Think that we humans are a fait accompli, a done deal that hasn’t changed over the eons?
Think again.
Evidence is accumulating that the species is still evolving, and doing so at an unprecedented rate. A major new study led by UW-Madison anthropologist John Hawks says that in the past 5,000 years, natural selection â?? gene mutations that spread because they’re beneficial â?? has occurred 100 times faster than at any other period in human history.