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Extreme Events "Virtually Impossible" Without Warming  

Marine heatwaves, drought and heavy rains in 2017 all bore the fingerprints of climate change -- Read more on ScientificAmerican.com

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2018-12-11 18:00:00



NIH Plans to Spend Up to $20 Million on Search for Alternatives to Fetal Tissue for Research  

The preliminary announcement comes in the wake of a Trump administration order that agency scientists to stop buying such tissue from humans -- Read more on ScientificAmerican.com

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2018-12-11 17:30:00



How Should You Talk to Policymakers about Climate Change?  

Nobody knows for sure what the most effective strategy is, but I have a few ideas -- Read more on ScientificAmerican.com

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2018-12-11 17:00:00



SNAPSHOT: New Butterfly Named for Pioneering Naturalist Maria Sibylla Merian  

This newly identified rare black butterfly has been named after the pioneering 17th century female entomologist, Maria Sibylla Merian. An extraordinary woman, this naturalist and scientific illustrator once sold 255 paintings to fund an expedition across the Atlantic to document the flora and fauna of Dutch Suriname, collected in a book in 1705. The Central American butterfly honored with her name is dubbed Catasticta sibyllae. Exceedingly rare, only two specimens have been uncovered: on

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2018-12-11 16:00:03



Prehistoric Viruses and the Function of the Brain  

The exceedingly strange story of learning, memory and the “Arc” gene -- Read more on ScientificAmerican.com

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2018-12-11 15:00:00



Trump releases plan to reduce protections for wetlands  

Clean Water Act would no longer apply to ephemeral streams and wetlands

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2018-12-11 12:45:00



Stronger pesticide regulations likely needed to protect all bee species, say studies  

Regulators worldwide currently use honeybees as the sole model species failing to account for potential threats posed by agrochemicals to the full diversity of bee species from bumblebees to solitary bees, which are probably more important for pollination of food crops than managed honeybees. They are potentially more vulnerable to pesticides given they nest in the ground and bumblebee queens have different life cycles that could increase exposure.

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2018-12-11 12:25:01



A future for red wolves may be found on Galveston Island, Texas  

Red wolves, once nearly extinct, again teeter on the abyss. New research finds red wolf ancestry in Texas -- providing opportunities for additional conservation action and difficult policy challenges. Researchers have identified red wolf ''ghost alleles'' in canid population on Galveston Island.

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2018-12-11 12:24:49



Internet therapy apps reduce depression symptoms  

In a sweeping new study, psychologists have found that a series of self-guided, internet-based therapy platforms effectively reduce depression.

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2018-12-11 12:24:36



Warming, sea-ice loss: Arctic Report Card tracks region's environmental changes  

NOAA's annual report card on the Arctic, released today, shows that the Arctic region experienced the second-warmest air temperatures ever recorded; the second-lowest overall sea-ice coverage; lowest recorded winter ice in the Bering Sea; and earlier plankton blooms due to early melting of sea ice in the Bering Sea.

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2018-12-11 12:11:07



We Need More Minorities in Clinical Trials  

The trusted physician–patient relationship is a good way to recruit them -- Read more on ScientificAmerican.com

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2018-12-11 12:00:00



As Winters Warm, Blood-Sucking Ticks Drain Moose Dry  

Researchers across New England and Canada scramble to protect the iconic species from growing parasite populations -- Read more on ScientificAmerican.com

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2018-12-11 11:45:00



Degrading permafrost puts Arctic infrastructure at risk by mid-century  

Seventy percent of the current infrastructure in the Arctic has a high potential to be affected by thawing permafrost in the next 30 years. Even meeting the climate change targets of the Paris Agreement will not substantially reduce those projected impacts, according to a new study.

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2018-12-11 11:30:30



52 million tree stories more accessible to science  

The world's primary archive of tree ring data, which holds more than 52 million cost-free records spanning 8,000 years of history, has gotten a makeover by scientists from four countries committed to making science more accessible.   The International Tree Ring Data Bank, developed in 1974 and populated by hundreds of contributing scientists and agencies, had only been used for a handful of studies at a global scale due to inconsistent data accessibility and formatting.

