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November 7, 2022 12Oct. 27, 2022 — Viral DNA in human genomes, embedded there from ancient infections, serve as antivirals that protect human cells against certain present-day viruses, according to new ... Oct. 27, 2022 — NASA's InSight lander recorded a magnitude 4 marsquake last Dec. 24, but scientists learned only later the cause of that quake: a meteoroid strike estimated to be one of the biggest seen on Mars ... Oct. 27, 2022 — The female mosquito will hunt down any human, but some of us get bitten far more than others. The answer why may be hidden in our ... Oct. 26, 2022 — Scientists have discovered a way to create a material that can be made like a plastic, but conducts electricity more like a metal. The research shows ... Latest Top Headlines updated 2:01pm EST Monoclonal Antibody Prevents Malaria Infection in African AdultsNov. 1, 2022 — One dose of an antibody drug safely protected healthy, non-pregnant adults from malaria infection during an intense six-month malaria season in Mali, Africa, a National Institutes of Health clinical trial has found. The antibody was up to 88.2% effective at preventing infection over a 24-week period, demonstrating for the first time that a monoclonal antibody can prevent malaria infection in an ... Astronomers Discover Closest Black Hole to EarthNov. 4, 2022 — Astronomers have discovered the closest-known black hole to Earth. This is the first unambiguous detection of a dormant stellar-mass black hole in the Milky Way. Its close proximity to Earth, a mere 1600 light-years away, offers an intriguing target of study to advance our understanding of the evolution of binary ... Mars's Crust More Complex, Evolved Than Previously ThoughtNov. 4, 2022 — A new study finds the original crust on Mars is more complex, and evolved, than previously thought. Researchers have determined the Martian crust has greater concentrations of the chemical element silicon, which may mean Mars' original surface may have been similar to Earth's first ... Polarized X-Rays Reveal Shape, Orientation of Extremely Hot Matter Around Black HoleNov. 3, 2022 — The first observations of a mass-accreting black hole from the Imaging X-Ray Polarimetry Explorer (IXPE) mission reveal new details about the configuration of extremely hot matter in the region immediately surrounding it. Researchers are using measurements of the polarization of X-rays to test and refine models that describe how black holes ... Tonga Volcano Had Highest Plume Ever RecordedNov. 3, 2022 — Using images captured by satellites, researchers have confirmed that the January 2022 eruption of the Hunga Tonga-Hunga Ha'apai volcano produced the highest-ever recorded plume. The colossal eruption is also the first to have been directly observed to have broken through to the mesosphere layer of the ... A Stone Age Child Buried With Bird Feathers, Plant Fibers and FurNov. 2, 2022 — Archaeological researchers have identified human remains as a child, who may have been laid on a bed of down in a Stone Age burial site discovered in Eastern Finland. There may also have been a canid at the child's feet. It reveals interesting details of how Stone Age humans buried their dead about 8000 years ... Health News November 7, 2022 Oct. 25, 2022 — An unprecedented study of brain plasticity and visual perception found that people who, as children, had undergone surgery removing half of their brain correctly recognized differences between pairs ... Oct. 26, 2022 — Researchers have identified a new signaling process involving G protein-coupled receptors (GPCRs), a cellular target already exploited by hundreds of diverse drugs. The discovery opens the ... Oct. 26, 2022 — Giving the combination of immune checkpoint inhibitors relatlimab and nivolumab to patients with stage III melanoma before surgery was safe and ... Oct. 26, 2022 — New research gives strong evidence that vitamin D deficiency is associated with premature death, prompting calls for people to follow healthy vitamin D level ... Latest Health Headlines updated 2:01pm EST Promising Results from Psilocybin Trial for Treatment-Resistant DepressionNov. 7, 2022 — Researchers have participated in the largest and most rigorous clinical trial to date of psilocybin (a psychoactive ingredient in magic mushrooms), pointing to the possibility that COMP360 psilocybin with psychological support could be a beneficial therapeutic strategy for people with treatment-resistant depression ... Our Brains 'Time-Stamp' Sounds to Process the Words We HearNov. 7, 2022 — Our brains 'time-stamp' the order of incoming sounds, allowing us to correctly process the words that we hear, shows a new study by a team of psychology and linguistics researchers. Its findings offer new insights into the intricacies of neurological ... The Early Bird May Just Get the WormNov. 4, 2022 — Night owls may be looking forward to falling back into autumn standard time but a new study has found Daylight Saving Time may also suit morning types just ... Words Matter in Food Freshness, Safety MessagingNov. 4, 2022 — Changing the wording about expiration dates on perishable food items -- which is currently unregulated and widely variable -- could help reduce food waste, according to a new ... Physical/Tech News November 7, 2022 Oct. 31, 2022 — Bizarre quantum properties of black holes -- including their mind-bending ability to have different masses simultaneously -- have been confirmed by ... Oct. 31, 2022 — Twilight observations have enabled astronomers to spot three near-Earth asteroids (NEA) hiding in the glare of the Sun. These NEAs are part of an elusive population that lurks inside the orbits of ... Oct. 27, 2022 — Until now, Mars has been generally considered a geologically dead planet. An international team of researchers now reports that seismic signals indicate vulcanism still plays an active role in ... Oct. 27, 2022 — A recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise ... Latest Physical/Tech Headlines updated 2:01pm EST Light-Driven Molecular Motors Light UpNov. 