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NASA Telescopes Help Uncover Early Construction Phase of Giant Galaxy

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The birth of massive galaxies, according to galaxy formation theories, begins with the buildup of a dense, compact core that is ablaze with the glow of millions of newly formed stars. Evidence of this early construction phase, however, has eluded astronomers — until now. Astronomers identified a dense galactic core, dubbed "Sparky," using a combination of data from Hubble and Spitzer, other space telescopes, and the W.M. Keck Observatory in Hawaii. Hubble photographed the emerging galaxy as it looked 11 billion years ago, just 3 billion years after the birth of our universe in the big bang.

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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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Penn Study Shows 25 Percent Fewer Opioid-Related Deaths in States Allowing Medical Marijuana

On average, states allowing the medical use of marijuana have lower rates of deaths resulting from opioid analgesic overdoses than states without such laws. Opioid analgesics, such as OxyContin, Percocet and Vicodin, are prescribed for moderate to severe pain, and work by suppressing a person’s perception of pain. A new multi-institutional study, published in JAMA Internal Medicine and led by researchers at the Perelman School of Medicine at the University of Pennsylvania, examined the rate of deaths caused by opioid overdoses between 1999 and 2010. Results reveal that on average, the 13 states allowing the use of medical marijuana had a 24.8 percent lower annual opioid overdose mortality rate after the laws were enacted than states without the laws, indicating that the alternative treatment may be safer for patients suffering from chronic pain related to cancer and other conditions.

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Is the Universe a Bubble? Let's Check

Perimeter Associate Faculty member Matthew Johnson and his colleagues are working to bring the multiverse hypothesis, which to some sounds like a fanciful tale, firmly into the realm of testable science.

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One Injection Stops Diabetes in Its Tracks

Treatment reverses symptoms of type 2 diabetes in mice without side effects.

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Oldest Pterodactyloid Species Discovered, Named by International Team of Researchers

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An international research team, including a George Washington University (GW) professor, has discovered and named the earliest and most primitive pterodactyloid—a group of flying reptiles that would go on to become the largest known flying creatures to have ever existed—and established they flew above the earth some 163 million years ago, longer than previously known.

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University of Virginia Astronomer Trinh Thuan Awarded French Legion of Honor

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France’s ambassador to the U.S. presented that nation’s highest decoration to University of Virginia astronomer and author Trinh Thuan, citing his “exemplary personal commitment to the promotion of scientific culture and the transatlantic collaboration in the field of astrophysics.”

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Bio-Engineered Vaginas, How Do They Work? UPDATE: Watch Pre-Recorded Q&A

Newswise hosts the first live, interactive virtual event for major research finding for journalists. Newswise and Wake Forest Baptist Medical Center are collaborating to offer direct access to the investigator via Newswise Live, an interactive virtual event.

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