Uncategorized

  1. Math

    Dogs Catching Frisbees

    When navigating to intercept a thrown Frisbee, dogs appear to use the same geometric strategy that a baseball fielder employs to snag a fly ball hit into the outfield.

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  2. Humans

    From the June 30, 1934, issue

    A beetle's eye view of George Washington, cosmic rays, and visualizing air currents around airplanes.

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  3. Paleontology

    Neck Bones on the Menu: Fossil vertebrae show species interaction

    Three fossil neck bones from an ancient flying reptile—one of them with the broken tip of a tooth embedded in it—indicate that the winged creatures occasionally fell victim to meat eaters.

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  4. Plants

    Rewriting the Nitrogen Story: Plant cycles nutrient forward and backward

    For the first time, a green plant has been found to break down nitrogen-containing compounds into the readily usable form of nitrates, a job usually done by microbes.