News

  1. Chemistry

    Meteorites contain chemicals linked to life

    Space rocks could have delivered DNA building blocks to Earth.

    By Alexandra Witze
  2. Life

    Rare gene variants linked to ADHD

    Missing or added genes cause attention deficit hyperactivity disorder and other disorders, such as autism.

    By Tina Hesman Saey
  3. Health & Medicine

    Sleep apnea tied to later dementia

    Elderly women who have gaps in their breathing at night have a heightened risk of developing cognitive problems, a study finds.

    By Nathan Seppa
  4. Life

    Common virus may ride up nose to brain

    Almost everyone is infected, but in some people a widespread herpes bug appears to reach the central nervous system by an olfactory route.