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Yes, scientists are actually building an elevator to space
Lesson duration 05:19
776,091 Views
8,296,566 Views
768,177 Views
532,526 Views
1,044,181 Views
518,089 Views
Can you solve the rogue submarine riddle? Difficulty level: Master
Lesson duration 06:19
1,242,772 Views
36,394,601 Views
How porn changes the way teens think about sex - Emily F. Rothman
Lesson duration 15:13
602,432 Views
315,599 Views
889,105 Views
2,824,106 Views
791,328 Views
The paradox at the heart of mathematics: Gödel's Incompleteness Theorem
Lesson duration 05:20
3,374,508 Views
3,110,885 Views
6,011,344 Views
1,352,797 Views
4,838,057 Views
1,218,519 Views
2,360,282 Views
2,159,101 Views
Why rumors about vaccines spread— and how to rebuild trust - Heidi Larson
Lesson duration 16:08
23,133 Views
How to let go of being a "good" person — and become a better person - Dolly Chugh
Lesson duration 11:49
665,352 Views