News

  1. Earth

    Gooey rock in mantle thickens 1,000 kilometers down

    Gravitational tugs provide an unprecedented peek into the structure of Earth’s mantle and reveal a sudden increase in viscosity roughly 1,000 kilometers below ground.

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  2. Chemistry

    Elusive chemical reaction transition state captured

    A new method provides a detailed look at the elusive transition state.

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  3. Archaeology

    6,000-year-old skeletons in French pit came from victims of violence

    Human bones in a French pit recall lethal conflicts and limb lopping 6,000 years ago.

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  4. Genetics

    Liberia’s Ebola outbreak largely traced to one source

    Ebola’s spread and evolution in Liberia echoes patterns seen in Sierra Leone.