Nature’s Bad Designs

blowOur friend David Wolman has put together a list of the 10 worst evolutionary designs. At the top? Sea mammal blowhole.
As he explains in Wired:

Any animal that spends appreciable time in the ocean should be able to extract oxygen from water via gills. Enlarging the lungs and moving a nostril to the back of the head is a poor work-around.

Category: Evolution

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