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  1. Health & Medicine

    Thick calluses don’t make feet any less sensitive

    Bare feet that develop thick calluses are just as sensitive as shoe-clad feet, a study in Kenya finds.

    By Aimee Cunningham
  2. Archaeology

    Peru’s famous Nazca Lines may include drawings of exotic birds

    Pre-Inca people depicted winged fliers from far away in landscape art.

    By Bruce Bower
  3. Paleontology

    Signs of the color blue have been found in a fossil for the first time

    Scientists think they’ve spotted hints of blue plumage in a fossilized bird from 48 million years ago.

    By Carolyn Gramling
  4. Life

    These fungi drug cicadas with psilocybin or amphetamine to make them mate nonstop

    Massospora fungi use a compound found in magic mushrooms or an amphetamine to drive infected cicadas to mate and mate and mate.