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Science Daily: News Articles in Science, Health, Environment Technology

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate environment, computers, engineering, health medicine, math, physics, psychology, technology, and more -- from the world's leading universities and research organizations. id=metasummary ScienceDaily -- the Internet's premier science news web site -- brings you the latest discoveries in science, health & medicine, the environment, space, technology, and computers, from the world's leading universities and research institutions. Updated several times a day, Science Daily also offers free search of its archive of more than 80,000 stories, as well as related articles, images, videos, books, and journal references in hundreds of different topics, including astronomy, biology, chemistry, engineering, geology, mathematics, physics, and more.



New breath-driven concept set to transform access to hand prosthetics  

The new air-powered hand provides a lightweight, low-maintenance and easy-to-use body-powered prosthetic option particularly well suited for children and those in low and middle-income countries.

what do you think?

2022-07-30 07:10:21



New DNA repair-kit successfully fixes hereditary disease in patient-derived cells  

Genetic mutations which cause a debilitating hereditary kidney disease affecting children and young adults have been fixed in patient-derived kidney cells using a potentially game-changing DNA repair-kit.

what do you think?

2022-07-30 04:21:02



A window of opportunity for methane to slip by nature's filters  

Warmer oceans can lead to large amounts of methane being released from the seabeds, which may amplify climate warming. A new study develops a method to understand the role of microorganisms in increasing emissions of methane from seabeds.

what do you think?

2022-07-29 18:16:54



Technique for the isolation of volatile food compounds optimized  

A research team has succeeded in automating an established method for the gentle, artifact-avoiding isolation of volatile food ingredients. As the team's current comparative study now shows, automated solvent-assisted flavor evaporation (aSAFE) offers significant advantages over the manual process. It achieves higher yields on average and reduces the risk of contamination by nonvolatile substances.

what do you think?

2022-07-29 17:12:34



Octopus lures from the Mariana Islands found to be oldest in the world  

An archaeological study has determined that cowrie-shell artifacts found throughout the Mariana Islands were lures used for hunting octopuses and that the devices, similar versions of which have been found on islands across the Pacific, are the oldest known artifacts of their kind in the world.

what do you think?

2022-07-29 13:45:45



New smartphone clip-on can detect Zika virus in blood samples  

In a new study, researchers have combined their efforts to develop an instrument that can be clipped on to a smartphone to rapidly test for Zika virus in a single droplet of blood.

what do you think?

2022-07-29 13:40:36



Taking your time makes a difference  

Researchers find that stem cells in the developing brain of modern humans take longer to divide and make fewer errors when distributing their chromosomes to their daughter cells, compared to those of Neanderthals.

what do you think?

2022-07-29 13:14:22



Food stamp work requirements increase mental health care use  

Being exposed to work requirements in order to receive food stamps from the U.S. government significantly increased use of mental health care resources for depression and anxiety, a new study has found. The policy's negative effects occurred much sooner for women than men.

what do you think?

2022-07-29 12:02:27



A small crustacean acts as the sea's bees  

The crucial role of insects in the pollination of flowering plants is well known, but algal fertilization assisted by marine animals was hitherto deemed non-existent. A team has now discovered that small crustaceans known as idoteas contribute to the reproductive cycle of the red alga Gracilaria gracilis. The scientists' findings suggest that animal-mediated fertilization is much older than once thought.

what do you think?

2022-07-29 11:57:19



Coming wave of opioid overdoses 'will be worse than it's ever been before'  

Over the past 21 years of opioid overdose deaths, geography has played a role in where they have occurred, reports a new study. But the coming wave will not discriminate between rural and urban areas, the study findings suggest. Every type of county -- from the most rural to the most urban -- is predicted to see dramatic increases in deaths from opioid-involved overdoses.

what do you think?

