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A reporter's PressPass is required to access this story until the embargo expires on 28-Aug-2014 1:00 PM EDT

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Orion Rocks! Pebble-Size Particles May Jump-Start Planet Formation

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Astronomers using the Green Bank Telescope have discovered that filaments of star-forming gas near the Orion Nebula may be brimming with pebble-size particles -- planetary building blocks 100 to 1,000 times larger than the dust grains typically found around protostars.

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Best View Yet of Merging Galaxies in Distant Universe

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An international team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) and the Karl G. Jansky Very Large Array (VLA) -- among other telescopes -- has obtained the best view yet of a collision between two galaxies when the Universe was only half its current age.

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Trash Burning Worldwide Significantly Worsens Air Pollution

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Unregulated trash burning around the globe is pumping far more pollution into the atmosphere than shown by official records. A new study led by NCAR estimates that more than 40 percent of the world’s garbage is burned in such fires, with emissions that can substantially affect human health and climate.

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Geologist Discovers Natural Methane Seepage in an Unlikely Place

New questions about geology, oceanography and seafloor ecosystems are being raised because of research by a Mississippi State University geologist.

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Marine Protected Areas Might Not Be Enough to Help Overfished Reefs Recover

Pacific corals and fish can both smell a bad neighborhood, and use that ability to avoid settling in damaged reefs.

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Biologists Reprogram Skin Cells to Mimic Rare Disease

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Stem cell biologists have reprogrammed skin cells from patients with a rare genetic disorder, called familial dysautonomia, into neural crest cells that mimic and display many biological features of the disease. The research expedites the creation of these precursor cells from any patient with a neural crest-related disorder, allowing scientists to study each patient’s disorder at the cellular level.

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The Oldest Metal Object Found to Date in the Middle East

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A copper awl, the oldest metal object found to date in the Middle East, was discovered during the excavations at Tel Tsaf.

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Scientists Discover Area of Brain Responsible for Exercise Motivation

Scientists at Seattle Children’s Research Institute have discovered an area of the brain that could control a person’s motivation to exercise and participate in other rewarding activities – potentially leading to improved treatments for depression.

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