News

  1. Animals

    Hearing awful or great singing changes birds’ choice

    A male bird’s serenade inspires reactions that depend on the quality of songs a female has been listening to.

    By Susan Milius
  2. Health & Medicine

    Jet lag affects gut microbes

    Jet-lagged bacteria in the gut impair mice’s metabolism, causing obesity and diabetes-related problems.

    By Tina Hesman Saey
  3. Physics

    Falling raindrops break terminal velocity

    Unknown mechanism causes tiny raindrops to fall faster than terminal velocity.

    By Thomas Sumner
  4. Climate

    Rivers may gush under sullied skies

    By dimming sunlight and curbing evaporation, air pollution can increase the amount of water flowing through rivers, new simulations suggest.