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  1. Animals

    Mantis shrimp start practicing their punches at just 9 days old

    The fastest punches in the animal kingdom probably belong to mantis shrimp, who begin unleashing these attacks just over a week after hatching.

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  2. Physics

    A clock’s accuracy may be tied to the entropy it creates

    A clock made from a thin, wiggling membrane releases more entropy, or disorder, as it becomes more accurate.

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  3. Climate

    Climate change may have changed the direction of the North Pole’s drift

    A mid-1990s shift in the movement of the pole was driven by glacial melt, in part caused by climate change, among other factors, a new study reports.