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  1. Health & Medicine

    Low social status leads to off-kilter immune system

    Low social status tips immune system toward inflammation seen in chronic diseases, a monkey study shows.

    By Rachel Ehrenberg
  2. Astronomy

    Giant gathering of galaxies discovered hiding on far side of Milky Way

    An uncharted supercluster of galaxies lurks about 800 million light-years away, partly hidden by the Milky Way.

    By Christopher Crockett
  3. Plants

    Bacteria help carnivorous plants drown their prey

    Pitcher plant drowning traps are more difficult for an insect to escape when bacteria colonize them.

    By Susan Milius
  4. Archaeology

    Ancient cemetery provides peek into Philistines’ lives, health

    Burial site offers new look at Israelites’ mysterious enemies.