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  1. Chemistry

    Sweet Synthesis: Fructose product could replace chemicals from oil

    A new study describes the efficient use of fructose toward making a renewable building block for many useful chemicals.

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  2. Astronomy

    Planet-making disk has a banana split

    Two banana-shaped arcs of gas and dust face each other within a newly discovered planet-forming disk that surrounds a young, nearby star.

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  3. 19702

    The photo in this article looks to me more like a solar eclipse, complete with a clear-cut circular blackout in the center and flares. Mike PattersonGrand Rapids, Mich. The similarity is because astronomers used an occulting disk on the telescope to block the glare of the central star .—R.