News

  1. Earth

    How dinosaurs hopped across an ocean

    Land bridges may have once allowed dinosaurs and other animals to travel between North America and Europe around 150 million years ago, a researcher proposes.

    By Thomas Sumner
  2. Life

    Yeasts hide in many lichen partnerships

    Yeasts newly discovered in common lichens challenge more than a century of thinking about what defines the lichen symbiosis.

    By Susan Milius
  3. Anthropology

    Humans, birds communicate to collaborate

    Bird species takes hunter-gatherers to honeybees’ nests when called on.

    By Bruce Bower
  4. Genetics

    Evolution of gut bacteria tracks splits in primate species

    Primates and microbes have been splitting in sync for at least 10 million years.