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Science Daily: News Articles in Science, Health, Environment Technology

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate environment, computers, engineering, health medicine, math, physics, psychology, technology, and more -- from the world's leading universities and research organizations. id=metasummary ScienceDaily -- the Internet's premier science news web site -- brings you the latest discoveries in science, health & medicine, the environment, space, technology, and computers, from the world's leading universities and research institutions. Updated several times a day, Science Daily also offers free search of its archive of more than 80,000 stories, as well as related articles, images, videos, books, and journal references in hundreds of different topics, including astronomy, biology, chemistry, engineering, geology, mathematics, physics, and more.



Researchers mimic comet moth's silk fibers to make 'air-conditioned' fabric  

In exploring the optical properties of the Madagascar comet moth's cocoon fibers, a team discovers the fibers' exceptional capabilities to reflect sunlight and to transmit optical signals and images, and develops methods to spin artificial fibers mimicking the natural fibers' nanostructures and optical properties.

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2018-05-18 20:09:02



Researchers operate lab-grown heart cells by remote control  

Researchers have developed a technique that allows them to speed up or slow down human heart cells growing in a dish on command -- simply by shining a light on them and varying its intensity. The cells are grown on a material called graphene, which converts light into electricity, providing a more realistic environment than standard plastic or glass laboratory dishes.

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2018-05-18 19:51:47



Blood type affects severity of diarrhea caused by E. coli  

A new study shows that a kind of E. coli most associated with 'travelers' diarrhea' and children in underdeveloped areas of the world causes more severe disease in people with blood type A. The bacteria release a protein that latches onto intestinal cells in people with blood type A, but not blood type O or B, according to a new study.

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2018-05-18 19:44:09



Immune cell provides cradle for mammary stem cells  

Researchers have made new discoveries about how an immune cell known as the macrophage, which normally fights infection by swallowing foreign invaders, nurtures mammary gland stem cells through a chemical signaling molecule. The study may provide important clues about the roles of macrophages in breast cancer progression.

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2018-05-18 18:36:35



A way to prevent pancreatic cancer from spreading post-surgery?  

New research suggests a strategy for lowering the odds of metastasis following successful pancreatic cancer surgery: The post-operative period, suggests a researcher, 'offers a window during which efforts might be made to keep cortisol levels down and T cells strong so the patient's own immune system can kill the cancer cells that have made their way to other parts of the body but until this point have been dormant.'

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2018-05-18 15:16:19



One third of people aged 40-59 have evidence of degenerative disc disease  

Researchers have reported that one-third of people 40-59 years have image-based evidence of moderate to severe degenerative disc disease and more than half had moderate to severe spinal osteoarthritis.

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2018-05-18 13:45:06



Robotic assembly of the world's smallest house -- Even a mite doesn't fit through the door!  

A nanorobotics team has assembled a new microrobotics system that pushes forward the frontiers of optical nanotechnologies. Combining several existing technologies, the newly developed nanofactory builds microstructures in a large vacuum chamber and fixes components onto optical fiber tips with nanometer accuracy. The microhouse construction demonstrates how researchers can advance optical sensing technologies when they manipulate ion guns, electron beams and finely controlled robotic piloting.

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2018-05-18 13:12:59



Keep the light off: A material with improved mechanical performance in the dark  

Researchers found that zinc sulfide crystals were brittle under normal lighting conditions at room temperature, but highly plastic when deformed in complete darkness. Deformation of zinc sulfide crystals in the dark also narrowed their band gap, which controls electrical conductivity. The team's findings showed the mechanical and electronic properties of inorganic semiconductors are sensitive to light, revealing a possible route to engineer the performance of inorganic semiconductors, which are

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2018-05-18 12:40:49



3D-printed smart gel that walks underwater, moves objects  

Engineers have created a 3D-printed smart gel that walks underwater and grabs objects and moves them. The watery creation could lead to soft robots that mimic sea animals like the octopus, which can walk underwater and bump into things without damaging them. It may also lead to artificial heart, stomach and other muscles, along with devices for diagnosing diseases, detecting and delivering drugs and performing underwater inspections.