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2018-12-11 11:29:58



How skin cells protect themselves against stress  

Cell biologists have developed a new method for measuring how mechanical forces in cells are processed.

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2018-12-11 11:29:52



Chemical engineers develop new theory to build improved nanomaterials  

Researchers have developed a new theory to better predict how nanoclusters will behave when a given metal is introduced to their structure.

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2018-12-11 11:29:46



Unique immune cell likely drives chronic inflammation  

For the first time, researchers have identified that an immune cell subset called gamma delta T cells that may be causing and/or perpetuating the systemic inflammation found in normal aging in the general geriatric population and in HIV-infected people who are responding well to drugs (anti-retrovirals).

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2018-12-11 11:29:44



Did supernovae kill off large ocean animals at dawn of Pleistocene?  

The effects of a supernova -- and possibly more than one -- on large ocean life like school-bus-sized Megalodon 2.6 million years ago are detailed in a new article.

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2018-12-11 11:29:41



Terahertz laser for sensing and imaging outperforms its predecessors  

A new terahertz laser is the first to reach three key performance goals at once -- high constant power, tight beam pattern, and broad electric frequency tuning -- and could thus be valuable for a wide range of applications in chemical sensing and imaging.

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2018-12-11 11:29:36



Taking uncertainty out of cancer prognosis  

An analysis of nearly 20,000 cancer patient histories and genetic data has revealed that knowing the genetic cause of a cancer does not help predict how deadly the disease will be. Instead, researchers have discovered that copy number variations in specific gene sites are far more informative, providing new opportunities to improve prognosis.

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2018-12-11 11:29:31



Possible connection between cardiovascular disease and living near oil and gas wells  

Researchers have found a possible connection between the intensity of oil and gas exploration in an area and early indicators of cardiovascular disease among nearby residents.

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2018-12-11 11:29:28



Better biomedical devices, wearable displays may result from tiny light-guiding structures  

For the first time, researchers have fabricated light-guiding structures known as waveguides just over one micron wide in a clear silicone commonly used for biomedical applications. The tiny, flexible waveguides can be used to make light-based devices such as biomedical sensors and endoscopes that are smaller and more complex than currently possible.

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2018-12-11 11:29:26



Relationship impairments hinder men seeking mental health treatment  

Relationship impairment (difficulty managing expectations and requirements within an intimate relationship) plays a role in explaining the association between symptom severity and those seeking treatment among post-9/11 military veterans. However, the role it plays is different for men and women.

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2018-12-11 11:29:23



A correlation between obesity and income has only developed in the past 30 years  

It is well known that poorer Americans are more likely to be obese or suffer from diabetes; there is a strong negative correlation between household income and both obesity and diabetes. This negative correlation, however, has only developed in the past 30 years, according to researchers. Since 1990, the rise of obesity and diabetes was fastest among the poorest US regions.

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2018-12-11 10:31:39



Can social interactions affect spread of disease?  

Researchers draw connections between people's social activity and the spread of epidemics through a mathematical model.

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2018-12-11 10:31:36



Researchers identify additional mechanisms at play in insecticide resistance  

Researchers have used a bioinformatics approach to integrate information from multiple studies on insecticide resistance in mosquitoes and uncovered a number of important resistance mechanisms that had not previously been recognized.

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2018-12-11 10:31:29



How catnip makes the chemical that causes cats to go crazy  

Researchers have shed light on how catnip -- also known as catmint -- produces the chemical that sends cats into a state of wanton abandon.

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2018-12-11 10:31:25



Improved treatment of anxiety disorders  

Traumatic experiences can become deeply entrenched in a person's memory. How can fears following a traumatic event be reduced in the long term and prevented from becoming a permanent stress-related disorder? Researchers have recently shed new light on these questions.

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2018-12-11 10:31:22



New understanding of mysterious 'hereditary swelling'  

For the first time ever, biomedical researchers have unveiled cellular defects that lead to the rare disease hereditary angioedema (HAE), where patients experience recurrent episodes of swelling that requires immediate treatment. This new understanding is an important step towards gene therapy for patients.

