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Design, Engineering & Technology
How one design flaw almost toppled a skyscraper
Lesson duration 05:16
839,613 Views
309,548 Views
5,030,060 Views
Design, Engineering & Technology
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,018,105 Views
1,864,899 Views
828,900 Views
Design, Engineering & Technology
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,445,886 Views
2,471,611 Views
5,365,410 Views
151,996 Views
1,024,541 Views
1,038,424 Views
1,409,319 Views
Social Studies
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
145,882 Views
545,246 Views
386,583 Views
235,999 Views
Science & Technology
The material that could change the world... for a third time
Lesson duration 05:27
920,055 Views
Teaching & Education
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,175 Views
1,492,596 Views
621,034 Views
2,139,421 Views
691,553 Views