News

  1. Earth

    Lab tests hint at where xenon hides out

    Results of recent experiments in which scientists squeezed a mixture of xenon and powdered quartz at high temperatures and pressures may explain why the gas is found at relatively low concentrations in the atmosphere.

    By Sid Perkins
  2. Health & Medicine

    Ebola may travel on the wing

    Fruit bats can carry the Ebola virus, suggesting that they may spread it in Africa.

    By Nathan Seppa
  3. Astronomy

    A puny way to make planets

    Brown dwarfs are failures in the star-making business, but new observations reveal that they may still succeed in growing planets.

    By Ron Cowen
  4. Tech

    Nanotubes spring eternal

    Researchers have discovered that forests of carbon nanotubes squish and expand like foams, but with extraordinary resilience.