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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.



Teens who were severely bullied as children at higher risk of suicidal thoughts, mental health issue  

Teens who were severely bullied as children by peers are at higher risk of mental health issues, including suicidal thoughts and behaviours, according to new research.

what do you think?

2018-01-15 21:44:46



Surfers three times more likely to have antibiotic-resistant bacteria in guts  

Scientists compared fecal samples from surfers and non-surfers to assess whether the surfers' guts contained E. coli bacteria that were able to grow in the presence of the antibiotic cefotaxime. Cefotaxime has previously been prescribed to kill off these bacteria, but some have acquired genes that enable them to survive this treatment. The study found that 13 of 143 (9 percent) of surfers were colonized by these resistant bacteria, compared to just four of 130 (3 percent) of non-surfers swabbed.

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2018-01-15 20:45:04



Robots aid better understanding of phytoplankton blooms  

Phytoplankton blooms are one of the most important factors contributing to the efficiency of the carbon pump in the North Atlantic Ocean. To better understand this phenomenon, researchers have developed a new class of robots able to collect data in the ocean throughout the year. Using these unparalleled data, the researchers have identified the starting point for the explosive spring phytoplankton bloom.

what do you think?

2018-01-15 20:29:38



Energy drinks can negatively impact health of youth  

Over half of Canadian youth and young adults who have consumed energy drinks have experienced negative health effects as a result, according to a new study.

what do you think?

2018-01-15 19:56:05



Youth using alternative tobacco products are more likely to smoke one year later  

Nonsmoking adolescents who use e-cigarettes, smokeless tobacco or tobacco water pipes are more likely to start smoking conventional cigarettes within a year, according to new research.

what do you think?

2018-01-15 19:19:51



Scientists home in on a potential Anthropocene 'Golden Spike'  

A new study suggests that key geological markers align towards a start for the Anthropocene somewhere between 1952 to 1955, based on signals from nuclear testing and fossil fuel burning.

what do you think?

2018-01-15 19:10:13



Nature has more than one way to make methane  

Biochemists report a bacterial, iron-only nitrogenase pathway for methane formation.

what do you think?

2018-01-15 18:54:01



A society divided by reconstruction  

In 2004, a tsunami devastated much of the Indonesian city of Banda Aceh. An international team of researchers has studied the long-term impact that rebuilding efforts in coastal areas have had on the community.

what do you think?

2018-01-15 18:18:59



Fast-tracking T-cell therapies with immune-mimicking biomaterials  

Researchers have developed a material-based T-cell-expansion method using APC-mimetic biomaterial scaffolds, which helps achieve greater expansion of primary mouse and human T cells than existing methods.

what do you think?

2018-01-15 17:51:58



An efficient approach of conjugated tetraenes from butadiene and alkynes  

Conjugated tetraenes are important key substructures in electronic materials, natural products and pharmaceutical molecules. However, they are difficult to synthesize. Now, researchers in Japan have achieved a new synthetic route of conjugated tetraenes from inexpensive and easily available 1,3-butadiene and substituted acetylenes by a one-pot approach under mild conditions.

what do you think?

2018-01-15 15:35:48



New method to detect illicit drone filming developed  

A new technique to detect a drone camera illicitly capturing video is revealed in a new study by cyber security researchers in Israel. The study addresses increasing concerns about the proliferation of drone use for personal and business applications and how it is impinging on privacy and safety.

what do you think?

2018-01-15 15:25:01



Potential brain-machine interface for hand paralysis  

A brain-machine interface that combines brain stimulation with a robotic device controlling hand movement increases the output of pathways connecting the brain and spinal cord, according to a study of healthy adults. This work could have implications for restoring function in stroke patients with hand paralysis.

what do you think?

2018-01-15 14:49:10



We will treat cancer by making it 'slim down'  

For years, attempts have been made to understand the mechanism behind the proliferation of cancer cells:  they need metabolites to grow and proliferate as much as a vehicle needs gasoline or electricity to move.  However, until now it was not known which metabolites cancer cells actually need. Medical researchers have now identified one of the mechanisms behind this process.

what do you think?