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2018-12-11 10:31:19



Neighborhood affects the healthiness of dietary choices  

A new study shows that living or moving to a neighborhood with a higher socioeconomic status is clearly associated with better adherence to dietary recommendations. Researchers studied the connection between neighborhoods' socioeconomic status and dietary choices from data covering over 16,000 Finnish adults.

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2018-12-11 10:31:14



New light-based technology reveals how cells communicate in human disease  

Scientists have developed a new technique that uses light to understand how cells communicate in human disease.

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2018-12-11 10:31:11



Attention training improves intelligence and functioning of children's brain  

Being able to voluntarily regulate our attention is crucial for mental processes such as intelligence and learning in children. With this in mind, researchers have carried out a study in which they evaluated the influence of a computer-based attention-training intervention on intelligence scores and brain functioning on a group of pre-school age children.

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2018-12-11 10:31:08



New method gives microscope a boost in resolution  

Scientists have been able to boost current super-resolution microscopy by a novel tweak. They coated the glass cover slip as part of the sample carrier with tailor-made biocompatible nanosheets that create a 'mirror effect'. This method shows that localizing single emitters in front of a metal-dielectric coating leads to higher precision, brightness and contrast in Single Molecule Localization Microscopy (SMLM).

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2018-12-11 10:31:06



Green production of chemicals for industry  

Industry consumes large quantities of crude oil to produce basic substances for drugs, cosmetics, plastics, or food. However, these processes consume a lot of energy and produce waste. Biological processes with enzymes are far more sustainable. The protein molecules can catalyze various chemical reactions without auxiliary materials or solvents being required. But they are expensive and, hence, have been economically unattractive so far. Researchers have now developed a new biomaterial that cons

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2018-12-11 10:31:03



Algorithms to locate centrioles in the cell  

Investigators from the UEx have developed a methodology with new algorithms to analyze the location of the centriole in a model cell. Thanks to this technology, they have been able to discover how the actin cytoskeleton, is involved in the polarised placement of centrioles in Drosophila, just as happens in vertebrates.

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2018-12-11 10:31:00



Meditation adapts the brain to respond better to feedback  

Researchers have discovered a link between meditation and how individuals respond to feedback.

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2018-12-11 10:30:58



Citations show academic and non-academic researchers 'win' when they collaborate  

Findings in new article indicate that when academics work with business, government, and/or NGO partners they produce more cited, higher impact research.

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2018-12-11 09:19:35



Going viral: New cells for norovirus production in the lab  

Human norovirus is a major cause of infections that can be particularly dangerous to children and elderly people. Here, a research team found that human induced pluripotent stem cell-derived intestinal epithelial cells allowed for efficient growth of human norovirus in the laboratory, without requiring human tissue or bile. This method raises fewer practical and ethical issues than conventional systems and should prove useful for industrial applications such as testing new potential vaccines.

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2018-12-11 09:19:31



'Pest-controlling' bats could help save rainforests  

A new study shows that several species of bats are giving Madagascar's rice farmers a vital pest control service by feasting on plagues of insects. And this, a zoologist believes, can ease the financial pressure on farmers to turn forest into fields.

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2018-12-11 09:19:26



Music evokes powerful positive emotions through personal memories  

Music is known to evoke emotions through a range of mechanisms. A new study gives insights into the way positive emotional reactions can be triggered by music and pictures.

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2018-12-11 09:06:59



Depression: New tool delivers swifter picture of cognitive deficit  

A new tool will assist clinicians to assess people suffering from major depressive disorder (MDD).

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2018-12-11 09:06:48



Pushing closer to a new cancer-fighting strategy  

A molecular pathway that's frequently mutated in many different forms of cancer becomes active when cells push parts of their membranes outward into bulging protrusions, researchers report.

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2018-12-11 09:06:42



Sierra snowpack could drop significantly by end of century  

A future warmer world will almost certainly feature a decline in fresh water from the Sierra Nevada mountain snowpack. Now a new study that analyzed the headwater regions of California's 10 major reservoirs, representing nearly half of the state's surface storage, found they could see on average a 79 percent drop in peak snowpack water volume by 2100.

