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How one design flaw almost toppled a skyscraper
Lesson duration 05:16
839,233 Views
309,421 Views
5,025,677 Views
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,016,327 Views
1,861,657 Views
826,430 Views
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,445,298 Views
2,470,854 Views
5,352,017 Views
151,722 Views
1,023,536 Views
1,037,835 Views
1,406,802 Views
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
145,810 Views
544,216 Views
386,180 Views
235,864 Views
The material that could change the world... for a third time
Lesson duration 05:27
919,603 Views
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,057 Views
1,490,077 Views
620,856 Views
2,137,115 Views
690,871 Views