2018-01-15 14:47:01



Genes that aid spinal cord healing in lamprey also present in humans, researchers discover  

Many of the genes involved in natural repair of the injured spinal cord of the lamprey are also active in the repair of the peripheral nervous system in mammals, according to a new study.

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2018-01-15 14:29:28



Gyroscopes lead scientists to unusual state of matter in a disorganized structure  

You don't have to be perfectly organized to pull off a wave, according to scientists. Using a set of gyroscopes linked together, physicists explored the behavior of a material whose structure is arranged randomly, instead of an orderly lattice. They found they could set off one-way ripples around the edges, much like spectators in a sports arena -- a 'topological wave,' characteristic of a particularly unusual state of matter.

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2018-01-15 13:48:18



Flawed research methods exaggerate the prevalence of depression  

The common practice of using patient self-report screening questionnaires rather than diagnostic interviews conducted by researchers has resulted in overestimates of the prevalence of depression, according to a new analysis.

what do you think?

2018-01-15 13:47:04



Power stations in cells may protect brain against Parkinson´s  

A new study shows that impairment in mitochondria may actually protect the brain in Parkinson's disease.

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2018-01-15 13:23:05



Electronic modulation of carotid sinus nerve can be used as a treatment for type 2 diabetes in rats  

In a new study in rats, researchers have demonstrated that is possible to restore insulin sensitivity and glucose homeostasis by modulating electrically the carotid sinus nerve, the sensitive nerve that connects the carotid body with the brain.

what do you think?

2018-01-15 12:35:14



Remote-controlled cancer immunotherapy system  

A team of researchers has developed an ultrasound-based system that can non-invasively and remotely control genetic processes in live immune T cells so that they recognize and kill cancer cells.

what do you think?

2018-01-15 12:29:49



Commonalities in brains of people with Huntington's disease and Parkinson's disease  

A new study strongly suggests that the brains of people who have died of Huntington's disease (HD) and Parkinson's disease (PD) show a similar response to a lifetime of neurodegeneration, despite being two very distinct diseases.

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2018-01-15 11:59:33



Impact of relatedness on grandmothers' desire to care for their grandchildren  

Historically, grandmothers have been important to their grandchildren, and the help provided by grandmothers has increased grandchild survival during the times of high child mortality. However, there have been signs that in many populations, the impact of maternal grandmothers and paternal grandmothers on their grandchildren has been different. A recent study shows that X-chromosome relatedness between grandmothers and their grandchildren did not affect grandchild survival in the 18th and 19th c

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2018-01-15 11:11:23



Ultracold neutron source: Yield improved by factor of 3.5  

Researchers have improved the yield of its ultracold neutron source by a factor of 3.5 to 8.5 ultracold neutrons per cubic centimeter.

what do you think?

2018-01-15 09:54:22



Insulating bricks with microscopic bubbles  

The calculation is simple: the better a building is insulated, the less heat is lost in winter - and the less energy is needed to achieve a comfortable room temperature.

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2018-01-15 09:47:48



Biomaterials with 'logic gates' release therapeutics in response to environmental triggers  

Scientists have announced that they have built and tested a new biomaterial-based delivery system -- known as a hydrogel -- that will encase a desired cargo and dissolve to release its freight only when specific physiological conditions are met.

what do you think?

2018-01-15 09:23:44



School climate and diversity may affect students' delinquent behaviors  

In a new study, race, sex, perceived peer inclusion, and teacher discrimination were predictors of students' delinquent behaviors.

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2018-01-15 07:27:21



Stop the clots, spare the coagulation  

In the fight to cure thromboinflammatory diseases, one of the target molecules is thrombin, a protein that promotes inflammation and can cause blood clots. However, inhibiting thrombin too much can lead to uncontrolled bleeding, limiting the use of anti-inflammatory drugs. Now, researchers have found that a class of small molecule called 'parmodulins' can reduce inflammation without compromising normal blood clotting, making parmodulins attractive candidates for new, safer drugs.

what do you think?

