Neoracism, or discrimination on the basis of genetics, is
endemic in scientific research, bringing to mind slavery and Nazis, some
experts say.
These deadly organisms can be tough to detect or kill. Still, the risk of infection remains low.
The discovery of the earliest-known human footprints outside
Africa leads to a big question: How does carbon dating work? Trace is
here to tell you all about carbon dating and other ways we can know the
age of an object or fossil.
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