http://www.thetakeaway.org/2009/may/18/sixth-extinction/ http://www.podtrac.com/pts/redirect.mp3/audio.wnyc.org/takeaway/takeaway051809e.mp3 The Sixth Extinction http://www.thetakeaway.org/2009/may/18/sixth-extinction/ http://media.wnyc.org/media/photologue/photos/tt/extinction-sucks-lollipop.jpg true 9143 segment Some biologists believe that we are now in the midst of what they call “the sixth extinction”—the sixth time in the history of the earth when a devastating mass extinction has occurred. New Yorker staff writer Elizabeth Kolbert says that some estimate that half of all species may have disappea http://media.wnyc.org/media/photologue/photos/tt/cache/extinction-sucks-lollipop_26_square.jpg http://media.wnyc.org/media/photologue/photos/tt/cache/extinction-sucks-lollipop_26_square.jpg