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Stop and Smell the Attar: Rose Oil Extraction in Bulgaria and France

If you’ve been near a garden lately, chances are your nose has picked up on the unmistakable scent of the roses in full-bloom in many places right now. The sight of the rose certainly holds a great amount of symbolic meaning in cultures throughout the world, though it can be argued that smell is even more important. According to an article on the "attar" or fragrant oils of the rose in the May 1921 Scientific American Supplement , “Supreme among the charms of the rose is its exquisite and haunting fragrance, a fragrance at once delicate and powerful…Small wonder that the ancients felt the perfume to be the soul of the rose…” [More]

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Troubled Probe Upholds Einstein

By Eugenie Samuel Reich of Nature magazine An epic victory over daunting challenges, or a costly project that should never have flown? After nearly half a century of work and US$750 million spent, Gravity Probe B, one of NASA's longest-running mission programs, has finally achieved some scientific closure. [More]

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Can Renewables Power the World? IPCC Thinks So

UNITED NATIONS -- The world's leading climate change research organization issued a report yesterday that has renewable energy boosters cheering, as it foresees substantial growth in alternative energy sources over the next 40 years.

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U.N. chief calls for nuclear safety boost

By Stephanie Nebehay GENEVA (Reuters) - Countries using nuclear energy must ensure their reactors are built to withstand multiple disasters after Japan's accident revealed gaps in safety standards, U.N. Secretary-General Ban Ki-moon said on Tuesday. [More]

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When, and why, did everyone stop eating gluten?

Celiac disease is an autoimmune disease in which the ingestion of gluten induces enteropathy, or inflammation of the gut, in genetically susceptible individuals. This destruction of the gut means that nutrients cannot be absorbed, leading to a variety of clinical symptoms: anemia due to the lack of iron, atherosclerosis due to the lack of calcium, failure to thrive in children, and GI stress, among others.

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The Catlin Arctic Survey: Going home

Saying goodbye to friends is always hard, especially when we have spent seven of the most grueling weeks of our lives together. After so long away I had begun to think that my sojourn on the ice was endless, however the final week rolled around surprisingly quickly.

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Chile OKs divisive mega hydroelectric dam project

SANTIAGO (Reuters) - Chile gave the green light on Monday to the divisive $3.5 billion HidroAysen hydro-power dam project that promises to ease energy squeezes, despite objections that it will ruin pristine Patagonian valleys.

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