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Warming: Plants are also stressed out  

What will a three-degree-warmer world look like? When experiencing stress or damage from various sources, plants use chloroplast-to-nucleus communication to regulate gene expression and help them cope. Now, researchers have found that GUN1 -- a gene that integrates numerous chloroplast-to-nucleus retrograde signaling pathways -- also plays an important role in how proteins are made in damaged chloroplasts, which provides a new insight into how plants respond to stress.

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2019-04-19 13:30:43



Early intervention programs for mood and anxiety disorders improve patient outcomes  

Researchers examined the impact of Canada's only early intervention program for youth with mood and anxiety disorders. Results suggest that treatment at the First Episode Mood and Anxiety Program (FEMAP) at London Health Sciences Centre (LHSC) leads to improvements in patients' symptoms and functioning, access to psychiatric care in the most appropriate settings and fewer visits to the emergency department (ED).

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2019-04-19 13:02:07



Exploring what happens inside fires and explosions  

The inside of a fire might be the last place one would explore, but a new method to do just that could lead to advances in fighting fires, creating cleaner engines and even space travel.

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2019-04-19 12:30:47



In rare cases, immune system fails despite HIV suppression  

Antiretroviral therapy (ART) is usually effective at suppressing HIV, allowing the immune system to recover by preventing the virus from destroying CD4+ T cells. Scientists have now identified a rare, paradoxical response to ART called extreme immune decline, or EXID. Five individuals evaluated at the NIAID experienced a significant decline in CD4+ T cell levels despite suppression of HIV below detectable levels for more than three years, according to a new report.

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2019-04-19 11:56:15



Solar Energy Isn't Just for Electricity  

It can also provide carbon-free heat for a wide variety of industrial processes -- Read more on ScientificAmerican.com

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2019-04-19 10:44:21



How do we make moral decisions?  

Some people may rely on principles of both guilt and fairness and may switch their moral rule depending on the circumstances, according to a new study on moral decision-making and cooperation.

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2019-04-19 10:40:06



Astronomers capture first image of a black hole  

Frankfurt, Germany (SPX) Apr 10, 2019 The Event Horizon Telescope (EHT) operates a planet-scale array of eight ground-based radio telescopes that are linked together. The Black Hole Cam (BHC) Team, led by astrophysicists from Goethe University in Frankfurt, the Max-Planck Institute for Radio Astronomy (MPIfR) in Bonn and the Radboud University in Nijmegen, the Netherlands, are part of this collaboration. "We are giving humanit

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2019-04-19 10:36:31



Coincidence helps with quantum measurements  

Through randomly selected measurements, physicists can determine the quantum entanglement of many-particle systems. With the newly developed method, quantum simulations can be extended to a larger number of quantum particles. Researchers now report on the first successful demonstration of this method.

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2019-04-19 09:53:26



From nata de coco to computer screens: Cellulose gets a chance to shine  

Researchers meticulously measured the optical birefringence of highly aligned cellulose nanofibers, paving the way for sharper television, computer, and smartphone screens.

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2019-04-19 09:33:48



Jellyfish galaxy swims into view of NASA's upcoming Webb Telescope  

Baltimore MD (SPX) Apr 18, 2019 If you look at the galaxy ESO 137-001 in visible light, you can see why it's considered an example of a "jellyfish" galaxy. Blue ribbons of young stars dangle from the galaxy's disk like cosmic tentacles. If you look at the galaxy in X-ray light, however, you will find a giant tail of hot gas streaming behind the galaxy. After launch, NASA's James Webb Space Telescope will study ESO 137-001 to l

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2019-04-19 09:04:54



Brain Restoration System Explores Hazy Territory between Being Dead or Alive  

An experiment that restored cellular function to pigs’ brains hours after death holds the potential for advancing neuroscience research -- Read more on ScientificAmerican.com

