News

  1. Space

    Powerful collider set to smash protons

    The Large Hadron Collider will operate at only half its maximum energy for the next 2 years.

    By Ron Cowen
  2. Chemistry

    Tiny molecules walk the track

    Researchers design synthetic “walking” molecules that may one day haul cargo in artificial micromachines.

    By Laura Sanders
  3. Paleontology

    Sail-backed dinos had semiaquatic lifestyle

    Isotopic analyses of fossils suggest the carnivores had crocodile-like habits.

    By Sid Perkins
  4. Earth

    Sea levels erratic during latest ice age

    Mineral crusts deposited 81,000 years ago in a Mediterranean island’s caves suggest an abrupt jump in sea level.

    By Sid Perkins
  5. Health & Medicine

    Mutations may underlie some stuttering

    Defects in three genes governing basic cell metabolism are found in a portion of cases, researchers find.