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Study: Car Sharing Stalls Under Tax Burdens, Competition

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Researchers at DePaul University found that car rental taxes originally aimed at tourists and business travelers are hurting the car-sharing sector.

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Ultrasensitive Sensor Using N-Doped Graphene

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A highly sensitive chemical sensor based on Raman spectroscopy and using nitrogen-doped graphene as a substrate was developed by an international team of researchers working at Penn State.

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Scorpionfish Too Deep for SCUBA Divers Caught by Submersible Turns Out to Be a New Species

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Discovered by scientists using the manned submersible Curasub in the deep-reef waters of the Caribbean island of Curaçao, a new scorpionfish species is the latest one captured with the help of the sub's two robotic arms.

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Birds on Top of the World, with Nowhere to Go

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Climate change could make much of the Arctic unsuitable for millions of migratory birds that travel north to breed each year, according to a new international study published today in Global Change Biology.

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Murusraptor barrosaensis Likely a Megaraptorid “Giant Thief”: Patagonian Fossil of New Dinosaur Species Gives Clues to Evolutionary Origins

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A new species of megaraptorid dinosaur discovered in Sierra Barrosa in northwest Patagonia may help discern the evolutionary origins of the megaraptorid group, according to a study published July 20, 2016, in the open-access journal PLOS ONE by Philip Currie from the University of Alberta and Rodolfo Coria from the Consejo Nacional de Investigaciones Científicas y Técnicas in Argentina.

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Map Provides Detailed Picture of How the Brain Is Organized

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A detailed new map by researchers at Washington University School of Medicine in St. Louis lays out the landscape of the human cerebral cortex. The map will accelerate progress in the study of brain diseases, as well as help to elucidate what makes us unique as a species.

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NASA's Hubble Telescope Makes First Atmospheric Study of Earth-Sized Exoplanets

Astronomers have used Hubble to conduct the first search for atmospheres around temperate, Earth-sized planets beyond our solar system, uncovering clues that increase the chances of habitability on two exoplanets. They discovered that the exoplanets TRAPPIST-1b and TRAPPIST-1c, approximately 40 light-years away, are unlikely to have puffy, hydrogen-dominated atmospheres usually found on gaseous worlds.

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Travel Broadens Chimps' Horizons Too

Chimpanzees who travel are more frequent tool users, according to new findings from the University of Neuchâtel and the University of Geneva, Switzerland, to be published in eLife.

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Cave Discoveries Shed New Light on Native and European Religious Encounters in the Americas

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A project led by archaeologists from the British Museum and the University of Leicester has discovered remarkable evidence which shows how the first generations of Europeans to arrive in the Americas engaged with indigenous peoples and their spiritual beliefs deep inside the caves of a remote Caribbean island.

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Abnormalities Found in ‘Insight’ Areas of the Brain in Anorexia

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Abnormalities in brain regions involved in forming insight may help explain why some people with anorexia nervosa have trouble recognizing their dangerous, dysfunctional eating habits.

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EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 25-Jul-2016 11:00 AM EDT

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For Ancient Deep-Sea Plankton, a Long Decline Before Extinction

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A study of nearly 22,000 fossils finds that ancient plankton communities began changing in important ways as much as 400,000 years before massive die-offs ensued during one of Earth’s great mass extinctions. This turmoil, in a time of ancient climate change, could hold lessons for the modern world.

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Medication Costs Likely to Jump This Year

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Prescription medication costs are expected to rise at least 11 percent, and possibly up to 13 percent, in 2016, according to a new report on national trends and projections in prescription drug expenditures.

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Stem Cells Engineered to Grow Cartilage, Fight Inflammation

With a goal of treating worn, arthritic hips without extensive surgery to replace them, scientists at Washington University School of Medicine in St. Louis have programmed stem cells to grow new cartilage on a 3-D template shaped like the ball of a hip joint. What’s more, using gene therapy, they have activated the new cartilage to release anti-inflammatory molecules to fend off a return of arthritis.

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Freaky New Role Found for the Immune System: Controlling Social Interaction

Could immune system problems contribute to an inability to have normal social interactions? The answer appears to be yes, and that finding could have great implications for neurological conditions such as autism-spectrum disorders and schizophrenia.

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40-Year-Old Chorus Frog Tissues Vital to Louisiana Hybrid Zone Study

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LSU researchers Jeremy M. Brown and Eric N. Rittmeyer, in collaboration with colleagues at Florida State University, are shedding light on how often and where species hybridize through time, thanks to the rediscovery of 40-year-old tissue samples preserved at the LSU Museum of Natural Science, or LSUMNS. In a recent study published in Ecology and Evolution, they show that two species of chorus frogs now form hybrids across a much wider area of Louisiana and Mississippi than they did just 30-40 years earlier. A widening area of hybridization has important implications for the future of these species and suggests that recent alterations to their environment have affected their fitness or dispersal ability.

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New Theropod Dinosaur Suggests That Small T. Rex-Like Arms Evolved Multiple Times

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The discovery of a theropod dinosaur with Tyrannosaurus rex-like arms suggests that these unusual forelimbs may have evolved multiple times, according to a study published July 13, 2016 in the open-access journal PLOS ONE by Sebastián Apesteguía from the Universidad Maimónides, Argentina, and colleagues.

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Calcification – Does It Pay Off in the Future Ocean?

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An international research team has calculated the costs and benefits of calcification for phytoplankton and the impact of climate change on their important role in the world’s oceans.

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New Study of Toddlers Sheds Light on Value of FaceTime Video Chat as Meaningful Interaction

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Working parents and grandparents who FaceTime with their toddlers can take heart from a soon-to-be-published study from Lafayette College that sheds new light that on young children and how they engage in—and learn from—screen-time interactions.

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Researchers Find More Aggressive Behavior in City Birds Than Rural Ones

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The researchers' observations shed light on the effects of human population expansion on wildlife.