Latest Science News -- ScienceDaily

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06/26/2018 10:52 PM
Newly discovered armored dinosaur from Utah reveals intriguing family history
Fossils of a new genus and species of an ankylosaurid dinosaur -- Akainacephalus johnsoni -- have been unearthed in Grand Staircase-Escalante National Monument in southern Utah, USA, and are revealing new details about the diversity and evolution of this group of armored dinosaurs. The research indicates that the defining features of Akainacephalus -- the spiky bony armor covering the skull and snout -- align more closely with Asian ankylosaurids than other North American Late Cretaceous ankylosaurid dinosaurs.

06/26/2018 10:11 PM
Mobile phone radiation may affect memory performance in adolescents, study finds
Radiofrequency electromagnetic fields may have adverse effects on the development of memory performance of specific brain regions exposed during mobile phone use, suggests a recent study involving nearly 700 adolescents in Switzerland.

06/26/2018 10:11 PM
Vast majority of Americans support Endangered Species Act despite increasing efforts to curtail it
Roughly four out of five Americans support the Endangered Species Act, and only one in 10 oppose it, found a survey of 1,287 Americans. Support has remained stable for the past two decades.

06/26/2018 10:10 PM
Targeting headaches and tumors with nano-submarines
Scientists have developed a new method to enable miniature drug-filled nanocarriers to dock on to immune cells, which in turn attack tumors.

06/26/2018 10:10 PM
App, brief intervention may be lifesaver for suicidal teens
A preliminary study shows an intervention program that includes a personalized app could make a difference: Researchers found the rate of attempted suicides by teenagers who received the intervention was halved compared to those who received the standard care during their hospitalization.

06/26/2018 10:10 PM
Deepwater Horizon oil spill: Oil biodegradation inhibited in deep-sea sediments
Degradation rates of oil were slower in the dark and cold waters of the depths of the Gulf of Mexico than at surface conditions, according to an international team of geoscientists trying to understand where the oil went during the Deepwater Horizon oil spill.

06/26/2018 09:15 PM
Scientists use satellites to measure vital underground water resources
With the hope of providing water resource managers with better tools to help keep aquifers healthy, a team of scientists are using the latest space technology to look underneath Earth's surface to measure this precious natural resource.

06/26/2018 09:15 PM
Having the right name helps one to find housing
Discrimination against ethnic minorities on the housing market is declining -- in Germany and other Western European countries and in the USA. But a new meta-study shows that applicants' surnames still influence the selection of new tenants.

06/26/2018 09:15 PM
Wait, just a second, is your doctor listening?
On average, patients get about 11 seconds to explain the reasons for their visit before they are interrupted by their doctors. Also, only one in three doctors provides their patients with adequate opportunity to describe their situation. The pressure to rush consultations affects specialists more than primary care doctors.

06/26/2018 09:15 PM
Determining the bioaccumulation of 9 metals in aquatic invertebrates in mining areas
A new study has proposed an ecological threshold concentration of 9 metals for 10 taxa of aquatic macroinvertebrates from clean sites in the Nalón river basin (Asturias). This is the first step towards incorporating into river management plans quality criteria relating to the bioaccumulation of hazardous substances, as required by the EU.

06/26/2018 09:15 PM
Sudden cold weather may increase stroke mortality
Study conducted in Southern Hemisphere's subtropical zone detects correlation between drop in temperature and rise in deaths from stroke, especially among women and older people.

06/26/2018 09:13 PM
Anesthesia, surgery linked to decline in memory and thinking
In adults over 70, exposure to general anesthesia and surgery is associated with a subtle decline in memory and thinking skills, according to new research. The study analyzed nearly 2,000 people and found that exposure to anesthesia after age 70 was linked to long-term changes in brain function.

06/26/2018 08:41 PM
Moving closer to completely optical artificial neural network
Researchers have shown that it is possible to train artificial neural networks directly on an optical chip.

06/26/2018 08:41 PM
Methods to quantify the yips and golfer's cramp
Almost every golfer knows the feeling. Minutes after a picture-perfect drive down the fairway, a cascade of inexplicable missed putts leads to a disappointing triple bogey.

06/26/2018 08:41 PM
Future electronic components to be printed like newspapers
A new manufacturing technique uses a process similar to newspaper printing to form smoother and more flexible metals for making ultrafast electronic devices.