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2018-12-11 09:06:39



Study links frequent red meat consumption to high levels of chemical associated with heart disease  

Researchers have identified another reason to limit red meat consumption: high levels of a gut-generated chemical called trimethylamine N-oxide (TMAO), that also is linked to heart disease. Scientists found that people who eat a diet rich in red meat have triple the TMAO levels of those who eat a diet rich in either white meat or mostly plant-based proteins, but discontinuation of red meat eventually lowers those TMAO levels.

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2018-12-11 08:49:48



When less is more: A promising approach for low-cell-number epigenomic profiling  

Scientists have developed a technique that enables analysis of DNA-protein interactions using very small numbers of cells, ranging from 100 to 1,000. Their method could capture previously unexamined epigenomic information, facilitate biomarker discovery and open new avenues for precision medicine.

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2018-12-11 08:42:32



New sepsis treatment a step closer  

A large clinical study assesses how clinicians are treating sepsis.

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2018-12-11 08:42:28



The richer the reward, the faster you'll likely move to reach it  

If you are wondering how long you personally are willing to stand in line to buy that hot new holiday gift, scientists say the answer may be found in the biological rules governing how animals typically forage for food and other rewards.

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2018-12-11 08:09:25



The source of stem cells points to two proteins  

While other animal embryos grow outside the mother, their embryonic cells can get right to work accepting assignments, such as head, tail or vital organ. By contrast, mammalian embryos must first choose between forming the placenta or creating the baby. New research has pinpointed two proteins that are the keys to this decision making. The process of assigning cells to placenta or baby is important because that is when pluripotent cells are made. These adaptable pluripotent cells are critical to

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2018-12-11 08:09:22



Identity of Little Foot fossil stirs controversy  

New papers say the skeleton is part of a contested hominin species—claims other researchers dispute

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2018-12-11 08:00:00



Women having a heart attack wait longer than men to get help  

Women are being urged to call an ambulance immediately if they have heart attack symptoms, following research showing they wait longer than men to get help.

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2018-12-11 07:33:03



Tenacious and flexible goal pursuit gets older people on the move  

Tenacious goal pursuit and flexible goal adjustment have been shown to help maintain psychological well-being despite age related challenges and losses. A recent study demonstrates that tenacity and flexibility are beneficial for out-of-home mobility as well.

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2018-12-11 07:32:59



Online game trains players how to sort waste correctly  

A simple online game can teach people to more accurately sort waste -- with lasting results, a new study has found. Study participants who played the game received immediate feedback on their sorting choices. The second time they played -- when feedback was no longer provided -- players still improved their average accuracy from 69 per cent to 84 per cent. Even when a week passed between games, players still improved their accuracy.

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2018-12-11 07:32:55



Using water molecules to unlock neurons' secrets  

Researchers have developed a method to observe the electrical activity of neurons by analyzing the behavior of surrounding water molecules. This simple and non-invasive method, which could eliminate the need for electrodes and fluorophores, can be used to monitor the activity within a single neuron or potentially on an entire region of the brain.

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2018-12-11 07:32:51



Human antibody discovery could save lives from fungal killer  

A new way to diagnose, treat and protect against stealth fungal infections that claim more than 1.5 million lives per year worldwide has been moved a step closer.

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2018-12-11 07:32:47



New evidence that females might benefit most from a low-salt diet  

A low-salt diet may be more beneficial in lowering blood pressure in females than males, report scientists who found that while actual salt retention isn't higher in females, there is still an effect that drives pressure up.

