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How one design flaw almost toppled a skyscraper
Lesson duration 05:16
840,451 Views
309,824 Views
5,037,350 Views
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,021,722 Views
1,871,069 Views
834,345 Views
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,446,860 Views
2,473,432 Views
5,395,155 Views
152,461 Views
1,026,606 Views
1,039,542 Views
1,414,752 Views
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
146,222 Views
547,690 Views
386,993 Views
236,190 Views
The material that could change the world... for a third time
Lesson duration 05:27
921,769 Views
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,428 Views
1,497,508 Views
621,616 Views
2,145,593 Views
693,397 Views