06/26/2018 08:41 PM
Computer model predicts how fracturing metallic glass releases energy at the atomic level
Metallic glasses are an exciting research target, but the difficulties associated with predicting how much energy these materials release when they fracture is slowing down development of metallic glass-based products. Recently, researchers developed a way of simulating to the atomic level how metallic glasses behave as they fracture. This modeling technique could improve computer-aided materials design and help researchers determine the properties of metallic glasses.

06/26/2018 08:41 PM
ADHD drugs do not improve cognition in healthy college students
Contrary to popular belief across college campuses, attention deficit hyperactivity disorder (ADHD) medications may fail to improve cognition in healthy students and actually can impair functioning.

06/26/2018 08:05 PM
A social tool for evaluating the environmental impact of residential buildings
for the first time, an open-source computing tool can, simply and intuitively, calculate the CO2 emissions in each phase of a building project, in order to obtain a global picture of its carbon footprint from its conception and to help decide every variable in the construction process.

06/26/2018 08:05 PM
Deadly Rift Valley fever: New insight, and hope for the future
Health control measures alone could be ineffective in the long term fight against the deadly Rift Valley fever which affects both humans and animals, a new study reports.

06/26/2018 08:05 PM
Monkeys benefit from the nut-cracking abilities of chimpanzees and hogs
Researchers describe for the first time the scavenging behavior of mangabey monkeys, guinea fowls, and squirrels on energy-rich nut remnants cracked by chimpanzees and red river hogs. The team used data collected by camera traps in the rain forest of Tai National Park in Ivory Coast. The results reveal new unknown interactions between different species and increase our understanding of the complex community of animals foraging around tropical nut trees.

06/26/2018 08:05 PM
High fruit and vegetable consumption may reduce risk of breast cancer
Women who eat a high amount of fruits and vegetables each day may have a lower risk of breast cancer, especially of aggressive tumors, than those who eat fewer fruits and vegetables, according to a new study.

06/26/2018 07:37 PM
Sunscreen reduces melanoma risk by 40 per cent in young people
A world-first study has found that Australians aged 18-40 years who were regular users of sunscreen in childhood reduced their risk of developing melanoma by 40 percent, compared to those who rarely used sunscreen.

06/26/2018 07:37 PM
Engineers develop world's most efficient semiconductor for thermal management
Working to address 'hotspots' in computer chips that degrade their performance, engineers have developed a new semiconductor material, defect-free boron arsenide, that is more effective at drawing and dissipating waste heat than any other known semiconductor or metal materials.

06/26/2018 07:37 PM
Puzzling results explained: A multiband approach to Coulomb drag and indirect excitons
A new theoretical study explains previous mystifying experimental results, in which coupled charged particles moved in exactly the opposite direction to that predicted. This apparently contradictory phenomenon is associated with the bandgap in dual-layer graphene structures, a bandgap which is very much smaller than in conventional semiconductors.

06/26/2018 07:37 PM
CALET succeeds in direct measurements of cosmic-ray electron spectrum up to 4.8 TeV
Researchers have succeeded in the direct, high-precision measurements of cosmic-ray electron spectrum up to 4.8 TeV, based on observations with the Calorimetric Electron Telescope (CALET). Observations by CALET are expected to reveal the mysteries of cosmic-rays and nature of dark matter in the future.

06/26/2018 07:37 PM
Overuse of antibiotics not what the doctor ordered
With increased use of antibiotics worldwide linked to growing antibiotic resistance, a new study has highlighted the growing impact of non-prescription supply of antibiotics in community pharmacies, and the urgent need for better enforcement of laws. South America has the highest incidence of non-prescription supply of antibiotics in community pharmacies.

06/26/2018 07:37 PM
Scientists develop proteins that self-assemble into supramolecular complexes
Scientists have designed new proteins that can self-assemble into the complex structures underlying biological organisms, laying the groundwork for leading-edge applications in biotechnology. The researchers created and developed the proteins with a specific function and their method reveals a possibility that certain protein functions can be created on demand. It is expected to contribute to the development of nanobiomaterials, which could be used as a drug delivery system or an artificial vaccine.

06/26/2018 07:37 PM
Reversing cause and effect is no trouble for quantum computers
Scientists show that a quantum computer is less in thrall to the arrow of time than a classical computer.

06/26/2018 07:37 PM
Robots working as a group are able to determine the optimal order of their tasks
Could robots soon help rescue crews save the survivors of a natural disaster? Such a mission would require that the robots be able to determine, on their own, which tasks to perform and in what order to perform them. Researchers have shown, for the first time, that this ability can emerge from a group of robots.

