Using chemical clues in Tyrannosaurus rex teeth, scientists have shown that this massive predator was warm-blooded — with a body temperature close to that of a person — in a finding they said should ...
For thousands of years, humans have gone to extraordinary lengths to reshape their bodies in the name of beauty, status, ...
More than 400,000-year-old Homo erectus teeth from China may reveal a surprising link between this ancient human species, Denisovans, and some modern people. Scientists found protein mutations ...
A cartoon illustration of the AMBN enamel protein. Credit: IVPP Enamel proteins from Homo erectus teeth suggest genetic links to Denisovans while offering a less destructive way to study ancient human ...
A genetically modified pig kidney has kept a man off dialysis for a record nine months in the first successful use of an animal organ as a "bridge" to a human one. A genetically modified pig kidney ...
Scientists tracking thousands of animals found that our physical presence can reshape where wildlife moves and lives, sometimes as strongly as roads, cities, and other human development. Because ...