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Unvaccinated pregnant women are increasingly being hospitalized with COVID-19 during a nationwide surge of the Delta variant, according to researchers.

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Researchers have mapped out how hundreds of mutations involved in two types of cancer affect the activity of proteins that are the ultimate actors behind the disease. The work points the way to identifying new precision treatments that may avoid the side effects common with much current chemotherapy.

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Researchers have designed new antibodies that might provide more effective treatment methods for Alzheimer's disease. By designing antibodies that bind even to the smaller aggregates, or clumps, of the amyloid-beta protein, it may be possible to check the progress of the disease.

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In geographic atrophy, a late form of age-related macular degeneration (AMD), reading ability is closely related to the altered retinal structure. Reading speed makes everyday functional impairment measurable, which the most common functional test in ophthalmology -- the best-corrected visual acuity assessment - cannot reflect. Retinal imaging can be used to assess loss of reading ability even when central visual acuity is still good.

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A team of bioengineers has invented a novel soft and flexible self-powered bioelectronic device. The technology converts human body motions -- from bending an elbow to subtle movements such as a pulse on one's wrist -- into electricity that could be used to power wearable and implantable diagnostic sensors.

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Domestic cats that regularly catch wild animals still get most of their nutrition from food provided at home, new research shows.

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The microbiomes of corals -- which comprise bacteria, fungi and viruses -- play an important role in the ability of corals to tolerate rising ocean temperatures, according to new research. The team also identified several genes within certain corals and the symbiotic photosynthetic algae that live inside their tissues that may play a role in their response to heat stress. The findings could inform current coral reef conservation efforts, for example, by highlighting the potential benefits of amending coral reefs with microbes found to bolster corals' heat-stress responses.

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Despite smoking's well-known role in causing lung cancer, a significant number of patients who develop lung tumors have never smoked. While scientists are still working to understand what spurs cancer in so-called 'never-smokers,' a study suggests that 78% to 92% of lung cancers in patients who have never smoked can be treated with precision drugs already approved by the Food and Drug Administration to target specific mutations in a patient's tumor.

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Opioid receptors play key roles in regulating our senses and emotions. Recently, their discovery outside the nervous system raised several questions about the effects of opioids on the immune system. Now, researchers have shown that KNT-127 -- a drug that targets delta opioid receptors -- can reduce pro-inflammatory signals in the colon. Their research highlights the immunomodulatory properties of opioids and indicates their therapeutic potential in inflammatory bowel disease and other related disorders.

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Scientists used a nuclear dating technique to study the dynamics of the Floridan Aquifer. The findings show the promise of this emerging technique to help understand geological processes and to forecast the effects of climate change on coastal aquifers.

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A new study on foot-and-mouth disease among buffalo in South Africa could help explain how certain extremely contagious pathogens are able to persist and reach endemic stage in a population, long after they've burned through their initial pool of susceptible hosts.

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Engineers have achieved a practical mechanism for 'full-duplex nonreciprocity,' a property in metamaterials that allows for manipulation of both incoming and reflective beams of light.

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A study found that pregnancy intentions often change over as short as a 12-month time period, and that they specifically vary with partner status, household income, and employment status.

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Nerve cells (neurons) send signals throughout the brain and the body along long processes called axons; these communication and information processes consume high levels of energy. A recent study shows that the support cells around axons provide a way to boost local energy production. The new findings help explain how long axons maintain sufficient energy levels and could have implications for the treatment of several neurological disorders, including Parkinson's disease, Huntington's disease, and amyotrophic lateral sclerosis (ALS), linked to disruptions in axonal energy supply.

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Scientists have detailed the effects of copper cysteamine, a next-generation cancer photo-drug.

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Scientists studying superconducting qubits identified structural and chemical defects that may be causing quantum information loss -- an obstacle to practical quantum computation.

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Using the relatively simple clocks found in fruit flies, researchers reveal that the subcellular location of clock proteins and genes fluctuates with the daily passage of time, indicating that spatial information is translated into time-related signals.

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What makes pancreatic cancer so deadly is its covert and quick spread. Now, a 'time machine' has shown a way to reverse the course of cancer before it spreads throughout the pancreas.

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Researchers can now rapidly isolate and chemically characterize individual organelles within cells. The new technique tests the limits of analytical chemistry and rapidly reveals the chemical composition of organelles that control biological growth, development and disease.

