News

  1. Earth

    Warm spell spurred tropical biodiversity

    The number of plant species exploded in South America as atmospheric carbon dioxide, and temperatures, rose abruptly about 56 million years ago.

    By Alexandra Witze
  2. Animals

    Cats drink using lap-and-gulp trick

    Felines imbibe by pulling up a column of fluid and then snatching a bit of it before it splashes back down.

    By Susan Milius
  3. Psychology

    Many unhappy returns for wandering minds

    A cell phone–based survey finds that people frequently feel worse when their minds wander than when they focus on the moment.

    By Bruce Bower
  4. Health & Medicine

    Fructose poses gout risks even in women

    Soft drinks are an even more potent source of the fat-generating sugar than had been thought, new research shows.