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How one design flaw almost toppled a skyscraper
Lesson duration 05:16
839,434 Views
309,500 Views
5,028,168 Views
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,017,541 Views
1,863,225 Views
827,832 Views
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,445,630 Views
2,471,366 Views
5,358,988 Views
151,914 Views
1,024,009 Views
1,038,146 Views
1,407,992 Views
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
145,874 Views
544,762 Views
386,444 Views
235,954 Views
The material that could change the world... for a third time
Lesson duration 05:27
919,839 Views
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,096 Views
1,491,241 Views
620,946 Views
2,138,491 Views
691,304 Views