News

  1. Archaeology

    Roman gladiator school digitally rebuilt

    Imaging techniques unveil a 1,900-year-old Roman gladiators’ training center that’s buried beneath a site in Austria.

    By Bruce Bower
  2. Health & Medicine

    Experimental drug might get the salt out

    Tests in people and rats show sodium levels in blood drop as drug candidate limits the body’s salt absorption.

    By Nathan Seppa
  3. Paleontology

    Fossil whale skull hints at echolocation’s origins

    Ancestors of toothed whales used echolocation as early as 34 million years ago, analysis of a new fossil skull suggests.

    By Ashley Yeager
  4. Neuroscience

    Brain chemicals help worms live long and prosper

    Serotonin and dopamine accompany long lives in C.