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Writer Annalee Newitz has a plan to help humans survive a planet-wide catastrophic event.
Michael Archer, leader of the ‘Lazarus Project,’ describes early efforts to bring a frog species back from extinction.
Ira talks with author Alan Weisman about what the world might be like if humans were suddenly to disappear from the planet.
Climate, pollution, loss of habitat -- what are the leading causes of modern extinctions?
Researchers examining DNA evidence gathered from soil samples say that the woolly mammoth may have survived for thousands of years longer than the fossil record indicates.
Doctor Jordan Metzl says specific cardio and strength training regimens can trea...
Exercise scientists Tamara Hew-Butler and Greg Whyte talk about how the body cha...
Can regular mental exercise help slow down the progress of dementia?
Can exercise help keep aging brains healthy?
New York Times science writer William Broad’s book investigates popular health c...
Could popping a pill turn a couch potato into a long-distance runner?