News

  1. Paleontology

    Tyrannosaurs lived in the Southern Hemisphere, too

    Australian fossils suggest the kin of T. rex dispersed globally 110 million years ago.

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  2. Chemistry

    Building a cheaper catalyst

    Using perovskite instead of platinum in catalytic converters could shave many hundreds of dollars off the cost of a diesel car.

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  3. Humans

    Ancient DNA suggests new hominid line

    Genetic data unveil a previously unknown Stone Age ancestor in central Asia.

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  4. Earth

    Bacteria show new route to making oxygen

    New discovery adds to the few known biological pathways for making and metabolically using the gas.

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  5. Chemistry

    Better sleuthing through chemistry

    New fingerprinting method can pinpoint where, when or how a chemical warfare agent came to be.