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  1. Letters

    Outsized beaver Accompanying your recent article about giant extinct beavers (“Ancient beavers did not eat trees,” SN: 11/21/09, p. 10), there is an illustration that seems to show that the extinct beaver was about twice the length of a present-day beaver. I measured each from nose to the base of the tail rather than to […]

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  2. STEM talent: Moving beyond traditional boundaries

    Our future belongs to a new breed of science, technology, engineering and math talent — decidedly different minds that will use the transformative power of science and technology to advance the human condition. STEPHANIE PACE MARSHALL “The nature and quality of our thinking shape who we become.” Photography by Feltes In this age of escalating […]

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  3. Book Review: The Elements: A Visual Exploration of Every Known Atom in the Universe by Theodore Gray

    Review by Janet Raloff.