Articles for tag: DNA expression, Epigenetics, Exercise science, genetic adaptation

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How Does Exercise Change Our DNA? The New Science of a Moving Genome

Suhail Ahmed

  For years, exercise advice sounded almost boringly familiar: move more for stronger muscles, a healthier heart, a better mood. But hidden beneath the sweat and sore legs is a far stranger story, one that reaches all the way down to our DNA. Scientists are now revealing that a brisk walk, a hard run, or ...

Could Evolution Ever Reverse Itself? Scientists Debate the Possibility

Could Evolution Ever Reverse Itself? Scientists Debate the Possibility

Gargi Chakravorty

Evolution has always been portrayed as a forward march toward greater complexity and specialization. Yet beneath this familiar narrative lies one of biology’s most intriguing questions: can the evolutionary process actually turn around and head backward? Picture a snake suddenly sprouting legs again, or a bird redeveloping teeth after millions of years without them. While ...