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| Heating in vaping device as cause for lung injury, study shows Posted: 28 Sep 2020 01:37 PM PDT Early results of an experimental vaping study have shown significant lung injury from e-cigarette devices with nickel-chromium alloy heating elements. |
| Pandemic sets off future wave of worsening mental health issues Posted: 28 Sep 2020 01:37 PM PDT Long after a COVID-19 vaccination is developed and years after the coronavirus death toll is tallied, the impact on mental health will linger, continuing to inflict damage if not addressed, according to new research. |
| Ancient Adélie penguin colony revealed by snowmelt at Cape Irizar, Ross Sea, Antarctica Posted: 28 Sep 2020 12:57 PM PDT Researchers encountered a puzzle at Cape Irizar, a rocky cape located just south of the Drygalski Ice Tongue on the Scott Coast, Ross Sea. He found both ancient and what appeared to be fresh remains of Adelie penguins, mostly of chicks, which frequently die and accumulate at these colonies. However, the 'fresh' remains were puzzling, he says, because there are no records of an active penguin colony at this site. |
| The Arctic is burning in a whole new way Posted: 28 Sep 2020 12:57 PM PDT 'Zombie fires' and burning of fire-resistant vegetation are new features driving Arctic fires -- with strong consequences for the global climate -- warn international fire scientists. |
| Disastrous duo: Heatwaves and droughts Posted: 28 Sep 2020 12:29 PM PDT Simultaneous heatwaves and droughts are becoming increasingly common in western parts of the Unites States, according to a new study. Periods of dry and hot weather, which can make wildfires more likely, are becoming larger, more intense, and more frequent because of climate change. |
| Climate change threatens breeding birds Posted: 28 Sep 2020 12:29 PM PDT Surviving on a warming planet can be a matter of timing -- but simply shifting lifecycle stages to match the tempo of climate change has hidden dangers for some animals, according to new research. The study has uncovered drastic consequences for birds that are breeding earlier in lockstep with earlier starts of spring: chicks hatching earlier face increased risk of poor weather conditions, food shortages and mortality. |
| Discovery of close binary trans-Neptunian object Posted: 28 Sep 2020 12:28 PM PDT A new study reveals the binary nature of a trans-Neptunian object (TNO). |
| Strong activation of anti-bacterial T cells linked to severe COVID-19 Posted: 28 Sep 2020 12:28 PM PDT A type of anti-bacterial T cells, so-called MAIT cells, are strongly activated in people with moderate to severe COVID-19 disease, according to a new study. |
| 3D biometric authentication based on finger veins almost impossible to fool Posted: 28 Sep 2020 12:28 PM PDT Biometric authentication, which uses unique anatomical features such as fingerprints or facial features to verify a person's identity, is increasingly replacing traditional passwords for accessing everything from smartphones to law enforcement systems. |
| Despite high hopes, carbon absorbed by Amazon forest recovery is dwarfed by deforestation emissions Posted: 28 Sep 2020 12:28 PM PDT After calculating how much carbon had been lost through deforestation, scientists have discovered that, in more than 30 years, the regrowth of secondary forests in the Brazilian Amazon has offset less than 10 per cent of emissions from the loss of old-growth forests. |
| About 14% of cerebral palsy cases may be tied to brain wiring genes Posted: 28 Sep 2020 12:28 PM PDT Researchers confirm that about 14% of all cases of cerebral palsy, a disabling brain disorder for which there are no cures, may be linked to a patient's genes and suggest that many of those genes control how brain circuits become wired during early development. The results led to recommended changes in the treatment of at least three patients, highlighting the importance of understanding the role genes play in the disorder. |
| Genetic testing cost effective for newly diagnosed GIST Posted: 28 Sep 2020 12:28 PM PDT Researchers reported that genetic testing is cost-effective and beneficial for newly diagnosed patients with metastatic gastrointestinal stromal tumors (GIST), a rare type of cancer. |
| How the brain balances emotion and reason Posted: 28 Sep 2020 10:31 AM PDT Navigating through life requires balancing emotion and reason, a feat accomplished by the brain region 'area 32' of the anterior cingulate cortex. The area maintains emotional equilibrium by relaying information between cognitive and emotional brain regions, according to new research. |
| Evolutionary and heritable axes shape our brain Posted: 28 Sep 2020 10:31 AM PDT Every region has its place in the brain. However, it has been unclear why brain regions are located where they are. Now, scientists have defined two main axes along which brain regions are genetically organized, stretching from posterior to anterior and inferior to superior in the brain. These axes are mainly shaped by genes and evolution. |
