genes

  • Junk DNA — Not So Useless After All

    Junk. Barren. Non-functioning. Dark matter. That’s how scientists had described the 98% of human genome that lies between our 21,000 genes, ever since our DNA was first sequenced about a decade ago. The disappointment in those descriptors was intentional and palpable. It had been believed that the human genome...
  • Humanity evolved from the mother of all plagues?

    Around 100,000 years ago, the human race was on the brink of extinction. Confined to Africa, our population had fallen to less than 10,000. Yet within a few tens of thousands of years, we began spreading around the world. New genetic evidence suggests that one factor contributing to the...

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