2022-07-29 11:50:48



Listening to the people results in a more sustainable future energy system  

By taking into account the demographics and preferences of US racial groups, clarified through a nationally representative survey of 3,000 US residents, researchers have created a 'desirable' electricity generation mix for 2050 that includes 50% more energy from renewables than current projections. Combining such bottom-up input with top-down energy system goals set by policymakers could help meet both the needs and preferences of the population along with emission and climate goals.

what do you think?

2022-07-29 11:22:28



Rapid loss of smell predicts dementia and smaller brain areas linked to Alzheimer's  

New research shows that a decline in a person's sense of smell over time predicts their loss of cognitive function and can foretell structural changes in regions of the brain that are important in Alzheimer's disease and dementia. The findings could lead to the development of smell-test screening to detect cognitive impairment earlier in patients.

what do you think?

2022-07-29 10:37:48



Specialized brain regions recognize vocal cues that don't involve speech  

New research finds that specific parts of the brain recognize complex cues in human vocal sounds that do not involve speech, such as crying, coughing or gasping. Insights into the organization of the brain voice-recognition system will enable researchers to better understand neurological disorders where voice perception is altered or missing and even help create better voice assistant devices.

what do you think?

2022-07-29 10:34:42



White egret orchid evolved frilly petal to support pollinator hawkmoth  

Botanists suggest that the frilly lip of the white egret orchid evolved as a stabilizer for the hawkmoth while it pollinates the plant, resulting in better seed production.

what do you think?

2022-07-29 10:27:06



Where you live can affect your ability to conceive, study finds  

People who live in socioeconomically deprived neighborhoods are about 20 percent less likely to conceive in any given menstrual cycle compared with people living in neighborhoods with more resources, a recent study found.

what do you think?

2022-07-29 09:40:24



Interplay of ancestry and sexual dimorphism significantly affect growth patterns in frontal sinuses, researchers find  

Researchers have found the development of the frontal sinus was affected more by sexual dimorphism than the ancestry of the individual and that it was the interplay between those two factors that produced the most significant variation.

what do you think?

2022-07-29 08:52:15



Communication makes hunting easier for chimpanzees  

Similar to humans, chimpanzees use communication to coordinate their cooperative behavior -- such as during hunting. When chimpanzees produce a specific vocalization, known as the 'hunting bark', they recruit more group members to the hunt and capture their prey more effectively, researchers have now shown.

what do you think?

2022-07-29 08:44:36



Inefficient building electrification risks prolonging fossil fuels  

A new study indicates that decarbonization pathways should incorporate more efficient electric heating technologies and more renewable energy sources to minimize strain on the U.S. electric grid during peaks in electricity usage from heating in the winter.

what do you think?

2022-07-29 08:31:55



New bioremediation material to clean up 'forever chemicals'  

A novel bioremediation technology for cleaning up per- and polyfluoroalkyl substances, or PFAS, chemical pollutants that threaten human health and ecosystem sustainability, has been developed. The material has potential for commercial application for disposing of PFAS, also known as 'forever chemicals.'

what do you think?

2022-07-29 08:22:11



New framework for studying brain organization  

Researchers have combined data simulation and experimental observation to bridge a gap between two major properties of large-scale organization of the human brain -- stationary and traveling waves of activity.

what do you think?

2022-07-29 07:53:56



It doesn't matter much which fiber you choose -- just get more fiber!  

The benefit of dietary fiber isn't just the easier pooping that advertisers tout. Fermentable fiber is an essential source of nutrients that your gut microbes and cells of the intestines need to stay healthy. Study participants who had been eating the least amount of fiber before being fed three different kinds of fiber supplement showed the greatest benefit from supplements, regardless of which ones they consumed.

what do you think?

2022-07-29 06:47:07



Advanced imaging reveals mired migration of neurons in Rett syndrome lab models  

Using organoids to model early development, researchers used an emerging microscopy technology to see that new neurons struggled to reach their developmental destination.

what do you think?

2022-07-29 05:39:40



Plant-based 'meat' 'healthier and more sustainable than animal products'  

A new review focuses on the health and environmental benefits of plant-based products, as well as consumer attitudes.

what do you think?