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2019-04-19 08:52:37



We Need a Space Resources Institute  

The moon and other bodies will ultimately be exploited; it’s crucial to do so in a thoughtful and organized way -- Read more on ScientificAmerican.com

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2019-04-19 07:32:09



Notre Dame's Architectural Legacy  

This religious center, cultural icon and UNESCO World Heritage Site is also an engineering marvel -- Read more on ScientificAmerican.com

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2019-04-19 07:29:59



Living room conservation: Gaming and virtual reality for insect and ecosystem conservation  

Gaming and virtual reality could bridge the gap between urban societies and nature, thereby paving the way to insect conservation by the means of education and participation. This is what an interdisciplinary team strive to achieve by developing a virtual reality game dedicated to insect and plant species.

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2019-04-19 06:59:33



Young children judge others based on facial features as much as adults do  

Just like adults, children by the age of 5 make rapid and consistent character judgements of others based on facial features, such as the tilt of the mouth or the distance between the eyes. Those facial features also shape how children behave toward others.

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2019-04-19 06:32:20



Using the physics of airflows to locate gaseous leaks more quickly in complex scenarios  

Engineers are developing a smart robotic system for sniffing out pollution hotspots and sources of toxic leaks. Their approach enables a robot to incorporate calculations made on the fly to account for the complex airflows of confined spaces rather than simply 'following its nose.'

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2019-04-19 06:29:08



More severe salmonella outbreaks ahead  

Researchers have developed a model that can predict salmonella outbreaks several months in advance, and its results come as a warning ahead of the Easter long weekend.

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2019-04-19 06:20:22



Breakthrough for children with serious epileptic seizures  

Emergency medicine doctors now have a better way to treat severe epileptic seizures in children, thanks to a new study. Prolonged epileptic seizures are the most common neurological emergency in children seen by hospitals. The seizures are potentially fatal: up to five percent of affected children die, and a third suffer long-term complications from brain damage. Crucially, the longer the seizure, the greater the chance of long-term complications.

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2019-04-19 06:20:17



Behavioral disorders in kids with autism linked to reduced brain connectivity  

More than a quarter of children with autism spectrum disorder are also diagnosed with disruptive behavior disorders. Now researchers have identified a possible biological cause: a key mechanism that regulates emotion functions differently in the brains of the children who exhibit disruptive behavior.

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2019-04-19 06:01:38



Sex and the Cosmic City  

Colonizing space means reproducing there. We still don't know if that's possible.

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2019-04-19 05:19:34



After heart attack: Late dinner and no breakfast a killer combination  

People who skip breakfast and eat dinner near bedtime have worse outcomes after a heart attack.

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2019-04-19 05:18:54



'Snowball chamber' helps researchers use supercooled water to search for dark matter  

Washington DC (SPX) Apr 16, 2019 After watching YouTube videos of people supercooling water in a bottle and then triggering it to freeze by banging it, something about this concept solidified for Matthew M. Szydagis, an assistant professor of physics at the University at Albany, State University at New York, especially when he saw it again during the Disney movie "Frozen." During the 2019 American Physical Society April M

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2019-04-19 04:59:55



Preschoolers with chronic constipation tend to be picky eaters  

In the first study of its kind in the US, researchers found that normally developing preschool children with chronic constipation have underlying sensory issues that contribute to their difficulties with toileting behaviors. These children are often picky eaters who might be overly sensitive to food textures, tastes, or odors. They also might have an exaggerated response to noises, bright lights, or other sensory stimuli.

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2019-04-19 04:42:29



Achieving sugar reduction targets could cut child obesity and healthcare costs  

Reducing the sugar content of certain foods by 2020, in line with UK government policy targets, could cut child obesity and related illness, and save the NHS in England £286 million over 10 years, suggests a new study.

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2019-04-19 04:40:18



Risk factors identified for patients undergoing knee replacements  

In the largest study of its kind, researchers have identified the most important risk factors for developing severe infection after knee replacement. Patients who are under 60 years of age, males, those with chronic pulmonary disease, diabetes, liver disease, and a higher body mass index are at increased risk of having the joint replacement redone (known as revision) due to infection.

