Minute traces of metals on bird fossils have given scientists an unrivalled picture of what prehistoric birds looked like, according to a new study.
Source: http://www.cosmosmagazine.com/news/4470/prehistoric-birds-theyve-never-been-seen
Gretha Cavazzoni Gwen Stefani Halle Berry Hayden Panettiere Haylie Duff Heidi Klum Heidi Montag
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