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Mystery of coronae around supermassive black holes deepens  

Tokyo, Japan (SPX) Dec 19, 2018 Researchers from RIKEN and JAXA have used observations from the ALMA radio observatory located in northern Chile and managed by an international consortium including the National Astronomical Observatory of Japan (NAOJ) to measure, for the first time, the strength of magnetic fields near two supermassive black holes at the centers of an important type of active galaxies. Surprisingly, the streng

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2018-12-19 01:01:17



Russia to Decommission Carrier Vehicle With Ukraine-Made Components  

Moscow (Sputnik) Dec 19, 2018 The last launches of the Rokot carrier rocket fitted with a Ukrainian-made control system will be carried out in 2019, then the vehicle will be decommissioned, a source in the space industry told Sputnik on Tuesday. "In 2019, it is planned to carry out two launches of Rokot [launch vehicle] with Briz-KM upper stages from the Plesetsk cosmodrome, after which the rocket will be decommissione

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2018-12-19 01:01:17



Winning ideas for new space transport services  

Paris (ESA) Dec 19, 2018 Imagine moving satellites to higher orbits, collecting space debris, and dedicated launches for small satellites. These are the winning entries of ESA's call for ideas on new commercial space transportation services. This campaign aimed to foster open innovation and offer encouragement to those with new ideas within the privately-funded space sector. It has given ESA a valuable insig

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2018-12-19 01:01:17



Israeli spacecraft gets special passenger before moon journey  

Yehud, Israel (AFP) Dec 17, 2018 Israeli scientists making final preparations to launch the country's first spacecraft to the moon added a special passenger on Monday that will accompany the journey. A time capsule of three digital discs containing thousands of files was ceremoniously placed within the space pod by organisers wearing white dust coats at the plant where it is being constructed and tested. They included d

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2018-12-19 01:01:17



Celestia wins major ESA contract for UK  

London, UK (SPX) Dec 19, 2018 Harwell based Celestia Technologies Group UK Ltd (CTG UK) has signed an 8m euro contract with the European Space Agency (ESA) for the development of the next generation of Gateway ground stations. The three-year programme will create a fully electronic scanning (eScan) ground station, capable of tracking and communicating simultaneously with multi satellites. Initial development activity w

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2018-12-19 01:01:17



InSight Engineers Have Made a Martian Rock Garden  

Pasadena CA (JPL) Dec 19, 2018 NASA's InSight lander is due to set its first science instrument on Mars in the coming days. But engineers here on Earth already saw it happen - last week. Like NASA's Curiosity rover, InSight has a full-scale working model at the agency's Jet Propulsion Laboratory in Pasadena, California. This sister lander, aptly named ForeSight, lets the team test all operations before they happen on Ma

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2018-12-19 01:01:17



Elon Musk's SpaceX set to raise $500 mn: report  

New York (AFP) Dec 18, 2018 Elon Musk's rocket company SpaceX plans to raise $500 million to help launch its satellite internet service, The Wall Street Journal reported Tuesday. SpaceX will garner the funds from existing shareholders and a new investor, Baillie Gifford & Co, a Scottish money management firm that is also a major shareholder in the Musk-led Tesla Motors. The new funding round lifts SpaceX's valuatio

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2018-12-19 01:01:17



Fossil Gas Cloud from the Big Bang Discovered with Keck Observatory  

Kamuela HI (SPX) Dec 19, 2018 A relic cloud of gas, orphaned after the Big Bang, has been discovered in the distant universe by astronomers using the world's most powerful optical telescope, the W. M. Keck Observatory on Maunakea, Hawaii. The discovery of such a rare fossil, led by PhD student Fred Robert and Professor Michael Murphy at Swinburne University of Technology, offers new information about how the first gala

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2018-12-19 01:01:17



NASA's Plum Brook Station Completes Acoustic Test for SLS  

Sandusky, OH (SPX) Dec 19, 2018 Researchers at NASA's Plum Brook Station in Sandusky, Ohio, recently completed a development test on a proposed design of acoustic panels for the Space Launch System's (SLS) Universal Stage Adapter. Given the extreme sound produced by the world's most powerful rocket, this test series, conducted at Plum Brook's Reverberant Acoustic Test Facility, provided data for acoustic modeling that wi

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2018-12-19 01:01:17



Russia's Vostochny Cosmodrome to Have Only One Space Launch in 2019  

Moscow (Sputnik) Dec 19, 2018 There is only one launch planned to be conducted from Russia's Vostochny cosmodrome next year, a source in the space industry told Sputnik Tuesday. "Most likely, it will be the launch of the Soyuz-2.1b booster... planned for spring or summer 2019," the source said. The first launch from the cosmodrome, on which construction commenced in 2012, was held on April 28, 2016. Vostoch

