Uncategorized

  1. Anthropology

    A foot fossil suggests a second early human relative lived alongside Lucy

    Foot bones and other fossils have been attributed to Australopithecus deyiremeda, a recently discovered species that may shake up the human family tree.

    By Jay Bennett
  2. Science & Society

    Gratitude can increase joy, even if it feels a little cringe

    Like exercise, gratitude takes many forms. Finding the right practice, research shows, is up to the individual.

    By Sujata Gupta
  3. Animals

    Cuddly koalas had a brutal, blade-toothed close cousin

    Ancient collagen preserved in the bones of extinct Australian mammals is revealing their evolutionary relationships, leading to some surprises.

    By Jake Buehler
  4. Planetary Science

    Boiling oceans may sculpt the surfaces of small icy moons

    Simulations show that subsurface oceans on small moons may hit boiling conditions, potentially creating features like Miranda’s distinctive ridges.