News

  1. Humans

    Ancient jaw may hold clues to origins of human genus

    A 2.8-million-year-old fossil from Ethiopia raises questions about the origins and evolution of the human genus, Homo.

    By Bruce Bower
  2. Neuroscience

    Brain cells predict opponent’s move in game-playing monkeys

    Newly discovered brain cells help monkeys predict whether a companion will cooperate.

    By Tina Hesman Saey
  3. Plants

    Tropical plant knows whose bill is in its flowers

    A rainforest plant avoids inbreeding by accepting pollen only from hummingbird species that must travel to reach it.

    By Kate Baggaley
  4. Quantum Physics

    Trying to get the down-low on gravity

    A twist on a classic quantum mechanics experiment could lead to the discovery of elusive gravitons.