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A new study finds that next-generation telescopes used to see exoplanets could confuse Earth-like planets with other types of planets in the same solar system.

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Senate votes to avoid shutdown, fund government for less than 3 months

09/30/21 11:23 AM

A team led by researchers has published an online interactive atlas representing the changes in the levels of RNA made in the different cell types of ears of mice, after damage due to loud noise. From this analysis, the research teams identified a handful of drug candidates that may be able to prevent or treat the damage, and ultimately preserve hearing.

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While the brain acquires resistance to continuous treatment with mGluR5 inhibitor drugs, lasting effects may still arise if dosing occurs intermittently and during a developmental critical period, a new study finds.

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Women and people who menstruate experienced irregularities in their menstrual cycle because of increased stress during the COVID-19 pandemic, a new study has found.

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Of all European fisheries and coastal communities, the ones in the UK and the Eastern Mediterranean have the highest risk of being affected by climate change. To reduce climate risks, researchers are advising regional policy makers to focus on sustainable and diverse fisheries management.

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Researchers have identified molecular biomarkers, pathways and immune cell dynamics associated with sepsis that could be therapeutically targeted to prevent the condition from leading to death.

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Researchers have created a novel framework that can predict with reasonable accuracy the amino-acid changes in the virus' spike protein that may improve its binding to human cells and confer increased infectivity to the virus. The tool could enable the computational surveillance of SARS-CoV-2 and provide advance warning of potentially dangerous variants with an even higher binding affinity potential. This can aid in the early implementation of public health measures to prevent the virus's spread and perhaps even may inform vaccine booster formulations.

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Worms lose their wiggle when they get Alzheimer's disease, but researchers found that worms fed a diet of E. coli with higher levels of vitamin B12 were given a layer of protection from the dreaded degenerative brain disease.

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Cells working with an expanded genetic code could make more diverse medicines. A new study shows scientists are within striking distance.

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Blood sugar control has always been important for people with diabetes when it comes to preventing a stroke. But a new study finds for people with diabetes who have a stroke, there may be an ideal target blood sugar range to lower the risk of different types of vascular diseases like a stroke or heart attack later on.

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A common mutation in gliomas sensitizes them to immunotherapy, a finding which researchers believe could have broader therapeutic implications for all glioma patients.

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Scientists have found a rare quantum material in which electrons move in coordinated ways, essentially 'dancing.' Straining the material creates an electronic band structure that sets the stage for exotic, more tightly correlated behavior -- akin to tangoing -- among Dirac electrons, which are especially mobile electric charge carriers that may someday enable faster transistors.

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New mirror coatings will increase the volume of space LIGO can probe in its next run.

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New research highlights the development of HySyn, a system designed to synthetically reconnect neural circuits using neuropeptides from Hydra, a small, freshwater organism, into the model organism C. elegans.

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Clover plants grown in Mars-like soils experience significantly more growth when inoculated with symbiotic nitrogen-fixing bacteria than when left uninoculated, researchers report.

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New research shows that the benefits people could reap from exoskeletons rely heavily on having time to train with the device.

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Scientists say the health of a terrestrial ecosystem can be largely determined by three variables: vegetations' ability to uptake carbon, its efficiency in using carbon and its efficiency in using water.

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Stem cell scientists find that stringent lineage tracing is crucial for studies of nerve cell regeneration.

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Mercury released into the atmosphere by industry enters the sea and from there makes its way into the food chain. Now, an analysis by the University of Basel has revealed how the harmful substance enters seawater in the first place. This is not primarily via rainfall, as previously assumed, but rather also involves gas exchange. Measures to reduce mercury emissions could therefore take effect faster than previously thought.

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On Earth, river erosion is usually a slow-going process. But on Mars, massive floods from overflowing crater lakes had an outsized role in shaping the Martian surface, carving deep chasms and moving vast amounts of sediment, according to a new study.

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A study of chronic back pain patients finds that more than two-thirds of those who underwent a novel, 4-week psychological treatment were pain-free or nearly pain-free afterward. Those in the treatment group also saw brain regions involved in pain processing quiet. For many, the benefits lasted at least one year.

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Researchers have tracked flies' ability to interpret information while asleep, showing which parts of the brain remain 'awake'.

