News

  1. Earth

    Most oil enters sea from nonaccidents

    Nearly all of the oil entering the marine environment traces not to accidents but to natural seeps and human activities where releases are intentional.

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  2. Earth

    Mapping the Frozen Sky: Study looks at clouds from both sides now

    By combining simultaneous observations from satellites and ground-based instruments, scientists can generate a three-dimensional map of the size and distribution of ice particles in a cirrus cloud.

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  3. Snooze Power: Midday nap may awaken learning potential

    A brief daytime nap may block or even reverse learning declines that occur during extended practice of a perceptual task.

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  4. Physics

    Loud Loop: New explanation of whip-snapping unfurls

    The wake of a loop zooming along a whip may silence the faster-moving tip so the loop actually causes the whip's loud bang.