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2018-05-18 12:35:15



Porous materials make it possible to have nanotechnology under control  

A research team is able to stabilize different metallic nanostructures by encapsulating them in porous monocrystalline materials.

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2018-05-18 12:25:28



Hookah responsible for over half of tobacco smoke inhaled by young smokers  

Smoking tobacco from a waterpipe, also known as a hookah, accounted for over half of the tobacco smoke volume consumed by young adult hookah and cigarette smokers in the US, a new analysis discovered. In the US, hookah smoking rates are increasing and cigarette smoking rates are decreasing, especially among young adults.

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2018-05-18 12:23:17



Buyer beware: Some water-filter pitchers much better at toxin removal  

Scientists compared three popular pitcher brands' ability to clear dangerous microcystins from tap water. They found that while one did an excellent job, other pitchers allowed the toxins -- which appear during harmful algal blooms (HABs) -- to escape the filter and drop into the drinking water.

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2018-05-18 11:37:39



Repeating seismic events offer clues about Costa Rican volcanic eruptions  

Repeating seismic events--events that have the same frequency content and waveform shapes--may offer a glimpse at the movement of magma and volcanic gases underneath Turrialba and Poas, two well-known active volcanoes in Costa Rica.

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2018-05-18 11:35:29



Explaining the history of Australia's vegetation  

New research has uncovered the history of when and why the native vegetation that today dominates much of Australia first expanded across the continent.

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2018-05-18 10:49:53



Improving survival in pancreatic cancer with platinum-based chemotherapy  

A small study of adults with the most common form of pancreatic cancer adds to evidence that patients with BRCA1 or BRCA2 gene mutations long linked to a high risk of breast cancer have poorer overall survival rates than those without the mutations.

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2018-05-18 10:41:16



What bacteria can teach us about combating atrazine contamination  

Researchers are interested in harnessing the bacterial ability to degrade atrazine in order to remediate atrazine-polluted environments. They now describe previously unknown proteins involved in atrazine degradation.

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2018-05-18 10:36:40



Antibacterial in your toothpaste may combat severe lung disease  

Researchers have found that when triclosan, a substance that reduces or prevents bacteria from growing, is combined with an antibiotic called tobramycin, it kills the cells that protect cystic fibrosis bacteria, known as Pseudomonas aeruginosa, by up to 99.9 percent.

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2018-05-18 10:03:55



Matabele ants: Travelling faster with detours  

Ants do not always take the shortest route when they are in a hurry. Their navigational system occasionally makes them take detours to speed up their journey.

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2018-05-18 09:40:27



Researchers discover how body temperature wrecks potential dengue, Zika vaccine  

A major route toward creating effective vaccines against dengue virus and Zika involves the E protein that covers the surface of each viral particle. But creating such a vaccine has proven difficult for a number of reasons. Now researchers have delineated the details of one major barrier to a promising vaccine. It's something we all have -- a natural body temperature of about 98.6 degrees.

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2018-05-18 09:36:47



Evaluating active pressure management of induced earthquakes  

Can altering the amount or rate of fluid injection and production in an oil and gas field or carbon storage site affect induced earthquakes in that field? A physics-based simulation suggests that this type of "active pressure management" can be useful in controlling induced seismicity at certain wells.

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2018-05-18 09:30:19



Sugars in infant formulas pose risk to babies with inherited metabolic disorder  

Babies with inherited intolerance of fructose face a risk of acute liver failure if they are fed certain widely available formulas containing fructose, pediatricians and geneticists are warning. Baby formula manufacturers should remove fructose or sucrose, or explicitly label their products to allow parents to avoid those sweeteners if necessary, the doctors say.

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2018-05-18 09:09:36



A new map for a birthplace of stars  

A research group has created the most detailed maps yet of a vast seedbed of stars similar to Earth's sun.

