WASHINGTON (NPR) Even before the reign of the dinosaurs ended in a mass extinction event about 65 million years ago, mammals had already gotten a humble but solid foothold.That's just one of t
Researchers have examined the genomes of 240 mammal species. The project reveals when mammals evolved, how some developed the ability to hibernate, and clues that may help explain humans' brains.
/PRNewswire/ More than a million years ago, large chunks of the human genome were rearranged a chance event during egg or sperm formation that led to the.
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