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Researchers have developed a dynamic respirator that modulates its pore size in response to changing conditions, such as exercise or air pollution levels, allowing the wearer to breathe easier when the highest levels of filtration are not required.

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The immune system relies on cell surface tags to recognize cancer cells. Researchers discovered mice who ate high-fat diets produced less of these tags on their intestinal cells, suppressing the ability of immune cells to identify and eliminate intestinal tumors. The high-fat diet also reduced the presence of certain bacteria in the mice's gut, which normally helps maintain the production of these tags.

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Del Rio residents respond to viral Border Patrol images taken near their community

09/29/21 5:04 AM

Physician-scientists developed a 12-week mind-body program that takes a new approach to chronic back pain. The team demonstrated that this intervention was highly beneficial for treating back pain when compared to standard care.

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Starting decades ago as fashionable, high-value gourmet greens, today microgreens have gained popularity among consumers for their nutritional profile and high content of antioxidant compounds. Now, a new study suggests that the tiny plants have the potential to help provide global nutrition security.

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A major tool against malaria in Africa has been the use of rapid diagnostic tests, which have been part of the 'test-treat-track' strategy in Ethiopia, the second most-populated country in Africa. But researchers studying blood samples from more than 12,000 individuals in Ethiopia now estimate these tests missed nearly 10% of malaria cases caused by the parasite Plasmodium falciparum, the most common cause of malaria cases and deaths.

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Researchers have discovered that people tend to give more praise to someone for their good deeds as an adult after discovering that person has also had to overcome adversity or suffering earlier in life, such as abuse and neglect as a child.

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Most people in the U.S. consume too much salt; adult Americans typically eat twice the daily amount recommended by dietary guidelines. Bread may not seem like an obvious culprit; however, due to high consumption and relatively high salt content, baked goods are a major source of sodium in the diet. A new study from the explores ways to reduce sodium in bread without sacrificing taste and leavening ability.

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Using bioinformatics tools and programming, researchers identified five specific mutations that are far more prevalent in Delta Plus infections compared to Delta infections, including one mutation, K417N, that is present in all Delta Plus infections but not present in nearly any Delta infections. The findings provide important clues to researchers about the structural changes to the virus recently and highlight the need to expand the toolbox in the fight against COVID-19.

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Engineers developed a technique that allows them to measure the generation rate and half-life of circulating tumor cells (CTCs) in mice.

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The ability to form episodic memories declines with age, certain dementias, and brain injury. However, a new study shows that low frequency repetitive transcranial magnetic stimulation delivered over the left prefrontal cortex of the brain can improve memory performance by reducing the power of low frequency brain waves as memories form.

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Asian elephants are keen to cooperate with friends and have evolved strategies to mitigate competition in their social groups, but cooperation breaks down when food resources are limited, according to new research. The study sheds light on the evolution of cooperative behavior in mammals.

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A new study suggests that machine learning using viral genomes may predict the likelihood that any animal-infecting virus will infect humans, given biologically relevant exposure.

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A set of 7 symptoms, considered together, can be used to maximize detection of COVID-19 in the community, according to researchers.

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Researchers used liquid gallium to create an antiviral and antimicrobial coating and tested it on a range of fabrics, including face masks. The coating adhered more strongly to fabric than some conventional metal coatings, and eradicated 99% of several common pathogens within five minutes.

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'Efficient coding theory' describes the most perfect, low-energy way to design a light-detecting device for a future camera or prosthetic retina. Or you could just look at a mammalian retina that's already organized this way. In a pair of papers on retinal structure, a team of neurobiologists has shown that the rigors of natural selection and evolution shaped our retinas to capture noisy data just as this theory of optimization would prescribe.

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A new research study turns cancer scientists into molecular detectives, searching for clues for why certain cancers are able to spread and evolve by studying tissues collected within hours of death.

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A new meta-analysis assessed data from 15 published studies to see how a single session of intense exercise affects young and middle-aged healthy adults in the hours prior to bedtime. And while no two bodies are the same, the researchers did find that the combination of factors would interact to enhance or modulate the effects of exercise on sleep.

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While research has shown that poor cardiovascular health can damage blood flow to the brain increasing the risk for dementia, a new study indicates that poor mental health may also take its toll on cognition.

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Scientists develop stronger and tougher glass, inspired by the inner layer of mollusk shells. Instead of shattering upon impact, the new material has the resiliency of plastic and could be used to improve cell phone screens in the future, among other applications.

