News

  1. Genetics

    The Iceman tells a new tale: Infection with ulcer-causing bacteria

    Ötzi the Iceman was infected with a virulent strain of H. pylori. A new study is the first to piece together an ancient genome of these bacteria.

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  2. Oceans

    Phytoplankton flunk photosynthesis efficiency test

    Nutrient-poor ocean waters make phytoplankton photosynthesis inefficient

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  3. Paleontology

    Saber-toothed salmon teeth more like tusks than fangs

    Saber-toothed salmon teeth may not have been positioned like fangs at all.

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  4. Life

    Gene tweak led to humans’ big toe

    For lack of gene regulator, the human big toe appeared.