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Business & Economics
Why good ideas get trapped in the valley of death— and how to rescue them
lesson duration 05:10
746,924 views
Science & Technology
What it's like to live on the International Space Station - Cady Coleman
lesson duration 06:17
75,126 views
386,684 views
Science & Technology
The incredible, bendable, twistable, expandable elephant trunk
lesson duration 05:10
250,344 views
360,357 views
Science & Technology
The material that could change the world... for a third time
lesson duration 05:27
885,513 views
598,371 views
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Science & Technology
Climate change will displace millions. Here's how we prepare - Colette Pichon Battle
lesson duration 12:48
133,214 views
Science & Technology
3 bizarre (and delightful) ancient theories about bird migration
lesson duration 05:42
334,376 views
Design, Engineering & Technology
Building the world's largest (and most controversial) power plant
lesson duration 05:38
884,547 views
637,819 views
579,332 views