06/26/2018 07:36 PM
Infrared sensor as new method for drug discovery
Using an infrared sensor, biophysicists have succeeded in analyzing quickly and easily which active agents affect the structure of proteins and how long that effect lasts. Researchers have performed time-resolved measurements of the changes to the structure of protein scaffolds, which were triggered by the active agents. Their methods might help develop drugs with little side effects in a quick and targeted manner.

06/26/2018 07:36 PM
The effectiveness of chlorhexidine is limited in preventing infections in oral procedures
A large number of bacteria are present in human mouths and may pass into the blood when procedures such as the removal of a tooth are carried out. Chlorhexidine mouthwashes have a powerful antimicrobial effect, but there are opposing positions on its use in these cases.

06/26/2018 07:36 PM
Low-cost formulas in the manufacturing of non-stick food molds
There is good news for amateur bakers of cakes, muffins and pastries made in extravagant shapes and small and medium-sized baking businesses. Molds will cease to be a problem if the system designed by a research group progresses. This system manufactures non-stick food molds at a low cost. A research group designs a new way to manufacture molds allowing small and medium-sized businesses to improve their creativity.

06/26/2018 07:36 PM
Aggressive immune cells aggravate Parkinson's disease
Parkinson's disease, formerly also referred to as shaking palsy, is one of the most frequent disorders affecting movement and the nervous system. Medical researchers have come across a possible cause of the disease - in the patients' immune system.

06/26/2018 06:47 PM
Death rates from heart failure higher for women than men
Death rates from heart failure are higher for women than men, and hospitalization rates have increased in women while declining in men, found a new study.

06/26/2018 06:47 PM
Expected sea-level rise following Antarctic ice shelves' collapse
Scientists have shown how much sea level would rise if Larsen C and George VI, Antarctic ice shelves at risk of collapse, were to break up. While Larsen C has received much attention due to the break-away of a trillion-ton iceberg from it last summer, its collapse would contribute only a few millimeters to sea-level rise. The break-up of the smaller George VI Ice Shelf would have a much larger impact.

06/26/2018 06:47 PM
'Good cholesterol' may not always be good
Postmenopausal factors may have an impact on the heart-protective qualities of high-density lipoproteins (HDL) -- also known as 'good cholesterol.' The findings bring into question the current use of total HDL cholesterol to predict heart disease risk.

06/26/2018 06:47 PM
Food for thought: How the brain reacts to food may be linked to overeating
The reason why some people find it so hard to resist finishing an entire bag of chips or bowl of candy may lie with how their brain responds to food rewards, according to researchers who found that when certain regions of the brain reacted more strongly to being rewarded with food than being rewarded with money, those people were more likely to overeat.

06/26/2018 06:47 PM
Scientists uncover the role of a protein in production and survival of myelin-forming cells
A new article explains how researchers have uncovered the role of a protein known as 'PRMT5' in the production of myelin and, ultimately, proper development and function of the Central Nervous System.

06/26/2018 06:47 PM
Colombia peace deal brings new threat to country's rainforest
The historic peace treaty in Colombia which brought an end to half a century of violence has led to mass deforestation. Once FARC soldiers were disarmed, it led to a vacuum of power which is being exploited by large landowners who are now deforesting the area at an alarming rate to make way for farms and for the illegal growth of coca crops. An ecologically significant region of Colombia, is now at risk of disappearing.

06/26/2018 06:47 PM
Younger children tend to make more informed decisions
A new study has found that in some ways, the older you get the worse your decision making becomes.

06/26/2018 06:46 PM
CT scans may increase risk of brain cancer
A new study suggests that CT scans, commonly used in medical imaging, may increase the risk of brain tumors.

06/26/2018 08:24 AM
Depression-induced inflammation during pregnancy may impact newborns
The physiological impacts of depression on pregnant mothers may affect babies while in the womb and lead to changes in the behavior and biology of newborns, finds new research.

06/26/2018 08:24 AM
Money talks when trying to influence climate change legislation
Climate lobbying is big business. A new analysis shows that between 2000 and 2016, lobbyists spent more than two billion dollars on influencing relevant legislation in the US Congress. Unsurprisingly, sectors that could be negatively affected by bills limiting carbon emissions, such as the electrical utilities sector, fossil fuel companies and transportation corporations had the deepest pockets.