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Researchers show that chronic hyperglycemia impairs working memory performance and alters fundamental aspects of working memory networks.

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Known as pediatric radiation-induced high-grade gliomas (RIGs), this specific type of brain tumor is caused by cranial radiation therapy for other cancers, most often brain cancers. They account for nearly 4% of all childhood brain tumor deaths, but there have not been many studies on RIGs and how to treat them.

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Gabby Petito's family believes FBI will capture Brian Laundrie

09/28/21 10:40 AM

The missing link isn't a not-yet-discovered fossil, after all. It's a tiny, self-replicating globule called a coacervate droplet, developed by researchers to represent the evolution of chemistry into biology.

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The U.S. is seeing an increased use of cannabis resulting from its legalization for recreational purposes. The findings showed that passage of the laws led to a rise in the odds of past-year and past-month cannabis use among individuals of Hispanic, Other and non-Hispanic whites compared to the period prior to enacting laws for recreational use. However, legalization did not lead to use more frequently, or cannabis use disorder among these groups.

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Mechanical thinning alone can calm the intensity of future wildfires for many years, and prescribed burns lengthen thinning's effectiveness.

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A 25-million-year-old eagle fossil found in South Australia adds to the long evolutionary history of raptors in Australia.

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Living or biological systems cannot be easily understood using the standard laws of physics, such as thermodynamics, as scientists would for gases, liquids or solids. Living systems are active, demonstrating fascinating properties such as adapting to their environment or repairing themselves. Exploring the questions posed by living systems using computer simulations, researchers have now discovered a novel type of ordering effect generated and sustained by a simple mechanical deformation, specifically steady shear.

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A handheld screening device that detects subtle misalignment of the eyes accurately identifies children with amblyopia (lazy eye), according to a new study.

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Previously published solar exposure guidelines for optimal vitamin D synthesis based on a study of skin samples may need to be revised.

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Anthrax is an infectious bacterial disease endemic in some parts of Africa. It affects people, livestock as well as wildlife. Using GPS telemetry data, a team of scientists reconstructed a special case of anthrax infection in Namibia: Three free-ranging cheetahs in the Namib Desert died within 24 hours after feeding on a mountain zebra that tested positive for the disease. The zebra is the first described case of a wild animal infected with anthrax in this arid region. The case also shows that there might be previously unknown risks to cheetah populations in the desert.

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As early as 18,000 years ago, humans in New Guinea may have collected cassowary eggs near maturity and then raised the birds to adulthood, according to an international team of scientists, who used eggshells to determine the developmental stage of the ancient embryos/chicks when the eggs cracked.

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Highly positive social outcomes are linked to biodiversity efforts in Amazonian Sustainable-Use Protected Areas, according to new research. The study investigated the social consequences of living both inside and outside Sustainable-Use Protected Areas containing aquatic and terrestrial ecosystems in Brazil's state of Amazonas. Researchers used data from more than 80 local semi-subsistence communities along a 2,000-km section of the Juruá River, the second-longest tributary of the Amazon River.

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N95 respirators offer the best protection against wildfire smoke and other types of air pollution, performing better than synthetic, cotton and surgical masks. N95s were so effective in the lab experiments that the researchers estimate their widespread use could reduce hospital visits attributable to wildfire smoke by 22% to 39%.

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Researchers describe how withdrawal from nicotine, methamphetamine and cocaine alters the functional architecture and patterns in the brains of mice, compared to control animals, a key to developing addiction treatments.

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A type of drug already used to treat obesity and Type 2 diabetes, when taken six months prior to the diagnosis of COVID-19, was associated with a decreased risk of hospitalization, respiratory complications and death in COVID-19 patients with Type 2 diabetes, according to researchers.

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Complex autoimmune diseases affecting various organ systems remain one of the greatest medical challenges in spite of immense advances in treatment. In particular, the diffuse symptoms at the early stage of complex autoimmune diseases make it hard to diagnose the condition early on, which in turn delays treatment. A team of researchers has now demonstrated that treatment can be extremely effective if autoimmune diseases are treated as early as possible, even before the first clinical symptoms appear.

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Researchers want to image proteins with unprecedented precision -- and thus gain insights into the molecular pathogenesis of Alzheimer's. This should pave the way for an earlier diagnosis of the dementia disorder via a simple blood test. A successful pilot study has now been completed.

