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AI headphones let wearer listen to a single person in a crowd, by looking at them just once

Published: May 24, 2024 17:14

Engineers have developed an artificial intelligence system that lets someone wearing headphones look at a person speaking for three to five seconds to 'enroll' them. The system then plays just the enrolled speaker's voice in real time, even as the pair…

Entomologist sheds light on 250-year-old mystery of the German cockroach

Published: May 24, 2024 17:14

Entomologists have solved the 250-year-old origin puzzle of the most prevalent indoor urban pest insect on the planet: the German cockroach. The team's research findings, representing the genomic analyses of over 280 specimens from 17 countries and six…

High H5N1 influenza levels found in mice given raw milk from infected dairy cows

Published: May 24, 2024 12:16

Mice administered raw milk samples from dairy cows infected with H5N1 influenza experienced high virus levels in their respiratory organs and lower virus levels in other vital organs, according to new findings. The results suggest that consumption of raw…

New advances in cancer viral immunotherapy

Published: May 24, 2024 11:53

Researchers have developed a new strain of vaccinia virus, which can replicate in tumor cells while maintaining increased immunogenicity. Specifically, it can to induce so-called immunogenic cell death in tumor cells.

Developing novel methods to detect antibiotics in vegetables and earthworms

Published: May 23, 2024 20:50

Researchers have managed to analyze, simultaneously, several families of antibiotics in vegetables and earthworms. Sampling carried out in various locations has yielded data on the existence of antimicrobial agents and their derivatives in vegetables. In…

Electromechanical material doesn't get 'clamped' down

Published: May 23, 2024 20:50

A new study finds that a class of electromechanically active materials called antiferroelectrics may hold the key to overcoming performance limitations due to clamping in miniaturized electromechanical systems.

Birth of universe's earliest galaxies observed for first time

Published: May 23, 2024 15:37

Researchers have now seen the formation of three of the earliest galaxies in the universe, more than 13 billion years ago. The sensational discovery contributes important knowledge about the universe.

Study explains why the brain can robustly recognize images, even without color

Published: May 23, 2024 15:36

New research offers a possible explanation for how the brain learns to identify both color and black-and-white images. The researchers found evidence that early in life, when the retina is unable to process color information, the brain learns to…

Iron could be key to less expensive, greener lithium-ion batteries, research finds

Published: May 23, 2024 15:36

Chemistry researchers are hoping to spark a green battery revolution by showing that iron instead of cobalt and nickel can be used as a cathode material in lithium-ion batteries.

Study uncovers cell type-specific genetic insights underlying schizophrenia

Published: May 23, 2024 15:36

New research provides a map for how the genes known to increase risk of schizophrenia affect specific cells within the brain -- information researchers hope can drive the development of new, effective treatments.

Planet hunters unveil massive catalog of strange worlds

Published: May 23, 2024 11:26

While thousands of planets have been discovered around other stars, relatively little is known about them. A NASA catalog featuring 126 exotic, newly discovered worlds includes detailed measurements that allow for comparisons with our own solar system.

Mental disorders may spread in young people's social networks

Published: May 23, 2024 11:26

A recently completed study demonstrates that mental disorders may be transmitted between individuals within social networks. The finding was the most evident in the case of mood, anxiety and eating disorders.

Potentially habitable 'exo-Venus' with Earth-like temperature discovered

Published: May 23, 2024 11:24

Astronomers have made the rare and tantalizing discovery of an Earth-like exoplanet 40 light-years away that may be just a little warmer than our own world. The potentially-habitable planet, named Gliese 12 b, orbits its host star every 12.8 days, is…

Foraging ants navigate more efficiently when given energy-drink-like doses of caffeine

Published: May 23, 2024 11:24

Ants who receive a caffeine-laced sugary reward become more efficient at navigating back to the reward's location compared to ants that only receive sugar. Caffeinated ants move toward the reward via a more direct path but do not increase their speed,…

Exploring diversity in cell division

Published: May 22, 2024 13:05

Animals and fungi predominantly use two different modes of cell division -- called open and closed mitosis, respectively. A new study has shown that different species of Ichthyosporea -- marine protists that are close relatives of both animals and fungi --…

Gentler cell therapies for blood cancer

Published: May 22, 2024 13:04

Researchers have developed an approach to 'deleting' a blood system affected by leukemia while simultaneously building up a new, healthy system with donor blood stem cells. The team reports on the promising results obtained in animal experiments and with…

Cement recycling method could help solve one of the world's biggest climate challenges

Published: May 22, 2024 13:04

Researchers have developed a method to produce very low emission concrete at scale -- an innovation that could be transformative in the transition to net zero. The method, which the researchers say is 'an absolute miracle', uses the electrically-powered…

New tool may help prioritize high-risk infants for RSV immunization

Published: May 21, 2024 20:43

On the heels of a shortage of nirsevimab for infant respiratory syncytial virus (RSV) lower respiratory tract infection (LRTI) prevention, a new tool may help identify newborns at highest risk for developing serious RSV LRTI, according to new research.

