dinosaurs

Dinosaurs evolved into birds by ‘shrinking’ over 50 million years
An international team of scientists on Thursday described an extraordinary evolutionary process that unfolded over a period of 50 million years in which...
Somewhere in between: Dinosaurs were neither warm- nor cold-blooded
Were dinosaurs warm-blooded like birds and mammals? Or cold-blooded like reptiles, fish and amphibians? There is finally a good answer.

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