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This week: a laser that could zap malaria, a look at how our social networks shape us in ways we don’t expect — and a hunt for the brilliant inventors of the developing world.

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Nathan Myhrvold and team present new inventions, as brilliant as they are bold — including a live demo of a mosquito-zapper you have to see to believe. Watch now >>
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Nicholas Christakis tracks how traits (from happiness to obesity) spread through our social networks — and impact your life in ways you don’t even know. Watch now >>
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From his first studio album release in decades, musical innovator Thomas Dolby premieres an evocative song about one night with a legend. Watch now >>
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Anil Gupta is on the hunt for the developing world’s unsung inventors — indigenous entrepreneurs whose ingenuity, hidden by poverty, could change lives. Watch now >>
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In this powerful talk, Jeremy Jackson lays out the state of the ocean today: overfished, overheated, polluted, with indicators that things will get much worse. Watch now >>

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