Those who consume alcohol and drive are often subjected to roadside stops, breathalyzer tests and stiff penalties if their blood alcohol content exceeds certain limits. Currently, no such test exists for cannabis intoxication, although the substance can impair driving. Now, scientists report a convenient saliva test for cannabis levels that might someday be used at roadside stops.
In Japan, an increase in the aging population has exacerbated the demand for regenerative medicine to address increasingly common diseases, such as knee osteoarthritis. In a new study, scientists have developed a novel biocompatible hydrogel that acts as a structural scaffold for the growth of cartilage-producing cells, showcasing a promising new tool for tissue regeneration.
Scientists have created a fully automated method for acute ischemic lesion segmentation on brain MRIs and shows how artificial intelligence can reduce the work load of radiologists.
Two studies of the coronavirus COVID-19 outbreak recently published. One recent study use SIRD model to forecast COVID-19 spread and other examined patient CT scans to correlate clinical features with mortality.
A new study finds that autumn days with extreme fire weather have more than doubled in California since the early 1980s due to climate change. The results could contribute to more effective risk mitigation, land management and resource allocation.
Learning from nature, scientists have found a catalyst that efficiently transforms nitrate into nitrite — an environmentally important reaction — without requiring high temperature or acidity, and now have identified the mechanism that makes this efficiency possible.
Researchers have developed a deep learning-based artificial intelligence (AI) algorithm that can accurately classify cutaneous skin disorders, predict malignancy, suggest primary treatment options, and serve as an ancillary tool to enhance the diagnostic accuracy of clinicians. With the assistance of this system, the diagnostic accuracy of dermatologists as well as the general public was significantly improved.
Researchers used iPS cells to reconstructed the human ‘segmentation clock,’ a key point in early embryonic development that determines how the body gets segmented. The ‘segmentation clock’ is a genetic oscillator that controls and guides the emergence of ‘somites,’ distinct collections of cells that contribute to the formation of the vertebrae and ribs. Segmentation clock genes a have been studied extensively in many animals, except humans.
Individuals taking a class of steroid hormones called glucocorticoids for conditions such as asthma, allergies and arthritis on a routine basis may be unable to mount a normal stress response and are at high risk if they are infected with the virus causing COVID-19, according to a new article.
A discovery by a team of nuclear physicists could change how atoms are understood by scientists and help explain extreme phenomena in outer space.
Reasonably good evidence suggests that most diets result in similar modest weight loss and improvements in cardiovascular risk factors over a period of six months, compared with a usual diet.
Scientists traced how the two major human migrations recorded in Holocene Europe — the northwestward movement of Anatolian farmer populations during the Neolithic and the westward movement of Yamnaya steppe peoples during the Bronze Age — unfolded.
Manzamine A, a natural product derived from certain groups of sponges, can block the growth of cervical cancer cells, report researchers. Manzamine A targets a protein that is highly expressed in many cancers, including cervical cancer, and is the first reported inhibitor of this protein.
US policymakers considering physical distancing measures to slow the spread of COVID-19 face a difficult trade-off between closing schools to reduce transmission and new cases, and potential health-care worker absenteeism due to additional childcare needs that could ultimately increase mortality from COVID-19, according to new modelling research.
Scientists uncover an unusual partnership at the bottom of the ocean.
COPD, short for chronic obstructive pulmonary disease, is linked to a heightened risk of lung cancer in people who have never smoked.
Limited global supplies may scupper proposals to use the antimalarial drugs, chloroquine and hydroxychloroquine, to lessen the symptoms of Covid-19 infection or ward it off altogether, say Italian doctors.
A new study concludes that robin migration is kicking off earlier by about five days each decade. The study is also the first to reveal the environmental conditions along the migration route that help the birds keep up with the changing seasons.
A new study offers clues to why autism spectrum disorder (ASD) is more common in boys than in girls. National Institutes of Health scientists found that a single amino acid change in the NLGN4 gene, which has been linked to autism symptoms, may drive this difference in some cases.
A new study has shown that an anti-parasitic drug already available around the world can kill the virus within 48 hours. Scientists found that a single dose of the drug, Ivermectin, could stop the SARS-CoV-2 virus growing in cell culture. The next steps are to determine the correct human dosage — ensuring the doses shown to effectively treat the virus in vitro are safe for humans.
Deaths of children and adolescents in China due to infectious diseases were becoming rare prior to the covid-19 pandemic, according to a new study.