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2018-12-19 01:01:17



Space telescope detects water in a number of asteroids  

Kobe, Japan (SPX) Dec 19, 2018 Using the infrared satellite AKARI, a Japanese research team has detected the existence of water in the form of hydrated minerals in a number of asteroids for the first time. This discovery will contribute to our understanding of the distribution of water in our solar system, the evolution of asteroids, and the origin of water on Earth. The findings were made by the team led by the Project

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2018-12-19 01:01:17



BepiColombo's first routine firing in space  

Paris (ESA) Dec 19, 2018 On Monday this week, BepiColombo began its very first routine electric propulsion firing. After meticulous testing of the spacecraft's four high-tech ion thrusters, the mission team have now fired up the spacecraft for its first thruster burn 'arc'. Travelling nine billion kilometers in total, BepiColombo will make nine flybys at Earth, Venus and Mercury, looping around the Sun 18 ti

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2018-12-19 01:01:17



New Horizons Takes the Inside Course to Ultima Thule  

Laurel MD (SPX) Dec 19, 2018 With no apparent hazards in its way, NASA's New Horizons spacecraft has been given a "go" to stay on its optimal path to Ultima Thule as it speeds closer to a Jan. 1 flyby of the Kuiper Belt object a billion miles beyond Pluto - the farthest planetary flyby in history. After almost three weeks of sensitive searches for rings, small moons and other potential hazards around the object, New H

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2018-12-19 01:01:17



Super-Fast 3-Hour Manned Flights to ISS to Begin in 18 Months  

Moscow (Sputnik) Dec 19, 2018 Manned flights to the International Space Station (ISS) under an ultra-fast three-hour scheme involving circling the Earth twice, will begin in a year and a half, Dmitry Rogozin, the head of Russian state space corporation Roscosmos, said on Sunday. "We are planning to repeat the launch of the Progress cargo spacecraft in an ultra-short two-rotation scheme next March. The flight time is th

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2018-12-19 01:01:17



Trump orders US military to create 'Space Command'  

Washington (AFP) Dec 18, 2018 US President Donald Trump on Tuesday ordered the creation of "Space Command," a new organizational structure within the Pentagon that will have overall control of military space operations. The command will be separate from Trump's goal to build an entirely new branch of the military called "Space Force," which has not received approval from Congress. "I direct the establishment, consist

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2018-12-19 01:01:17



This 200-Acre, 'Humungous Fungus' May Help Unravel Why Cancer Genes Are Unstable  

In the mid-'80s, scientists discovered a giant fungus growing in Michigan's Upper Peninsula. Now, researchers have found the organism is at least 2,500 years old. And the secret to the mushroom's longevity might be a genome that's highly resistant to mutation, the team reports today in the journal Proceedings of the Royal Society B. The discovery could help researchers figure out why cancer genomes are so unstable. Forest Recycler In 1983, Johann Bruhn planted red pines in the fore...

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2018-12-19 00:01:17



When Black Hole Jets Create Natural Particle Accelerators  

Cosmic rays are energetic particles moving at high speeds. Because it takes significant energy to create them, they often serve as cosmic messengers, revealing clues about the extreme environments that produce them — such as supermassive black holes. On Earth, scientists use accelerators to generate and study particles moving at high speeds, but nature needs no such apparatus. Now, researchers at the Department of Energy's SLAC National Accelerator Laboratory have found a possible mechanis...

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2018-12-18 23:30:52



SNAPSHOT: This Hummingbird's Elaborate Mating Display Lasts Just Milliseconds  

Hellooo, ladies! This male broad-tailed hummingbird was captured on the upswing of a dramatic dive meant to impress a potential mate. Many male birds put on a flashy show to woo females, and the broad-tailed hummingbird is no exception. Princeton University researchers Benedict Hogan and Mary Caswell Stoddard have been studying the courtship routines of this tiny Don Juan, published today in the journal Nature Communications. A male looking to catch a lady hummingbird's eye will cl...

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2018-12-18 23:00:33



Virgin Galactic Teases Their Timeline For Sending Tourists to Space  

Last week, Virgin Galactic made history when they launched their SpaceShipTwo suborbital vehicle to space (by one definition) and back with two test pilots on board. This was the first vehicle to launch humans to space from U.S. soil since NASA's Shuttle program ended in 2011. This was also the first time a commercial craft built to carry paying passengers reached space. But what's next for the spaceflight company? Virgin Galactic founder Richard Branson says he plans to be the first...

