Smells fishy: acidic oceans are bad for shark noses

September 10, 2014 9:39 PM

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Smells fishy: acidic oceans are bad for shark noses

The ocean is vast and meals can be hard to come by. That's why sharks evolved an excellent sense of smell. Some sharks, like the lemon shark, can smell one drop of blood in an Olympic sized pool.

But a new study shows that ocean acidification, the result of atmospheric carbon being absorbed by the ocean, might rob sharks of the sense they most depend on.

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