News

  1. Humans

    Lucy’s feet were made for walking

    A 3.2-million-year-old toe fossil suggests a humanlike gait for an ancient hominid.

    By Bruce Bower
  2. Life

    Moonless twilight may cue mass spawning

    Subtle color shifts on the nights just after the full moon might synchronize the release of gametes by corals and other marine creatures.

    By Susan Milius
  3. Life

    Fleas leap from feet, not knees

    After years of scratching their heads over the question of exactly how the impressive jumpers launch themselves, scientists find an answer.

    By Daniel Strain
  4. Health & Medicine

    Prenatal surgery may be preferable for spina bifida

    Performing an operation preterm shows better results against the neural tube defect than waiting until the baby is born, but there are trade-offs, a new study shows.