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2018-12-11 07:32:40



Russian-German Astrophysics Observatory launch now scheduled for April 2019  

Moscow (Sputnik) Dec 10, 2018 It is planned to launch the Russian-German Spektr-RG astrophysics observatory that will be exploring the universe in early April, a source in the rocket and space industry told Sputnik on Sunday. "The launch of Proton-M space rocket with Blok DM-03 upper stage and a scientific laboratory Spektr-RG is planned for the first 10 days of April 2019," the source said. The astrophysics obse

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2018-12-11 06:22:00



Researchers create tiny droplets of early universe matter  

Boulder CO (SPX) Dec 11, 2018 Researchers have created tiny droplets of the ultra-hot matter that once filled the early universe, forming three distinct shapes and sizes: circles, ellipses and triangles. The study, published in Nature Physics, stems from the work of an international team of scientists and focuses on a liquid-like state of matter called a quark gluon plasma. Physicists believe that this matter filled th

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2018-12-11 06:22:00



Record Setting Course-Correction Puts New Horizons on Track to Kuiper Belt Flyby  

Laurel MD (SPX) Dec 10, 2018 With just 29 days to go before making space exploration history, NASA's New Horizons spacecraft performed a short but record-setting course-correction maneuver on Dec. 2 that refined its path toward Ultima Thule, the Kuiper Belt object it will fly by on Jan. 1. Just as the exploration of Ultima Thule will be the farthest-ever flyby of a planetary body, Sunday's maneuver was the most distan

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2018-12-11 06:22:00



NASA Sounding Rockets Carry TRICE-2 over Norwegian Sea  

Wallops Island VA (SPX) Dec 11, 2018 Two NASA sounding rockets successfully flew over the Norwegian Sea early in the morning December 8 carrying an experiment to study the electrodynamics of the polar cusp. The Twin Rockets to Investigate Cusp Electrodynamics or TRICE-2 were launched at 3:26 and 3:28 a.m. EST from the Andoya Space Center in Andenes, Norway. The first rocket flew to an altitude 646 miles and the second flew to

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2018-12-11 06:22:00



Learning from lunar lights  

Paris (ESA) Dec 10, 2018 Every few hours observing the Moon, ESA's 'NELIOTA' project discovers a brilliant flash of light across its surface - the result of an object hurtling through space and striking our unprotected rocky neighbour at vast speed. Based at the Kryoneri telescope of the National Observatory of Athens, this important project is now being extended to January 2021. Impact flashes are referred to as

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2018-12-11 06:22:00



First Images from OSIRIS-REx Have Scientists Buzzing with Excitement  

Orlando FL (SPX) Dec 11, 2018 The holidays came early for the science team leading NASA's OSIRIS-REx mission to collect samples from a near-Earth asteroid. Monday they announced findings from the mission thus far, which arrived at asteroid Bennu Dec. 3 Scientists were already buzzing with excitement in November when the spacecraft's long-range cameras began beaming early images of the asteroid. Now, the first few close

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2018-12-11 06:22:00



Honeycomb mirrors make Webb the most powerful Space Telescope ever  

Greenbelt MD (SPX) Dec 10, 2018 NASA's James Webb Space Telescope requires a primary mirror so large that it would not fit inside any existing rockets as one single, large mirror. Because of this, Webb is equipped with a revolutionary set of 18 hexagonal mirror segments that are able to fold to fit inside the rocket fairing. Their honeycomb like arrangement allows for Webb to have the largest possible reflective surface

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2018-12-11 06:22:00



Research provides insights into Sun's past, future  

San Antonio TX (SPX) Dec 10, 2018 Andres Munoz-Jaramillo and Jose Manuel Vaquero, from Southwest Research Institute and University of Extremadura, respectively, have developed a new technique for looking at historic solar data to distinguish trustworthy observations from those that should be used with care. This work is critical to understanding the Sun's past and future as well as whether solar activity plays a role in climate

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2018-12-11 06:22:00



Helium exoplanet inflated like a balloon, research shows  

Exeter UK (SPX) Dec 07, 2018 Astronomers have discovered a distant planet with an abundance of helium in its atmosphere, which has swollen to resemble an inflated balloon. An international team of researchers, including Jessica Spake and Dr David Sing from the University of Exeter, have detected the inert gas escaping from the atmosphere of the exoplanet HAT-P-11b - found 124 light years from Earth and in the Cygnus c

