'Aging in the Wild' has longevity secrets from the animal kingdom (no anti-wrinkle cream there!)

All in a Weekend Montreal

Why can a Greenland shark live to be 400, while a mayfly dies within 24 hours? Questions like those fascinated Montreal-based documentary maker Ari Cohen, who takes a look at what animal aging can tell us about human lifespans in his new film 'Aging in the Wild.'

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