When our distant ancestors first traded nomadic life for farming, villages, and permanent homes, you might assume that the beastly forces of natural selection lost their ability to shape our species, ...
New research suggests that natural selection, famous for rewarding advantageous differences in organisms, can also preserve similarities. The researchers worked with a plant called wild radish and its ...
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A massive study of ancient DNA from nearly 16,000 people across more than 10,000 years in West Eurasia reveals that natural selection has shaped modern human genomes far more than previously thought.