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2019-04-19 04:38:55



New concept for novel fire extinguisher in space  

Researchers have developed a new concept of fire extinguishing, named Vacuum Extinguish Method. VEM is based on the 'reverse' operation of the conventional fire extinguishing procedure: It sucks the combustion products, even flame and the firing source itself, into a vacuum chamber to clean up the firing zone. This concept is advantageous for space use, as it prevents the spread of harmful combustible products throughout the enclosed cabin.

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2019-04-19 04:16:28



Better method to recycle and renew used cathodes from lithium-ion batteries  

Researchers have improved their recycling process that regenerates degraded cathodes from spent lithium-ion batteries. The new process is safer and uses less energy than their previous method in restoring cathodes to their original capacity and cycle performance.

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2019-04-19 04:07:12



Experimental antiplatelet compound for acute stroke shows promise  

An experimental compound inhibited clot formation without increased bleeding, a common side effect of current anticlotting therapies, in a phase I study. First-in-human study shows the anticlotting drug was well-tolerated without serious safety concerns in healthy volunteers. Next-phases will gauge effectiveness and safety in patients with acute ischemic strokes.

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2019-04-19 03:37:43



With Widespread Deforestation, North Korea Faces an Environmental Crisis  

Depleted topsoil from lost trees makes farming difficult, exacerbating hunger in the hermit state -- Read more on ScientificAmerican.com

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2019-04-19 03:15:42



New variety of zebra chip disease threatens potato production in southwestern Oregon  

Named after the dark stripes that form inside potatoes after they are cut and fried, zebra chip disease is a potentially devastating affliction that can result in yield losses up to 100 percent for farmers. Researchers identified a new haplotype, designated haplotype F, that causes zebra chip symptoms in potato.

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2019-04-19 03:07:53



One Comet, 70,000 Images on the Internet  

Gottingen, Germany (SPX) Apr 18, 2019 Between 2014 and 2016, the scientific camera system OSIRIS onboard ESA's Rosetta spacecraft captured almost 70,000 images of comet 67P/Churyumov-Gerasimenko. They not only document the most extensive and demanding comet mission to date, but also show the duck-shaped body in all its facets. In a joint project with the Department of Information and Communication at Flensburg University of Ap

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2019-04-19 02:58:35



Making digital tissue imaging better  

A low-tech problem troubles the high-tech world of digital pathology imaging: There are no reliable standards for the quality of digitized tissue slides comprising the source material for computers reading and analyzing vast numbers of images. Poor-quality slides get mixed in with accurate slides, potentially confusing a computer program trying to learn what a cancerous cell looks like. Researchers are trying to fix this, sharing an open-source quality control standard.

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2019-04-19 02:30:38



Pain Patients Get Relief from War on Opioids  

U.S. agencies warn doctors not to abruptly cut off the medications for long-time users -- Read more on ScientificAmerican.com

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2019-04-19 02:19:06



RNA sequencing used to discover novel genes and pathways in celiac disease  

Researchers have discovered novel genes and pathways related to early stages in the development of celiac disease and the ongoing inflammation and comorbidities associated with the condition.

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2019-04-19 02:13:59



Lithium in ancient star gives new clues for big bang nucleosynthesis  

La Palma, Spain (SPX) Apr 18, 2019 Researchers from the Instituto de Astrofisica de Canarias (Spain) and the University of Cambridge (UK) have detected lithium (Li) in the ancient star J0023+0307, a main-sequence extremely iron-poor dwarf star about 9,450 light-years away in the galactic halo. The study of the most ancient stars in the Milky Way allows us to infer the early properties of the galaxy, its chemical composition

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2019-04-19 01:59:50



Universe's first type of molecule found at last  

Moffett Field CA (SPX) Apr 18, 2019 The first type of molecule that ever formed in the universe has been detected in space for the first time, after decades of searching. Scientists discovered its signature in our own galaxy using the world's largest airborne observatory, NASA's Stratospheric Observatory for Infrared Astronomy, or SOFIA, as the aircraft flew high above the Earth's surface and pointed its sensitive instruments out

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2019-04-19 01:39:09



Weak honey bee colonies may fail from cold exposure during shipping  

Cold temperatures inside honey bee colonies may cause colony losses during and after long-distance hauling, according to a preliminary study.

