Physiology

  1. Life

    Insulin-suppressing hormone discovered

    A newly discovered hormone suppresses insulin production and secretion in fruit flies and maybe in humans.

    By Tina Hesman Saey
  2. Neuroscience

    Decoding sommeliers’ brains, one squirt of wine at a time

    Researchers use a ‘gustometer’ to control wine portions in experiments comparing the brains of sommeliers and novices.

    By Tina Hesman Saey
  3. Animals

    Cone snail deploys insulin to slow speedy prey

    Fish-hunting cone snails turns insulin into a weapon that drops their prey’s blood sugar and eases capture.

    By Susan Milius
  4. Animals

    Mountain migration is a roller coaster for bar-headed geese

    Bar-headed geese rise and fall to match terrain below them when migrating over the Himalayas.