Stewart Brand: The dawn of de-extinction. Are you ready?

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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.... Read More إقرأ المزيد | Share it now!

David Anderson: Your brain is more than a bag of chemicals

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Modern psychiatric drugs treat the chemistry of the whole brain, but neurobiologist David Anderson believes in a more nuanced view of how the brain functions. He illuminates new research that could lead to targeted psychiatric medications — that work better and avoid side effects. How’s he doing it? For a start, by making a bunch of fruit flies angry. (Filmed at TEDxCalTech.)... Read More إقرأ المزيد | Share it now!

The way we think about charity is dead wrong | Dan Pallotta

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Activist and fundraiser Dan Pallotta calls out the double standard that drives our broken relationship to charities. Too many nonprofits, he says, are rewarded for how little they spend — not for what they get done. Instead of equating frugality with morality, he asks us to start rewarding charities for their big goals and big accomplishments (even if that comes with big expenses). In this bold talk, he says: Let’s change the way we think about changing the world.... Read More إقرأ المزيد | Share it now!