News

  1. Animals

    Having more friends may help female giraffes live longer

    A more gregarious life, even while just munching shrubbery, might mean added support and less stress for female giraffes.

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  2. Anthropology

    Ardi may have been more chimplike than initially thought — or not

    A contested study of hand and foot fossils suggests this 4.4-million-year-old hominid was a tree climber and branch swinger.

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  3. Particle Physics

    Protons’ antimatter is even more lopsided than we thought

    The SeaQuest experiment finds that down antiquarks within the proton are more prevalent than up antiquarks.

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  4. Paleontology

    Climate change helped some dinosaurs migrate to Greenland

    A drop in CO2 levels helped massive plant eaters called sauropodomorphs trek from South America to Greenland 214 million years ago, says a new study.