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  1. Physics

    Orbiting relativity test gets slow start

    Unexpected but necessary adjustments to a satelliteborne test of relativity theory have slashed the time available to collect data.

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  2. Tech

    Transmuting a powerful poison

    A new chemical process for fuel cells powered by hydrocarbons eliminates carbon monoxide that would clog fuel-cell electrodes while also extracting energy from the troublesome gas.

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  3. Chemistry

    Bacteria send out molecular scrounger for copper

    Scientists have discovered the organic molecule that bacteria use to take up copper, which the microbes then use to chemically crack methane.

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  4. 19461

    Far from being a pathology, the eye cast noted in this article is exactly what one would expect for a right-eye-dominant artist.