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  1. Astronomy

    Crust on a star

    By analyzing X rays generated by the rumblings of a neutron star 40,000 light-years from Earth, astronomers have estimated the thickness of the dense star's crust.

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  2. Plants

    Nectar: The First Soft Drink

    Plants have long competed with one another to lure animals in for a sip of their sweet formulations.

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  3. Health & Medicine

    Predicting Parkinson’s

    Scientists are searching for ways to detect the earliest signs in the brain of Parkinson's disease.

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  4. Math

    Quilting Pi

    The digits of pi inspire artistic quilts. For more math, visit the MathTrek blog.