2022-07-29 05:33:12



A roadmap for the future of quantum simulation  

A roadmap for the future direction of quantum simulation.

what do you think?

2022-07-29 05:29:43



Putting a positive spin on the Buckyball C60  

Researchers have identified highly ionized species of the famous soccer ball-shaped 'Buckminsterfullerene' C60 molecule as plausible carriers of at least some of the most prominent and enigmatic Unidentified Infrared Emission (UIE) bands that have challenged astronomers since they were first discovered and studied over 30 years ago.

what do you think?

2022-07-29 05:08:02



How to help assembly-line robots shift gears and pick up almost anything  

A University of Washington team created a new tool that can design a 3D-printable passive gripper and calculate the best path to pick up an object. The team tested this system on a suite of 22 objects -- including a 3D-printed bunny, a doorstop-shaped wedge, a tennis ball and a drill.

what do you think?

2022-07-29 04:47:12



A fascinating new look at what drives T cells to guard the intestines  

Cells in the gut send secret messages to the immune system. Thanks to new research, we can finally get a look at what they're saying.

what do you think?

2022-07-29 04:46:18



No 'Safe Space' for 12 key ocean species on North American West Coast  

New research warns that climate impacts will significantly affect twelve economically and culturally important species that make their home in the California Current marine ecosystem (CCME) over the next 80 years.

what do you think?

2022-07-29 03:36:28



A paper battery with water switch  

A team of researchers has developed a water-activated disposable paper battery. The researchers suggest that it could be used to power a wide range of low-power, single-use disposable electronics -- such as smart labels for tracking objects, environmental sensors and medical diagnostic devices -- and minimize their environmental impact.

what do you think?

2022-07-29 03:30:09



New needle-free nasal vaccine shows promise for COVID-19  

New research shows that a needle-free mucosal bacteriophage (phage) T4-based COVID-19 vaccine is effective against SARS-CoV-2 infection.

what do you think?

2022-07-29 02:38:49



Disparities in United States COVID-19 vaccine distribution  

Health care facilities in Black metropolitan counties, Hispanic rural counties and hardest-hit counties were less likely to administer COVID-19 vaccines during initial rollout, a new study finds.

what do you think?

2022-07-29 01:25:57



Friendly skies? Study charts COVID-19 odds for plane flights  

Researchers estimate the probability of getting COVID-19 on an airplane in the first year of the pandemic surpassed 1 in 1,000 on a totally full flight lasting two hours.

what do you think?

2022-07-29 01:22:48



Swimming without brains and muscles  

Bacteria and other unicellular organisms developed sophisticated ways to actively navigate their way, despite being comparably simple structures. To reveal these mechanisms, researchers used oil droplets as a model for biological microswimmers. Biologists investigated the navigation strategies of microswimmers in several studies: how they navigate against the current in narrow channels, how they mutually affect their movement, and how they collectively start rotating in order to move.

what do you think?

2022-07-29 01:22:41



COVID-19: New energy for flagging immune cells  

In severe COVID-19 patients, the metabolism produces insufficient amounts of certain energy-rich compounds called ketone bodies. However, these energy carriers are needed by two important cell types in the immune system in order to fight the virus effectively. Perhaps this finding explains why some people fall ill so much more severely than others. A new study at least points in this direction. The results also give hope for new therapies.

what do you think?

2022-07-28 18:44:12



Decoding to broaden the scope of health monitoring technologies  

Advancing the potential applications of photoplethysmography, an optical technique used to measure heart rate, in cardiovascular and mental health monitoring requires the analysis of complex nonlinear data from photoplethysmograms (PPGs). Circumventing traditional analytical methods of resolving the complex and dynamic PPG signals, researchers have used nonlinear analysis to determine the accuracy of dynamical features estimated using short PPG signals.

what do you think?

2022-07-28 18:10:21



Engineers develop stickers that can see inside the body  

Engineers designed an adhesive patch that produces ultrasound images of the body. The stamp-sized device sticks to skin and can provide continuous ultrasound imaging of internal organs for 48 hours.

what do you think?

