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How the butterfly got its spots

By tweaking just one or two genes, Cornell University researchers have altered the patterns on a butterfly's wings. It's not just a new art form, but a major clue to understanding how the butterflies have evolved, and perhaps ...

dateJun 15, 2016 in Plants & Animals
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A fossilized snake shows its true colors

Ten million years ago, a green and black snake lay coiled in the Spanish undergrowth. Once, paleontologists would have been limited to the knowledge they could glean from its colorless fossil remains, but now they know what ...

dateMar 31, 2016 in Archaeology & Fossils
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