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2018-12-11 06:22:00



OSIRIS-REx already finds water on Asteroid Bennu  

Washington DC (SPX) Dec 11, 2018 Recently analyzed data from NASA's Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) mission has revealed water locked inside the clays that make up its scientific target, the asteroid Bennu. During the mission's approach phase, between mid-August and early December, the spacecraft traveled 1.4 million miles (2.2 million km) on its journey f

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2018-12-11 06:22:00



NASA's Voyager 2 reaches interstellar space  

Washington (AFP) Dec 10, 2018 NASA's Voyager 2 probe has left the protective bubble around the Sun and is flying through interstellar space, becoming the second human-made object to travel so far, the US space agency said Monday. The announcement came six years after its twin spacecraft, Voyager 1, broke the outer boundary of the heliopause, where the hot solar wind meets the cold, dense space between stars, known as the

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2018-12-11 06:22:00



Evidence for carbon-rich surface on Ceres  

San Antonio TX (SPX) Dec 10, 2018 A team led by Southwest Research Institute has concluded that the surface of dwarf planet Ceres is rich in organic matter. Data from NASA's Dawn spacecraft indicate that Ceres' surface may contain several times the concentration of carbon than is present in the most carbon-rich, primitive meteorites found on Earth. "Ceres is like a chemical factory," said SwRI's Dr. Simone Marchi, a princi

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2018-12-11 06:22:00



NASA's Voyager 2 Probe Enters Interstellar Space  

Pasadena CA (JPL) Dec 11, 2018 For the second time in history, a human-made object has reached the space between the stars. NASA's Voyager 2 probe now has exited the heliosphere - the protective bubble of particles and magnetic fields created by the Sun. Comparing data from different instruments aboard the trailblazing spacecraft, mission scientists determined the probe crossed the outer edge of the heliosphere on Nov.

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2018-12-11 06:22:00



A Woman's Uterus May Play a Role in Memory and Cognition  

(Inside Science) -- In medical textbooks, the nonpregnant uterus is often described as quiescent, dormant and useless. But now, researchers have found that the uterus may play a role in memory and cognition -- a role hitherto unappreciated because researchers haven't looked closely at the uterus's role outside of pregnancy. A third of women in the U.S. have their uteruses removed, a procedure called hysterectomy, by age 60, according to Heather Bimonte-Nelson, who directs Arizona Stat...

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2018-12-10 23:30:49



Can We Blame Our Genes for Our Decisions?  

Forget meditation, forget ayahuasca ceremonies and mindfulness practice. Today, knowing yourself is as easy as swabbing your cheek. Home genetics tests like those offered by 23andme are becoming readily affordable — just $69 for a test kit — and they offer an unprecedented look at our personal blueprint. It's even possible today to study the genetics of your potential offspring before they're born. So-called pre-implantation genetic diagnosis analyzes DNA from an embryo, when it...

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2018-12-10 23:24:43



What Does Mars Sound Like? InSight Just Recorded Martian Wind  

On November 26, NASA's Interior Exploration using Seismic Investigations, Geodesy and Heat Transport (InSight) lander successfully touched down on Mars. Though the probe's main goal is to explore the planet's interior, its sophisticated instruments are also offering a unique way to explore the Martian surface — by recording the sound of Martian wind. Windswept Sounds of Mars The recordings capture the sounds of winds gusting through Elysium Planitia, InSight's Martian home, a...

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2018-12-10 23:07:48



Get Out and Watch the Geminid Meteor Shower This Week  

The spectacular Geminid meteor shower peaks the night of December 13/14. Although many people consider it to be a poor cousin to August's Perseid shower, the Geminids often put on a better show. This year, observers can expect to see up to 120 "shooting stars" per hour — an average of nearly two per minute — under a dark sky. Viewing conditions could hardly be better for the Geminids this year. The waxing crescent moon sets around 10:30 p.m. local time, leaving the prime viewing...

