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  1. Colossal study shows amphibian woes

    The largest amphibian data set ever crunched—936 populations in 37 countries—confirms global declines.

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  2. Archaeology

    Early New World Settlers Rise in East

    New evidence supports the view that people occupied a site in coastal Virginia at least 15,000 years ago.

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  3. Humans

    From the October 1, 1932, issue

    WARNING SPOTS OR TARGETS? Eye-spots, like those on the wings of the Cecropia moth on the front cover, are commonly interpreted either as warning markings, to scare off enemies, or as “targets” to draw the enemy’s attention to a non-vital spot. But moths get eaten anyway.–(Photo by Cornelia Clarke). COSMIC RAYS BOMBARD EARTH WITH 40,000 […]

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  4. Tech

    Cool Contraptions

    The J.