2022-07-28 17:45:22



AI performs as well as medical specialists in analyzing lung disease, research shows  

Researchers have developed an AI algorithm that accurately and quickly diagnoses idiopathic pulmonary fibrosis, a lung disease. The algorithm makes its diagnosis based only on information from non-invasive examinations, including lung images and medical information collected during daily medical care.

what do you think?

2022-07-28 17:41:04



Scientists discover new 'origins of life' chemical reactions  

The reaction generates amino acids and nucleic acids, the building blocks of proteins and DNA.

what do you think?

2022-07-28 17:08:20



Changing the perspective on the origin of enzymatic catalytic power  

Researchers took a closer look at the current debate over the origin of enzymatic catalytic power and proposes a mechanism that unites the opposing theories.

what do you think?

2022-07-28 16:44:32



Burro-ing into the past  

A new study reveals that introduced donkeys and indigenous pumas are helping to resurrect extinct food webs in Death Valley.

what do you think?

2022-07-28 16:13:47



Early exposure to antibiotics can cause permanent asthma and allergies  

Early exposure to antibiotics kills healthy bacteria in the digestive tract and can cause asthma and allergies, a new study demonstrates.

what do you think?

2022-07-28 15:47:55



People in shelter-in-place hotels used less acute health services  

In the first year of the pandemic, San Francisco and other communities in California offered private hotel rooms, three meals a day and on-site medical services to homeless people who were at risk of getting severe COVID-19.

what do you think?

2022-07-28 15:16:12



Researchers take first-ever cryo-EM images of nitrogenase in action  

Previously, it has been impossible to capture the high-resolution images of nitrogenase, the only enzyme capable of reducing nitrogen into ammonia, during catalytic action. Now researchers report near-atomic-resolution snapshots of nitrogenase during catalysis using cryogenic electron microscopy.

what do you think?

2022-07-28 15:10:46



Metaphor and images should be used alongside traditional medical scales for patients to describe pain  

Patients should be able to use images and metaphors alongside traditional medical scales to describe their pain to doctors, a new study says.

what do you think?

2022-07-28 14:44:49



Advanced MRI benefits patients with heart stiffening disease  

An advanced form of cardiac MRI has for the first-time enabled clinicians to measure the effectiveness of chemotherapy in patients with the life-limiting condition 'stiff heart syndrome'.

what do you think?

2022-07-28 14:05:26



New hardware offers faster computation for artificial intelligence, with much less energy  

Researchers have created protonic programmable resistors -- the building blocks of analog deep learning systems -- that can process data 1 million times faster than the synapses in the human brain. These ultrafast, low-energy resistors could enable analog deep learning systems that can train new and more powerful neural networks rapidly, which could then be used for novel applications in areas like self-driving cars, fraud detection, and health care.

what do you think?

2022-07-28 13:49:20



City life or farm life? When elephants adapt to different human development  

The movement of elephants through wildlife corridors is directly impacted by differing forms of human pressures and development, new research shows. The study takes an in-depth look at how varying land-use affects elephants and their use of wildlife corridors.

what do you think?

2022-07-28 13:34:55



Climate change could be making it harder for seabirds to catch fish  

Researchers have found that that cloudier waters, caused in part by climate change, is making it harder for seabirds to catch fish.

what do you think?

2022-07-28 13:08:45



Carbon removal using 'blue carbon' habitats 'uncertain and unreliable'  

Restoring coastal vegetation -- so called 'blue carbon' habitats -- may not be the nature-based climate solution it is claimed to be, according to a new study. In their analysis researchers challenge the widely held view that restoring areas such as mangroves, saltmarsh and seagrass can remove large amounts of carbon dioxide (CO2) from the atmosphere.

what do you think?