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2018-12-10 23:04:31



After More Than 40 Years, Voyager 2 Has Gone Interstellar  

Escaping the Heliosphere Humanity has another interstellar emissary. After launching in 1977, NASA's trailblazing spacecraft Voyager 2 has finally escaped the heliosphere, the Sun's protective bubble of charged particles. It follows in the path of its sibling,  Voyager 1, which crossed into interstellar space in 2012. The Sun's solar wind makes up the heliosphere, which surrounds us and all of the planets in our solar system. The boundary where the hot solar winds of the heliosph...

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2018-12-10 22:46:33



NASA Releases First Data from OSIRIS-REx Asteroid Mission  

OSIRIS-REx Findings OSIRIS-REx has been busy ever since it arrived at the asteroid Bennu on December 3. The latest updates from NASA reveal that the space rock is porous, blue, and covered in massive boulders. More excitingly, they discovered evidence that Bennu's minerals interacted with water at some point in its distant past. During a press conference today at the American Geophysical Union's fall meeting, NASA's OSIRIS-REx team revealed the first results from their spacecraft's o...

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2018-12-10 22:20:23



Voyager 2 Spacecraft Enters Interstellar Space  

After a journey of more than four decades, Voyager 2 has passed beyond the sun’s influence -- Read more on ScientificAmerican.com

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2018-12-10 19:30:00



Why You Shouldn't Worry Too Much About Designer Babies  

Babies to order. Andrew crotty/Shutterstock.com When Adam Nash was still an embryo, living in a dish in the lab, scientists tested his DNA to make sure it was free of Fanconi anemia, the rare inherited blood disease from which his sister Molly suffered. They also checked his DNA for a marker that would reveal whether he shared the same tissue type. Molly needed a donor match for stem cell therapy, and her parents were determined to find one. Adam was conceived so the stem cells in his umbil...

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2018-12-10 18:46:03



Increased risk for breast cancer after childbirth may last more than 20 years  

The increased risk for breast cancer that occurs after childbirth can last more than 20 years. The risk may be enhanced when a woman is older at first birth or has a family history of breast cancer, and is not mitigated by breastfeeding.

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2018-12-10 17:18:50



Lifespan extension at low temperatures is genetically controlled  

A new study indicates that lifespan extension at lower temperatures is not just a matter of turning down the thermostat: it's under active genetic control.

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2018-12-10 17:18:47



Small and isolated habitat patches crucial to species survival  

Small, local patches of habitat could be playing a much bigger role in conserving biodiversity than you think, according to new research.

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2018-12-10 17:18:41



Beyond the "Human" in Human Rights: The Universal Declaration at 70  

Let us give fresh consideration to the moral status of animals, nature and machines -- Read more on ScientificAmerican.com

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2018-12-10 17:00:00



U.S. Stands with Russia and Saudi Arabia Against Climate Science  

At a meeting to coordinate climate action, the nations thwarted recognition of a recent report expressing the urgency of reducing emissions -- Read more on ScientificAmerican.com

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2018-12-10 17:00:00



Reducing variations in feeding practices and fortifying breast milk helps micro-preemies grow  

Standardizing feeding practices, including the timing for fortifying breast milk and formula with essential elements like zinc and protein, improves growth trends for the tiniest preterm infants, according to new research.

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2018-12-10 16:51:23



Ocean fertilization by unusual microbes extends to frigid waters of Arctic Ocean  

Microbes that provide natural fertilizer to the oceans by 'fixing' nitrogen from the atmosphere into a form useable by other organisms are active in the cold waters of the Bering and Chukchi Seas.

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2018-12-10 16:51:18



New study finds bias against women and girls when intellectual ability is sought  

A new study finds bias against both women and girls for jobs or activities requiring intellectual ability. The research underscores the pervasiveness of gender bias, held even among females, in both adults and young children.

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2018-12-10 16:51:15



Shape-shifting origami could help antenna systems adapt on the fly  

Researchers have devised a method for using an origami-based structure to create radio frequency filters that have adjustable dimensions, enabling the devices to change which signals they block throughout a large range of frequencies.

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2018-12-10 16:51:09



Bioenergy crops could be as bad for biodiversity as climate change  

A large scale expansion in bioenergy crop production could be just as detrimental to biodiversity as climate change itself, according to new research.

