Underwater Technology Searches For Missing Flight

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The fossil finger was found in a cave in the Altai Mountains of Siberia. Whoever that finger belonged to was neither human, like us, nor Neanderthal, the only other member of the human line known to be living in Europe at the time. Courtesy of Bence Viola hide caption

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Fossilized Pinky May Point To New Human Relative

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Five fossilized human skulls show how the shape of the early human face evolved: (left to right) Australopithecus africanus, 2.5 million years old; Homo rudolfensis, 1.9 million years old; Homo erectus, 1 million years old; Homo heidelbergensis, 350,000 years old; Homo sapiens, 4,800 years old. Scientists believe that climate change had a major impact on the development of early humans. Chip Clark, Jim DiLoreto, & Don Hurlbert/Smithsonian Institution hide caption

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Did Climate Change Drive Human Evolution?

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Fire Can Be Good For Global Warming

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African elephants are expected to be at the center of a contentious debate about ivory sales at next week's CITES meeting. Delegates will try to resolve disputes about other animals, including bluefin tuna and hammerhead sharks. Dan Kitwood/Getty Images hide caption

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Battle Over Ivory, Tuna Expected At Wildlife Meeting

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A life-sized reconstruction of the moment just before the dinosaur hatching and snake were preserved. The scales and patterning of the snake's skin is based on its modern relatives. The coloration of the hatchling is the artist's interpretation. Sculpture by Tyler Keillor/Photo by Ximena Erickson/Image modified by Bonnie Miljour hide caption

toggle caption Sculpture by Tyler Keillor/Photo by Ximena Erickson/Image modified by Bonnie Miljour

In Fossil Find, 'Anaconda' Meets 'Jurassic Park'

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Sizing Up The Tsunami: Why It Wasn't So Big

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When it comes to climate change, some look at the facts presented and see a coming catastrophe, others see a hoax. This difference in interpretation, social scientists say, has more to do with each individual's existing outlook than the facts. iStockphoto hide caption

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Belief In Climate Change Hinges On Worldview

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Redwoods, like those pictured above, receive up to 40 percent of their yearly water supply from fog — a resource that may be under threat, a new study suggests. iStockphoto.com hide caption

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Fog Fluctuations Could Threaten Giant Redwoods

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The Intergovernmental Panel on Climate Change, regarded as the world's top climate science institution, reported that Himalayan glaciers could completely melt by 2035. Two numbers were transposed — it should have said 2350. Climate science naysayers cite the error as evidence of bias. Channi Anand/AP hide caption

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Confidence In Climate Science Eroding Over Errors

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Get This: Warming Planet Can Mean More Snow

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An artist's Impression of "Inuk," a 4,000-year-old human whose remains were found in Greenland. Scientists have sequenced most of his DNA using tufts of his hair found in the 1980s. Nuka Godfredsen hide caption

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DNA Suggests Ancient Hunter Also Fought Baldness

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The migrant moth Autographa gamma (Silver Y), one of the species of migratory insects that have evolved sophisticated flight behaviors to optimize their migratory routes Ian Woiwod/Science hide caption

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High Above, Insects Travel On Sky Superhighways

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Storm clouds over Los Angeles. This year a strong El Nino has been responsible for severe weather over much of the U.S., including the heavy rains in California. David McNew/Getty Images hide caption

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Behind The Weather: Strongest El Nino In A Decade

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