2022-07-28 12:43:54



New Antarctic study shows levels of 'forever chemicals' reaching the remote continent have been increasing  

New evidence from Antarctica shows that toxic 'fluorinated forever chemicals' have increased markedly in the remote environment in recent decades and scientists believe CFC-replacements could be among likely sources.

what do you think?

2022-07-28 11:41:58



Some types of stress could be good for brain functioning  

It may feel like an anvil hanging over your head, but that looming deadline stressing you out at work may actually be beneficial for your brain, according to new research. The study found that low to moderate levels of stress can help individuals develop resilience and reduce the risk of developing mental health disorders, like depression and antisocial behaviors. Low to moderate stress can also help individuals to cope with future stressful encounters.

what do you think?

2022-07-28 10:54:15



Sprint then stop? Brain is wired for the math to make it happen  

To ensure a quick halt, brain circuit architecture avoids a slow process of integration in favor of quicker differentiation, a new neuroscience study finds.

what do you think?

2022-07-28 10:17:16



Brain imaging reveals how mindfulness program boosts pain regulation  

Research has isolated the changes in pain-related brain activity that follow mindfulness training -- pointing a way toward more targeted and precise pain treatment.

what do you think?

2022-07-28 10:10:31



How charred detritus dispersed from Goleta Beach in wake of 2018 Montecito, California, debris flow  

The catastrophic debris flow that affected Montecito, Calif., in early January, 2018 was the result of a rare confluence of severe events. The Thomas Fire had been raging for weeks in Ventura and Santa Barbara counties, and an unusually strong winter storm dumped half an inch of rain in five minutes on the newly-charred hills above the suburban enclave. With the tough vegetation that holds the hillsides in place burned off by the fire, tons of water, silt, burnt plant matter and rocks roared dow

what do you think?

2022-07-28 09:30:16



Put down devices, let your mind wander, study suggests  

People consistently underestimate how much they would enjoy spending time alone with their own thoughts, without anything to distract them, according to new research.

what do you think?

2022-07-28 09:05:26



How molecular motor proteins are involved in malaria transmission  

Scientists have made a major breakthrough in understanding how malaria parasites divide and transmit the disease, which could be a major step forwards in helping to prevent one of the biggest killer infections in the world.

what do you think?

2022-07-28 08:33:39



Discrimination took a toll on the mental health of racial and ethnic minority groups during the COVID-19 pandemic, study finds  

People who reported experiencing discrimination more than once a week early in the pandemic had seventeen-fold increased odds of moderate to severe depressive symptoms and ten-fold increased odds of suicidal ideation, according to a new study.

what do you think?

2022-07-28 08:03:06



People with poor sleep behaviors may be at risk for fatty liver disease  

People with sedentary lifestyles and unhealthy sleep behaviors could develop fatty liver disease, according to new research.

what do you think?

2022-07-28 07:38:42



Gene that causes deadliest brain tumor also causes childhood cancers  

A gene that researchers discovered is responsible for the deadliest type of brain tumor is also responsible for two forms of childhood cancer, the scientists have found. The discovery may open the door to the first targeted treatments for two types of rhabdomyosarcoma, a cancer of the soft tissue that primarily strikes young children.

what do you think?

2022-07-28 07:15:18



High-tech imaging reveals details about rare eye disorder  

Using a new imaging technique, researchers have determined that retinal lesions from vitelliform macular dystrophy (VMD) vary by gene mutation. Addressing these differences may be key in designing effective treatments for this and other rare diseases.

what do you think?

2022-07-28 07:09:44



Data from elephant seals reveal new features of marine heatwave 'the Blob'  

The North Pacific Blob, a marine heatwave that began in late 2013 and continued through 2015, was the largest and longest-lasting marine heatwave on record. A new study using data collected by elephant seals reveals that in addition to the well documented surface warming, deeper warm-water anomalies associated with the Blob were much more extensive than previously reported.

what do you think?

