by Laura Geggel, Staff Writer | May 19, 2015 12:50pm ET
Talk of a "chickenosaurus" lit up the science world last week when researchers announced they had modified the beak of a chicken embryo to resemble the snout of its dinosaur ancestors. But although some experts have lauded the feat, a beak is just one of many modifications needed to revert a chicken into a dinosaur.
Given these obstacles, how close are scientists to creating a dino-chicken?
"From a quantitative point of view, we're 50 percent there," said Jack Horner, a professor of paleontology at Montana State University and a curator of paleontology at the Museum of the Rockies.
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