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  1. 19334

    In your article about the use of kites for science, we are told that Antarctica is “[m]ore than half a world away from Kansas.” I know a shorter route. It’s a round, round world, after all! Marvin E. Kahn Darnestown, Md.

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  2. Earth

    Large lake floods scoured New Zealand

    A volcanic region of New Zealand’s North Island experienced immense floods and severe erosion when lakes filling the craters of dormant volcanoes burst through the craters' rims and poured down the slopes.

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  3. Paleontology

    A human migration fueled by dung?

    When people made their way from Asia to the Americas, the path they took may have been covered in dung.