News

  1. Genetics

    Bromine found to be essential to animal life

    Fruit flies deprived of the element bromine can’t make normal connective tissue that supports cells and either don’t hatch or die as larvae.

    By Tina Hesman Saey
  2. Life

    Hatcheries’ metal can disrupt steelhead magnetic sense

    Growing up in magnetic fields distorted by pipes and electronics confounds young fish’s inherited map sense.

    By Susan Milius
  3. Health & Medicine

    Early malnutrition may impair infants’ mix of gut microbes

    Babies’ gut microbiomes fail to fully recover even after fending off bouts with malnutrition.

    By Nathan Seppa
  4. Astronomy

    Rocky, overweight planet shakes up theories

    Kepler-10c is a rocky exoplanet 17 times as massive as Earth, and astronomers are puzzled as to how it formed.