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

This quick TED talk entry is courtesy of Throughout humankind’s history, we’ve driven species after species extinct: the passenger pigeon, the Eastern cougar, 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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