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  1. Humans

    From the August 17, 1935, issue

    Cactus gardening for a dry summer, Echo-sounding to locate fish, and suspended animation in humans.

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  2. Wildlife Finder

    For a sofa safari, type in a location somewhere on the planet (by city, country, or even zip code) and see what kinds of natural habitat lie nearby. Created by the World Wildlife Federation, this Web site generates a list of mammals, birds, amphibians, and reptiles reported in that type of habitat and links them […]

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  3. Animals

    Getting the Gull: Baiting trick spreads among killer whales

    A young male orca that spits up fish and then ambushes gulls attracted to the mess seems to have started a wave of cultural transmission.