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  1. Paleontology

    Trilobites to Go

    Extinct even before dinosaurs existed on Earth but extensively preserved in the fossil record, the eight orders of trilobites (more than 15,000 species) live on via this large, informative Web site, created by zoologist and amateur trilobite enthusiast Sam Gon III. The site provides a gallery of images, a glossary of terms, and much more. […]

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  2. 19138

    This article states, “Scientists knew that some small carnivores hunted in packs . . . .” That sounds quite subjective to me. Finding many small theropods together with a possible victim can have many interpretations. Vultures mass at a carcass, but would you say they are pack hunters? Russ AgreenDanton, Md. I can certainly understand […]

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  3. Math

    Stepping Beyond Fibonacci Numbers

    Trying variants of a simple mathematical rule that yields interesting results can lead to additional discoveries and curiosities.