Evolutionary biologists at Johns Hopkins Medicine report they have combined PET scans of modern pigeons along with studies of dinosaur fossils to help answer an enduring question in biology: How did ...
Assistant Professor of mechanical and aerospace engineering Christina Harvey (front row, right) and Professor Michelle Hawkins, director of the California Raptor Center at the UC Davis School of ...
Scientists examined hundreds of birds in museum collections and discovered a suite of feather characteristics that all flying birds have in common. These 'rules' provide clues as to how the dinosaur ...
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