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  1. Animals

    RNA editing helps octopuses cope with the cold

    California two-spot octopuses tweak the proteins they make, potentially to help maintain brain function when temperatures dip.

    By Freda Kreier
  2. Neuroscience

    Brain cavities that swell in space may need at least 3 years to recover

    MRI scans of astronauts show that duration in space and time between flights affect how much the brain’s fluid-filled cavities expand during missions.

    By McKenzie Prillaman
  3. Life

    50 years ago, flesh-eating screwworms pushed scientists to mass produce flies

    "Fly factories” dreamed up in the early 1970s have helped North and Central America keep screwworms in check for decades.

    By Nikk Ogasa
  4. Astronomy

    The Parker Solar Probe may have spotted the origin of high-speed solar winds

    Kinks in the magnetic fields near the surface of the sun appear to be the cause of fast-moving flows in the solar wind.