Taegan McMahon, of the University of Tampa, has pretty much grown up in the wild. Destined to become an ecologist, she studies fungal infections that are killing off entire frog populations. And she's run into jungles, crossed rapidly flowing rivers and battled crocodiles to do so! OK maybe battled is a slight exaggeration, but there seems to be little she won't do to protect her amphibious friends.

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