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Credit: Javier Lazaro (http://www.lazaroillustration.com/
Scientists from Stony Brook University and the Max Planck Institute of Animal Behavior have pieced together a timeline of how brain and body size evolved in mammals over the last 150 million years. The international team of 22 scientists, including biologists, evolutionary statisticians, and anthropologists, compared the brain mass of 1400 living and extinct mammals. For the 107 fossils examined among them ancient whales and the oldest Old World monkey skull ever found they used endocranial volume data from skulls instead of brain mass data. The brain measurements were then analyzed along with body size to compare the scale of brain size to body size over deep evolutionary time. ....

United States , V Weisbeckerk Safi , Jeroen Smaers , Kamran Safi , Stony Brook University , Max Planck Institute Of Animal Behavior , Max Planck Institute , Animal Behavior , Old World , Science Advances , Late Paleogene , ஒன்றுபட்டது மாநிலங்களில் , கம்ரான் ஸ்யாஃபி , ஸ்டோனி சிற்றாறு பல்கலைக்கழகம் , விலங்கு நடத்தை , பழையது உலகம் ,