2018-01-15 07:09:44



New application for acoustics helps estimate marine life populations  

Researchers have for the first time have used hydroacoustics as a method for comparing the abundance of fishes within and outside marine protected areas (MPAs).

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2018-01-15 07:06:35



History of humanity does not require rewriting: The case of Untermassfeld  

In a newly published study, researchers refute a recent publication regarding the dispersal of humans in Europe.

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2018-01-15 06:54:43



Unexpected environmental source of methane discovered  

Roughly 10 percent of nitrogen-fixing microorganisms contain the genetic code for manufacturing a back-up enzyme, called iron iron-only nitrogenase, to do their job. New research reveals that this enzyme allows these microorganisms to convert nitrogen gas to ammonia and carbon dioxide into methane at the same time. This enzymatic pathway is a previously unknown route for the natural biological production of methane.

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2018-01-15 06:26:23



Solar fuels: better efficiency using microwires  

Researchers have made significant efficiency improvements to the technology used to generate solar fuels. This involves the direct conversion of energy from sunlight into a usable fuel (in this case, hydrogen). Using only earth-abundant materials, they developed the most efficient conversion method to date. The trick was to decouple the site where sunlight is captured from the site where the conversion reaction takes place.

what do you think?

2018-01-15 06:07:46



The more competitive, the more passionate in romantic relationships, study finds  

Americans are more passionate toward their romantic partners than Japanese people are because Americans live in social environments in which people have greater freedom to choose and replace their partners, a team of Japanese researchers suggest.

what do you think?

2018-01-15 05:55:56



Flipping the switch: Dietary fat, changes in fat metabolism may promote prostate cancer metastasis  

Researchers have shed new light on the genetic mechanisms that promote metastasis in the mouse model and also implicated the typical Western high-fat diet as a key environmental factor driving metastasis.

what do you think?

2018-01-15 04:55:08



Sanchi oil spill contamination could take three months to reach mainland  

Water contaminated by the oil currently leaking into the ocean from the Sanchi tanker collision is likely to take at least three months to reach land, and if it does the Korean coast is the most likely location. However, the oil's fate is highly uncertain, as it may burn, evaporate, or mix into the surface ocean and contaminate the environment for an extended duration.

what do you think?

2018-01-15 04:07:29



Estrogen-mimicking compounds in foods may reduce effectiveness of breast cancer treatment  

A new study suggests breast cancer patients taking palbociclib/letrozole combination therapy should avoid foods rich in xenoestrogens.

what do you think?

2018-01-15 04:04:14



Novel real-time undersea wireless communications and surveillance technology  

Researchers will design, deploy and evaluate a first-of-its-kind software-defined testbed for real-time undersea wireless communications (data, voice, and video streaming) and surveillance.

what do you think?

2018-01-15 03:47:09



A matter of mobility: New strategy for drug discovery  

A joint industry/academia study of a cancer target protein reveals unusual relation between binding site flexibility and drug-target lifetime. The results suggest a new strategy for drug discovery.

what do you think?

2018-01-15 03:30:10



Aerial vehicle flying freely with independently controlled main wings  

Professor Dongsoo Har and his team in Cho Chun Shik Graduate School of Green Transportation in Korea Advanced Institute of Science and Technology (KAIST) lately developed an aerial vehicle that is able to control the main wings separately and independently.

what do you think?

2018-01-15 01:50:47



Possible cause of early colonial-era Mexican epidemic identified  

Researchers have used new methods in ancient DNA research to identify Salmonella enterica Paratyphi C, a pathogen that causes enteric fever, in the skeletons of victims of the 1545-1550 cocoliztli epidemic in Mexico, identifying a possible cause of this devastating colonial epidemic.

what do you think?

