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How one design flaw almost toppled a skyscraper
Lesson duration 05:16
839,640 Views
309,552 Views
5,030,359 Views
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,018,151 Views
1,865,081 Views
829,053 Views
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,445,905 Views
2,471,653 Views
5,366,082 Views
152,000 Views
1,024,581 Views
1,038,456 Views
1,409,463 Views
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
145,882 Views
545,307 Views
386,590 Views
236,004 Views
The material that could change the world... for a third time
Lesson duration 05:27
920,089 Views
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,175 Views
1,492,714 Views
621,047 Views
2,139,539 Views
691,580 Views