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  1. Humans

    From the March 31, 1934, issue

    A desert earthquake, producing bromine from seawater, and nerve damage from alcohol consumption.

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  2. Understanding Evolution

    Understanding Evolution is an extensive Web site designed to meet the needs of K–12 teachers presenting evolution in the classroom. Developed by the University of California Museum of Paleontology at Berkeley and the National Center for Science Education, the site provides an informal online course covering essential science content, as well as a searchable database […]

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  3. 19402

    When I was a teenager, I lived with a brown capuchin monkey. Among other games, we enjoyed trading: his poker chips for my food. When he was out of poker chips, he would improvise by finding pebbles, paper, toys, and other household detritus to trade.