News

  1. Neuroscience

    Thinking hard weighs heavy on the brain

    A balance measures the tiny changes in force due to blood flow behind a person's thoughts.

    By Laura Sanders
  2. Anthropology

    Skulls from ancient London suggest ritual decapitations

    The city’s Roman rulers had special watery places to keep the heads of military enemies or vanquished gladiators.

    By Bruce Bower
  3. Life

    V-flying birds pick efficient flapping pattern

    Ibises time their flaps to catch a boost from a neighbor’s wing.

    By Susan Milius
  4. Ecosystems

    Trees’ growth keeps climbing with age

    Older trees pack on weight faster, making them potentially the best carbon collectors.

    By Meghan Rosen
  5. Astronomy

    Kepler’s surprise: Planet hunter also found supernovas

    NASA's now-defunct Kepler space telescope captured five stellar explosions as they happened.