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2018-12-18 19:37:00



Long-Hidden "Pyramid" Found in Indonesia Was Likely an Ancient Temple  

The structure has potentially been used as a place of worship for thousands of years -- Read more on ScientificAmerican.com

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2018-12-18 19:30:00



Amplifying the Voices of Women in Medicine  

The field has plenty of talented women, but to reach leadership roles they must have visible and recognizable roles within medicine and in the public -- Read more on ScientificAmerican.com

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2018-12-18 19:00:00



Arctic Lakes Are Vanishing by the Hundreds  

Warming temperatures may be causing tundra ponds to evaporate or drain into thawing permafrost -- Read more on ScientificAmerican.com

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2018-12-18 18:00:00



European Orbiter Finds No Methane in Mars' Atmosphere, Puzzling Scientists  

Methane on Mars There's a methane mystery brewing on Mars. Scientists first detected traces of methane gas on Mars years ago, and it was exciting because the compound is a sign of life here on Earth. But a European orbiter has yet to find any evidence of methane in the planet's atmosphere, despite being expressly made for the purpose. It's complicating scientists' search for life on the Red Planet. Traces of methane were first detected in Mars' atmosphere by the European Space Age...

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2018-12-18 17:49:19



Removing sweets from checkouts linked to dramatic fall in unhealthy snack purchases  

Policies aimed at removing sweets and chips from checkouts could lead to a dramatic reduction to the amount of unhealthy food purchased to eat 'on the go' and a significant reduction in that purchased to take home, suggests new research.

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2018-12-18 17:15:53



Southwest forest trees will grow much slower in the 21st century  

Southwest forests may decline in productivity on average as much as 75 percent over the 21st century as climate warms. The finding is based on a treasure trove of about 20,000 unanalyzed tree cores discovered in a Utah laboratory about a decade ago.

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2018-12-18 17:15:50



Using CRISPR technology for conditional gene regulation  

CRISPR allows scientists to precisely target and edit DNA within living cells, which could help them correct anomalies that cause inherited diseases. A team has now developed a method to use CRISPR/Cas9 technology to set off a cascade of activities in cells, a phenomenon known as conditional gene regulation.

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2018-12-18 17:15:47



Gender separation affects sense of smell  

Olfactory sensory receptors in mice change as a function of exposure to odors emitted from members of the opposite sex, researchers have discovered.

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2018-12-18 17:15:44



Uncovering a key mechanism in assembly of Avian Sarcoma Virus, a relative of HIV-1  

Researchers used NMR to detail how the matrix domain of the Avian Sarcoma Virus Gag protein binds to certain phospholipids. These phospholipids are vital for Gag protein binding to the plasma membrane of a cell, as the virus replicates and takes its first step toward virus formation and budding. ASV is widely used as a model to study mechanisms of HIV infection and replication.

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2018-12-18 17:15:41



Meet The Real Ravenmaster  

Christopher Skaife talks about his new book The Ravenmaster: My Life With the Ravens at the Tower of London, in front of a live audience at Caveat, “the speakeasy bar for intelligent... -- Read more on ScientificAmerican.com

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2018-12-18 17:09:00



The 1918 Influenza Pandemic: How Far Have We Come?  

We now know the cause of flu—but the universal vaccine and the antiviral drugs we need to stop it still elude us -- Read more on ScientificAmerican.com

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2018-12-18 17:00:00



"Farout!" Newfound Object Is the Farthest Solar System Body Ever Spotted  

The pink-colored object is nearly 4 times more distant from the Sun than Pluto, and hints at the possibility of an as-yet-undiscovered giant planet farther out -- Read more on ScientificAmerican.com

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2018-12-18 16:00:00



Gene identified with a key role in plant adaptation to fluctuating soil salinity levels  

Researchers have identified modifications in a sodium transporter gene with key consequences for plants needing to adapt to fluctuating soil salinity. The research can help to improve the sustainability of crops in rising salinity levels associated with climate change and human pressure.

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2018-12-18 14:42:51



Scientists develop method to visualize a genetic mutation  

A team of scientists has developed a method that yields, for the first time, visualization of a gene amplifications and deletions known as copy number variants in single cells. Significantly allows early detection of rare genetic events providing high resolution analysis of the tempo of evolution.

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2018-12-18 14:42:48



With a focus on high-risk patients, researcher eyes eliminating TB for good  

A focus on high-risk tuberculosis patients may be the answer to stalled progress in stamping out the illness in the United States.