South Australian researchers working with Oracle Cloud technology and vaccine technology developed by local company Vaxine Pty Ltd are testing a vaccine candidate against the SARS-CoV-2 coronavirus responsible for the COVID-19 pandemic.
A new study looks closely at why many people are so likely to avoid useful information — even if it benefits their health. While creating a test that allows anyone to test their own preferences for seeking out or avoiding info, our researchers found, among other things, that impatient people are more likely to avoid learning information, preferring to avoid the prospect of immediate pain rather than make better long-term decisions.
A palette of colors on a silver plate: that is what the world’s first color photograph looks like. It was taken by French physicist Edmond Becquerel in 1848. His process was empirical, never explained, and quickly abandoned. A team has now shone a light on this: the colors obtained by Edmond Becquerel were due to the presence of metallic silver nanoparticles.
Researchers invented a microfluidic chip containing cardiac cells that is capable of mimicking hypoxic conditions following a heart attack – specifically when an artery is blocked in the heart and then unblocked after treatment. The chip can be used to monitor electrophysiological and molecular response of the cells to heart attack conditions in real time.
A research team has developed a novel wastewater treatment system that can effectively remove conventional pollutants, and recover valuable resources such as phosphorus and organic materials. This novel system combines chemically enhanced primary sedimentation of sewage with acidogenic fermentation of sludge in tandem, can effectively remove trace emerging chemical contaminants from wastewater and is more cost effective compared with conventional wastewater treatment systems.
In areas with the highest levels of income inequality, the poor are less likely to rely on their community for support due to shame or embarrassment, according to a new study.
Fiber optic cables, it turns out, can be incredibly useful scientific sensors. Researchers have studied them for use in carbon sequestration, groundwater mapping, earthquake detection, and monitoring of Arctic permafrost thaw. Now they have been awarded new grants to develop fiber optics for two novel uses: monitoring offshore wind operations and underground natural gas storage.
China’s control measures during the first 50 days of the COVID-19 epidemic may have delayed the spread of the virus to cities outside of Wuhan by several days and prevented more than 700,000 infections nationwide, according to an international team of researchers. The findings could be useful to countries that are still in early phases of the COVID-19 outbreak.
Exeter researchers have discovered a novel chemistry to protect our crops from fungal disease.
Researchers discovered that high blood levels of RNA produced by the PHGDH gene could serve as a biomarker for early detection of Alzheimer’s disease. The work could lead to the development of a blood test to identify individuals who will develop the disease years before they show symptoms.
What do chocolate, migratory birds, flood control and pandas have in common? Many countries benefit from ecosystem services provided outside their nations. This can happen through economic relationships, biological and geographical conditions, but we hardly know how and where these ecosystem service flows occur. Scientists show how interregional ecosystem service flows can be identified and quantified.
Normal speech by individuals who are asymptomatic but infected with coronavirus may produce enough aerosolized particles to transmit the infection, according to aerosol scientists. Although it’s not yet known how important this is to the spread of COVID-19, it underscores the need for strict social distancing measures — and for virologists, epidemiologists and engineers who study aerosols and droplets to work together on this and other respiratory diseases.
Cell biologists reveal the phytochrome B molecule has unexpected dynamics activated by temperature, and behaves differently depending on the temperature and type of light. As climate change warms the world, crop growth patterns and flowering times will change. A better understanding of how phytochromes regulate the seasonal rhythms of plant growth will help scientists develop crops for optimal growth under the new climate and might shed light on cancer in animals.
By re-purposing badges originally designed to locate nurses and other hospital staff, scientists say they can precisely monitor how patients in the hospital are walking outside of their rooms, a well-known indicator and contributor to recovery after surgery.
Many studies claiming that artificial intelligence is as good as (or better than) human experts at interpreting medical images are of poor quality and are arguably exaggerated, posing a risk for the safety of ‘millions of patients’ warn researchers.
More than 2000 renewable energy facilities are built in areas of environmental significance and threaten the natural habitats of plant and animal species across the globe. A research team mapped the location of solar, wind and hydropower facilities in wilderness, protected areas and key biodiversity areas.
An international research team has recently discovered that high-entropy alloys (HEAs) exhibit exceptional mechanical properties at ultra-low temperatures due to the coexistence of multiple deformation mechanisms. Their discovery may hold the key to design new structural materials for applications at low temperatures.
Researchers have called for more research to determine the best ways to keep SARS-CoV-19 out of the water cycle. They also suggest that developed nations should finance water treatment systems in the developing world to help prevent future COVID-19 pandemics.
A new study shows that people are more likely to base decisions on anecdotal information instead of facts when they feel anxious and vulnerable.
