News

  1. Health & Medicine

    Tiny human intestine grown inside mouse

    Human gut tissue transplanted into a mouse can grow into a working intestine that doctors could use to test disease treatments.

    By Meghan Rosen
  2. 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
  3. 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
  4. Physics

    Falling raindrops break terminal velocity

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