4, 2022 — Combining two light-mediated functions in a single molecule is quite challenging. Scientists have now succeeded in doing just that, in two different ... Plant Fibers for Sustainable DevicesNov. 4, 2022 — Plant-derived materials such as cellulose often exhibit thermally insulating properties. A new material made from nanoscale cellulose fibers shows the reverse, high thermal conductivity. This makes it useful in areas previously dominated by synthetic polymer materials. Materials based on cellulose have environmental benefits over polymers, so research on this could lead to greener technological ... Surface Melting of GlassNov. 4, 2022 — In 1842, the famous British researcher Michael Faraday made an amazing observation by chance: A thin layer of water forms on the surface of ice, even though it is well below zero degrees. So the temperature is below the melting point of ice, yet the surface of the ice has melted. This liquid layer on ice crystals is also why snowballs stick ... Perturbing the Bernoulli Shift Map in Binary SystemsNov. 3, 2022 — The Bernoulli shift map is a well-known chaotic map in chaos theory. For a binary system, however, the output is not chaotic and converges to zero instead. One way to prevent this is by perturbing the state space of the map. In a new study, researchers explore one such perturbation method to obtain non-converging outputs with long periods and analyze these periods using modular arithmetic, ... Space Probe's Collision With Asteroid: Study Assesses Ejecta Momentum EnhancementNov. 1, 2022 — On September 26, NASA's Double Asteroid Redirection Test (DART) spacecraft crashed into Dimorphos, a moonlet of the near-Earth asteroid Didymos, at 14,000 miles per hour. Prior to the impact, engineers and scientists performed an experiment to study the cratering process that produces the mass of ejected materials and measures the subsequent ... ESO Captures the Ghost of a Giant StarOct. 31, 2022 — A beautiful tapestry of colors, showing the ghostly remains of a gigantic star, was captured in incredible detail with the VLT Survey Telescope, hosted at the European Southern Observatory's Paranal site in ... Environment News November 7, 2022 Nov. 2, 2022 — New research reveals that the world's largest tropical peatland turned from being a major store of carbon to a source of damaging carbon dioxide ... Nov. 2, 2022 — New simulations show that fish look downward when they swim because the stable riverbed below them provides more reliable information about their swimming direction and ... Nov. 2, 2022 — An exceptionally well-preserved collection of fossils discovered in eastern Yunnan Province, China, has enabled scientists to solve a centuries-old riddle in the evolution of life on earth, revealing ... Oct. 31, 2022 — A new study by mathematicians shows that math borrowed from neuroscience can describe how swarms of these unique insects coordinate their light show, capturing key details about how they behave in ... Latest Environment Headlines updated 2:01pm EST Endangered Devils Hole Pupfish Is One of the Most Inbred Animals KnownNov. 6, 2022 — Researchers have compiled the first genome sequences of desert pupfish from the American Southwest, including the unique Devils Hole pupfish. The genomes of the 8 Devils Hole pupfish sequenced contained an amazing number of identical stretches of DNA, amounting to 58% of the genome -- among the most inbred of any known vertebrate. Paradoxically, of 15 gene deletions, five involved adaptation to ... Potential Secret to Viral Resistance UnearthedNov. 4, 2022 — Scientists have unearthed a secret that may explain why some people are able to resist viral infections, having screened the immune systems of women exposed to hepatitis C (HCV) through contaminated anti-D transfusions given over 40 years ago in Ireland. The extraordinary work has wide-ranging implications from improving our fundamental understanding of viral resistance to the potential design of ... Microplastic Pollution Threats the World's Coastal LagoonsNov. 7, 2022 — Globally, the coastal lagoons of Lagos (Nigeria), Sakumo (Ghana) and Bizerte (Tunisia) -- close to large urban centers and without waste and sewage treatment systems -- are among the most affected water ecosystems of this nature by microplastic pollution. However, the highest concentrations of microplastics have been detected in Barnes Sound and other small lagoons in a protected area in the ... The Paris Agreement -- Better Measurement Methods NeededNov. 7, 2022 — The Paris Agreement says that we should reduce the emission of greenhouse gases to limit the rise in global temperature to 2 degrees Celsius. But do we have the measurement methods needed to achieve this? This is the question posed by researchers. Their answer is ... New Technology to Reduce PotholesNov. 4, 2022 — Researchers have developed a new machine-learning technique that applies the Goldilocks principle to road compaction ... Human Expansion 1,000 Years Ago Linked to Madagascar's Loss of Large VertebratesNov. 4, 2022 — The island of Madagascar -- one of the last large land masses colonized by humans - -sits about 250 miles (400 kilometers) off the coast of East Africa. While it's still regarded as a place of unique biodiversity, Madagascar long ago lost all its large-bodied vertebrates, including giant lemurs, elephant birds, turtles, and hippopotami. A human ... Ancient DNA Analysis Sheds Light on the Early Peopling of South AmericaNov. 