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2018-05-18 08:54:47



Astronomers release most complete ultraviolet-light survey of nearby galaxies  

Capitalizing on the unparalleled sharpness and spectral range of NASA's Hubble Space Telescope, an international team of astronomers is releasing the most comprehensive, high-resolution ultraviolet-light survey of nearby star-forming galaxies.

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2018-05-18 07:54:01



How immune cells kill bacteria with acid  

The first line of immune defense against invading pathogens like bacteria are macrophages, immune cells that engulf every foreign object that crosses their way and kill their prey with acid. However, it is not yet entirely understood how the acidification process is established. In their quest to systematically study proteins that transport chemicals across cellular membranes, researchers characterized the critical role for transporter SLC4A7, providing valuable new insights for many pathologic

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2018-05-18 07:37:12



Ammunition with risks and side effects  

Hunting with lead shot is highly restricted or entirely banned in many countries due to the danger of poisoning birds and environment. However, alternative ammunition is not without its own risks, as was discovered in a recent study.

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2018-05-18 07:35:03



Want to help your child succeed in school? Add language to the math, reading mix  

A new study finds that a child's language skills in kindergarten can predict his or her future proficiency in other subjects.

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2018-05-18 06:26:53



Erectile dysfunction drugs and flu vaccine may work together to help immune system fight cancer after surgery  

A new study suggests that a common treatment for erectile dysfunction combined with the flu vaccine may be able to help the immune system mop up cancer cells left behind after surgery. The study shows that this unconventional strategy can reduce the spread of cancer by more than 90 percent in a mouse model. It is now being evaluated in a world-first clinical trial.

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2018-05-18 06:20:25



Giraffes surprise biologists yet again  

New research has highlighted how little we know about giraffe behavior and ecology.

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2018-05-18 06:07:16



Women sometimes feel regret after electing to freeze their eggs  

Most women feel empowered by elective procedures that enable them to bank eggs in case they can't conceive naturally later in life, researchers have found. But one in six become regretful, for reasons that researchers do not yet fully understand.

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2018-05-18 05:53:19



Diamond 'spin-off' tech could lead to low-cost medical imaging and drug discovery tools  

An international team has discovered how to exploit defects in nanoscale and microscale diamonds and potentially enhance the sensitivity of magnetic resonance imaging and nuclear magnetic resonance systems while eliminating the need for their costly and bulky superconducting magnets.

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2018-05-18 05:35:23



New era for blood transfusions through genome sequencing  

Scientists have leveraged the MedSeq Project -- the first randomized trial of whole genome sequencing in healthy adults -- to develop and validate a computer program that can comprehensively and cost-effectively determine differences in individuals' blood types with more than 99 percent accuracy.

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2018-05-18 05:16:46



Virtual-reality testing ground for drones  

Engineers have developed a new virtual-reality training system for drones that enables a vehicle to 'see' a rich, virtual environment while flying in an empty physical space. The system, which the team has dubbed 'Flight Goggles,' could significantly reduce the number of crashes that drones experience in actual training sessions. It can also serve as a virtual testbed for any number of environments and conditions in which researchers might want to train fast-flying drones.

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2018-05-18 04:59:31



Innovative light-delivery technique improves biosensors  

There is a continuing need for practical chip-based sensors that can be used at the point of care to detect cancer and other diseases. An innovative way to inject light into tiny silicon microdisks could help meet this need by bringing down the cost and improving the performance of chip-based biosensors.

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2018-05-18 04:39:29



Cannabis: It matters how young you start  

Researchers find that boys who start smoking pot before 15 are much more likely to have a drug problem at 28 than those who start at 15 or after.

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2018-05-18 04:32:51



A new system is designed that improves the quality of frozen horse sperm  

The method reduces ice crystals that form during cryopreservation and affect spermatozoon structure.