2022-07-28 06:19:45



Face shields don't give high level COVID protection, study shows  

New research shows that face shields didn't give high levels of protection against COVID. They were a popular choice of PPE during the pandemic, but until now there hasn't been a great deal of evidence about how protective they really are. Researchers tested 13 styles of face shield in controlled laboratory settings using a 'coughing machine' that ejected fluorescent drops onto manikin heads. They also surveyed more than 600 people, including health care staff, to learn more

what do you think?

2022-07-28 06:01:14



Magnetic quantum material broadens platform for probing next-gen information technologies  

Scientists have used neutron scattering to determine whether a specific material's atomic structure could host a novel state of matter called a spiral spin liquid. By tracking tiny magnetic moments known as 'spins' on the honeycomb lattice of a layered iron trichloride magnet, the team found the first 2D system to host a spiral spin liquid.

what do you think?

2022-07-28 05:35:02



New link found that connects cell signaling pathway to development of esophageal cancers, Barrett's syndrome  

A team of researchers believe they have identified a cell signaling pathway responsible for the development of esophageal adenocarcinomas, an aggressive form of esophageal cancer that has gradually become more common, even in younger people.

what do you think?

2022-07-28 05:24:20



Histamine-producing gut bacteria can trigger chronic abdominal pain  

The culprit is what has now been named Klebsiella aerogenes, the McMaster-Queen (MQ) strain, identified in up to 25 per cent of gut microbiota samples from patients with IBS. Researchers examined stool microbiota samples from both Canadian and American patient cohorts.

what do you think?

2022-07-28 05:16:22



Most high blood pressure in children and teenagers is linked with unhealthy lifestyle  

Inactivity, diets high in sugar and salt, and excess weight account for nine in ten cases of high blood pressure in children and adolescents, according to a consensus paper by heart health. The document, which focuses on hypertension in 6 to 16 year-olds, recommends that families get healthy together.

what do you think?

2022-07-28 05:15:44



A 'nano-robot' built entirely from DNA to explore cell processes  

Constructing a tiny robot from DNA and using it to study cell processes invisible to the naked eye... You would be forgiven for thinking it is science fiction, but it is in fact the subject of serious research. This highly innovative 'nano-robot' should enable closer study of the mechanical forces applied at microscopic levels, which are crucial for many biological and pathological processes.

what do you think?

2022-07-28 05:11:44



Novel targeted therapy could be effective treatment option for deadly childhood cancer  

New research has demonstrated that a novel targeted therapy could be an effective treatment option for a deadly pediatric cancer known as neuroblastoma.

what do you think?

2022-07-28 04:52:51



Study finds delays in initial cystic fibrosis evaluation in infants of color  

Infants from minoritized racial and ethnic backgrounds who have positive newborn screening tests for cystic fibrosis received their diagnostic follow-up for the disease later than recommended and later than white, non-Hispanic infants, according to a new study.

what do you think?

2022-07-28 03:59:37



Better insight into the vagus nerve's link to brain  

Researchers have shown a direct link between vagus nerve stimulation and its connection to the learning centers of the brain. The discovery may lead to treatments that will improve cognitive retention in both healthy and injured nervous systems.

what do you think?

2022-07-28 03:56:26



Novel drug promotes nervous system repair in animal models of stroke  

Researchers have published findings showing a novel drug helped to repair the damage caused by ischemic stroke in animal models.

what do you think?

2022-07-28 03:41:45



COVID vaccine patch fights variants better than needles, study in mice shows  

A needle-free vaccine patch could better fight COVID-19 variants, such as Omicron and Delta, than a traditional needle vaccine, according to a study in mice.

what do you think?

2022-07-28 03:38:51



Flies, roaches not likely to spread COVID-19, study shows  

Insects like biting flies and cockroaches are not likely to spread the agent of COVID-19 to humans, according to a recently published article.

what do you think?

2022-07-28 03:16:58



Only half of children with autism receive early intervention services  

Despite a federal mandate requiring access to early intervention programs (EIP) for children with disabilities, fewer than half of autistic children in four New Jersey counties received services before 36 months of age, according to a new study.

what do you think?

