News

  1. Health & Medicine

    Priming the elderly for flu shots

    A drug that shuts down a potent signaling molecule in cells might boost protection elicited with flu vaccination, a study finds.

    By Nathan Seppa
  2. Astronomy

    Europa’s geysers play hard-to-see

    Follow-up observations of Europa failed to confirm the existence of geysers venting the Jupiter moon’s hidden ocean into space.

    By Andrew Grant
  3. Animals

    Rock ants favor left turns in unfamiliar crevices

    Rock ants’ bias for turning left in mazes, a bit like handedness in people, may reflect different specializations in the halves of their nervous system.

    By Susan Milius
  4. Life

    Hydrogen sulfide offers clue to how reducing calories lengthens lives

    Cutting calories boosts hydrogen sulfide production, which leads to more resilient cells and longer lives, a new study suggests.