News in Brief

  1. Health & Medicine

    Old blood carries risks for brain

    Young blood may not save the brain, by one measure at least.

    By Laura Sanders
  2. Archaeology

    For some early monks, impaired hearing amplified sounds of silence

    Middle-ear ailments probably had little impact on early Christian monks’ lives.

    By Bruce Bower
  3. Paleontology

    Cretaceous bird find holds new color clue

    New molecular clues in 130-million-year-old bird fossil could help paleontologists firm up case for ancient color in dinosaurs.

    By Meghan Rosen
  4. Health & Medicine

    Heartburn drugs may raise stroke risk

    Drugs used by millions for heartburn linked to increased risk of stroke.