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2018-05-18 04:29:36



Asian tiger mosquito on the move  

Scientists have compared the ecological niches of the Asian tiger mosquito and the yellow fever mosquito, both of which transmit infectious diseases, on various continents. The invasion time span plays an important role in their expansion and the Asian tiger mosquito has not yet arrived in all regions where it would find a suitable environment.

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2018-05-18 03:39:41



E. coli tailored to convert plants into renewable chemicals  

Jet fuel, pantyhose and plastic soda bottles: all three could be made from bioengineered bacteria.

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2018-05-18 03:30:01



Can a quantum drum vibrate and stand still at the same time?  

Researchers have studied how a 'drumstick' made of light could make a microscopic 'drum' vibrate and stand still at the same time.

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2018-05-18 03:29:56



Variations in placental microbiota appear related to premature birth  

Researchers have found a surplus of pathogenic bacteria in placentas from premature births, supporting the hypothesis that maternal infection may cause preterm birth.

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2018-05-18 03:21:25



Battling bubbles: How plants protect themselves from killer fungus  

In the battle between plants and pathogens, molecules called small RNAs are coveted weapons used by both invaders and defenders. Researchers report how plants package and deliver the sRNAs they use to fight back against plant pathogens. The study focused on Botrytis cinerea, a fungus that causes a grey mold disease in strawberries, tomatoes, and almost all fruits, vegetables, and many flowers.

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2018-05-18 03:11:28



Probiotics to protect bees from an infection associated with colony collapse disorder  

Adding probiotics to bees' food helps make them more resistant to nosemosis, a fungal infection associated with colony collapse disorder that has been observed in Europe and North America over the past 20 years. Probiotics can decrease the mortality rate of this infection in bees by up to 40 percent, report researchers.

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2018-05-18 03:01:41



Single-tablet HIV treatment shows better outcomes over multi-tablet regimen  

HIV patients on a single-tablet daily regimen had better outcomes than patients taking multiple pills per day, a new study shows.

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2018-05-18 02:59:33



New Zealand's secret recipe for active school travel: The neighborhood built environment  

Increased rates of active travel (e.g., walking or cycling) to school in New Zealand children and youth were associated with shorter distances to school, and neighborhoods with more connected streets, less residential density, and lower socio-economic status, reveals a new systematic meta-analysis.

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2018-05-18 02:26:55



New insights into malaria parasite  

Scientists have found that various stages of the development of human malaria parasites, including stages involved in malaria transmission, are linked to epigenetic features and how chromatin -- the complex of DNA and proteins within the nucleus -- is organized and structured in these parasites.

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2018-05-18 02:10:33



The dark side of our genes -- healthy aging in modern times  

Scientists collate the evidence for the mismatch between past evolutionary adaptation and our modern lives. They also ask whether natural selection linked to modernization might reduce globally the burden of some chronic diseases.

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2018-05-18 02:06:15



Insect gene allows reproductive organs to cope with harmful bacteria  

A group of biologists has studied Nasonia parasitic wasps, which are about the size of a sesame seed, and they serve as one of the best models to dissect and characterize the evolution of insect genomes.

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2018-05-18 01:44:32



Discovery will impact design of drug delivery systems at the molecular level  

Researchers have made a discovery that will impact the design of not only drug delivery systems, but also the development of newer applications in water filtration and energy production. They made this discovery while investigating how the drug molecules in solution travel through a nanochannel drug-delivery system.

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2018-05-18 01:03:05



New catalyst upgrades greenhouse gas into renewable hydrocarbons  

Engineers have designed a most efficient and stable process for converting climate-warming carbon dioxide into a key chemical building block for plastics -- all powered using renewable electricity.

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2018-05-17 21:45:56



Shocking study shows one third of world's protected areas degraded by human activities  

A shocking study confirms that one third of the world's protected areas -- an astonishing 2.3 million square miles or twice the size of the state of Alaska - are now under intense human pressure including road building, grazing, and urbanization.

