Tiny Tennessee fish protected, but US has yet to say where

It was a crisp fall day when biologist Bernie Kuhajda drove to a nondescript trickle of water running through a Middle Tennessee cow pasture to try to keep a small, brightly colored fish from becoming extinct.

Why some people are mosquito magnets

It's impossible to hide from a female mosquito—she will hunt down any member of the human species by tracking our CO2 exhalations, body heat, and body odor. But some of us are distinct "mosquito magnets" who get more than ...

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