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2019-04-19 01:35:55



Researchers map sound, response and reward anticipation in mouse brain  

Neuroscientists report that two areas of the mouse brain combine representations of what is heard and anticipated, guiding behavior that leads mice to the best reward.

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2019-04-19 01:18:06



How to hack your deadline: Admit it's uncertain  

Embracing the uncertainty of deadlines could be key to more successful projects, researchers have found.

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2019-04-19 01:15:15



Data mining digs up hidden clues to major California earthquake triggers  

A powerful computational study of southern California seismic records has revealed detailed information about a plethora of previously undetected small earthquakes, giving a more precise picture about stress in the earth's crust.

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2019-04-18 21:52:25



Preliminary study suggests mercury not a risk in dog foods  

Researchers recently investigated levels of methylmercury in a small sampling of commercial dog foods and found good news for dog owners. Of the 24 diets tested, only three were positive for low concentrations of total mercury, and only one of those contained detectable methylmercury.

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2019-04-18 21:08:40



Genetic variants that protect against obesity could aid new weight loss medicines  

Around four million people in the UK carry genetic variants that protect them from obesity, type 2 diabetes and heart disease, suggests new research. The team say the discovery could lead to the development of new drugs that help people lose weight.

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2019-04-18 20:58:03



Researchers use 3D printer to print glass  

For the first time, researchers have successfully 3D printed chalcogenide glass, a unique material used to make optical components that operate at mid-infrared wavelengths. The ability to 3D print this glass could make it possible to manufacture complex glass components and optical fibers for new types of low-cost sensors, telecommunications components and biomedical devices.

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2019-04-18 20:26:22



Experimental Gene Therapy Frees "Bubble-Boy" Babies from a Life of Isolation  

Treatment restores immune-system function in young children with severe disorder -- Read more on ScientificAmerican.com

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2019-04-18 20:18:38



Bioengineers program cells as digital signal processors  

Synthetic biologists have added high-precision analog-to-digital signal processing to the genetic circuitry of living cells. The research dramatically expands the chemical, physical and environmental cues engineers can use to prompt programmed responses from engineered organisms.

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2019-04-18 20:09:51



Antimicrobial paints have a blind spot  

Researchers tested bacteria commonly found inside homes on samples of drywall coated with antimicrobial, synthetic latex paints. Within 24 hours, all bacteria died except for Bacillus timonensis, a spore-forming bacterium.

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2019-04-18 19:48:22



Growing a cerebral tract in a microscale brain model  

An international research team modeled the growth of cerebral tracts. Using neurons derived from stem cells, they grew cortical-like spheroids. In a microdevice, the spheroids extended bundles of axons toward each other, forming a physical and electrical connection. Fascicles grew less efficiently when one spheroid was absent, and when a gene relevant to cerebral tract formation was knocked-down. The study further illuminates brain growth and developmental disorders.

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2019-04-18 19:11:13



Green material for refrigeration identified  

Researchers have identified an eco-friendly solid that could replace the inefficient and polluting gases used in most refrigerators and air conditioners.

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2019-04-18 18:58:19



These beetles have successfully freeloaded for 100 million years  

An ancient and rare beetle fossil is the oldest example of a social relationship between two animal species.

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2019-04-18 18:39:47



Important insight on the brain-body connection  

A study reveals that neurons in the motor cortex exhibit an unexpected division of labor, a finding that could help scientists understand how the brain controls the body and provide insight on certain neurological disorders.