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2018-05-17 21:38:24



Materials scientists develop new forming technology: Processing glass like a polymer  

Pure quartz glass is highly transparent and resistant to thermal, physical, and chemical impacts. These are optimum prerequisites for use in optics, data technology or medical engineering. For efficient, high-quality machining, however, adequate processes are lacking. Scientists have developed a forming technology to structure quartz glass like a polymer.

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2018-05-17 19:20:05



'Undermatched' students less likely to graduate on time compared to peers  

A new study finds that undermatching -- when high-performing students, often from economically-disadvantaged households, attend less competitive colleges than their qualifications permit -- correlates to another higher education dilemma: delayed graduation. The study shows that students who undermatch are less likely to graduate college within four or six years compared to peers who do not undermatch.

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2018-05-17 18:49:41



Breakthrough in understanding rare lightning-triggered gamma-rays  

The Telescope Array detected 10 bursts of downward terrestrial gamma-ray flashes (TGFs) between 2014 and 2016, more events than have been observed in rest of the world combined. They are the first to detect downward TGFs at the beginning of cloud-to-ground lightning, and to show where they originated inside thunderstorms. The array is by far the only facility capable of documenting the full TGF 'footprint' on the ground.

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2018-05-17 17:13:47



Scientists analyze first ancient human DNA from Southeast Asia  

Researchers have completed the first whole-genome analysis of ancient human DNA from Southeast Asia Study identifies at least three major waves of human migration into the region over the last 50,000 years, each shaping the genetics of Southeast Asia.

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2018-05-17 16:12:48



Continental shelf shape leads to long-lasting tsunami edge waves during Mexican earthquake  

The shape of the continental shelf off the southern Mexican coast played a role in the formation of long-lasting tsunami edge waves that appeared after last September's magnitude 8.2 earthquake.

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2018-05-17 15:01:07



Learning music or speaking another language leads to more efficient brains  

Whether you learn to play a musical instrument or speak another language, you're training your brain to be more efficient, suggests a new study. Researchers found that musicians and people who are bilingual utilized fewer brain resources when completing a working memory task, according to recently published findings.

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2018-05-17 14:26:11



Scientists uncover a new face of a famous protein, SWI2/SNF2 ATPase  

A team of scientists now have a deeper understanding of a large switch/sucrose non-fermentable (SWI/SNF) protein complex that plays a pivotal role in plant and human gene expression that causes life-threatening diseases such as cancer.

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2018-05-17 14:12:05



European wind energy generation potential in a 1.5 degree C warmer world  

The UK and large parts of northern Europe could become windier if global temperatures reach 1.5 degrees C above pre-industrial levels, according to a new study.

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2018-05-17 14:08:43



Vast ionized hydrogen cloud in the Whirlpool Galaxy revealed by ultra-sensitive telescope  

No one has ever seen what astronomers first observed using a refurbished 75-year-old telescope in the Arizona mountains. What it was turned out to be a massive cloud of ionized hydrogen gas spewed from a nearby galaxy and then essentially 'cooked' by radiation from the galaxy's central black hole.

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2018-05-17 13:50:36



Cellular valve structure opens up potential novel therapies  

Biochemists have determined the detailed structure of a volume-regulated chloride channel. This cellular valve is activated in response to swelling to prevent the cell from bursting. The protein also plays an important role in the uptake of chemotherapeutics and the release of neurotransmitters after a stroke. The controlled regulation of its activity thus opens up a promising strategy for novel therapies.

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2018-05-17 13:20:02



Detecting the shape of laser pulses  

Researchers have developed a method to measure the shape of laser pulses in ambient air. Unlike conventional strategies, it is does not require a vacuum environment and can be applied to laser beams of different wavelengths (UV, visible or longer). This patented technique, currently available for technology transfer and commercialization and it is expected to accelerate studies on light-matter interaction.

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2018-05-17 12:56:04



Climate-threatened animals unable to relocate  

Many of the European mammals whose habitat is being destroyed by climate change are not able to find new places to live elsewhere.

