News

  1. Psychology

    Thirtysomethings flex their number sense

    A mental feel for estimating amounts maxes out later in life and may influence math achievement.

    By Bruce Bower
  2. Health & Medicine

    Testosterone therapy takes off pounds

    A five-year study shows that men getting the hormone consistently lose weight.

    By Nathan Seppa
  3. Tech

    Interactive map like GPS for Roman Empire

    A simulation calculates the cost in days and dinarii of shipping goods throughout the classical world.

    By Rachel Ehrenberg
  4. Health & Medicine

    Learn to play piano in your sleep

    That’s still impossible, but an experiment suggests hearing a previously learned ditty while snoozing improves later performance of the piece.