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  1. Humans

    Neandertals blasted out of existence, archaeologists propose

    An eruption may have wiped out Neandertals in Europe and western Asia, clearing the region for Stone Age Homo sapiens.

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  2. Life

    Imperfect mimics

    Reprogramming techniques may not produce exact embryonic stem cell replicas.

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  3. Astronomy

    Black hole silhouettes

    Scientists attempt to image a shadow and its tumultuous ring.

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  4. Unnatural selection

    Chemists build proteins with parts not in the typical toolkit.

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  5. Science Future for October 9, 2010

    October 10 – 24 First USA Science & Engineering Festival, held in D.C.