New research has found that allotment gardening promotes positive body image, which measures someone’s appreciation of their own body and its functions, and an acceptance of bodily imperfections.
Surgical masks may help prevent infected people from making others sick with seasonal viruses, including coronaviruses, according to new research. In laboratory experiments, the masks significantly reduced the amounts of various airborne viruses coming from infected patients, measured using the breath-capturing ‘Gesundheit II machine’ developed by Dr. Don Milton, professor in the University of Maryland School of Public Health and a senior author of the study published April 3 in the journal Nature Medicine.
Materials that combine topological electronic properties and quantum magnetism are of high current interest, for the quantum many-body physics that can unfold in them and for possible applications in electronic components. For one such material, physicists have now established the microscopic mechanism linking magnetism and electronic-band topology.
Researchers have invented a machine-learning based algorithm for quantitatively characterizing material microstructure in three dimensions and in real time. This algorithm applies to most structural materials of interest to industry.
Overconfidence in one’s own abilities despite clear evidence to the contrary is present and persistent in children as young as four, a new study has revealed.
A study reports that an entirely parent-based treatment, SPACE (Supportive Parenting for Anxious Childhood Emotions), is as efficacious as individual cognitive-behavioral therapy (CBT) for the treatment of childhood and adolescent anxiety disorders.
Trouble for alcoholic fathers, hope for alcoholic mothers. Scientists have explored the relationship between parental alcohol consumption — before conception in the case of fathers and during pregnancy in the case of mothers — and offspring development.
A case study of a patient in Wuhan, China, suggests that the immunosuppressant tocilizumab may be an effective COVID-19 treatment for very ill patients who also have multiple myeloma and other blood cancers. The report also suggests that blood cancer patients may have atypical COVID-19 symptoms.
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- Using controlled environment food production to solve food shortages
- Almost a third of tropical Africa’s flora faces extinction
- Magnesium deprivation stops pathogen growth
- Big plans to save the planet depend on nanoscopic materials improving energy storage
- Non-coding DNA located outside chromosomes may help drive glioblastoma
- Study offers first large-sample evidence of the effect of ethics training on financial sector
- A new antibiotic to combat drug-resistant bacteria is in sight
- Deep learning to analyze neurological problems
- New machine learning algorithms offer safety and fairness guarantees
- Nature’s secret recipe for making leaves
- How to design and control robots with stretchy, flexible bodies
- Breaking (and restoring) graphene’s symmetry in a twistable electronics device
- Online reviews reveal need for specialized drug treatment facility assessments
- Dung beetle discovery revises biologists’ understanding of how nature innovates
- Brain biomarker predicts compulsive drinking
- Who is left behind in Mass Drug Administration?
- Genetic studies reveal how rat lungworm evolves
- Simple model explains why different four-legged animals adopt similar gaits
- Grid reliability under climate change may require more power generation capacity
- Germ-free lungs of newborn mice are partially protected against hyperoxia
- Study probes relationship between strange metals and high-temperature superconductors
- Bone breakthrough may lead to more durable airplane wings
- Boosting 5G technology
- Fighting opioids with an unlikely supplemental painkiller: Anti-itch medicine
- Some hyper-realistic masks more believable than human faces, study suggests
- Dissecting connections between chronic stress, inflammation and depression
- Scientists help soldiers figure out what robots know
- Diet pills, laxatives used for weight control linked with later eating disorder diagnosis
- Pollinator friendliness can extend beyond early spring
- Science underestimated dangerous effects of sleep deprivation
- How an AI solution can design new tuberculosis drug regimens
- New antenna tech to equip ceramic coatings with heat radiation control
- Wildfires in Oregon’s blue mountains to become more frequent, severe due to climate change
- Lack of sleep may explain why poor people get more heart disease
- Scientists discover surprising quantum effect in an exotic superconductor
- Efficient bottom-up synthesis of new perovskite material for the production of ammonia
- Assessing different HPV vaccines and vaccine schedules in adolescent girls and boys
- Wound healing in mucous tissues could ward off AIDS
- Scientists identify underlying molecular mechanisms of Alexander disease
- Researchers visualize bacteria motor in first step toward human-produced electrical energy
- Changing experiences of the natural world
- DNA repeats — the genome’s dark matter
- Old newspapers can be used to grow carbon nanotubes
- Universal features of music around the world
- Clean air research converts toxic air pollutant into industrial chemical
- NASA space data can cut disaster response times, costs
- Filaments that structure DNA
- Increased use of antibiotics may predispose to Parkinson’s disease
- Do obesity and smoking impact healing after wrist fracture surgery?