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2018-05-17 12:22:27



Smarter brains run on sparsely connected neurons  

The more intelligent a person, the fewer connections there are between the neurons in his cerebral cortex. This is the result of a study conducted by neuroscientists; the study was performed using a specific neuroimaging technique that provides insights into the wiring of the brain on a microstructural level.

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2018-05-17 12:21:15



Brain abnormality indicates general risk for mental illness  

A new study reports an abnormality in visual regions of the brain that is associated with a person's general risk for mental illness. The findings indicate a signature abnormality shared between common forms of mental illness, which could help clinicians assess a patient's general risk for developing a mental illness.

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2018-05-17 12:17:48



The survival of sea birds affected by ocean cycles  

In a general context of climate change, researchers have revealed the impact of ocean cycles, such as the Pacific decadal oscillation and El Niño, on the survival of the Nazca booby. Their research shows for the first time that long cycles directly affect the survival of adult populations.

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2018-05-17 10:54:18



Supersonic waves may help electronics beat the heat  

Researchers made the first observations of waves of atomic rearrangements, known as phasons, propagating supersonically through a vibrating crystal lattice -- a discovery that may dramatically improve heat transport in insulators and enable new strategies for heat management in future electronics devices.

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2018-05-17 10:48:41



How social isolation transforms the brain  

Researchers gain new insights into the brain mechanisms underlying the negative effects caused by long-term social isolation.

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2018-05-17 10:47:55



More than a living syringe: Mosquito saliva alone triggers unexpected immune response  

Mosquito saliva alone can trigger an unexpected variety of immune responses in an animal model of the human immune system.

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2018-05-17 10:38:58



New Zealand has its own population of blue whales  

A group of blue whales that frequent the South Taranaki Bight (STB) between the North and South islands of New Zealand appears to be part of a local population that is genetically distinct from other blue whales in the Pacific Ocean and Southern Ocean, a new study has found.

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2018-05-17 10:35:38



Keep saying yes to fish twice a week for heart health  

A new scientific advisory reaffirms the recommendation to eat two servings of fish per week.

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2018-05-17 10:34:45



Pesticides: What happens if we run out of options?  

What happens when pests resist all forms of herbicides and pesticides? To slow the evolutionary progression of weeds and insect pests gaining resistance to herbicides and pesticides, policymakers should provide resources for large-scale, landscape-level studies of a number of promising but untested approaches for slowing pest evolution.

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2018-05-17 10:26:48



What we've learned about the nucleolus since you left school  

The size of a cell's nucleolus may reveal how long that cell, or even the organism it belongs to, will live. Over the past few years, researchers have been piecing together an unexpected link between aging and an organelle often called the cell's ribosome factory (or just a blob in the middle of the nucleus). A new report outlines the connections between the nucleolus and age-related pathways.

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2018-05-17 10:18:30



Can we get 100 percent of our energy from renewable sources?  

Some researchers doubted the feasibility of many of the recent scenarios for high shares of renewable energy. Now scientists have hit back with their response to the points raised. They demonstrate that there are no roadblocks on the way to a 100 percent renewable future.

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2018-05-17 10:13:48



Surprise cell death discovery provides birth defect clues  

Researchers have made a surprise discovery that could rewrite our understanding of the role programmed cell death plays in embryonic development and congenital birth defects. The team showed that, while programmed cell death -- or apoptosis -- is essential for healthy development overall, many organs and tissues do not require apoptosis to develop normally. The study also suggested that abnormalities in cell death processes are likely to contribute to some common birth defects in humans, such as

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2018-05-17 10:06:29



Photosynthesis involves a protein 'piston'  

The photosystem I (PSI)-ferrodoxin (Fd) complex is important in electron transfer during photosynthesis, through which plants convert sunlight, carbon dioxide, and water into complex chemicals and oxygen. Scientists have recently crystallized the PSI-Fd complex for the first time. They found that the PSI-Fd complex contained Fd with weak and strong binding states and that Fd binding caused the PSI subunits to reorganize into a structure that facilitated rapid electron transfer.