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2018-12-10 16:51:06



Rapid genetic evolution linked to lighter skin pigmentation  

The gene that causes lighter skin pigmentation, SLC24A5, was introduced from eastern African to southern African populations just 2,000 years ago. Strong positive selection caused this gene to rise in frequency among some KhoeSan populations.

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2018-12-10 16:51:03



Addressing research gaps could help with development of disability-inclusive workplaces  

Filling key gaps in the research and understanding of the treatment of people with disabilities in the workplace could help improve employee success on the job and develop more disability-inclusive workplaces.

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2018-12-10 16:49:53



How will the winds of climate change affect migratory birds?  

Under future climate scenarios, changing winds may make it harder for North American birds to migrate southward in the autumn, but make it easier for them to come back north in the spring. Researchers came to this conclusion using data from 143 weather radar stations to estimate the altitude, density, and direction birds took during spring and autumn migrations over several years.

what do you think?

2018-12-10 15:18:57



Regrowing damaged nerves hinges on shutting down key genes  

Neurons in the brain and spinal cord don't grow back after injury, unlike those in the rest of the body. Now, researchers have identified some of the key steps taken by nerves in the legs as they regenerate. The findings lay out a path that spinal cord neurons might be able to follow -- potentially leading to improved recovery for people paralyzed by spinal cord injuries.

what do you think?

2018-12-10 15:06:18



Humans may be reversing the climate clock, by 50 million years  

Our future on Earth may also be our past. Researchers show that humans are reversing a long-term cooling trend tracing back at least 50 million years. And it's taken just two centuries.

what do you think?

2018-12-10 15:06:14



'Dropout' rate for academic scientists has risen sharply in past 50 years, study finds  

An analysis has found that half the people pursuing scientific careers at institutions of higher education will depart the field after five years -- a sharp contrast compared to 50 years ago.

what do you think?

2018-12-10 15:06:10



Water found on asteroid, confirming Bennu as excellent mission target  

Spectral observations made by the OSIRIS-REx spacecraft identified hydrated minerals across the asteroid, confirming that Bennu, a remnant from early in the formation of the solar system, is an excellent specimen for the OSIRIS-REx mission to study the composition of primitive volatiles and organics.

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2018-12-10 15:05:54



Smelling the forest not the trees: Why animals are better at sniffing complex smells  

Animals are much better at smelling a complex 'soup' of odorants rather than a single pure ingredient, a new study has revealed.

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2018-12-10 14:49:53



Key cellular mechanism that triggers pneumonia in humans  

Researchers have demonstrated that influenza virus impairs the immune response to pneumococcus, especially monocyte activity.

what do you think?

2018-12-10 14:49:50



Millions of low-risk people with diabetes may be testing their blood sugar too often  

For people with Type 2 diabetes, testing blood sugar levels becomes part of everyday life. But a new study suggests that some of them test more often than they need to. Fourteen percent of people with Type 2 diabetes who don't require insulin are buying enough test strips to test their blood sugar two or more times a day -- when they don't need to test nearly that frequently according to medical guidelines.

what do you think?

2018-12-10 14:49:46



Your brain on imagination: It's a lot like reality, study shows  

New brain imaging research shows that imagining a threat lights up similar regions as experiencing it does. It suggests imagination can be a powerful tool in overcoming phobias or post traumatic stress.

what do you think?

2018-12-10 14:49:43



Optimal blood pressure treatment for stroke patients  

Aggressive treatment of hypertension in stroke patients could do more harm than good in the long term, according to a new study.

what do you think?

2018-12-10 14:20:59



Sprayable gel could help the body fight off cancer after surgery  

A research team has developed a spray gel embedded with immune-boosting drugs that could help lower the risk of cancer recurrence after surgery.

what do you think?

2018-12-10 14:20:56



Some brain tumors may respond to immunotherapy  

A new study suggests that a slow-growing brain tumor arising in patients affected by neurofibromatosis type 1 (NF1) may be vulnerable to immunotherapy, which gives the immune system a boost in fighting cancer.

what do you think?

2018-12-10 14:20:53






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