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2018-12-18 14:42:42



Artificial intelligence meets materials science  

A research team is harnessing the power of machine learning, data science and the domain knowledge of experts to autonomously discover new materials.

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2018-12-18 14:42:39



Today's children reach bone maturity earlier, study reveals  

Children born in the most recent century have bones that reach full maturity earlier -- by nearly 10 months in girls and nearly seven months in boys -- according to a new study.

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2018-12-18 14:42:36



Graphene's magic is in the defects  

A team of researchers has solved a longstanding puzzle of how to build ultra-sensitive, ultra-small electrochemical sensors with homogenous and predictable properties by discovering how to engineer graphene structure on an atomic level.

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2018-12-18 14:42:33



Greener days ahead for carbon fuels?  

A discovery shows that recycling carbon dioxide into valuable chemicals and fuels can be economical and efficient -- all through a single copper catalyst.

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2018-12-18 14:42:30



Optimizing restoration can deliver an eightfold increase in cost-effectiveness  

A new study presents a novel approach to identify optimal priority areas for restoration, considering multiple criteria such as biodiversity conservation, climate change mitigation and reduction of costs. In a context of multiple local, national and global targets for ecosystem restoration, the study presents a flexible tool capable of increasing restoration cost-effectiveness by up to eight times.

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2018-12-18 14:42:28



Machine-learning research unlocking molecular cages' energy-saving potential  

Nanosized cages may play a big role in reducing energy consumption in science and industry, and machine-learning research aims to accelerate the deployment of these remarkable molecules.

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2018-12-18 14:42:25



Computers Determine States of Consciousness  

A machine learning algorithm uses EEG traces to find a patient’s odds of waking -- Read more on ScientificAmerican.com

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2018-12-18 13:30:00



Climate change also wiped out life on Earth 252 million years ago  

Washington (UPI) Dec 13, 2018 Some 252 million years ago, nearly all live on Earth vanished. The fossil record suggests some 96 percent of all marine life disappeared, and scientists suspect the magnitude of losses on land was similar. But until now, scientists weren't sure what exactly caused the massive Permian Period extinction, an even known as the Great Dying. Researchers knew a series of volcanic erupti

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2018-12-18 12:46:06



ALBus hopes to increase power availability for CubeSats  

Cleveland OH (SPX) Dec 18, 2018 A new CubeSat, launched Sunday, December 16, will test high power electric systems and the use of unique shape memory alloy (SMA) components for the first time. Completely designed and led by a team of 12 early career scientists and engineers at NASA's Glenn Research Center in Cleveland, the Advanced Electrical Bus, or ALBus, will be the first CubeSat to demonstrate power management and di

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2018-12-18 12:46:06



Massive New Dark Matter Detector Gets Its 'Eyes'  

Providence, RI (SPX) Dec 18, 2018 The LUX-ZEPLIN (LZ) dark matter detector, which will soon start its search for the elusive particles thought to account for a majority of matter in the universe, had its first set of "eyes" delivered Thursday. The first of two large arrays of photomultiplier tubes (PMTs) - powerful light sensors that can detect the faintest of flashes - completed a 2,000-mile journey by truck from Rhode Is

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2018-12-18 12:46:06



NASA Research Reveals Saturn is Losing Its Rings at "Worst-Case-Scenario" Rate  

Greenbelt MD (SPX) Dec 18, 2018 New NASA research confirms that Saturn is losing its iconic rings at the maximum rate estimated from Voyager 1 and 2 observations made decades ago. The rings are being pulled into Saturn by gravity as a dusty rain of ice particles under the influence of Saturn's magnetic field. "We estimate that this 'ring rain' drains an amount of water products that could fill an Olympic-sized swimming p

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2018-12-18 12:46:06



Planets with Oxygen Don't Necessarily Have Life  

Baltimore MD (SPX) Dec 18, 2018 In their search for life in solar systems near and far, researchers have often accepted the presence of oxygen in a planet's atmosphere as the surest sign that life may be present there. A new Johns Hopkins study, however, recommends a reconsideration of that rule of thumb. Simulating in the lab the atmospheres of planets beyond the solar system, researchers successfully created both organ

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2018-12-18 12:46:06



A nuclear-powered 'tunnelbot' to search for life on Jupiter's icy moon Europa  

Chicago IL (SPX) Dec 18, 2018 Between 1995 and 2003, NASA's Galileo spacecraft made several flybys of Jupiter's moon, Europa. Several findings from observations of the moon pointed to evidence of a liquid ocean beneath Europa's icy surface. The ocean, researchers believe, could harbor microbial life, or evidence of now-extinct microbial life. While researchers generally agree on where to look - underneath the thick, planet-

