"A man’s life-giving organs hang vulnerably outside the body."

The human body is a mess and it's a wonder we're even alive


Fri, May 15th, 2015 11:00 by capnasty NEWS

Noting that evolution does not provide perfection but solely function, Nautilus' Chip Rowe looks at all the evolutionary problems we're facing and the possible hacks biologists could implement to solve them.

Moving the testicles indoors would save men the pain of getting hit in the nuts. To accomplish this, first you’d need to tweak the sperm, says Gordon Gallup, an evolutionary psychologist at the State University of New York at Albany. Apparently the testicles (unlike the ovaries) get thrown out in the cold because sperm must be kept at 2.5 to 3 degrees Fahrenheit below the body’s internal temperature. Gallup hypothesizes that these lower temperatures keep sperm relatively inactive until they enter the warm confines of a vagina, at which point they go racing off to fertilize the egg.1 This evolutionary hack prevents sperm from wearing themselves out too early. So change the algorithm, Gallup says. Keep the sperm at body temperature and make the vagina hotter. (And, by the way, there’s no need to draw up new blueprints: Elephants offer a pretty good prototype.)



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