2022-07-28 01:44:20



Reef fish evolution driven by biting  

Coral reefs are home to a spectacular variety of fish. A new study shows that much of this diversity is driven by a relatively recent innovation among bony fish -- feeding by biting prey from surfaces.

what do you think?

2022-07-28 01:36:50



High-status Danish Vikings wore exotic beaver furs  

Beaver fur was a symbol of wealth and an important trade item in 10th Century Denmark, according to a new study.

what do you think?

2022-07-27 21:15:18



Researchers 3D print sensors for satellites  

Researchers demonstrated a 3D-printed plasma sensor for satellites that works just as well as the expensive semiconductor sensors that take weeks of intricate fabrication in a cleanroom. These durable, precise sensors could be used on CubeSats, which are commonly utilized for environmental monitoring or weather prediction.

what do you think?

2022-07-27 20:43:48



Graphene scientists capture images of atoms 'swimming' in liquid  

Graphene scientists have created a novel 'nano-petri dish' using two-dimensional (2D) materials to create a new method of observing how atoms move in liquid.

what do you think?

2022-07-27 19:46:14



Oldest DNA from domesticated American horse lends credence to shipwreck folklore  

Feral horses have roamed freely across the island of Assateague off the coast of Maryland and Virginia for hundreds of years, but exactly how they got there has remained a mystery. In a new study, ancient DNA extracted from a 16th century cow tooth from one of Spain's first Caribbean colonies turns out to be from a horse. Analysis of the DNA suggest that old folk tales claiming that horses were marooned on Assateague following the shipwreck of a Spanish galleon are likely more fact than fic

what do you think?

2022-07-27 19:34:17



Quantum cryptography: Hacking is futile  

An international team has successfully implemented an advanced form of quantum cryptography for the first time. Moreover, encryption is independent of the quantum device used and therefore even more secure against hacking attempts.

what do you think?

2022-07-27 19:23:17



Women don't like to participate in competitive situations when deciding for themselves, but when deciding for others, they are all in, new research finds  

Although most decisions in life are made by individuals themselves, many are influenced by others such as principals, managers, parents or colleagues. New research finds that women take part in competitive environments more when they are making decisions for other people rather than themselves.

what do you think?

2022-07-27 18:43:09



Chores, exercise, and social visits linked to lower risk of dementia  

Physical and mental activities, such as household chores, exercise, and visiting with family and friends, may help lower the risk of dementia, according to a new study. The study looked at the effects of these activities, as well as mental activities and use of electronic devices in people both with and without higher genetic risk for dementia.

what do you think?

2022-07-27 18:26:42



How service dogs reduce PTSD symptoms: factors and mechanisms  

A new analysis dives into the use of service dogs by U.S. veterans who have posttraumatic stress disorder (PTSD), illuminating factors and mechanisms that may underlie the mental health effects of these relationships.

what do you think?

2022-07-27 17:01:40



New insights into HIV latent cells yield potential cure targets  

Scientists described how their use of cutting-edge technology revealed new insights into cellular reservoirs of HIV and what those observations could mean for the next steps in HIV cure research.

what do you think?

2022-07-27 16:43:23



Ancient DNA clarifies the early history of American colonial horses  

A newly identified 16th century horse specimen is among the oldest domestic horses from the Americas known to date, and its DNA helps clarify the history of horses in the Western Hemisphere, according to a new study.

what do you think?

2022-07-27 16:41:13



Smoke from Western wildfires can influence Arctic sea ice  

Sea ice and wildfires may be more interconnected than previously thought, according to new research.

what do you think?

2022-07-27 16:18:19



A key role for quantum entanglement  

A method known as quantum key distribution has long held the promise of communication security unattainable in conventional cryptography. An international team of scientists has now demonstrated experimentally, for the first time, an approach to quantum key distribution that is based on high-quality quantum entanglement -- offering much broader security guarantees than previous schemes.

what do you think?

