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  1. Computing

    Social Networking for Zebras

    Scientists are developing a new branch of network theory to understand zebra communities.

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  2. Humans

    Letters from the December 1, 2007, issue of Science News

    Bed nets and insecticides Kenyan researchers report that insecticide-treated bed nets can reduce malaria-related deaths in children (“Keep Out: Treated mosquito nets limit child deaths,” SN: 9/29/07, p. 195). While these nets appear to provide preventive measures against malaria, my only concern is the toxicity of the insecticides. The World Health Organization lists two of […]

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  3. Humans

    From the November 20, 1937, issue

    An American Nobel laureate in physics, the need for research in the chemistry of petroleum, and a new way to send photographs by telegraph.