| Looking at evolution's genealogy from home Posted: 28 Sep 2020 10:31 AM PDT Evolution leaves its traces -- in particular -- in genomes. Researchers used '2-n-way' software to determine the relationships between species or individuals and compare any genome of and for anyone. |
| Study links rising stress, depression in U.S. to pandemic-related losses, media consumption Posted: 28 Sep 2020 09:50 AM PDT Experiencing multiple stressors triggered by the COVID-19 pandemic -- such as unemployment -- and COVID-19-related media consumption are directly linked to rising acute stress and depressive symptoms across the United States, according to a new study. |
| Scientists precisely measure total amount of matter in the universe Posted: 28 Sep 2020 09:50 AM PDT A top goal in cosmology is to precisely measure the total amount of matter in the universe, a daunting exercise for even the most mathematically proficient. Scientists have now done just that. |
| Landslides: long-term effects on tundra vegetation Posted: 28 Sep 2020 09:50 AM PDT Landslides have long-term effects on tundra vegetation, a new study shows. Conducting the study in North West Siberia, the researchers found that tundra vegetation regenerated rapidly after a major landslide event in 1989. |
| Early introduction of gluten may prevent celiac disease in children, study finds Posted: 28 Sep 2020 09:50 AM PDT Introducing high doses of gluten from four months of age into infants' diets could prevent them from developing celiac disease, a study has found, though researchers say further studies are needed before being applied in practice. |
| COVID-19 may deplete testosterone, helping to explain male patients' poorer prognosis Posted: 28 Sep 2020 09:50 AM PDT A study of patients hospitalized due to COVID-19 suggests that the disease might deteriorate men's testosterone levels. The study found that as men's testosterone level at baseline decreases, the probability for them to be in the intensive care unit (ICU) significantly increases. |
| COVID-19: Social distancing is more effective than travel bans, study finds Posted: 28 Sep 2020 09:50 AM PDT Travel bans will delay the peak of infection with days, while social distancing has a much stronger impact, amounting in up to 4 weeks delay, scientists report. |
| Antiferromagnet lattice arrangements influence phase transitions Posted: 28 Sep 2020 09:50 AM PDT New research reveals that the nature of the boundary at which an antiferromagnet transitions to a state of disorder slightly depends on the geometry of its lattice arrangement. |
| Avoiding environmental losses in quantum information systems Posted: 28 Sep 2020 09:50 AM PDT New research has revealed how robust initial states can be prepared in quantum information systems, minimizing any unwanted transitions which lead to losses in quantum information. |
| COVID-19: Saliva tests could detect silent carriers Posted: 28 Sep 2020 07:34 AM PDT Testing self-collected saliva samples could offer an easy and effective mass testing approach for detecting asymptomatic COVID-19. |
| Cement-free concrete beats corrosion and gives fatbergs the flush Posted: 28 Sep 2020 07:34 AM PDT Researchers have developed an eco-friendly zero-cement concrete, which all but eliminates corrosion. |
| Genetic differences in body fat shape men and women's health risks Posted: 28 Sep 2020 06:37 AM PDT New findings about body fat help explain the differing health risks men and women face - and set the stage for better, more targeted treatments. |
| Cancer's hidden vulnerabilities Posted: 28 Sep 2020 06:37 AM PDT To fight cancer more effectively, a researcher probes its inner workings for metabolic weaknesses. |
| Sentinels of ocean acidification impacts survived Earth's last mass extinction Posted: 28 Sep 2020 06:37 AM PDT Two groups of tiny, delicate marine organisms, sea butterflies and sea angels, were found to be surprisingly resilient -- having survived dramatic global climate change and Earth's most recent mass extinction event 66 million years ago. |
| Salute the venerable ensign wasp, killing cockroaches for 25 million years Posted: 28 Sep 2020 06:37 AM PDT A new study has identified four new species of parasitic, cockroach-killing ensign wasps that became encased in tree resin 25 million years ago and were preserved as the resin fossilized into amber. |
| To kill a quasiparticle: A quantum whodunit Posted: 28 Sep 2020 06:37 AM PDT Quasiparticles die young, lasting far, far less than a second. Why? A new Monash University study finds a culprit beyond the usual suspect (decay into lower energy states). Identification of the new villain--many-body dephasing--may be key to controlling quantum effects such as superconductivity and superfluidity. |
| One in three parents plan to skip flu shots for their kids during COVID-19 pandemic, poll finds Posted: 28 Sep 2020 06:05 AM PDT According to a new U.S. poll, COVID-19 may not influence parents' beliefs about the flu vaccine, with just one third believing it's more important for children to get vaccinated this year, while one in three parents don't plan to vaccinate children against the flu. |