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2019-04-18 18:33:15



BRB-seq: The quick and cheaper future of RNA sequencing  

Bioengineers have developed a new method for Bulk RNA Sequencing that combines the multiplexing-driven cost-effectiveness of a single-cell RNA-seq workflow with the performance of a bulk RNA-seq procedure.

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2019-04-18 17:34:23



Researchers use gene editing with CRISPR to treat lethal lung diseases before birth  

Using CRISPR gene editing, researchers have thwarted a lethal lung disease in an animal model in which a harmful mutation causes death within hours after birth. This proof-of-concept study showed that in utero editing could be a promising new approach for treating lung diseases before birth.

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2019-04-18 17:10:25



Scientists Uncover California's Hidden Earthquakes  

Nearly two million tiny tremors could help explain the inner workings of key faults -- Read more on ScientificAmerican.com

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2019-04-18 16:49:52



New automated biological-sample analysis systems to accelerate disease detection  

Microfluidics refers to the manipulation of fluids in microscale devices. Commonly called "labs on a chip," microfluidic systems are used to study and analyze very small-scale chemical or biological samples, replacing the extremely expensive and cumbersome instruments used for traditional biological analyses.

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2019-04-18 16:06:17



Pediatric endocrinologist gives iconic 'Mona Lisa' a second medical opinion  

A doctor refutes the most recent hypothesis that 'Lisa' had hypothyroidism and psychomotor retardation.

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2019-04-18 14:51:20



How A 'Snowball Chamber' Might Help Scientists Finally Find Dark Matter  

If you enjoy watching videos on the internet, you've likely already witnessed the phenomenon known as supercooling. Basically, the process involves taking ultra-pure water and putting it into a clean, smooth container that lacks any structural defects. If the conditions are right, when you attempt to freeze the water by dropping its temperature below 32 degrees Fahrenheit (0 degrees Celsius), it will surprisingly remain in a liquid state. This is because in order for ice crystals...

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2019-04-18 14:41:31



Hubble celebrates its 29th birthday with unrivaled view of the Southern Crab Nebula  

This incredible image of the hourglass-shaped Southern Crab Nebula was taken to mark the NASA/ESA Hubble Space Telescope's 29th anniversary in space. The nebula, created by a binary star system, is one of the many objects that Hubble has demystified throughout its productive life. This new image adds to our understanding of the nebula and demonstrates the telescope's continued capabilities.

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2019-04-18 14:31:37



Blood pressure drug shows promise for treating Parkinson's and dementia in animal study  

A prescribed drug to treat high blood pressure has shown promise against conditions such as Parkinson's, Huntington's and forms of dementia in studies carried out in mice and zebrafish.

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2019-04-18 14:16:25



Infamous 'death roll' almost universal among crocodile species  

The iconic 'death roll' of alligators and crocodiles may be more common among species than previously believed, according to a new study.

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2019-04-18 14:03:19



Ocean circulation likely to blame for severity of 2018 red tide around Florida  

2018 was the worst year for red tide in more than a decade. A new study reveals what made it so severe.

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2019-04-18 13:51:30



Why language technology can't handle Game of Thrones (yet)  

Researchers have performed a thorough evaluation of four different name recognition tools on popular 40 novels, including A Game of Thrones. Their analyses highlight types of names and texts that are particularly challenging for these tools to identify as well as solutions for mitigating this.

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2019-04-18 13:41:36



Cell-killing proteins suppress listeria without killing cells  

New research shows that key proteins known for their ability to prevent viral infections by inducing cell death can also block certain bacterial infections without triggering the death of the host cells.

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2019-04-18 13:18:42



Fossils found in museum drawer in Kenya belong to gigantic carnivore  

Paleontologists have discovered a new species of meat-eating mammal larger than any big cat stalking the world today. Larger than a polar bear, with a skull as large as that of a rhinoceros and enormous piercing canine teeth, this massive carnivore would have been an intimidating part of the eastern African ecosystems occupied by early apes and monkeys.

