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Design, Engineering & Technology
How one design flaw almost toppled a skyscraper
Lesson duration 05:16
839,512 Views
309,530 Views
5,028,817 Views
Design, Engineering & Technology
Demolition, disease, and death: Building the Panama Canal
Lesson duration 05:36
1,017,865 Views
1,863,974 Views
828,272 Views
Design, Engineering & Technology
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,445,755 Views
2,471,524 Views
5,361,536 Views
151,945 Views
1,024,223 Views
1,038,238 Views
1,408,582 Views
Social Studies
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
145,901 Views
544,968 Views
386,550 Views
235,985 Views
Science & Technology
The material that could change the world... for a third time
Lesson duration 05:27
919,929 Views
Teaching & Education
How to teach kids to talk about taboo topics - Liz Kleinrock
Lesson duration 12:02
137,125 Views
1,491,786 Views
620,988 Views
2,139,003 Views
691,425 Views