2, 2022 — Using DNA from two ancient humans unearthed in two different archaeological sites in northeast Brazil, researchers have unraveled the deep demographic history of South America at the regional level with some surprising results. Not only do they provide new genetic evidence supporting existing archaeological data of the north-to-south migration toward South America, they also have discovered ... How Ancient Fish Colonized the Deep SeaOct. 31, 2022 — The deep sea contains more than 90% of the water in our oceans, but only about a third of all fish species. Scientists have long thought the explanation for this was intuitive -- shallow ocean waters are warm and full of resources, making them a prime location for new species to evolve and thrive. But a new study reports that throughout Earth's ancient history, there were several periods of time ... Society/Education News November 7, 2022 Sep. 29, 2022 — Despite a long-standing hypothesis that personality traits are relatively impervious to environmental pressures, the COVID-19 pandemic may have altered the trajectory of personality across the United ... Sep. 8, 2022 — Multiple climate tipping points could be triggered if global temperature rises beyond 1.5°C above pre-industrial levels, according to a major new ... Aug. 18, 2022 — While funding is pumped into preventing low-probability scenarios such as asteroid collision, the far more likely threat of a large volcanic eruption is close to ignored -- despite much that could be ... Aug. 24, 2022 — Briefly exposing social media users to the tricks behind misinformation boosts awareness of harmful online falsehoods -- even amid intense 'noise' of ... Latest Society/Education Headlines updated 2:01pm EST How to End COVID-19 as a Public Health ThreatNov. 3, 2022 — A new global COVID-19 study provides actionable recommendations to end the public health threat without exacerbating socio-economic burdens or putting the most vulnerable at greater ... Native Fish Overlooked as Invaders in U.S. WatersNov. 3, 2022 — In the U.S. Geological Survey's Non-Indigenous Aquatic Species database, these so-called 'native transplant' fish are almost twice as common as fish introduced from outside the country. But a new review says native transplant fish, especially those that don't qualify as game fish, are rarely studied and their impacts poorly ... Blind Spots in the Monitoring of Plastic WasteNov. 3, 2022 — Whether in drinking water, food or even in the air: plastic is a global problem -- and the full extent of this pollution may go beyond of what we know yet. Researchers have reviewed conventional assumptions for the transport of plastic in rivers. The actual amount of plastic waste in rivers could be up to 90 percent greater than previously assumed. The new findings should help improve monitoring ... Global Analysis Shows Where Fishing Vessels Turn Off Their Identification DevicesNov. 2, 2022 — Data from the shipboard Automatic Identification System (AIS) can provide information about global fishing activity, including illegal, unreported, and unregulated fishing. Fishing vessels may disable their AIS devices, but a new analysis identifies intentional disabling events in commercial fisheries and shows that, while some disabling events ... Crossword Puzzles Beat Computer Video Games in Slowing Memory LossOct. 27, 2022 — Crossword puzzles are widely used but have not been studied systematically in mild cognitive impairment, which is associated with high risk for dementia, including Alzheimer's disease.The new study has documented short- and longer-term benefits for web-crossword puzzle training compared to another ... Good Sleep Can Increase Women's Work AmbitionsOct. 31, 2022 — A study indicated that sleep quality impacted women's mood and changed how they felt about advancing in their careers. Meanwhile, men's aspirations were not impacted by sleep quality. The researchers discovered this finding in a two-week-long survey study of 135 full-time workers in the U.S. Each day the participants first noted how well they had slept and the quality of their current mood, and ... Claims AI Can Boost Workplace Diversity Are 'Spurious and Dangerous'Oct. 10, 2022 — AI-powered recruitment tools that claim to remove discrimination from hiring are a growing market. These AI tools reduce race and gender to trivial data points, and often rely on personality analysis that is 'automated pseudoscience', argue researchers in a new paper. The academics have teamed up with computing students to debunk this use of AI by building a version of the kinds of software ... Which of the following is the leading cause of death among Americans aged 45 to 65?In a typical year, the leading causes of death among persons aged 45-64 years are cancer and heart disease. Changes in lifestyle and getting scheduled tests could reduce the risk of getting cancer or heart disease or catch it in an early, more treatable stage.
Which of the following factors contributes to one third of all cancer deaths?Smoking. Cigarette smoking alone is directly related to at least one-third of all cancer deaths annually in the United States. Cigarette smoking is the most significant cause of lung cancer and the leading cause of lung cancer death in both men and women.
Which of the following refers to the presence of high blood pressure without a known cause?High blood pressure with no known cause is called primary (formerly called essential) hypertension. Between 85% and 95% of people with high blood pressure have primary hypertension.
Which of the following compounds binds to hemoglobin in the blood blocking the hemoglobin's ability to carry oxygen throughout the body?Carbon monoxide binds hemoglobin, the molecule in your blood that carries oxygen. When carbon monoxide is bound to hemoglobin, oxygen cannot bind. This decreases the amount of oxygen delivered to all of your cells.
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Have long been known to cause some cancers in plants and animals but only recently in humans
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