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  1. Humans

    From the November 30, 1935, issue

    A giant salt container, slimming down overweight children, and taking isotopes for a spin.

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  2. Physics

    Shadows of Reality

    If you’re curious about different ways of viewing the fourth dimension, this Web site provides some intriguing glimpses of this strange realm. The site was created by New York artist Tony Robbin in advance of the publication of his book, Shadows of Reality, on the fourth dimension in relativity, cubism, and modern thought. The site […]

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  3. Animals

    Face Time: Bees can tell apart human portraits

    Honeybees will learn to zoom up to particular human faces in a version of a facial-recognition test used for people.