2022-07-27 16:10:40



Sports help kids develop important trait linked to adult success  

Here's another good reason for kids to participate in organized sports: They can develop the 'grit' that helps them overcome challenges as adults, a new study suggests.

what do you think?

2022-07-27 16:07:24



What bats can teach us about stopping the next pandemic  

A new study suggests that the link between bats and coronaviruses is likely due to a long-shared history, and that their genetic information can help us prevent and manage future pandemics.

what do you think?

2022-07-27 16:02:55



Fast food diet before pregnancy can impact breast milk and baby's health, say scientists  

A diet high in sugar and fat such as burgers, fries and fizzy drinks can negatively affect a new mother's breast milk and baby's health even before the child is conceived, a new study has found.

what do you think?

2022-07-27 15:47:53



Plesiosaur fossils found in the Sahara suggest they weren't just marine animals  

Fossils of small plesiosaurs, long-necked marine reptiles from the age of dinosaurs, have been found in a 100-million year old river system that is now Morocco's Sahara Desert. This discovery suggests some species of plesiosaur, traditionally thought to be sea creatures, may have lived in freshwater.

what do you think?

2022-07-27 15:44:40



Exploring factors that may underlie how domestic cats can live in groups  

A new analysis explores relationships between domestic cats' hormone levels, gut microbiomes, and social behaviors, shedding light on how these solitary animals live in high densities.

what do you think?

2022-07-27 15:32:40



Eating more ultra-processed foods associated with increased risk of dementia  

People who eat the highest amounts of ultra-processed foods like soft drinks, chips and cookies may have a higher risk of developing dementia than those who eat the lowest amounts, according to a new study. Researchers also found that replacing ultra-processed foods in a person's diet with unprocessed or minimally processed foods was associated with a lower risk. The study does not prove that ultra-processed foods cause dementia. It only shows an association.

what do you think?

2022-07-27 15:26:09



How tiny changes help T cells to survive  

Immunologists have revealed the essential function of m6A modifications in T cells.

what do you think?

2022-07-27 15:10:44



Early hunting, farming homogenized mammal communities of North America  

Whether by the spear or the plow, humans have been homogenizing the mammal communities of North America for 10,000-plus years, says a new analysis of 8,831 fossils representing 365 species.

what do you think?

2022-07-27 14:56:51



'No pain, no gain' approach improves walking ability with peripheral artery disease  

People with peripheral artery disease, or PAD, who walked for exercise at a pace that induced pain or discomfort increased their walking speed and leg function more than those who walked at a comfortable pace. The findings come from a study examining the effects of home-based walking for exercise among 264 people with PAD.

what do you think?

2022-07-27 13:22:01



Research reveals role of genetic variants on psychedelics' therapeutic effects  

Researchers report that common genetic variations in one serotonin receptor could be a reason why people with psychiatric conditions, such as depression, respond differently to psychedelic treatments.

what do you think?

2022-07-27 12:54:54



New model developed to predict landslides along wildfire burn scars  

Researchers have augmented a physics-based numerical model to investigate and predict areas susceptible to debris flows. This augmented model eventually could be used in an early warning system for people living in high-risk areas, enabling them to evacuate before it's too late. Information from model simulations also could be used to design new infrastructure -- such as diversion bars that deflect fast-moving water away from homes and roads -- for high hazard zones.

what do you think?

2022-07-27 12:32:56



Harm from blue light exposure increases with age, research in flies suggests  

The damaging effects of daily, lifelong exposure to the blue light emanating from phones, computers and household fixtures worsen as a person ages, new research suggests. The study involved Drosophila melanogaster, the common fruit fly, an important model organism because of the cellular and developmental mechanisms it shares with other animals and humans.

what do you think?

2022-07-27 12:22:07



What is behind the dramatic decline in bee populations?  

A dramatic decline in the bee population at fruit farms in New Jersey and Pennsylvania has scientists wondering whether it is a natural phenomenon or a warning about a future threat to the world's food supply.

what do you think?

2022-07-27 12:21:10






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