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  1. Show me the data

    A debate has broken out over whether neuroscientists should share the voluminous data that they generate in their experiments.

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  2. Earth

    Cooking up a key chemical of life

    Researchers have simulated the conditions and ingredients found at hydrothermal vents to create pyruvic acid, an organic chemical vital for cellular metabolism.

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  3. Earth

    Greenland ice variation appears normal

    Changes in snowfall observed in parts of southern Greenland between 1978 and 1988 appear to be normal if gauged against the variations recorded in ice cores over the past 400 years.

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  4. Earth

    New Concerns about Phthalates

    Boys may face an eventual reproductive risk from exposure to some of the ingredients that go into many common plastics, cosmetics, and medical supplies.