Singer Conchita Wurst representing Austria performs the song 'Rise Like a Phoenix

Austria's popular bearded lady, Conchita Wurst, won the 2014 Eurovision Song Contest on Saturday night in a result that promises to reinforce the tolerant tone the event has sought to strike in recent years.

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Gray hair, memory loss, wrinkles and brittle bones, sooner or later, each of us gets old (if we’re lucky). Yet scientists tell us that there is no evolutionary reason for us to age. So, why do we?

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