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Tomoscopy is an imaging method in which three-dimensional images of the inside of materials are calculated in rapid succession. Now a team has achieved a new record: with 1000 tomograms per second, it is now possible to non-destructively document very fast processes and developments in materials on the micrometer scale, such as the burning of a sparkler or the foaming of a metal alloy for the production of stable lightweight materials.

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Using machine learning and simulations of giant impacts, researchers found that the planets residing in the inner solar system were likely born from repeated hit-and-run collisions, challenging conventional models of planet formation.

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Scientists have created a 3D-printed vaccine patch that provides greater protection than a typical vaccine shot.

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Specific and dynamic changes on electrocardiograms (EKGs) of hospitalized patients with COVID-19 or influenza can help predict a timeframe for worsening health and death, according to a new study.

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A new study suggests that unusual visual inspection of objects may precede the development of the social symptoms that are characteristic of autism syndrome disorder.

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New 'reporter viruses' developed by researchers make it much easier to observe SARS-CoV-2 and its variants in cells and live animals in the lab, enabling faster screening of potential anti-viral drugs, vaccines and neutralizing antibodies.

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Researchers have discovered the working mechanism of potential drug targets for various diseases such as cancer, rheumatoid arthritis, and even COVID-19. The findings uncover the inner workings of cell receptors that are involved in cancer progression and inflammatory diseases.

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A dataset on mortality from 29 countries, spanning most of Europe, the United States and Chile, found that 27 countries saw reductions in life expectancy in 2020, and at a scale which wiped out years of progress on mortality. The large declines in life expectancy in the U.S. can partly be explained by the notable increase in mortality at working ages observed in 2020.

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Increasing global warming from currently one to two degrees Celsius by mid-century might lead to about 25 percent more people put at risk by tropical cyclones, a new study finds. Already today, hurricanes and typhoons are among the most destructive natural disasters worldwide and potentially threaten about 150 million people each year. Adding to climate change, population growth further drives tropical cyclone exposure, especially in coastal areas of East African countries and the United States. Considering the joint impact of climate change and population growth provides an untapped potential to protect a changing world population.

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Scientists have unveiled an ultrathin quantum dot LED that can be folded as freely as paper. The new device can be folded into complex 3D structures such as butterflies, airplanes, and pyramids.

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Hyenas are frequently vilified and often feared. Hemingway once described the hyena as a stinking, foul devourer of the dead, with jaws that crack the bones the lion leaves.

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A protein - measuring just a few nanometers in size - acts as a molecular switch with a crucial role in determining whether we feel hungry or full. By determining of the protein's 3D structure, researchers were able to visualize the molecular structures of the hormones with which this protein -- melanocortin 4 receptor (MC4R) -- interacts.

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A practice used by education pioneer Montessori in the early 1900s has received further validation, with studies showing that finger tracing makes learning easier and more motivating. Imagining an object after tracing it can generate even faster learning, for children and adults alike.

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Flying cars, drones, and other urban aerial mobility vehicles have real potential to provide efficient transportation and delivery solutions, but what happens if a drone delivering cheeseburgers breaks down over a city park or in the middle of a crowded street? Researchers developed a method to measure vehicles' ability to recover and complete its mission safely.

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If necessity is the mother of invention, frustration is the father. When scientists kept running into aggravating problems with the existing tools and methods they were using to perform genetic engineering experiments, they decided to make better ones. They teamed up and created an integrated pipeline called STAMPScreen that combines novel algorithms, a new gene cloning technique, and powerful next-generation sequencing technology to help scientists get from a database to results quickly, easily, and frustration-free.

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Researchers have gained new insights into the learning ability of tobacco hawkmoths. In two recent publications, they report that learning odors does not only play a role in foraging, but that female moths are also influenced by previously learned odors when choosing a host plant to lay their eggs. In this context, a single deposited egg on a certain plant is sufficient for the moth's choice to visit the same plant species again even after 24 hours. In contrast, the moth's second nose, the tip of the proboscis on which olfactory sensory cells have also been identified, does not appear to play a role in learning odors and making odor-guided foraging decisions. The results provide clues to the adaptability of these insects to their environment.

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Analyzing observations of an X-ray flare and fitting the data with theoretical models, astronomers documented a fatal encounter between an unlucky star and a black hole.

