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Science & Technology
The genes you don't get from your parents (but can't live without)
Lesson duration 05:03
1,634,296 Views
255,731 Views
5,573,546 Views
1,946,136 Views
697,479 Views
1,315,133 Views
839,757 Views
Design, Engineering & Technology
Blood, concrete, and dynamite: Building the Hoover Dam
Lesson duration 05:12
860,690 Views
328,380 Views
151,778 Views
5,195,809 Views
1,310,610 Views
Mathematics
The paradox at the heart of mathematics: Gödel's Incompleteness Theorem
Lesson duration 05:20
3,152,645 Views
200,210 Views
544,845 Views
931,979 Views
1,849,951 Views
1,179,524 Views
855,489 Views
291,999 Views
353,823 Views
1,756,192 Views
315,816 Views