When the nose no longer knows
Pollution can endanger aquatic animals by damaging their sense of smell
By Roberta Kwok, 15:40 PM December 13, 2012
In the Pacific Ocean north of Australia, a tiny speck of land called Kimbe Island is surrounded by coral reefs. This tropical island is so small that you can swim around it in half an hour.
Baby fish in the ocean must find islands like Kimbe so they can make their homes on neighboring reefs. To navigate, the animals rely partly on their sense of smell. These young fish, only about the size of a raisin, swim toward the scent of leaves from the islands’ trees. That’s like finding your way h...
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