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  1. Anthropology

    Children of Prehistory

    Accumulating evidence suggests that children and teenagers produced much prehistoric cave art and perhaps left behind many fledgling attempts at stone-tool making as well.

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  2. Humans

    Letters from the April 28, 2007, issue of Science News

    Long ago gas Finding CO2 levels that are 2,500 times higher in 5,000-year-old fulgurites than in modern samples, scientists have speculated that the extra CO2 resulted from vaporization of organic material by lightning (“Stroke of Good Fortune: A wealth of data from petrified lightning,” SN: 2/17/07, p. 101). Could some of this gas reflect elevated […]

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  3. Earth

    Earth 911

    Earth Day comes only once a year, but you can give Mother Earth a gift every day.