Research tracks 66 million years of mammalian diversity

When trying to understand the present, it's helpful to look to history. New research from the University of Nebraska-Lincoln examined the fossil record going back 66 million years and tracked changes… [+3855 chars]

Research tracks 66 million years of mammalian diversity

Research tracks 66 million years of mammalian diversity

Research tracks 66 million years of mammalian diversity

Research tracks 66 million years of mammalian diversity
Research tracks 66 million years of mammalian diversity
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