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In his lab at Penn, Vijay Kumar and his team build flying quadrotors, small, agile robots that swarm together. Watch now >> |
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Have we used up our resources? Have we filled up all the livable space on Earth? Paul Gilding suggests we have, in this clear-eyed and oddly hopeful talk. Watch now >> |
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Peter Diamandis makes a case for optimism -- that we'll invent, innovate and create ways to solve the challenges that loom over us. Watch now >> |
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The ocean has degraded within our lifetimes, says Daniel Pauly, as shown in the decreasing average size of fish. Can we stop the baseline drop? Watch now >> |
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Paul Snelgrove shares the results of the 10-year Census of Marine Life, and shares amazing photos of some of their surprising undersea finds. Watch now >> |
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