Stewart Brand: The dawn of de-extinction. Are you ready?
Throughout humankind's history, we've driven species after species extinct: the passenger pigeon, the Eastern mountain lion, the dodo .... But now, says Stewart Brand, we have the technology (and the biology) to bring back species that humanity wiped out. So -- should we? Which ones? He asks a big question whose answer is closer than you may think.
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Ai Weiwei: 'Life is never guaranteed to be safe'
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Dealing with Ups and Downs: Another Way to Look at It!
In this video Christine Eilvig, founder of The Spiritual Salon, discusses way to build a life you will love.
Annie Murphy Paul: What We Learn Before We're Born
Pop quiz: When does learning begin? Answer: Before we are born. Science writer Annie Murphy Paul talks through new research that shows how much we learn in the womb -- from the lilt of our native language to our soon-to-be-favorite foods.
Tempest Milky Way
Timelapse video that won best overall and audience choice at 2011 Chronos Film Festival.
The Hidden Power of Siblings: Jeff Kluger at TEDxAsheville
This video features Jeffrey Kluger exploring the powerful bond between siblings.