Notebook

  1. Astronomy

    Old-school contraptions still work for weighing astronauts

    To weigh themselves, astronauts still use technology invented about 50 years ago.

    By Christopher Crockett
  2. Astronomy

    The sun isn’t the only light source behind that summer tan

    About 99.999% of the light that creates a suntan comes from the sun; the rest comes from the Big Bang and galaxies throughout the universe.

    By Christopher Crockett
  3. Genetics

    To study Galápagos cormorants, a geneticist gets creative

    To collect DNA from four cormorant species, this scientist called in bird scientists far and wide.

    By Tina Hesman Saey
  4. Oceans

    First U.S. ocean monument named in the Atlantic

    A region of ocean off the coast of Cape Cod has become the first U.S.