
Radiation, pollution and urbanization are taking over natural selection
The Conversation Weekly
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How to Find a Green Frog
Herman's initial goal was to look at how much variation they are exposed to. Usually these frogs are pretty easy to find at night, he says. The males make a very particular mating call that you can use to get close to them and find them in the ponds. Herman: "I wasn't able to just detect one ... until I realized that green frog that I was looking for was pitch black"
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