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  1. Amphibian Atlas

    Looking for a Montana tailed frog outside Montana or wondering in which state you might find a desert slender salamander? The U.S. Geological Survey has a Web site that identifies the places where different types of amphibians dwell across the United States. Click on any one of the 280 or so species of amphibians currently […]

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  2. Repeat After Me

    New research suggests that the ability to infer the thoughts and feelings of others grows out of a capacity for imitation exhibited by human infants and perhaps by other animals, as well.

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  3. Astronomy

    Gorgeous Gas

    Beyond their undeniable beauty, images of nearby, starlit clouds of gas and dust, known as HeII nebulae, may reveal properties of the very first stars in the universe.