I write about the world of biology. The extremely rare Indian purple frog doesn’t really look like a frog. It’s also a living fossil ... [+] that’s been around since before some of the Earth ...

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(Mariana Chuliver via AP) This image provided by Mariana Chuliver shows paleontologist Matías Motta at the fossil site “Estancia La Matilde” in Patagonia, Argentina showing an adult specimen of the ...