Discussion

For millennia, Indigenous peoples 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.

Previous episodeE9 · The Battle to Breathe Next episodeE11 · Stone Age Masterpiece

Seasons53

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Season 53 Episodes17

E1 7.3

Asteroids: Spark of Life?

E2 7.3

Angkor: Hidden Jungle Empire

E3 7.6

Can Dogs Talk?

E4 7.3

Mammal Origins

E5 7.1

Stone Age Temple Mystery

E6 7.7

Return to the Moon

E7 7.7

Rain Bombs

E8 7.5

Athens: Birth of Democracy

E9 8.0

The Battle to Breathe

E10 7.8Now viewing

Knowledge Keepers

E11 8.3

Stone Age Masterpiece

E12 7.8

Space Wars

E13 7.3

Evolution: Brain Power

E14 7.4

Evolution: Need to Feed

E15 6.8

Evolution: Body Builders

E16 7.0

Evolution: The Mating Game

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E17

Evolution: On the Run

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Episode Summary

"Knowledge Keepers" is episode 10 of NOVA season 53. It scored 7.8/10 from 25 votes, ranking #3 of 16 episodes this season (season average 7.5). It aired on September 23, 2026.

Next: E11 · Stone Age Masterpiece Best of Season 53