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Examining spouses from Japan and the Netherlands, a new study suggests that couples have a high degree of commonality in body shape, blood pressure, and even incidences of some diseases.

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A healthy eating plan, weight loss and improved aerobic fitness can significantly reduce blood pressure and improve heart health in people with resistant hypertension -- a condition in which blood pressure remains high despite the use of three or more antihypertensive medications.

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A new phase of matter, thought to be understandable only using quantum physics, can be studied with far simpler classical methods.

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A smartphone sensor, much like what is used in GPS systems, might be a way to determine whether or not someone is intoxicated after consuming marijuana, according to a new study.

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Researchers have developed a time-domain single-pixel imaging technique to speed the measurement of ultrafast pulses in infrared and far infrared wavelengths.

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The debate on green vehicles often focuses on fuel efficiency and alternative fuels, with the transition to fuel alternatives commonly being considered better for the environment the faster it is. A new study shows that keeping and using existing fuel-efficient cars a little longer can actually reduce CO? emissions even with gasoline cars. Thus, a gradual transition and policies that encourage a change in consumption patterns are also key for reducing overall emissions.

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Machine learning can pinpoint 'genes of importance' that help crops to grow with less fertilizer, according to a new study. It can also predict additional traits in plants and disease outcomes in animals, illustrating its applications beyond agriculture.

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Researchers are part of a new study that could help unlock the potential of superfluids -- essentially frictionless special substances capable of unstopped motion once initiated.

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A neuroscientist and speech pathologist, led a study that uncovered how neural networks in infants influence their language learning skills in early childhood.

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A new, 3D-printable polymer nanocomposite ink developed by engineers has incredible properties like conducting electricity and high tensile strength -- and many applications in aerospace, medicine and electronics.

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Researchers present comprehensive ancient DNA data retrieved from peoples culturally affiliated with the iconic Etruscans, settling a long-lasting debate on the origins of this highly skilled and enigmatic culture.

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A new study delves into the evolution and function of the human growth hormone receptor gene, and asks what forces in humanity's past may have driven changes to this vital piece of DNA.

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The direction of movement of a microbe directly depends on the curvature of its environment, according to new findings. The researchers investigated the navigation of a model microbe, a small self-propelling microalga, in confined compartments with different shapes. They also developed theoretical models to predict the probability flux of that microswimmer which was confirmed by experiments. With this model available, it is now possible to pre-define the average trajectory of such microbes by manipulating the curvature of the compartments which directly affects their movement.

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In 2020, an estimated 10 million people lost their lives to cancer. This devastating disease is underpinned by changes to our DNA – the instruction manual for all our cells.

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The Universe is filled with energetic particles, such as X rays, gamma rays, and neutrinos. However, most of the high-energy cosmic particles' origins remain unexplained.

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In a preclinical study show that their small molecule drug, SRI-42127, can potently attenuate the triggers of neuroinflammation. These experiments in glial cell cultures and mice now open the door to testing SRI-42127 in models of acute and chronic neurological injury.

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People are more aware of the plight of endangered gorillas than of gorillas' gut worms, and are understandably more enamored with mouse lemurs than their mites. Half of the world's roughly 500 primate species are at risk of extinction due to human activities such as hunting, trapping and deforestation. But the demise of the world's threatened primates could also trigger even more extinctions for the parasites that lurk within them, finds a new study.

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A new study finds that that some large whale species (humpback, fin and minke whales) use the waters off New York and New Jersey as a supplemental feeding area feasting on two different types of prey species.

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A research team proposes an efficient experimental platform for non-Hermitian physics research.

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A research team has provided what may be the most definitive view to date of the biological process leading to necrotizing enterocolitis (NEC), a dangerous inflammatory disease that can destroy a premature infant's intestinal lining and causes death in up to a third of the cases.

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Traumatic brain injury (TBI) and other injuries to blood vessels in the brain, like stroke, are a leading cause of long-term disability or death. Researchers have found a possible explanation for why some patients recover much more poorly from brain injury if they later become infected.

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Engineers created a new type of battery that weaves two promising battery sub-fields into a single battery. The battery uses both a solid state electrolyte and an all-silicon anode, making it a silicon all-solid-state battery. The initial rounds of tests show that the new battery is safe, long lasting, and energy dense. It holds promise for a wide range of applications from grid storage to electric vehicles.

