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University of Delaware doctoral student Desiree Narango is researching trees and shrubs planted in the lawns of homeowners throughout the Washington, D.C., Maryland and northern Virginia areas to asse...
Fossil ‘Winged Serpent’ Is a New Species of Ancient Snake,Penn Doctoral Student Finds（图）
Winged Serpent New Species of Ancient Snake Penn Doctoral Student
2017/7/20
An ancient sink hole in eastern Tennessee holds the clues to an important transitional time in the evolutionary history of snakes. Among the fossilized creatures found there, according to a new paper ...