News

  1. Life

    How plant ‘muscles’ fold up a mimosa leaf fast

    A mimosa plant revs up tiny clumps of specially shaped cells that collapse its leaflets, though why isn’t clear.

    By Susan Milius
  2. Animals

    A newfound ‘croakless’ frog may communicate via touch

    A newly discovered frog species in Tanzania joins a rare group of frogs that don’t croak or ribbit.

    By McKenzie Prillaman
  3. Physics

    Water is weird. A new type of ice could help us understand why

    A newfound type of amorphous ice with a density close to liquid water could help scientists make sense of water’s quirks.

    By Emily Conover
  4. Animals

    Are your cats having fun or fighting? Here are some ways to tell

    Certain behaviors indicate if your cats’ interaction is friendly, aggressive or something in between, a new study finds.