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2018-12-18 12:46:06



Las Cumbres builds new instrument to study December comet  

Goleta CA (SPX) Dec 17, 2018 A special visitor is crossing the sky this December: Comet 46P/Wirtanen, sighted with telescopes and binoculars in recent weeks, is on the way to its closest approach to Earth this weekend, when it might become visible to the naked eye. "Comet 46P/Wirtanen has been a popular proposed target comet for several spacecraft missions. This has resulted in intensive observation campaigns from the

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2018-12-18 12:46:06



NASA Sends CubeSats to Space on First Dedicated Launch with US Partner Rocket Lab  

Mahia Peninsula, New Zealand (SPX) Dec 16, 2018 A series of new CubeSats now are in space, conducting a variety of scientific investigations and technology demonstrations, following launch Sunday of Rocket Lab's first mission for NASA under a Venture Class Launch Services (VCLS) contract. An Electron rocket lifted off at 1:33 a.m. EST (7:33 p.m. NZDT) from the company's launch complex on the Mahia Peninsula in New Zealand, marking the f

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2018-12-18 12:46:06



Spacecraft Repo Operations  

Bethesda, MD (SPX) Dec 18, 2018 Soon, the number of active satellites in low-Earth orbits (LEO) will likely increase by a factor of 10. Several entrepreneurial companies are planning to launch huge new constellations, each containing hundreds or thousands of broadband and other satellites, and all in the most active zone of space. Many of these constellations will be financed by banks and capital investment firms. Of cou

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2018-12-18 12:46:06



Fragmenting disk gives birth to binary star 'odd couple'  

Charlottesville VA (SPX) Dec 17, 2018 Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered that two young stars forming from the same swirling protoplanetary disk may be twins - in the sense that they came from the same parent cloud of star-forming material. Beyond that, however, they have shockingly little in common. The main, central star of this system, which is located approximately 11,

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2018-12-18 12:46:06



Mystery of Black Hole Coronae Deepens  

Saitami, Japan (SPX) Dec 18, 2018 Researchers from RIKEN and JAXA have used observations from the ALMA radio observatory located in northern Chile and managed by an international consortium including the National Astronomical Observatory of Japan (NAOJ) to measure, for the first time, the strength of magnetic fields near two supermassive black holes at the centers of an important type of active galaxies. Surprisingly, the

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2018-12-18 12:46:06



Narrowing the universe in the search for life  

Columbus OH (SPX) Dec 18, 2018 Humankind's exploration of space has for years pondered one central question: Is there another world somewhere in the universe where human beings could survive? And as astrophysicists and astronomers have searched for the answer, they've traditionally looked for a world that has water. But Wendy Panero, professor of earth sciences at The Ohio State University, has developed a new way

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2018-12-18 12:46:06



A young star caught forming like a planet  

Leeds UK (SPX) Dec 17, 2018 Astronomers have captured one of the most detailed views of a young star taken to date, and revealed an unexpected companion in orbit around it. While observing the young star, astronomers led by Dr. John Ilee from the University of Leeds discovered it was not in fact one star, but two. The main object, referred to as MM 1a, is a young massive star surrounded by a rotating disk of ga

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2018-12-18 12:46:06



Most Distant Solar System Object Ever Observed  

Washington DC (SPX) Dec 18, 2018 A team of astronomers has discovered the most distant body ever observed in our solar system. It is the first known solar system object that has been detected at a distance that is more than 100 times farther than Earth is from the Sun. The new object was announced on Monday, December 17, 2018, by the International Astronomical Union's Minor Planet Center

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2018-12-18 12:46:06



A method to monitor indoor crop health no matter what planet you're on  

Washington DC (SPX) Dec 18, 2018 As the world urbanizes and technologies such as LED grow lights bring down costs, indoor farming is becoming an increasingly important part of the food supply. Eventually, indoor farming techniques could help humans maintain a healthy diet in space. However, because of the completely closed systems in which indoor crops are grown, imbalances in soil nutrients, salinity, temperature, and other fa

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2018-12-18 12:46:06



Can Rivers Cause Earthquakes?  

If so, it could help explain some quakes that happen far from tectonic-plate boundaries -- Read more on ScientificAmerican.com

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2018-12-18 12:45:00



Gut microbiome regulates the intestinal immune system  

A new study in mice unveils the role of vitamin A in immune system regulation, a finding that could assist in developing treatments for autoimmune and inflammatory diseases as well as vitamin A deficiency.

