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How one design flaw almost toppled a skyscraper
Lesson duration 05:16
839,980 Views
309,657 Views
5,034,225 Views
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,020,492 Views
1,867,622 Views
831,476 Views
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,446,467 Views
2,472,649 Views
5,379,330 Views
152,234 Views
1,025,409 Views
1,038,941 Views
1,411,493 Views
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
146,100 Views
546,365 Views
386,726 Views
236,111 Views
The material that could change the world... for a third time
Lesson duration 05:27
921,070 Views
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,297 Views
1,494,752 Views
621,328 Views
2,142,596 Views
692,459 Views