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Why good ideas get trapped in the valley of death— and how to rescue them
Lesson duration 05:10
766,492 Views
1,024,257 Views
1,038,284 Views
319,258 Views
1,501,990 Views
717,806 Views
What it's like to live on the International Space Station - Cady Coleman
Lesson duration 06:17
78,169 Views
1,408,703 Views
1,293,471 Views
441,069 Views
456,821 Views
What it takes to be racially literate - Priya Vulchi and Winona Guo
Lesson duration 12:23
145,901 Views
3,728,139 Views
427,177 Views
The incredible, bendable, twistable, expandable elephant trunk
Lesson duration 05:10
259,905 Views
545,018 Views
386,555 Views
1,365,593 Views
144,742 Views
235,988 Views
659,726 Views
The material that could change the world... for a third time
Lesson duration 05:27
919,959 Views