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2018-05-17 09:43:27



Emergency contact info helps researchers branch out family tree  

A collaborative team of researchers from three major academic medical centers in New York City is showing that emergency contact information, which is included in individuals' electronic health records (EHRs), can be used to generate family trees. Those family trees in turn can be used to study heritability in hundreds of medical conditions.

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2018-05-17 09:39:19



Critically endangered South American forests were planted by ancient peoples  

Critically endangered South American forests thought to be the result of climate change were actually spread by ancient communities, archaeologists have found.

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2018-05-17 09:32:54



Above us only sky: The open air as an underappreciated habitat  

Scientists have collated the current scientific knowledge on potential hazards to one group of animals flying at high altitudes, bats. Researchers synthesize threats facing bats in troposphere and provide recommendations for potential protective measures to ensure persistence of bats and other high-flying animals.

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2018-05-17 08:22:45



Male depression may lower pregnancy chances among infertile couples  

Among couples being treated for infertility, depression in the male partner was linked to lower pregnancy chances, while depression in the female partner was not found to influence the rate of live birth, according to a new study. The study also linked a class of antidepressants known as non-selective serotonin reuptake inhibitors (non-SSRIs) to a higher risk of early pregnancy loss among females being treated for infertility.

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2018-05-17 07:57:23



Ancient human remains and a mystery unearthed  

Archaeologists have unearthed an intact 4,000 year old human cremation in clay pottery urn on Cornish site she discovered by accident.

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2018-05-17 07:31:46



La Trobe's infection-busting discovery  

Scientists have shown a protein found in a tobacco plant has the potential to fight life-threatening infectious diseases.

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2018-05-17 07:15:15



Faster test for cannabis quality  

Researchers have developed a new method of measuring phytocannabinoids -- the primary bioactive molecules in cannabis -- that will lead to faster, safer and more accurate information for producers, regulators and consumers alike.

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2018-05-17 07:11:57



Functional films made of environmentally friendly clay minerals and dyes  

Researchers have created a transparent hybrid film that combines natural clay minerals and dyes into a material that changes color in response to environmental humidity. The color change does not involve breaking chemical bonds; the team uncovered a novel mechanism that makes the process easily reversible, for long-lasting functionality using environmentally friendly materials. Applications include environmental sensors, and state-of-the-art light amplification in displays.

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2018-05-17 07:04:58



Feeding habits of ancient elephants uncovered from grass fragments stuck in their teeth  

A new study examined the feeding habits of ancient elephant relatives that inhabited Central Asia some 17 million years ago.

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2018-05-17 05:35:20



The ultrafast dance of liquid water  

Typically we consider that water molecules in the liquid state move randomly on ultrafast timescales due to thermal fluctuations. Now, scientists have discovered correlated motion in water dynamics on a sub-100 femtoseconds timescale. This appears as 'caging effects' due to buildup of tetrahedral structures upon supercooling. The results are based on a combination of experimental studies using x-ray lasers and theoretical simulations.

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2018-05-17 05:12:24



Quarks feel the pressure in the proton  

Inside every proton in every atom in the universe is a pressure cooker environment that surpasses the atom-crushing heart of a neutron star. That's according to the first measurement of a mechanical property of subatomic particles, the pressure distribution inside the proton.

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2018-05-17 05:11:32



C'mon get happy: Upbeat songs by female singers dominate the charts, UCI study finds  

Roll over, Beethoven. Elvis Presley too. Female singers with upbeat dance songs are far more likely to make the bestseller music charts, according to new findings. Yet the number of happy songs has declined in recent years, while more negative tunes are increasing.

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2018-05-17 04:56:49



Shedding light on brain's ability to orchestrate movement  

New research in mice reveals how specialized neurons allow the brain to construct sequences of movements. Damage to these neurons disrupts the ability to correctly string together movements into desired actions. The findings may inform the study and eventual treatment of movement disorders such as Parkinson's and Huntington's.

