Environment
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Study of Pipestone Artifacts Overturns a Century-Old Assumption
In the early 1900s, an archaeologist, William Mills, dug up a treasure-trove of carved stone pipes that had been buried almost 2,000 years earlier.
Latest Research Articles
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Delayed Diversification of Eukaryotes Not Due to Lack of Zinc,Study Finds
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Colorado River Flow Likely to Decline by 10 Percent in Next Few Decades: Study
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Groundwater Causing Hawaiian Islands to Dissolve From Within, Study Shows
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Source of Gulf Sheen Near BP Oil Spill Site Still Unidentified
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Scientists Identify First Known Mosasaur That Lived in Freshwater
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Humpback Whales Sing in Feeding Grounds, Study Finds
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Microbes Hitch Rides on Dust Plumes From Asia to North America, Study Finds
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Venezuelan Pitcher Plants Use Wettable Hairs to Trap Insects
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10 Fascinating Facts About Reindeer Beyond Christmas [PHOTOS]
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New Species of Blind Catfish Discovered in South India
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Microbe May Have Caused Permian Extinction, Scientist Says