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Is Time Critical When T-Rex Evolued Into A Sparrow?

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Although a sparrow and a Tyrannosaurus Rex might appear to have nothing in common, evolutionary biologists see more that relates the two creatures than not.  A new study, led by Harvard scientists, has shown that modern birds are essentially living dinosaurs with skulls that are remarkably similar to those of their juvenile ancestors. Arkhat Abzhanov, Associate Professor […]