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85,600 Views
Design, Engineering & Technology
Why are airplanes slower than they used to be?
Lesson duration 04:59
2,329,406 Views
2,433,030 Views
44,034 Views
4,940,743 Views
146,391 Views
945,820 Views
Business & Economics
Why good ideas get trapped in the valley of death— and how to rescue them
Lesson duration 05:10
758,667 Views
993,667 Views
1,022,586 Views
307,484 Views
1,445,953 Views
684,474 Views
Science & Technology
What it's like to live on the International Space Station - Cady Coleman
Lesson duration 06:17
77,134 Views
1,317,414 Views
1,217,947 Views
432,111 Views
448,420 Views
Social Studies
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
142,475 Views
3,690,612 Views
412,992 Views
Science & Technology
The incredible, bendable, twistable, expandable elephant trunk
Lesson duration 05:10
255,905 Views