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How one design flaw almost toppled a skyscraper
Lesson duration 05:16
839,747 Views
309,579 Views
5,031,692 Views
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,018,657 Views
1,866,014 Views
829,693 Views
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,446,078 Views
2,471,955 Views
5,369,925 Views
152,076 Views
1,024,863 Views
1,038,606 Views
1,410,134 Views
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
145,909 Views
545,653 Views
386,679 Views
236,046 Views
The material that could change the world... for a third time
Lesson duration 05:27
920,223 Views
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,234 Views
1,493,451 Views
621,092 Views
2,140,481 Views
691,797 Views