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Yes, scientists are actually building an elevator to space
Lesson duration 05:19
775,723 Views
8,286,211 Views
766,130 Views
532,299 Views
1,041,701 Views
517,647 Views
Can you solve the rogue submarine riddle? Difficulty level: Master
Lesson duration 06:19
1,239,664 Views
36,326,593 Views
How porn changes the way teens think about sex - Emily F. Rothman
Lesson duration 15:13
602,260 Views
315,521 Views
887,913 Views
2,820,717 Views
790,771 Views
The paradox at the heart of mathematics: Gödel's Incompleteness Theorem
Lesson duration 05:20
3,369,414 Views
3,109,958 Views
5,981,824 Views
1,351,917 Views
4,829,976 Views
1,217,750 Views
2,357,282 Views
2,158,215 Views
Why rumors about vaccines spread— and how to rebuild trust - Heidi Larson
Lesson duration 16:08
23,123 Views
How to let go of being a "good" person — and become a better person - Dolly Chugh
Lesson duration 11:49
665,056 Views