News

  1. Earth

    A slump or a slide? Density decides

    Using a full-scale simulator, researchers showed that just a small difference in soil density determines whether a landslide becomes a fast-moving killer or merely one that slowly slumps downhill.

    By Sid Perkins
  2. Paleontology

    Listening to fish for extinction clues

    Tiny fossils from fish that survived worldwide extinctions about 34 million years ago may reveal that cooler winters caused the die-off.

    By Sid Perkins
  3. Health & Medicine

    Fetal cells pop up in mom’s thyroid

    A woman's thyroid gland contains male cells, suggesting that cells from her son passed into her when he was a fetus.

    By John Travis
  4. Health & Medicine

    Gene helps alcohol help the heart

    A genetic study indicates that moderate consumption of alcohol helps keep the heart healthy.