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Researchers and data scientists have developed an artificial intelligence technique that can identify which cell surface peptides produced by cancer cells called neoantigens are recognized by the immune system.

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While the range of colors your eyes may perceive extends beyond the words language provides, languages around the globe are remarkably similar in how they partition the space of colors into a vocabulary. Yet differences exist. In a study examining 130 diverse languages around the world, researchers developed an algorithm to infer the communicative needs that different linguistic communities place on colors.

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The global decline of pollinators threatens the reproductive success of 90 per cent of all wild plants globally and the yield of 85 per cent of the world's most important crops. Pollinators -- mainly bees and other insects -- contribute to 35 per cent of the world's food production. The service provided by pollinators is particularly important for securing food produced by the more than two billion small farmers worldwide. An agroecologist points out that yields could be increased if pollinators were encouraged.

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Vampire bats that form bonds in captivity and continue those 'friendships' in the wild also hunt together, meeting up over a meal after independent departures from the roost, according to a new study.

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Cancer cells proliferate despite a myriad of stresses -- from oxygen deprivation to chemotherapy -- that would kill any ordinary cell. Now, researchers have gained insight into how they may be doing this through the downstream activity of a powerful estrogen receptor. The discovery offers clues to overcoming resistance to therapies like tamoxifen that are used in many types of breast cancer.

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Among the traditional five human senses, touch is perhaps the least studied. Yet, it is solicited everywhere, all the time, and even more so in recent years with the widespread daily use of electronic devices that emit vibrations. Indeed, any moving object transmits oscillatory signals that propagate through solid substrates. Our body detects them by means of mechanoreceptors located below the skin and transmits the information to the brain similarly to auditory, olfactory or visual stimuli. By studying how mice and humans perceive tactile vibrations, researchers discovered that the brain does not reliably perceive the frequency of a vibration when its amplitude varies. An illusory phenomenon is thereby created, which highlights how far our perception of the world around us can deviate from its physical reality.

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A new study shows that the intensification of global hydrological cycle drives more ocean heat uptake into the deep ocean and moderates the pace of global warming.

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A new study from the Kalahari Desert finds that teamwork allows birds to cope with brutally unpredictable environments.

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FBI issues arrest warrant for for Brian Laundrie

09/23/21 2:44 PM

Researchers can predict what syllables a bird will sing -- and when it will sing them -- by reading electrical signals in its brain, reports a new study. The work is an early step toward building vocal prostheses for humans who have lost the ability to speak.

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Engineers are developing new ways to convert greenhouse gases to fuel to address climate change and get astronauts home from Mars.

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When cells multiply and migrate, they can be compressed and their nucleus may break open. This phenomenon causes DNA damage. Scientists have now shown that this facilitates the spread of cancer cells in breast tumors.

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A new study found that adults who reported experiencing sexual abuse by the age of 16 had a 2.6 times higher risk of dying in middle age -- that is, between 45 and 58 -- than those who did not report sexual abuse.

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Researchers used ancient DNA analysis to identify a member of a population expelled from medieval Spain known as the 'Segorbe Giant'. The results have shed light on the brutal political decision that led to a dramatic change in population following the Christian reconquest of Spain.

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Researchers have discovered how Rift Valley fever virus enters cells, pointing the way to new therapies to treat deadly Rift Valley fever.

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The continents, a specific feature of our planet, still hold many secrets. Using chemical data on sedimentary rocks compiled from the scientific literature from the 1980s to the present day, researchers have uncovered a new geological history of the continents. The research shows that their growth was not a continuous process, and that they have always been rich in silica1. This new study calls into question certain models of the onset of plate tectonics and provides us with a better understanding of continental growth through time.

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Biden's special envoy to Haiti resigns in protest of 'inhumane, counterproductive' deportations

09/23/21 7:04 AM

Scientists have discovered that symbiotic single-celled algae that live inside of and feed corals can reproduce not only by mitosis, but also sexually. Encouraging sex in these algae can accelerate their evolution to produce strains better able to help reefs cope with climate change.

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City planners predict that as more people move into urban areas, traffic jams will get worse. That's why sustainability experts propose a new way to analyze traffic congestion. Using more precise measures to describe the shape of cities and considering other socioeconomic factors, the model, which was applied to nearly 100 American cities, could lead to a better understanding of the link between congestion and land use.

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