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2018-12-18 12:31:23



Biologists identify promising drug for ALS treatment  

Scientists have found a new application for an existing drug, with potential to slow progression of amyotrophic lateral sclerosis.

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2018-12-18 12:31:20



Understanding dynamic stall at high speeds  

Although many fixed-wing aircraft can withstand similar rapid pitch-up maneuvers, a vehicle subject to this dynamic stall process is not reliably controllable. Motivated by the lack of detailed understanding, researchers took a deep dive into the physics of dynamic stall so that it can be used beneficially and reliably by aircraft.

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2018-12-18 12:31:18



Broading the biodiversity catalogue of spider populations in the Iberian Peninsula  

The biodiversity catalogue of the Iberian Peninsula spiders is now adding the discovery of a dozen new species -- from seven different families -- that are mainly found in edaphic environments (soil), according to a new article.

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2018-12-18 11:52:24



Buruli ulcer: Promising new drug candidate against a forgotten disease  

Buruli ulcer is a neglected tropical disease (NTD) resulting in debilitating skin lesions, disabilities and stigmatisation. The current antibiotic treatment is long and has severe adverse side effects. Researchers have discovered a highly effective compound against Buruli ulcer which has the potential to become a powerful alternative to the existing treatment options.

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2018-12-18 11:52:18



Technique allows integration of single-crystal hybrid perovskites into electronics  

Researchers have developed a technique that, for the first time, allows single-crystal hybrid perovskite materials to be integrated into electronics. Because these perovskites can be synthesized at low temperatures, the advance opens the door to new research into flexible electronics and potentially reduced manufacturing costs for electronic devices.

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2018-12-18 11:52:14



Nearly one in five Tibetan refugee schoolchildren has tuberculosis infection, study finds  

In a tuberculosis screening and treatment initiative covering the entire population of Tibetan refugee schoolchildren in northern India, a team of researchers says it has found not only a startlingly high prevalence of TB disease and infection, but also a potentially workable strategy to eliminate the disease in a large, high-risk group.

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2018-12-18 11:52:11



Sofosbuvir rids organism of chikungunya and yellow fever viruses  

Sofosbuvir is already used to treat hepatitis C and has passed all human use approval tests, so it can be fairly easily deployed if the chikungunya epidemic forecast for the next two years materializes.

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2018-12-18 11:52:08



Fossils suggest flowers originated 50 million years earlier than thought  

The discovery in China of fossil specimens of a flower called Nanjinganthus from the Early Jurassic shakes up widely accepted theories of plant evolution.

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2018-12-18 11:52:05



How breast cancer avoids immune system detection  

Researchers analyzed data from more than 1,000 breast cancer patients and found that breast cancer behaves differently than other cancers that are currently treated with immunotherapy. They identified seven clusters of breast cancer patients based on the immune evasion mechanisms that breast cancer uses to avoid detection.

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2018-12-18 11:52:02



Assessing the promise of gallium oxide as an ultrawide bandgap semiconductor  

In microelectronic devices, the bandgap is a major factor determining the electrical conductivity of the underlying materials, and a more recent class of semiconductors with ultrawide bandgaps are capable of operating at much higher temperatures and powers than conventional small-bandgap silicon-based chips. Researchers now provide a detailed perspective on the properties, capabilities, current limitations and future developments for one of the most promising UWB compounds, gallium oxide.

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2018-12-18 11:51:59



Widespread, occasional use of antibiotics in US linked with resistance  

The increasing prevalence of antibiotic resistance in the U.S. appears more closely linked with their occasional use by many people than by their repeated use among smaller numbers of people, according to a large new study.

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2018-12-18 11:51:56



Deciphering infanticide  

It may seem like one of the cruelest aspects of the natural world, but a new study is pinpointing the suite of factors, including the shape of the pup and a specific set of olfactory signals, or pheromones, that trigger infanticide in mice.

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2018-12-18 11:51:53



Dive-bombing for love: Male hummingbirds dazzle females with a highly synchronized display  

Male Broad-tailed Hummingbirds perform dramatic aerial courtship dives to impress females. In a new study, scientists have shown that diving males closely time key events to produce a burst of signals for the viewer. They synchronize maximal horizontal speed, loud noises generated with their tail feathers, and a display of their iridescent throat-patch (gorget), performed in a mere 300 milliseconds -- roughly the duration of a human blink.

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2018-12-18 11:51:50



Extraordinary 'faithful father' revealed by study of smooth guardian frog of Borneo  

New research shows the male smooth guardian frog is a kind of amphibian 'Mr. Mom.'

