 The heart is one of the least regenerative organs in the human body; unlike our bones and skin, our heart can't easily grow new cells to replace damaged ones. And that, in turn, helps make heart failure the leading cause of death worldwide. But what if we could help our hearts heal? Physician and scientist Chuck Murry shares his groundbreaking research into the hard problem of growing new heart cells. Watch »  Bacteria "talk" to each other, sending chemical information to coordinate attacks. What if we could listen to what they were saying? Nanophysicist Fatima AlZahra'a Alatraktchi invented a tool to spy on bacterial chatter and translate their secret communication into human language. Her work could pave the way for early diagnosis of disease -- before we even get sick. Watch » |  In a mesmerizing set, musician Nora Brown breathes new life into two old-time banjo tunes: "East Virginia" and "John Brown's Dream." An evocative performance paired with a quick history of the banjo's evolution. Watch »  In this fascinating talk, Samy Nour Younes shares the centuries-old history of the transgender community, filled with courageous stories, inspiring triumphs -- and a fight for civil rights that's been raging for a longer time than you may know. Watch » | |
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