 Does anyone really think the world needs more nuclear weapons? In this fascinating talk, Erika Gregory asks why the world's nuclear powers never got rid of their old weapons after the Cold War, and calls on today's rising leaders to pursue an ambitious goal: ridding the world of nuclear weapons by 2045. Watch »  What can we expect our kids to learn if they're hungry ... or eating diets full of sugar? Former White House chef Sam Kass discusses the role that schools can play in nourishing students' bodies while they nourish minds. Watch » |  "When we tell women that sex isn't worth the risk during pregnancy, what we're telling her is that her pleasure doesn't matter ... that she in fact doesn't matter," says Sofia Jawed-Wessel. In this eye-opening talk, sex researcher Jawed-Wessel explores what we know about modern pregnancy, and calls out the relationship between women, sex and systems of power. Watch »  James Beacham looks for answers to the most important questions of physics, using the world's biggest science experiment ever: CERN's Large Hadron Collider. In this fun and accessible talk about how science happens, Beacham takes us on a journey through extra-spatial dimensions in search of the mysteries of gravity. Watch » | |
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