News

  1. Health & Medicine

    Dropping blood pressure to 120 lowers heart woes, data confirm

    Aggressive treatment to lower systolic blood pressure to 120 reduces risk of heart attack, but causes some side effects.

    By Meghan Rosen
  2. Health & Medicine

    Antibodies to fight Alzheimer’s may have unexpected consequences

    Alzheimer’s-targeted antibodies make neurons misbehave even more, a study of mice shows.

    By Laura Sanders
  3. Life

    Gene editing helps a baby battle cancer

    Doctors used molecular scalpels to tweak T cells to target leukemia but not harm the patient.

    By Tina Hesman Saey
  4. Anthropology

    Ancient hominids used wooden spears to fend off big cats

    Saber-toothed cat remains suggest ancient hominids used wooden spears as defensive weapons.