Uncategorized

  1. Earth

    50 years ago, a new theory of Earth’s core began solidifying

    In 1972, scientists proposed that Earth’s core formed as the planet came together. Fifty years later, that theory is generally accepted, though many mysteries about the core remain.

    By Nikk Ogasa
  2. Health & Medicine

    This soft, electronic ‘nerve cooler’ could be a new way to relieve pain

    A tiny electronic device implanted in the body generates targeted pain relief by cooling off nerves, experiments in rats suggest.

    By Meghan Rosen
  3. Space

    Six months in space leads to a decade’s worth of long-term bone loss

    Even after a year of recovery in Earth’s gravity, astronauts who’d been in space six months or more still had bone loss equal to a decade of aging.