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2019-04-18 13:09:55



A history of the Crusades, as told by crusaders' DNA  

History can tell us a lot about the Crusades, the series of religious wars fought between 1095 and 1291, in which Christian invaders tried to claim the Near East. But the DNA of nine 13th century Crusaders buried in a pit in Lebanon shows that there's more to learn about who the Crusaders were and their interactions with the populations they encountered.

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2019-04-18 13:02:24



Study shows promise in repairing damaged myelin  

A new study shows that a synthetic molecule stimulates repair of the protective sheath that covers nerve cells in the brain and spinal cord. The study demonstrates in mice that a synthetic molecule called sobetirome efficiently repairs damaged myelin without side effects.

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2019-04-18 12:57:04



The Problem Isn't Sharing Misinformation Online; It's Believing It  

To counter spurious ideas such as those of the antivaccine movement, consider what drives people to accept them -- Read more on ScientificAmerican.com

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2019-04-18 12:32:04



Scientists Discover 1.8 Million Hidden Southern California Earthquakes  

Southern California is famous for its sandy beaches, wine country, theme parks and Hollywood glitz. And also its earthquakes. Now, researchers have identified more than 1.8 million previously unknown earthquakes that hit Southern California between 2008 and 2017. The findings suggest these truly tiny earthquakes — as small as just 0.3 magnitude on the Richter scale — happen every 174 seconds, yet they're hardly felt on Earth's surface. "The goal was to produce a state of the art...

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2019-04-18 12:10:10



Investigators incorporate randomized trial within dialysis care delivery  

The Time to Reduce Mortality in ESRD (TiME) trial was a large pragmatic trial demonstration project designed to determine the benefits of hemodialysis sessions that are longer than many patients currently receive. The trial was conducted through a partnership between academic investigators and 2 large dialysis provider organizations using a highly centralized implementation approach. Although the trial accomplished most of its demonstration project objectives, uptake of the intervention was insu

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2019-04-18 12:07:49



Infection biology: Gut microbe helps thwart Salmonella  

Researchers have identified a bacterial species in the gut microbiome of the mouse which protects against infection by human-pathogenic Salmonella.

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2019-04-18 11:53:56



Simbakubwa: Mega Carnivore Hiding In A Museum Drawer  

Take a polar bear. Take a lion. Mash them together and chuck them in a time machine, sending them back 22 million years to what's now Kenya and you've got the massive carnivore Simbakubwa kutokaafrika. The enormous bitey mammal was identified only after researchers rediscovered partial fossils of it, forgotten in the backroom of a museum. To be clear, Simbakubwa is neither a bear nor a member of the extended feline family, even though its name is Swahili for "big lion." Instead, the mas

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2019-04-18 11:48:41



Engineers tap DNA to create 'lifelike' machines  

Ithaca NY (SPX) Apr 15, 2019 Tapping into the unique nature of DNA, Cornell engineers have created simple machines constructed of biomaterials with properties of living things. Using what they call DASH (DNA-based Assembly and Synthesis of Hierarchical) materials, engineers constructed a DNA material with capabilities of metabolism, in addition to self-assembly and organization - three key traits of life. "We ar

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2019-04-18 11:34:48



Intentions attributed to other people change how we see their actions  

Our apparent ability to see the intent in other's behavior leads us to cling to our false judgements.

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2019-04-18 11:31:59



Firms are better off revealing their environmental practices  

Firms that value and practice environmental transparency in their reporting to stakeholders are in general better economic performers than those whose practices are more opaque.

