Notebook

  1. Astronomy

    Earth has nothing on this exoplanet’s lightning storms

    Lightning storms far more intense than any on Earth might explain radio waves that once came from a planet 124 light-years away.

    By Christopher Crockett
  2. Health & Medicine

    Early work on human growth hormone paved way for synthetic versions

    In 1966, researchers reported the complete chemical structure of human growth hormone. Today synthetic growth hormone is used to treat growth hormone deficiency.

    By Sarah Schwartz
  3. Microbes

    Leptospirosis bacterium still haunts swimming holes

    Bacterial scourges lurk in warm recreational waters.

    By Sarah Schwartz
  4. Animals

    New species of hairy weevil named after Chewbacca

    A new weevil species,Trigonopterus chewbacca, joins the ranks of insects with a Star Wars moniker.