News

  1. Astronomy

    Farthest Bang: A burst that goes the distance

    The most-distant gamma-ray burst ever found hails from 900 million years after the birth of the universe, around the time when stars and galaxies first flooded the universe with light.

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  2. Chemistry

    How hot was it?

    Scientists have created heat-sensing polymers that indicate exposure to high temperatures by changing color under ultraviolet light.

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  3. Chemistry

    Novel reaction produces hydrogen

    Chemists have found a new way to produce hydrogen using only water, an organic liquid, and a metal catalyst.

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  4. Chemistry

    Cactus goo purifies water

    Scientists are working on an environmentally benign water-filtering process that uses the nopal cactus.