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Iridescence Found in 40-Million-Year-Old Fossil Bird Feather(图)
Iridescence 40-Million-Year-Old Fossil Bird Feather
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2009/8/31
A team of paleontologists and ornithologists has now discovered evidence of vivid iridescent colors in fossil feathers more than 40 million years old.Iridescence is the quality of changing color depen...