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2019-04-18 11:26:43



Big Data Has Transformed Agriculture...In Some Places, Anyway  

Poorer parts of the world lag far behind in getting the tools they need to thrive -- Read more on ScientificAmerican.com

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2019-04-18 10:52:15



The Quest For the Roots of Autism — and What It Says About Us All  

As alarm grew over autism prevalence at the turn of this century, there was much public talk of a growing "epidemic." That language has since softened, and it is now clear that many autistic people were there all along, their condition unrecognized until relatively recently. But what is the cause? The emerging narrative today is that there is no single cause — rather, multiple factors, roughly sorted into the categories of genetics and environment, work together in complex ways....

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2019-04-18 10:39:01



It's A Match: Satellite and Ground Measurements Agree on Warming  

The consenus gives confidence to satellite estimates of temperature rise in remote areas with few weather stations -- Read more on ScientificAmerican.com

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2019-04-18 10:36:54



Liver Illness Strikes Latino Children Like a "Silent Tsunami"  

Fatty liver disease, linked to gene interactions with a high-sugar diet, can cause cancer and organ failure -- Read more on ScientificAmerican.com

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2019-04-18 10:26:57



How We Roll: Study Shows We're More Lone Wolves than Team Players  

Results may explain why collective action on climate change and health policy is so difficult -- Read more on ScientificAmerican.com

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2019-04-18 10:06:12



Fish under threat release chemicals to warn others of danger  

Fish warn each other about danger by releasing chemicals into the water as a signal, research has found.

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2019-04-18 10:03:51



New immune pathway involved in resistance to parasite worms found in undercooked pork  

Scientists have discovered that immune responses originally found to prevent fungal infections are also important in eliminating Trichinella spiralis, a round worm and the causative agent of Trichinosis. People acquire trichinellosis by consuming raw or undercooked meat infected with the Trichinella parasite, particularly wild game meat or pork.

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2019-04-18 09:51:06



Why Are Girls Getting Their Periods So Young?  

Female puberty is starting earlier and earlier, with worrying consequences for women’s health -- Read more on ScientificAmerican.com

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2019-04-18 09:35:56



How Old Are Saturn's Rings? The Debate Rages On  

Pinning down the ring system’s age has profound implications for the entire Saturnian system -- Read more on ScientificAmerican.com

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2019-04-18 09:35:55



Electric skyrmions charge ahead for next-generation data storage  

A team of researchers has observed chirality for the first time in polar skyrmions, in a material with reversible electrical properties -- a combination that could lead to more powerful data storage devices that continue to hold information, even after they've been turned off.

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2019-04-18 09:20:25



Can science writing be automated?  

A team of researchers has developed a neural network, a form of artificial intelligence, that can read scientific papers and render a plain-English summary in a sentence or two.

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2019-04-18 09:16:21



Explosion on Jupiter-sized star 10 times more powerful than ever seen on our sun  

Warwick UK (SPX) Apr 18, 2019 A stellar flare ten times more powerful than anything seen on our sun has burst from an ultracool star almost the same size as Jupiter. The star is the coolest and smallest to give off a rare white-light superflare, and by some definitions could be too small be considered a star. The discovery, funded by the Science and Technology Facilities Council, is published in the Monthly Notic

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2019-04-18 09:13:46



Adding human touch to unchatty chatbots may lead to bigger letdown  

Sorry, Siri, but just giving a chatbot a human name or adding humanlike features to its avatar might not be enough to win over a user if the device fails to maintain a conversational back-and-forth with that person, according to researchers. In fact, those humanlike features might create a backlash against less responsive humanlike chatbots.

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2019-04-18 09:10:32



Giant tortoises migrate unpredictably in the face of climate change  

Researchers use GPS to track the timing and patterns of giant tortoise migration over multiple years. The tortoises often take the same migration routes over many years in order to find optimal food quality and temperatures. The timing of this migration is essential for keeping their energy levels high, and climate change could disrupt a tortoise's ability to migrate at the right time.

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2019-04-18 09:03:54



Certain strains of bacteria associated with diabetic wounds that do not heal  

Whether a wound -- such as a diabetic foot ulcer -- heals or progresses to a worse outcome, including infection or even amputation, may depend on the microbiome within that wound.

