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How one design flaw almost toppled a skyscraper
Lesson duration 05:16
840,298 Views
309,790 Views
5,036,403 Views
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,021,737 Views
1,870,073 Views
833,595 Views
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,446,750 Views
2,473,186 Views
5,389,839 Views
152,374 Views
1,026,237 Views
1,039,413 Views
1,413,943 Views
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
146,187 Views
547,322 Views
386,922 Views
236,167 Views
The material that could change the world... for a third time
Lesson duration 05:27
921,593 Views
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,386 Views
1,496,689 Views
621,518 Views
2,144,889 Views
693,189 Views