- Tiny devices made of DNA detect cancer with fewer false alarms
- New method for using spin waves in magnetic materials
- New technology developed to improve forecasting of Earthquakes, Tsunamis
- Dangerous bacteria communicate to avoid antibiotics
- New electrodes could increase efficiency of electric vehicles and aircraft
- In a first for cell biology, scientists observe ribosome assembly in real time
- Bacteria-infecting viruses bind mucosal surface and protect from disease
- Clear, conductive coating could protect advanced solar cells, touch screens
- Small, fast, and highly energy-efficient memory device inspired by lithium-ion batteries
- Scientists find early humans moved through Mediterranean earlier than believed
- Samoa climate change resilience challenges Western perceptions
- Using artificial intelligence to determine whether immunotherapy is working
- Achieving quantum supremacy
- Daily exposure to blue light may accelerate aging, even if it doesn’t reach your eyes
- Arthropods formed orderly lines 480 million years ago
- Ancient stars shed light on Earth’s similarities to other planets
- Lifestyle is a threat to gut bacteria: Ötzi proves it, study shows
- Mars once had salt lakes similar to those on Earth
- Gimme six! Researchers discover aye-aye’s extra finger
- Schools of molecular ‘fish’ could improve display screens
- ‘Artificial leaf’ successfully produces clean gas
- New data on the evolution of plants and origin of species
- New measurement of Hubble constant adds to cosmic mystery
- By targeting flu-enabling protein, antibody may protect against wide-ranging strains
- Did an extraterrestrial impact trigger the extinction of ice-age animals?
- Putting the ‘bang’ in the Big Bang
- Micromotors push around single cells and particles
- Engineers develop a new way to remove carbon dioxide from air
- Dolphins demonstrate coordinated cooperation
- ESO telescope reveals what could be the smallest dwarf planet yet in the solar system
- Ornament with eagle talons from Neanderthal Period
- Voyager 2 reaches interstellar space
- The world is getting wetter, yet water may become less available for North America and Eurasia
- Screen-based media associated with structural differences in brains of young children
- Stressed to the max? Deep sleep can rewire the anxious brain
- Light-based ‘tractor beam’ assembles materials at the nanoscale
- Any amount of running linked to significantly lower risk of early death
- Three-drug combo improves lung function in most common genetic form of cystic fibrosis
- How measles wipes out the body’s immune memory
- New model for the way humans localize sounds
- New measurement yields smaller proton radius
- Carbon dioxide capture and use could become big business
- Go with the flow: Scientists design new grid batteries for renewable energy
- Hubble captures a dozen sunburst arc doppelgangers
- Brains of girls and boys are similar, producing equal math ability
- Chemists observe ‘spooky’ quantum tunneling
- Why is ice so slippery?
- Data-driven definition of unhealthy yet pervasive ‘hyper-palatable’ foods
- Microbes harvest electrons: Novel process discovered
- Stalled weather patterns will get bigger due to climate change
- Environmental cost of cryptocurrency mines
- Saliva test for cannabis could someday help identify impaired drivers
- (Re)generation next: Novel strategy to develop scaffolds for joint tissue regeneration
- Artificial intelligence can speed up the detection of stroke
- Two COVID-19 Articles: Model of Spread as well as CT scans and mortality
- Researchers forecast longer, more extreme wildfire seasons
- A friendlier way to deal with nitrate pollution
- New artificial intelligence system can empower medical professionals in diagnosing skin diseases
- Reconstructing the clock of human development
- Individuals taking class of steroid medications at high risk for COVID-19
- Discovery challenges nuclear theory
- Most diets lead to weight loss and lower blood pressure, but effects largely disappear after a year
- Study offers new insight into the impact of ancient migrations on the European landscape
- Using sponges to wipe out cancer
- US modelling study estimates impact of school closures for COVID-19 on US health-care workforce and associated mortality
- Deep-sea worms and bacteria team up to harvest methane
- COPD linked to heightened risk of lung cancer in people who have never smoked
- Limited supply may scupper proposals to use antimalarials to ward off Covid-19
- American robins now migrate 12 days earlier than in 1994
- Single mutation leads to big effects in autism-related gene
- Possible coronavirus drug identified
- Rapid infectious disease shifts in Chinese children and adolescents prior to COVID-19
- Vaccine candidate against SARS-CoV-2 being tested
- The desire for information: Blissful ignorance or painful truth?
