Notebook

  1. Planetary Science

    Moon material on Earth

    Scientists now think that tektites are a type of impactite, formed during the rapid heating and cooling of material ejected when a meteorite strikes Earth.

    By Science News Staff
  2. Physics

    Oldest pitch-drop experiment

    The allure of pitch — a black tarlike hydro-carbon by-product of distilling petroleum, wood or coal — comes from its split personality: It shatters from a quick hit with a hammer, but flows if set aside for long periods.

    By Andrew Grant
  3. Health & Medicine

    Seek Meningitis Vaccine

    Excerpt from the November 9, 1963, issue of SCIENCE NEWS LETTER.

    By Science News
  4. Animals

    The colorful lives of squid

    Your calamari, it turns out, may have come from a temporary transvestite with rainbows in its armpits.