Perfect Pitch, Trap-Jaw Ants, Virgin Births & Shrinking Mount Everest

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Once thought impossible, new research suggests people can learn perfect pitch. University of Chicago paleontologist and science explainer extraordinaire Neil Shubin is back to discuss that, the unique way trap-jaw ants avoid predators, “virgin births” in sawfish, and the shrinking of Mount Everest.

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A Tinley Park man, who suffers from muscular dystrophy and has had five heart surgeries for his atrial fibrillation, was in Nepal to climb Mount Everest when the deadly earthquake struck. We'll hear about his emotional journey.