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Science & Technology
Why is NASA sending a spacecraft to a metal world?
lesson duration 04:20
637,625 views
History
How did Polynesian wayfinders navigate the Pacific Ocean?
lesson duration 05:32
1,474,378 views
Life Sciences
The ferocious predatory dinosaurs of Cretaceous Sahara
lesson duration 04:20
1,842,075 views
Cognition and Learning
Why do people get so anxious about math?
lesson duration 04:37
2,213,526 views
Mathematics
How high can you count on your fingers? (Spoiler: much higher than 10)
lesson duration 04:30
3,110,314 views