News

  1. Paleontology

    Ancient webbed masters

    Newly unearthed fossils of a 110-million-year-old bolster the notion that all modern birds evolved from aquatic ancestors.

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  2. Fat Friends: Gut-microbe partners bring in more calories

    The collaborative efforts of two common gut microbes could increase the calories that a person extracts from food and store as fat, a study in mice suggests.

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  3. Earth

    Mineral Deposit: Asbestos linked to lupus, arthritis

    Already known to cause lung cancer, asbestos has now been associated with three autoimmune diseases.

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  4. Chemistry

    Carbon Goes Glam: Treated carbon dots fluoresce

    Chemists have fashioned tiny dots of carbon that glow in response to light.