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2018-12-18 11:51:47



The importance of 'edge populations' to biodiversity  

More than two-thirds of Canada's biodiversity is made up of species that occur within the country's borders only at the very northern edge of their range. Biologists have long debated how much effort should be dedicated to conserving these 'edge populations.' One argument in their favor is that they may be especially well suited to lead northward range shifts for their species as the climate warms.

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2018-12-18 11:51:45



Recruiting ants to fight weeds on the farm  

Harvester ants that eat weed seeds on the soil's surface can help farmers manage weeds on their farms, according to an international team of researchers, who found that tilling less to preserve the ants could save farmers fuel and labor costs, as well as preserve water and improve soil quality.

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2018-12-18 11:51:42



A new model of ice friction helps scientists understand how glaciers flow  

Despite the looming ecological consequences, glacier motion remains poorly understood. The bedrock, the ice-bed interface and the water-filled cavities all affect friction and influence how the ice will flow, but studying these poses challenges -- remote radar sensing can track glacial movement, but it can't measure detailed properties of the ice and rock.

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2018-12-18 11:51:39



Peering into Little Foot's 3.67-million-year-old brain  

MicroCT scans of the Australopithecus fossil known as Little Foot shows that the brain of this ancient human relative was small and shows features that are similar to our own brain and others that are closer to our ancestor shared with living chimpanzees.

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2018-12-18 11:51:37



Chemistry: The vanished mirror image  

Enantiomeric molecules resemble each other like right and left hands. Both variants normally arise in chemical reactions. But frequently only one of the two forms is effectual in biology and medicine. Hitherto, completely converting this mixture into the desired enantiomer was deemed impossible. Deploying a photochemical method, a team has now achieved this feat.

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2018-12-18 11:51:34



Low-income, rural kids at higher risk for second- or third-hand smoke exposure  

Infants and toddlers in low-income, rural areas may be at higher risk for second- and third-hand smoke than previously reported, according to new research.

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2018-12-18 11:51:32



Two ways cancer resists treatment are actually connected, with one activating the other  

Researcher shows the two most common means of resistance to BRAF and MEK inhibitors are actually connected processes and can be targeted by other therapies.

what do you think?

2018-12-18 11:51:26



Upwind wind plants can reduce flow to downwind neighbors  

New research highlights a previously unexplored consequence of the global proliferation of wind energy facilities: a wake effect from upwind facilities that can reduce the energy production of their downwind neighbors.

what do you think?

2018-12-18 11:51:24



A versatile vaccine that can protect mice from emerging tick-borne viruses  

Researchers have developed a vaccine that is effective in mice against Powassan virus, an emerging tick-borne virus that can cause life-threatening encephalitis in humans. They also show that the vaccine produces antibodies that can protect the mice against other, related tick-transmitted flaviviruses.

what do you think?

2018-12-18 11:51:21



Experts identify 'tipping point' in tree disease outbreaks  

Experts have found a way to model disease progression and predict the 'tipping point' of a disease, providing early warning indicators that an epidemic is imminent and action needs to be taken.

what do you think?

2018-12-18 11:51:18



New megalibrary approach proves useful for the rapid discovery of new materials  

Identifying the best material for a given application -- catalysts, light-harvesting structures, biodiagnostic labels, pharmaceuticals and electronic devices -- is traditionally a slow and daunting task. Now, a new study supports the efficacy of a potentially revolutionary new discovery tool to rapidly test millions (even billions) of nanoparticles to determine the best for a specific use. The tool is thousands of times faster than conventional screening methods.

what do you think?

2018-12-18 11:51:16



System monitors radiation damage to materials in real-time  

A new system allows detailed real-time observations of how materials are affected by a high-radiation environment. The system could accelerate the development of better materials for nuclear plants.

what do you think?

2018-12-18 11:51:13



A Network Theorist Seeks "Universal Laws" of Success  

A scientist leverages big data to pin down precepts that extend beyond the self-help aisle -- Read more on ScientificAmerican.com

what do you think?

2018-12-18 11:45:00



Flexible thermoelectric generator module: A silver bullet to fix waste energy issues  

Researchers developed an inexpensive large-scale flexible thermoelectric generator (FlexTEG) module with high mechanical reliability for highly efficient power generation. Through a change in direction of the top electrodes at the two sides of the module and the use of high density packaging of semiconductor chips, the FlexTEG module has more flexibility in any uniaxial direction.

what do you think?

