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Most of the frogs alive today owe a big thank you to the asteroid or comet that delivered the coup de grace to the dinosaurs.A new study by Chinese and American biologists shows that if the ...
How often does research reveal not only how dinosaurs could have moved in the past, but how robots might move in the future?If a Pacific parrotlet (Forpus coelestis) needs to get to a nearby...
The asymmetry of the carpal joint and the evolution of wing folding in maniraptoran theropod dinosaurs
Laboratory of Evolutionary Systematics of Vertebrates Institute of Vertebrate Palaeontology
2014/3/26
In extant birds, the hand is permanently abducted towards the ulna, and the wrist joint can bend exten-
sively in this direction to fold the wing when not in use. Anatomically, this asymmetric mobili...
November 28, 2006，COLUMBIA, Mo. - The dinosaurs, along with the majority of all other animal species on Earth, went extinct approximately 65 million years ago. Some scientists have said that the impac...