News

  1. Physics

    Confined gas rejects compromise

    Pairs of tiny gas clouds of unequal energies mixing inside narrow tubes retain their original energy differences.

    By Peter Weiss
  2. Animals

    Just turn your back, Mom

    A female in a species of legless amphibians called caecilians nourishes her youngsters by letting them eat the skin off her back.

    By Susan Milius
  3. Health & Medicine

    Liver regeneration tied to bile acids

    Bile, a digestive juice, plays an integral role in the regeneration of liver tissue.

    By Nathan Seppa
  4. Health & Medicine

    Two drugs are equal in preventing breast cancer

    A commonly prescribed anti-osteoporosis drug works as well at preventing breast cancer as the sole drug currently prescribed for the task.