06/26/2018 08:23 AM
Use of nicotine during pregnancy may increase risk of sudden infant death syndrome
Nicotine exposure during pregnancy, whether from smoking cigarettes, or nicotine patches and e-cigarettes, increases risk of sudden infant death syndrome -- sometimes known as 'cot death' -- according to new research.

06/26/2018 04:29 AM
Alcohol-related cirrhosis deaths skyrocket in young adults
Liver disease deaths jumped by 65 percent in the United States, from 1999-2016, disproportionately affecting adults ages 25-34. The increase in deaths among young adults was driven entirely by alcohol-related liver disease, according to a new study.

06/26/2018 04:29 AM
Switching to certain antidiabetic drugs linked to increased risk of major complications
For people with type 2 diabetes, switching to sulfonylurea drugs to control blood sugar levels is associated with an increased risk of complications compared with staying on the drug metformin, a new study finds.

06/26/2018 02:56 AM
DNA methylation related to liver disease among obese patients, study shows
Researchers have identified how DNA methylation is associated with a condition known as non-alcoholic fatty liver disease (NAFLD), which can lead to liver cirrhosis and death, and is one of the leading indicators for liver transplants.

06/26/2018 02:56 AM
NASA's new mini satellite will study Milky Way's halo
A new mission called HaloSat will help scientists search for the universe's missing matter by studying X-rays from hot gas surrounding the Milky Way galaxy.

06/26/2018 02:56 AM
In the ocean's twilight zone, tiny organisms may have giant effect on Earth's carbon cycle
In a new study that challenges scientists' presuppositions about the carbon cycle, researchers find that tiny organisms may be playing in outside role in the way carbon is circulated throughout the ocean.

06/26/2018 02:56 AM
Cities as study proxies for climate change
Cities can serve as useful proxies to study and predict the effects of climate change, according to a research review that tracks urbanization's effects on plant and insect species.

06/26/2018 02:55 AM
Therapy dogs effective in reducing symptoms of ADHD, study finds
Researchers have found therapy dogs to be effective in reducing the symptoms of attention deficit/hyperactivity disorder (ADHD) in children.

06/26/2018 01:15 AM
Does biodiversity loss leads to an increased disease risk?
Biodiversity is disappearing at an alarming rate as infectious diseases increasingly spill over from wildlife to humans. Disease ecologists fervently debate whether biodiversity loss leads to an increased disease risk. Now, a new study offers some answers.

06/26/2018 01:15 AM
Hurricanes and other extreme events
The availability of water from underground aquifers is vital to the basic needs of more than 1.5 billion people worldwide. In recent decades, however, the over-pumping of groundwater, combined with drought, has caused some aquifers to permanently lose their essential storage capacity.

06/26/2018 01:15 AM
RNA molecules that regulate action of male hormone in prostate cancer identified
A study detected in tumoral tissue hundreds of RNAs that do not encode proteins but appear to regulate effects of androgens and androgen receptors on gene expression in tumors. By investigating the connection between the presence of these molecules and tumor aggressiveness, the research paves the way for new scientific approaches focusing on the transcription process of noncoding RNA.

06/26/2018 01:15 AM
More category 5 hurricanes forecasted by scientists
Researchers have learned from studying 2012's Hurricane Sandy, that we are more likely to see larger, more powerful hurricanes in the future.

06/26/2018 12:24 AM
Ozone pollution in US national parks close to that of largest US cities
The research matched pollution data to monthly park visitation statistics at 33 heavily visited national parks and found that visitation responds most to ozone during months with poor air quality.

06/26/2018 12:24 AM
Great Barrier Reef not bouncing back as before, but there is hope
The Great Barrier Reef is losing its ability to recover from disturbances, but effective local management could revive its capacity to bounce back.

06/26/2018 12:24 AM
Living plant varieties reveal ancient migration routes across Eurasia
New study identifies human choice and environmental adaptation as crucial factors for the spread of food staple in prehistory.

06/26/2018 12:24 AM
Secular countries can expect future economic growth, confirms new study
New research measuring the importance of religion in 109 countries spanning the entire 20th century has reignited an age-old debate around the link between secularization and economic growth. The study has shown that a decline in religion influences a country's future economic prosperity.

06/26/2018 12:24 AM
For one tropical tree, effective seed dispersal relies especially on elephants
Deer, bears, gibbons, but especially elephants, play an important role in seed dispersal for a large-fruited tree in the forests of Thailand, according to a new study. The data illustrate the complexity of forest ecology and hint that, at least for this one species, changes have occurred that have diminished its overall reproductive success.