A team of Penn State researchers has developed a simple artificial cell with which to investigate the organization and function of two of the most basic
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The World Wide Fund for Nature said habitat loss and the wildlife trade have caused world biodiversity to decline by almost one third in the past 35 years.
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Friday marks the U.S. National Bike to Work Day, and as Americans face record high gas prices, most commuters are forced to stick with their cars.
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The California tortoise, whose population has fallen to an estimated 45,000 on the public lands in the western Mojave, is protected under state and federal
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