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2019-04-18 08:32:38



We Might All Have Synesthesia, New Study Suggests  

Oh, to be a synesthete, those rare people with access to an extra layer of perception. Sounds have colors. Words have taste. Colors play music. The list goes on. The phenomenon isn't totally understood by scientists, but the general idea is that those with synesthesia experience sensory inputs differently than the rest of us. It's no wonder that synesthesia is common among artists. But for those of us that just see letters as letters and can't taste a song, synesthesia is more apt to ...

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2019-04-18 08:18:25



Scientists advance creation of 'artificial lymph node' to fight cancer, other diseases  

In a proof-of-principle study in mice, scientists report the creation of a specialized gel that acts like a lymph node to successfully activate and multiply cancer-fighting immune system T-cells. The work puts scientists a step closer, they say, to injecting such artificial lymph nodes into people and sparking T-cells to fight disease.

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2019-04-18 07:54:32



How superstitions spread  

Superstitious beliefs may seem irrational, but they can nevertheless catch on in a society. Using an evolutionary approach to studying the emergence of coordinated behaviors, biologists showed how a jumble of individual beliefs, including superstitions, can coalesce into an accepted social norm.

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2019-04-18 07:33:46



Ocean currents bring good news for reef fish  

A new study suggests reefs suffering coral bleaching can still be productive, as fish dependent on reefs get a bulk of their food delivered via the currents flowing past.

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2019-04-18 06:56:52



A Genetic Risk Score Tries to Predict Whether A Child Will Become Obese  

A still-controversial test could be administered to toddlers to gauge their chances -- Read more on ScientificAmerican.com

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2019-04-18 06:55:18



Taming the genome's 'jumping' sequences  

Scientists have discovered how a family of proteins that regulates the activity of transposable elements in the genome allows them to make inheritable changes to the growing fetus.

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2019-04-18 06:54:48



Does time of day affect the body's response to exercise?  

New research confirms that the circadian clock is an important factor in how the body responds to physical exertion. Based on this work alone, it's too early to say when the best time is for you to go for a jog. But at least in the lab, exercise in the evening seems to be more productive, although human lifestyles are much more complicated.

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2019-04-18 06:54:47



The discrete-time physics hiding inside our continuous-time world  

Santa Fe NM (SPX) Apr 16, 2019 Scientists believe that time is continuous, not discrete - roughly speaking, they believe that it does not progress in "chunks," but rather "flows," smoothly and continuously. So they often model the dynamics of physical systems as continuous-time "Markov processes," named after mathematician Andrey Markov. Indeed, scientists have used these processes to investigate a range of real-world process

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2019-04-18 06:38:51



How Do I Know If My Tap Water Is Safe?  

Everyday Einstein explains what contaminates our water, how it gets there, and what we can do to test it -- Read more on ScientificAmerican.com

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2019-04-18 06:30:39



Lasers make magnets behave like fluids  

Researchers have discovered how magnets recover after being blasted by a laser. It turns out, they act a bit like oil and water in a jar.

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2019-04-18 06:17:40



Brain wiring differences identified in children with conduct disorder  

Behavioral problems in young people with severe antisocial behavior -- known as conduct disorder -- could be caused by differences in the brain's wiring that link the brain's emotional centers together, according to new research.

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2019-04-18 06:08:53



Understanding the Sacrificial Puppies Found in Shang Dynasty Graves  

During the last centuries of China's Shang dynasty, which lasted from 1600 B.C. to 1050 B.C., ritual sacrifice was a well-oiled cultural phenomenon, rich and varied in its manifestations. Rulers and elites sacrificed animals and humans to appease spirits or the ancestors. Just as humans met their ends, dogs were often right beside them. Now a study in Archaeological Research in Asia, published in March, shows that people from the Shang dynasty relied heavily on sacrificial puppies to ac...

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2019-04-18 05:56:02






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