- Mystery solved: The origin of the colors in the first color photographs
- Heart attack on a chip: Scientists model conditions of ischemia on a microfluidic device
- New wastewater treatment process removes health hazardous chemicals
- Poor people experience greater financial hardship in areas where income inequality is greatest
- Using fiber optics to advance safe and renewable energy
- China’s control measures may have prevented 700,000 COVID-19 cases
- Novel chemistry could protect crops from fungal disease
- Discovery of new biomarker in blood could lead to early test for Alzheimer’s disease
- Ecosystem services are not constrained by borders
- How important is speech in transmitting coronavirus?
- New temperature sensing mechanism in plants
- Device that tracks location of nurses re-purposed to record patient mobility
- Concerns over ‘exaggerated’ study claims of AI outperforming doctors
- Renewable energy developments threaten biodiverse areas
- Multi-stage deformation process in high-entropy alloys at ultra-low temperatures revealed
- Removing the novel coronavirus from the water cycle
- People tune out facts and trust their guts in medical emergencies
- Gardening helps to grow positive body image
- Comparing SASE vs. traditional network security architectures
- Wearing surgical masks in public could help slow COVID-19 pandemic’s advance
- A twist connecting magnetism and electronic-band topology
- Capturing 3D microstructures in real time
- Cocky kids: The four-year-olds with the same overconfidence as risk-taking bankers
- New treatment for childhood anxiety works by changing parent behavior
- Coronavirus: Video calling, collaboration applications usage rise steeply in UK homes
- Alcohol consumption by fathers before conception could negatively impact child development
- Treating COVID-19 in a patient with multiple myeloma
- COVID-19 pandemic may exacerbate childhood obesity
- An antibiotic masquerading as a natural compound in the Giant Madeiran Squill
- A combined optical transmitter and receiver
- New drug target found for COVID-19
- New measurements reveal evidence of elusive particles in a newly-discovered superconductor
- Changes to drylands with future climate change
- Coronavirus: Virological findings from patients treated in a Munich hospital
- Plant root hairs key to reducing soil erosion
- Northern peatlands will lose some of their CO2 sink capacity under a warmer climate
- Tissue dynamics provide clues to human disease
- Stress thwarts our ability to plan ahead by disrupting how we use memory
- Build a migration plan for enterprise edge infrastructure
- Business data science teams need to be multi-disciplined, says Trainline
- Covid-19 apps pose threat to digital privacy on a global scale
- To divide or not to divide? The mother cell may decide
- Clues to COVID-19 coronavirus’s vulnerability emerge from an antibody against SARS
- Do urban fish exhibit impaired sleep?
- Turning cells into computers with protein logic gates
- Study overturns ‘snapshot’ model of cell cycle in use since 1974
- Scientists develop ‘backpack’ computers to track wild animals in hard-to-reach habitats
- Marijuana may impair female fertility
- COVID-19 and labour constraints: Recalling former health care workers not enough
- Muscle protein abundant in the heart plays key role in blood clotting during heart attack
- Coronavirus: What does the ‘new normal’ mean for how we work?
- Lucy had an ape-like brain
- Coalition to accelerate research for COVID-19 in low- and middle-income countries
- When three species of human ancestor walked the Earth
- Scientists show how parasitic infection causes seizures, psychiatric illness for some
- Most people consider becoming vegetarian for their health
- Starving pancreatic cancer of cysteine may kill tumor cells
- Experiments lead to slip law for better forecasts of glacier speed, sea-level rise
- Lifestyle changes could delay memory problems in old age, depending on our genes
- 3D reconstructions of individual nanoparticles
- Cannabis compound helps fight resistant bacteria
- Scientists discover a new class of taste receptors
- Coastal pollution reduces genetic diversity of corals, reef resilience
- Gut communicates with the entire brain through cross-talking neurons
- Coronavirus: Vodafone confident of staying on the line
- Security Think Tank: Continuity planning doesn’t have to be complex
- Transatel takes global connected vehicle platform on the road
- Coronavirus: Welsh National Health Service preps Watson-powered chatbot
- Speaker calls for virtual Parliament during coronavirus crisis
- Use of NHS technology surges during Covid-19 outbreak
- Physicist develops new photon source for tap-proof communication
- Six decades of change in plankton communities
- Climate disasters increase risks of armed conflicts: New evidence
- Where lions roam: West African big cats show no preference between national parks, hunting zones
- Phage capsid against influenza: Perfectly fitting inhibitor prevents viral infection
- A ‘cardiac patch with bioink’ developed to repair heart