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2018-05-17 04:48:22



Single surface protein boosts multiple oncogenic pathways in acute myeloid leukemia  

Researchers have discovered that a signaling protein elevated in patients with acute myeloid leukemia (AML) plays a much wider role in the disease than previously thought. The study raises hopes that current efforts to target this signaling protein could be a successful strategy to treat AML and other blood cancers.

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2018-05-17 04:35:05



Alternative treatment for mild asthma  

People with mild asthma are often prescribed a daily treatment regimen, but up to 80 per cent do not follow the routine, using inhalers only when they have an asthma attack. Now the researchers have found an as-needed combined-drug inhaler is a viable treatment option.

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2018-05-17 04:34:51



Climate change impacts fragile river ecosystems  

Research undertaken in South Africa's Kruger National Park (KNP) has shown that some of the world's most sensitive and valuable riverine habitats are being destroyed due to an increasing frequency of cyclone-driven extreme floods.

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2018-05-17 04:34:04



Artificial Intelligence improves stroke and dementia diagnosis in most common brain scan  

Artificial Intelligence improves stroke and dementia diagnosis in commonest form of brain scan.

what do you think?

2018-05-17 04:23:58



Most deprived are nearly twice as likely to develop dementia  

Older adults in England with fewer financial resources are more likely to develop dementia, according to new research.

what do you think?

2018-05-17 04:23:04



Climate change in Quebec equals a much greater diversity of species???  

A team of researchers believe that, paradoxically, climate change may result in Quebec's national and provincial parks becoming biodiversity refuges of continental importance as the variety of species present there increases. They calculated potential changes in the presence of 529 species in about one third of the protected areas in southern Quebec. Their results suggest that fifty -- eighty years from now (between 2071-2100) close to half of the protected regions of southern Quebec may see a s

what do you think?

2018-05-17 04:22:11



The opioid epidemic has boosted the number of organs available for transplant  

The researchers examined 17 years of transplantation records and found no significant change in the recipients' chance of survival when the organ donation came from victims of drug intoxication.

what do you think?

2018-05-17 04:22:05



How 'navigational hazards' in metro maps confuse travelers  

Some features in metro maps cause passengers to make substantial mistakes in journey planning, but it may be possible to detect and rectify these with automated software, new research has indicated.

what do you think?

2018-05-17 04:19:55



Diverse and abundant megafauna documented at new Atlantic US Marine National Monument  

Airborne marine biologists were dazzled by the diversity and abundance of large, unusual and sometimes endangered marine wildlife on a recent trip to the Northeast Canyons and Seamounts National Marine Monument, about 150 miles southeast of Cape Cod.

what do you think?

2018-05-17 04:01:07



Robots grow mini-organs from human stem cells  

A robotic system has been developed to automate the production of human mini-organs derived from stem cells. The ability to rapidly, mass produce organoids promises to expand the use of mini-organs in basic research and drug discovery. The system was tested in producing kidney organoids, including models of polycystic kidney disease. The robots were also programmed to analyze the organoids they produced.

what do you think?

2018-05-17 03:49:29



Researchers control the properties of graphene transistors using pressure  

Researchers have developed a technique to manipulate the electrical conductivity of graphene with compression, bringing the material one step closer to being a viable semiconductor for use in today's electronic devices.

what do you think?

2018-05-17 03:33:32



The mystery of lime-green lizard blood  

Green blood is one of the most unusual characteristics in the animal kingdom, but it's the hallmark of a group of lizards in New Guinea. The muscles, bones and tongues of these lizards appear bright, lime-green due to high levels of biliverdin, or a green bile pigment, which is toxic and causes jaundice. Surprisingly, these lizards remain healthy with levels of green bile that are 40 times higher than the lethal concentration in humans.

what do you think?

2018-05-17 03:27:53



New method eliminates guesswork when lenses go freeform  

Researchers have combined theory and practice in a step-by-step method that eliminates much of the guesswork of using freeform lenses.

what do you think?

2018-05-17 03:27:47






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