Uncategorized

  1. Materials Science

    Gems of War

    While international bodies grapple with regulatory schemes to stem the diamond trade that funds ongoing civil conflicts in African countries, scientists are attempting to develop methods for identifying gems from conflict zones.

    By John Pickrell
  2. Tech

    Shrinking toward the Ultimate Transistor

    Scientists demonstrate transistor action in an atom—or two.

    By Peter Weiss
  3. Humans

    From the August 6, 1932, issue

    WEIRD STINK-BUG PARENTS PRODUCE CURIOUS EGGS “Like parent, like child,” is one of the oldest and best-known folk-proverbs. It holds outside the human realm, too. For instance, the pair of stink-bugs which Cornelia Clarke’s magnifying camera lens caught for the cover of this issue of the Science News Letter are weird enough little monsters, in […]

    By Science News
  4. Health & Medicine

    Obesity and Genetics

    Studies show that genes are a significant factor in developing obesity.