2018-01-15 01:12:57



Can early symptoms predict bipolar disorder? Evidence shows differing patterns of risk factors  

Two patterns of antecedent or 'prodromal' psychiatric symptoms may help to identify young persons at increased risk of developing bipolar disorder (BD), according to a new analysis.

what do you think?

2018-01-14 05:44:15



Stingray soft robot could lead to bio-inspired robotics  

Bioengineers have developed a tissue-based soft robot that mimics the biomechanics of a stingray. The new technology could lead to advances in bio-inspired robotics, regenerative medicine and medical diagnostics.

what do you think?

2018-01-14 04:27:26



Microbial signal recognition stems from existing building blocks  

Scientists have characterized a protein that enables certain microorganisms to recognize and absorb ammonium in their environment. Ammonium is considered a toxin that pollutes ecosystems - but for these bacteria it represents an important nutrient and energy source.

what do you think?

2018-01-14 03:48:12



Past exposures shape immune response in pediatric acute respiratory infections  

By analyzing immune cells of children who came to the emergency department with flu symptoms, researchers found that the suite of genes these early-response cells expressed was shaped by factors such as age and previous exposures to viruses. Better understanding how early infections influence long-term immune response has implications for the diagnosis and treatment of young patients who suffer from acute respiratory tract infections.

what do you think?

2018-01-12 21:37:09



Does an exploding brain network cause chronic pain?  

New research reports that hyperreactive brain networks could play a part in the hypersensitivity of fibromyalgia.

what do you think?

2018-01-12 20:16:27



Species identification in the water bottle  

Environmental DNA analysis makes it possible to detect water organisms without having to capture them first. For the first time, researchers systematically investigated the effect of various environmental factors on environmental DNA analyses. By doing so, the researchers have made an important step towards the standardized application of this method for the monitoring of water bodies.

what do you think?

2018-01-12 19:09:06



Nanostructure boosts stability of organic thin-film transistors  

A nanostructured gate dielectric may have addressed the most significant obstacle to expanding the use of organic semiconductors for thin-film transistors. The structure, composed of a fluoropolymer layer followed by a nanolaminate made from two metal oxide materials, serves as gate dielectric and protects the organic semiconductor - which had previously been vulnerable to damage from the ambient environment.

what do you think?

2018-01-12 18:57:20



New antifungal provides hope in fight against superbugs  

Microscopic yeast have been wreaking havoc in hospitals around the world -- creeping into catheters, ventilator tubes, and IV lines -- and causing deadly invasive infection. One culprit species, Candida auris, is resistant to many antifungals, meaning once a person is infected, there are limited treatment options. But researchers have now confirmed a new drug compound kills drug-resistant C. auris, both in the laboratory and in a mouse model that mimics human infection.

what do you think?

2018-01-12 18:48:30



New warning system discovered in the immune defense  

Researchers have discovered a previously unknown warning system that contributes to the body's immune system. Mitochondria in the white blood cells secrete a web of DNA fibers that raises the alarm. The results may lead to increased knowledge about autoinflammatory diseases and cancer.

what do you think?

2018-01-12 17:09:22



Emotionally demanding workload and confrontational patients key stressors for GPs  

The emotional impact of their daily workload and confrontational patients are among the key stressors for family doctors in England, reveals an analysis of feedback from general practitioners.

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2018-01-12 17:06:06



Surprising discovery could lead to better batteries  

Scientists have observed the concentration of lithium inside individual nanoparticles reverse at a certain point, instead of constantly increasing. This discovery is a major step toward improving the battery life of consumer electronics.

what do you think?

2018-01-12 16:44:26



Scleroderma study: Hope for a longer life for patients with rare autoimmune disorder  

The approach could represent the first new treatment to improve survival in patients with severe scleroderma in more than four decades.

what do you think?

2018-01-12 16:39:56



New model for uncovering true HIV mortality rates in Zambia  

A new study that seeks to better ascertain HIV mortality rates in Zambia could provide a model for improved national and regional surveillance approaches, and ultimately, more effective HIV treatment strategies.

what do you think?