| Busy pictures hinder reading ability in children Posted: 28 Sep 2020 06:05 AM PDT A new study shows extraneous images draw attention from text, reducing comprehension in beginning readers. |
| First study with CHEOPS data describes one of the most extreme planets in the universe Posted: 28 Sep 2020 06:05 AM PDT CHEOPS keeps its promise: Observations with the space telescope reveal details of the exoplanet WASP-189b - one of the most extreme planets known. |
| The testimony of trees: How volcanic eruptions shaped 2000 years of world history Posted: 28 Sep 2020 06:05 AM PDT Researchers have shown that over the past two thousand years, volcanoes have played a larger role in natural temperature variability than previously thought, and their climatic effects may have contributed to past societal and economic change. |
| First measurements of radiation levels on the moon Posted: 26 Sep 2020 11:52 AM PDT In the coming years and decades, various nations want to explore the moon, and plan to send astronauts there again for this purpose. But on our inhospitable satellite, space radiation poses a significant risk. Scientists report for the first time on time-resolved measurements of the radiation on the moon. The measurements show an equivalent dose rate of about 60 microsieverts per hour. In comparison, on a long-haul flight from Frankfurt to New York, it is about 5 to 10 times lower, and on the ground well over 200 times lower. |
| Study reveals design flaws of chatbot-based symptom-checker apps Posted: 26 Sep 2020 11:52 AM PDT Millions of people turn to their mobile devices when seeking medical advice. They're able to share their symptoms and receive potential diagnoses through chatbot-based symptom-checker (CSC) apps. But how do these apps compare to a trip to the doctor's office? Not well, according to a new study. |
| Researchers help develop sustainable polymers Posted: 26 Sep 2020 11:51 AM PDT Researchers have made new discoveries on the effects of temperature on sustainable polymers. Their findings may help the industry to produce plastics that are better for the environment. |
| Coldest Northern Hemisphere temps of minus 69.6 degress Celsius: Greenland, 1991 Posted: 26 Sep 2020 11:51 AM PDT Nearly 30 years after recording a temperature of minus 93.2 degrees Fahrenheit (minus 69.6 Celsius) in Greenland, the measurement has been verified by the World Meteorological Organization as the coldest recorded temperature in the Northern Hemisphere. |
| Stem cells can repair Parkinson's-damaged circuits in mouse brains Posted: 26 Sep 2020 11:51 AM PDT Researchers demonstrated a proof-of-concept stem cell treatment in a mouse model of Parkinson's disease. They found that neurons derived from stem cells can integrate well into the correct regions of the brain, connect with native neurons and restore motor functions. |
| 160 genes linked to brain shrinkage in study of 45,000 adults Posted: 26 Sep 2020 11:51 AM PDT An analysis conducted in 45,000 adults mainly of European ancestry associated 160 genes with brain shrinkage seen on MRI. |
| Physicists develop a method to improve gravitational wave detector sensitivity Posted: 25 Sep 2020 08:36 AM PDT Gravitational wave detectors opened a new window to the universe by measuring the ripples in spacetime produced by colliding black holes and neutron stars, but they are ultimately limited by quantum fluctuations induced by light reflecting off of mirrors. Researchers have conducted a new experiment to explore a way to cancel this quantum backaction and improve detector sensitivity. |
| Cocaine addiction: Impact of genetic mutations elucidated Posted: 25 Sep 2020 08:36 AM PDT Cocaine addiction is a chronic disorder with a high rate of relapse for which no effective treatment is currently available. Scientists recently demonstrated that two gene mutations involved in the conformation of nicotinic receptors in the brain appear to play a role in various aspects of cocaine addiction. |
| 3D camera quickly merges depth, spectral data Posted: 25 Sep 2020 08:36 AM PDT The Hyperspectral Stripe Projector captures spectroscopic and 3D imaging data for applications like machine vision, crop monitoring, self-driving cars and corrosion detection. |
| Lending color to dead cells -- A novel natural dye for screening cell viability Posted: 25 Sep 2020 08:36 AM PDT Synthetic dyes are commonly used to assess the toxicity of chemical compounds in cell cultures. However, these dyes damage cells, rendering the cultures useless for long-term experiments. Recently, scientists discovered that a natural food pigment can replace synthetic dyes in cell viability assays for three widely varied types of cells -- and performs better. Their approach is also environment-friendly and inexpensive, and opens up possibilities in a range of fields including drug discovery. |
| Tracking shape changes in Amazon fish after major river is dammed Posted: 25 Sep 2020 08:36 AM PDT Biologists compared museum collections of cichlid fishes collected before a dam was closed in 1984 on the Tocantins River in the Amazon and contemporary specimens taken from the Tucuruí Reservoir by fishermen 34 years later. |
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