News

  1. 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
  2. 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
  3. 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.

    By Laura Sanders
  4. Humans

    Taking the measure of a hobbit

    Study of fossil skull suggests ancient creature could have been Homo sapiens.