2018-01-12 15:42:23



Glucose-induced nerve damage: Research identifies underlying mechanisms  

New research has demonstrated that an enzyme she had previously identified as playing a role in peripheral neuropathy induced by cancer chemotherapy also plays a role in peripheral neuropathy caused by diabetes. The significance of the identification of a common molecular mechanism is that the drug candidates she identified to treat chemotherapy-induced peripheral neuropathy could potentially be used to treat peripheral neuropathy caused by diabetes as well.

what do you think?

2018-01-12 13:43:45



A major step forward in organic electronics  

Researchers have developed the world's first complementary electrochemical logic circuits that can function stably for long periods in water. This is a highly significant breakthrough in the development of bioelectronics.

what do you think?

2018-01-12 13:22:02



Human protein may aid neuron invasion by virus that causes hand, foot, and mouth disease  

A human protein known as prohibitin may play a significant role in infection of the nervous system by EV71, one of several viruses that can cause hand, foot, and mouth disease.

what do you think?

2018-01-12 13:15:29



Surprise: A virus-like protein is important for cognition and memory  

A protein pivotal to how the brain acquires knowledge originated from a chance evolutionary event that occurred hundreds of millions of years ago. The protein, called Arc, is involved in storing long-term memories and learning. But new research shows that Arc looks and acts like a protein from viruses.

what do you think?

2018-01-12 13:08:51



Can writing your 'to-do's' help you to doze? Study suggests jotting down tasks can  

Writing a 'to-do' list at bedtime may aid in falling asleep, according to a new study. Research compared sleep patterns of participants who took five minutes to write down upcoming duties versus participants who chronicled completed activities.

what do you think?

2018-01-12 12:40:38



Genetic analysis can improve depression therapy  

The failure of SSRI antidepressants can be a result of genetic variations in patients. Variations within the gene that encodes the CYP2C19 enzyme results in extreme differences in the levels of escitalopram achieved in patients, according to a new study. Prescribing the dose of escitalopram based on a patient's specific genetic constitution would greatly improve therapeutic outcomes.

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2018-01-12 12:24:19



Risk of non-infectious elephantiasis mapped in Cameroon  

Both the etiology and demographics of podoconiosis, a non-infectious disease which causes massive swelling of the legs, are poorly understood. To help contribute to the global atlas of podoconiosis knowledge, researchers have now described the distribution of podoconiosis in Cameroon.

what do you think?

2018-01-12 11:54:08



Scientists make cells that enable the sense of touch  

Researchers have, for the first time, coaxed human stem cells to become sensory interneurons -- the cells that give us our sense of touch. The new protocol could be a step toward stem cell-based therapies to restore sensation in paralyzed people who have lost feeling in parts of their body.

what do you think?

2018-01-12 11:18:10



Anxiety: An early indicator of Alzheimer's disease?  

A new study suggests an association between elevated amyloid beta levels and the worsening of anxiety symptoms. The findings support the hypothesis that neuropsychiatric symptoms could represent the early manifestation of Alzheimer's disease in older adults.

what do you think?

2018-01-12 11:17:56



Archeology of our Milky Way's ancient hub  

A new analysis of about 10,000 normal Sun-like stars in the Milky Way's bulge reveals that our galaxy's hub is a dynamic environment of variously aged stars zipping around at different speeds.

what do you think?

2018-01-12 11:01:42



Can Muesli help against arthritis?  

It is well known that healthy eating increases our general sense of wellbeing. Researchers have now discovered that a fiber-rich diet can have a positive influence on chronic inflammatory joint diseases, leading to stronger bones.

what do you think?

2018-01-12 10:49:48



Nanotube fibers in a jiffy  

Scientists are making short carbon nanotube fibers by hand as a way to quickly test materials before spinning industrial quantities of fiber for aerospace, automotive, medical and smart-clothing applications.

what do you think?

