News

  1. Health & Medicine

    Carotid Overhaul: Stents and surgery go neck and neck

    Mesh cylinders called stents work as well as or slightly better than surgery in opening blocked carotid arteries in high-risk patients.

    By Nathan Seppa
  2. Earth

    Global warming won’t boost carbon storage in tundra

    The notion that a warmer climate in arctic regions will lead to enhanced carbon sequestration in tundra ecosystems isn't supported by field data.

    By Sid Perkins
  3. Physics

    Hurrying a nuclear identity switch

    Radioactive beryllium-7 atoms locked inside molecular cages decay extraordinarily quickly.

    By Peter Weiss
  4. Health & Medicine

    Turmeric component kills cancer cells

    Curcumin, the component of turmeric that makes the spice yellow, shows anticancer effects in lab-dish tests and in experiments on mice.