2018-12-18 10:04:16



Oroville Dam earthquakes in February 2017 related to spillway discharge  

A closer look at small earthquakes that took place at the Oroville Dam in California's Sierra Nevada foothills in February 2017 -- near the time when the dam's spillway failed -- suggest that the seismic activity was related to reservoir discharge that opened and closed fractures in the rock below the spillway.

what do you think?

2018-12-18 10:04:13



Takeaway containers -- the environmental cost of packing our favorite fast-foods  

Scientists say more should be done to tackle the growing environmental impact of takeaway food containers. A new study estimates there are 2025 million takeaway containers per year being used in the European Union (EU) alone. It also says finding a way to recycle disposable takeaway containers could help reduce equivalent greenhouse gas emissions generated annually by 55,000 cars.

what do you think?

2018-12-18 10:04:10



Space telescope detects water in a number of asteroids  

Using the infrared satellite AKARI, a research team has detected the existence of water in the form of hydrated minerals in a number of asteroids for the first time. This discovery will contribute to our understanding of the distribution of water in our solar system, the evolution of asteroids, and the origin of water on Earth.

what do you think?

2018-12-18 10:04:07



HPV discovery raises hope for new cervical cancer treatments  

Researchers have made a discovery about human papillomavirus (HPV) that could lead to new treatments for cervical cancer and other cancers caused by the virus, the most common sexually transmitted disease.

what do you think?

2018-12-18 10:04:04



Mystery of coronae around supermassive black holes deepens  

Researchers have used observations from the ALMA radio observatory to measure, for the first time, the strength of magnetic fields near two supermassive black holes at the centers of an important type of active galaxies. Surprisingly, the strengths of the magnetic fields do not appear sufficient to power the 'coronae,' clouds of superheated plasma that are observed around the black holes at the centers of those galaxies.

what do you think?

2018-12-18 10:04:02



Explaining differences in rates of evolution  

Scientists look to fossils and evolutionary trees to help determine the rate of evolution -- albeit with conflicting results. A new model has helped to resolve these contradictions.

what do you think?

2018-12-18 10:03:59



Pathogen predicament: How bacteria propel themselves out of a tight spot  

Scientists have deciphered how some types of 'swimming' bacteria have evolved to be able to escape when trapped in small spaces. The discovery could pave the way to finding new methods to stop the spread of certain bacteria, including species that cause food poisoning and stomach ulcers.

what do you think?

2018-12-18 10:03:57



MRI effective for monitoring liver fat in obese patients  

MRI provides a safe, noninvasive way to monitor liver fat levels in people who undergo weight loss treatments for obesity, according to a new study.

what do you think?

2018-12-18 10:03:55



Machine learning-detected signal predicts time to earthquake  

Machine-learning research reveals the detection of seismic signals accurately predicting the Cascadia fault's slow slippage, a type of failure observed to precede large earthquakes in other subduction zones.

what do you think?

2018-12-18 09:30:45



Fossil from the Big Bang discovered with W. M. Keck Observatory  

A relic cloud of gas, orphaned after the Big Bang, has been discovered in the distant universe by astronomers using the world's most powerful optical telescope, the W. M. Keck Observatory on Maunakea, Hawaii.

what do you think?

2018-12-18 09:30:17



Two-step control mechanism identified in mouse stem cells  

Scientists identified two distinct control mechanisms in the developmental transition of undifferentiated stem cells into healthy brain cells. This fundamental research using mice may inform regenerative medicine treatments for neurodegenerative diseases and spinal cord injuries, in the future.

what do you think?

2018-12-18 09:30:13



Discovery of novel mechanisms that cause migraines  

Researchers have demonstrated a new mechanism related to the onset of migraine. In fact, they found how a mutation, causes dysfunction in a protein which inhibits neuronal electrical activity, induces migraines. These results open a new path for the development of anti-migraine medicines.

what do you think?

2018-12-18 09:30:09



Experimental findings support a connection between mucins in the lung and pulmonary fibrosis  

A team of investigators has identified a connection between mucus in the small airways and pulmonary fibrosis.

what do you think?

2018-12-18 09:30:04



Ancient Japanese pottery includes an estimated 500 maize weevils  

Researchers have discovered an ancient Japanese pottery vessel from the late Jomon period (4500-3300 BP) with an estimated 500 maize weevils incorporated into its design. The vessel was discovered in February 2016 from ruins in Hokkaido, Japan. This extremely rare discovery provides clues on the cultivation and distribution of chestnuts, food in the Jomon era, and the spirituality of ancient Japanese people.

what do you think?

2018-12-18 09:29:59






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