 Every cell that's ever lived has been the result of the four-letter genetic alphabet: A, T, C and G -- the basic units of DNA. But now that's changed. In a visionary talk, synthetic biologist Floyd E. Romesberg introduces us to the first living organisms created with six-letter DNA -- the four natural letters plus two new man-made ones, X and Y -- and explores how this breakthrough could challenge our basic understanding of nature's design. Watch »  In 2006, Tarana Burke was consumed by a desire to do something about the sexual violence she saw in her community. She took out a piece of paper, wrote "Me Too" across the top and laid out an action plan for a movement centered on the power of empathy between survivors. More than a decade later, she reflects on what has since become a global movement -- and makes a powerful call to dismantle the power and privilege that are building blocks of sexual violence. "We owe future generations nothing less than a world free of sexual violence," she says. "I believe we can build that world." Watch » |  With Marvel's "America Chavez," Gabby Rivera wrote a new kind of superhero -- one who can punch portals into other dimensions while also embracing her gentle, goofy, soft side. In a funny, personal talk, Rivera shares how her own childhood as a queer Puerto Rican in the Bronx informed this new narrative -- and shows images from the comic book that reveal what happens when a superhero embraces her humanity. As she says: "That myth of having to go it alone and be tough is not serving us." Watch »  What if we took out more greenhouse gases than we put into the atmosphere? This hypothetical scenario, known as "drawdown," is our only hope of averting climate disaster, says strategist Chad Frischmann. In a forward-thinking talk, he shares solutions to climate change that exist today -- conventional tactics like the use of renewable energy and better land management as well as some lesser-known approaches, like changes to food production, better family planning and the education of girls. Learn more about how we can reverse global warming and create a world where regeneration, not destruction, is the rule. Watch » | |
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