2018-01-12 10:25:54



New method to map miniature brain circuits  

In a feat of nanoengineering, scientists have developed a new technique to map electrical circuits in the brain far more comprehensively than ever before. Scientists worldwide could use the technique to uncover the architecture of different parts of the brain.

what do you think?

2018-01-12 10:02:42



Print a 200-million-year-old dinosaur 'fossil' in your own home  

The digital reconstruction of the skull of a 200-million-year-old South African dinosaur, Massospondylus, has made it possible for researchers to make 3-D prints and in this way facilitate research on other dinosaurs all over the world.

what do you think?

2018-01-12 09:55:27



Asthma costs the US economy more than $80 billion per year  

Asthma costs the US economy more than $80 billion annually in medical expenses, missed work and school days and deaths, according to new research.

what do you think?

2018-01-12 09:50:21



Different strains of same bacteria trigger widely varying immune responses  

Genetic differences between different strains of the same pathogenic bacterial species appear to result in widely varying immune system responses, according to new research.

what do you think?

2018-01-12 09:46:54



Black hole spin cranks-up radio volume  

Statistical analysis of supermassive black holes suggests that the spin of the black hole may play a role in the generation of powerful high-speed jets blasting radio waves. By analyzing nearly 8000 quasars from the Sloan Digital Sky Survey, research team found that the oxygen emissions are 1.5 times stronger in radio loud quasars than in radio quiet quasars. This implies that spin is an important factor in the generation of jets.

what do you think?

2018-01-12 09:34:33



Re-programming innate immune cells to fight tuberculosis  

Tuberculosis (TB), an infectious disease which attacks the lungs, claims someone's life every 20 seconds and 1.5 million lives worldwide every year. A cure has eluded scientists for more than a century but, now, researchers may have discovered a new weapon to combat this global killer. The team is re-programing - or 'training' - immune cells to kill TB.

what do you think?

2018-01-12 09:05:23



Localized cooling of the heart limits damage caused by a heart attack  

Researchers have succeeded in the localized cooling of the heart during a heart attack, a world first. By cooling part of the heart prior to and following angioplasty, the cardiologists believe that the damage from a heart attack can be limited.

what do you think?

2018-01-12 08:50:04



Thinking outside the box on climate mitigation  

A new article lays the groundwork for alternative climate mitigation scenarios that place less reliance on unproven negative emissions technologies in the future.

what do you think?

2018-01-12 08:49:05



The combination of two proteins exerts a regenerating effect in Parkinson's disease  

Current therapies for Parkinson's disease are mainly of a replacement type and pose problems in the long term, so the challenge is to establish an early diagnosis and develop neuroprotective and neurorestorative therapies that will allow the symptoms of the disease to be slowed down or even reversed. Researcher have now documented the regenerative, neuroprotective effect of two neurotrophic factors when they are applied in a combined way.

what do you think?

2018-01-12 08:43:30



Expert unlocks mechanics of how snakes move in a straight line  

Biologists are studying the mechanics of snake movement to understand exactly how they can propel themselves forward like a train through a tunnel.

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2018-01-12 08:21:37



Newborn immune activation may have long-term negative impact on brain function  

Neuroscientists have found that even a brief episode of immune system activation within days of birth can cause persistent changes in sleep patterns concurrent with increases in epilepsy-like brain activity -- a combination of symptoms common in autism spectrum disorder (ASD) and other developmental conditions.

what do you think?

2018-01-12 07:56:51



Stem cell-rich cord blood donations could increase by 'nudging' parents, study suggests  

A two-year study of expectant mothers in Milan, Italy, has found that cord blood donations increased significantly when parents received information about the procedure and 'prompts' to indicate their interest in donating at both early and late stages of their pregnancies.

what do you think?

2018-01-12 07:25:39



Developing a secure, un-hackable quantum network  

A method of securely communicating between multiple quantum devices has been developed by a team of scientists, bringing forward the reality of a large-scale, un-hackable quantum network.

what do you think?

