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How one design flaw almost toppled a skyscraper
Lesson duration 05:16
840,335 Views
309,803 Views
5,036,642 Views
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,021,550 Views
1,870,464 Views
833,827 Views
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,446,789 Views
2,473,251 Views
5,391,746 Views
152,395 Views
1,026,362 Views
1,039,455 Views
1,414,232 Views
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
146,190 Views
547,422 Views
386,935 Views
236,173 Views
The material that could change the world... for a third time
Lesson duration 05:27
921,623 Views
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,402 Views
1,496,993 Views
621,553 Views
2,145,053 Views
693,242 Views