2018-01-12 06:19:24



White graphene makes ceramics multifunctional  

Bilayer white graphene combined with a ceramic creates a multifunctional material with high strength and toughness, according to new research. The material may be suitable for construction and refractory materials and applications in the nuclear industry, oil and gas, aerospace and other areas that require high-performance composites.

what do you think?

2018-01-12 06:14:48



Northern corn leaf blight genes identified in new study  

Midwestern corn growers know the symptoms of northern corn leaf blight all too well: greenish-gray lesions on the leaves that can add up to major yield losses if not detected and treated early. Corn resistance genes have been identified, but the fungal disease has found ways to sneak around corn's defenses. Now, researchers have discovered how the fungus is outsmarting corn, and they may be able to use this information to help corn fight back.

what do you think?

2018-01-12 05:43:51



Do less harm: E-cigarettes a safer option than smoking, experts say  

A new article focuses on harm minimization and smoking cessation, with alternative nicotine products like e-cigarettes emerging as a promising avenue for people who want to quit smoking.

what do you think?

2018-01-12 05:04:12



Spider eat spider: Scientists discover 18 new spider-hunting pelican spiders in Madagascar  

Scientists examined and analyzed hundreds of pelican spiders both in the field in Madagascar and through study of pelican spiders preserved in museum collections. Their analysis sorted the spiders studied into 26 different species -- 18 of which have never before been described. The new species add to scientists' understanding of Madagascar's renowned biodiversity, and will help scientists investigate how pelican spiders' unusual traits have evolved and diversified over time.

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2018-01-12 05:01:22



Cycling does not damage men's sexual or urinary functions  

Cycling is increasingly popular for transportation, exercise, and leisure, and its impact on sexual health has received a great deal of media attention, especially regarding erectile function. Researchers have now found that contrary to some previous studies, neither recreational nor intense cycling appear to have a negative impact on men's sexual and urinary function.

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2018-01-12 04:46:56



X-ray navigation could open up new frontiers for robotic spacecraft  

In a technology first, a team of engineers has demonstrated fully autonomous X-ray navigation in space -- a capability that could revolutionize NASA's ability in the future to pilot robotic spacecraft to the far reaches of the solar system and beyond.

what do you think?

2018-01-12 04:38:42



Protecting corridors is critical to preserving genetic diversity in tigers, and mizimising extinction, study finds  

Tigers have lost 95% of their historical range, and what remains is highly fragmented. According to a new study, high traffic roads and densely populated urban areas are a severe impediment to tiger movement between fragments. Unplanned development in the future will result in loss of connectivity and an increased possibility of extinction for several tiger populations. To ensure future persistence, tiger populations need to be managed as a network of protected areas connected by corridors.

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2018-01-12 04:18:10



Urban insects are more resilient in extreme weather  

A new study will help researchers understand how to make predictions and conservation decisions about how organisms living in cities will respond to catastrophic weather events.

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2018-01-12 04:04:25



Scarring molecule in fat tissue links obesity with distressed fat  

The fat of obese people becomes distressed, scarred and inflamed, which can make weight loss more difficult.

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2018-01-12 03:59:40



Tagged tiger shark proving unstoppable  

For more than a decade, researchers have been tagging and tracking sharks in order to study their migratory patterns and more. One tiger shark - Andy - is now the longest-ever tracked tiger shark, providing years worth of data for researchers.

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2018-01-12 03:45:16



Magnified and stretched out image of extremely distant galaxy  

An intensive survey deep into the universe by NASA's Hubble and Spitzer space telescopes has yielded the proverbial needle-in-a-haystack: the farthest galaxy yet seen in an image that has been stretched and amplified by a phenomenon called gravitational lensing.

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2018-01-12 03:29:43



Experts raise concerns over raw meat diets for cats and dogs  

Experts are warning dog and cat owners to be aware of the risks associated with feeding their pets raw meat-based diets, instead of the more conventional dry or canned pet foods.

what do you think?

2018-01-12 03:04:41



Babies stir up clouds of bio-gunk when they crawl  

When babies crawl, their movement across floors, especially carpeted surfaces, kicks up high levels of dirt, skin cells, bacteria, pollen, and fungal spores, a new study has found. The infants inhale a dose of bio bits in their lungs that is four times (per kilogram of body mass) what an adult would breathe walking across the same floor.

what do you think?

2018-01-12 03:03:56



Jet stream changes since 1960s linked to more extreme weather  

Increased fluctuations in the path of the North Atlantic jet stream since the 1960s coincide with more extreme weather events in Europe such as heat waves, wildfires and flooding. The new research is the first reconstruction of historical changes in the North Atlantic jet stream prior to the 20th century. By using tree rings, the researchers developed a historical look at the position of the North Atlantic jet back to 1725.

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2018-01-12 03:03:35



Scientists identify immune cells that keep gut fungi under control  

Immune cells that process food and bacterial antigens in the intestines control the intestinal population of fungi, according to a new study. Defects in the fungus-fighting abilities of these cells may contribute to some cases of Crohn's disease and other forms of inflammatory bowel disease (IBD).

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2018-01-12 02:46:01



Why the Republican Party may have an advantage when it rains: Voters change their minds  

Bad weather affects US voter turnout and election outcomes with past research demonstrating that the Republican Party has the advantage. A new study finds that the Republican Party's advantage when it rains may be due in part to voters changing their partisan preference that day.

what do you think?

2018-01-12 02:36:50



Closed marriage: An orchid that never blooms  

A flower identified as Lecanorchis nigricans has been revealed to be a different identity, Lecanorchis nigricans var. patipetala. Both species are self-pollinating, but the flowers of the true L. nigricans never open.

what do you think?

2018-01-12 02:25:55



Quantum leap: Computational approach launches new paradigm in electronic structure theory  

A group of researchers specializing in quantum calculations has proposed a radically new computational approach to solving the complex many-particle Schrödinger equation, which holds the key to explaining the motion of electrons in atoms and molecules.

what do you think?

2018-01-12 02:24:49



Dengue takes low and slow approach to replication  

Dengue virus slowly takes over the endoplasmic reticulum, the production site for a subset of host proteins, and steers clear of the cytosol, the fluid-filled space where the majority of host cellular proteins are synthesized. Its viral RNA template is translated into protein in such an inefficient, lackadaisical manner that it doesn't trip alarms.

what do you think?

2018-01-12 02:07:39



Students more engaged and attentive following outdoor lesson in nature  

A study has found that children are significantly more attentive and engaged with their schoolwork following an outdoor lesson in nature. Teachers could teach uninterrupted for almost twice as long during a subsequent indoor lesson. Outdoor lessons may be an inexpensive and convenient way to improve student engagement.

what do you think?

2018-01-12 01:55:35



All in the family: Focused genomic comparisons  

Aspergillus fungi are pathogens, decomposers, and important sources of biotechnologically-important enzymes. Scientists now report the first outcome from the large-scale sequencing of 300+ Aspergillus species. These findings are a proof of concept of novel methods to functionally annotate genomes to more quickly identify genes of interest.

what do you think?

2018-01-12 01:54:15



California's water saving brings bonus effects  

Water-saving measures in California have also led to substantial reductions in greenhouse gas (GHG) emissions and electricity consumption in the state.

what do you think?

2018-01-12 01:51:18



New technology will create brain wiring diagrams  

Scientists have developed new technology that allows them to see which neurons are talking to which other neurons in live fruit flies.

what do you think?

2018-01-12 01:50:10



Supermassive black hole caught burping — twice  

Astronomers have caught a supermassive black hole in a distant galaxy snacking on gas and then "burping" — not once, but twice.

what do you think?

2018-01-12 01:31:25






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