Alaska's rusting waters: Pristine rivers and streams turning orange

Published: May 21, 2024 20:43

Dozens of Alaska's rivers and streams are turning orange. The staining could be the result of minerals exposed by thawing permafrost and climate change, finds a new study.

Scientists create tailored drug for aggressive breast cancer

Published: May 21, 2024 20:43

Scientists have used breast cancer cells' weakness against themselves by linking a tumor-selective antibody with a cell-killing drug to destroy hard-to-treat tumors.

Drug-like inhibitor shows promise in preventing flu

Published: May 21, 2024 13:23

Currently available flu medications only target the virus after it has already established an infection, but what if a drug could prevent infection in the first place? Now, scientists have designed drug-like molecules to do just that, by thwarting the…

Cosmic rays illuminate the past

Published: May 21, 2024 12:47

Researchers have for the first time been able to pin down a prehistoric settlement of early farmers in northern Greece dating back more than 7,000 years to the year. For this they combined annual growth ring measurements on wooden building elements with…

PFAS exposure in men linked to the health of their offspring

Published: May 21, 2024 12:47

Researchers are reporting new findings that demonstrate a link between exposure to per- and polyfluorinated alkyl substances (PFAS) in males and health issues in their offspring.

Complete Stellar Collapse: Unusual star system proves that stars can die quietly

Published: May 21, 2024 12:47

University of Copenhagen astrophysicists help explain a mysterious phenomenon, whereby stars suddenly vanish from the night sky. Their study of an unusual binary star system has resulted in convincing evidence that massive stars can completely collapse and…

Chocolate that harnesses the full potential of the cocoa fruit

Published: May 21, 2024 12:46

Researchers have developed a type of chocolate that is more sustainable and nutritious than conventional varieties. Cocoa-fruit chocolate uses cocoa fruit jelly as a replacement for powdered sugar, reducing the sugar content and increasing the product's…

Night-time heat significantly increases the risk of stroke

Published: May 21, 2024 12:46

Researchers show that nocturnal heat significantly increases the risk of stroke. The findings can contribute to the development of preventive measures: With them, the population can better protect themselves against the risks of climate change with…

Researchers discover hidden step in dinosaur feather evolution

Published: May 21, 2024 12:43

Scientists discover 'zoned development' in dinosaur skin, with zones of reptile-style scales and zones of bird-like skin with feathers. A new dinosaur skin fossil has been found to be composed of silica -- the same as glass.

Warming climate intensifies flash droughts worldwide

Published: May 21, 2024 12:42

Sudden, severe dry spells known as flash droughts are rising in intensity around the world, with a notable exception in mountainous Central Asia, where flash drought extent is shrinking, according to new research. Heat and changes to precipitation patterns…

'I feel like I'm Alice in Wonderland': Why nightmares and 'daymares' could be early warning signs of autoimmune disease

Published: May 20, 2024 20:58

An increase in nightmares and hallucinations -- or 'daymares' -- could herald the onset of autoimmune diseases such as lupus.

Electric school buses may yield significant health and climate benefits, cost savings

Published: May 20, 2024 15:55

Replacing diesel school buses with electric school buses may yield up to $247,600 in climate and health benefits per individual bus, according to a new study. The researchers found that these benefits -- including fewer greenhouse gas emissions and reduced…

'Vigorous melting' at Antarctica's Thwaites 'Doomsday' Glacier

Published: May 20, 2024 15:55

Glaciologists show evidence of warm ocean water intruding kilometers beneath grounded ice at Thwaites Glacier in West Antarctica. The findings suggest that existing climate models are underestimating the impact of ocean and ice interactions in future sea…

Better medical record-keeping needed to fight antibiotic overuse

Published: May 17, 2024 16:41

A lack of detailed record-keeping in clinics and emergency departments may be getting in the way of reducing the inappropriate use of antibiotics, a pair of new studies suggests. In one of the studies, about 10% of children and 35% of adults who got an…

Global life expectancy to increase by nearly 5 years by 2050 despite geopolitical, metabolic, and environmental threats

Published: May 17, 2024 16:41

The latest findings forecast that global life expectancy will increase by 4.9 years in males and 4.2 years in females between 2022 and 2050. Increases are expected to be largest in countries where life expectancy is lower, contributing to a convergence of…

Modern plant enzyme partners with surprisingly ancient protein

Published: May 17, 2024 16:41

Scientists have discovered that a protein responsible for the synthesis of a key plant material evolved much earlier than suspected. This new research explored the origin and evolution of the biochemical machinery that builds lignin, a structural component…

Physicists propose path to faster, more flexible robots

Published: May 17, 2024 16:41

Physicists revealed a microscopic phenomenon that could greatly improve the performance of soft devices, such as agile flexible robots or microscopic capsules for drug delivery.

Can we revolutionize the chemical industry and create a circular economy? Yes, with the help of catalysts

Published: May 17, 2024 11:15

A new commentary paper puts forth a transformative solution to the unsustainable reliance on fossil resources by the chemical industry: catalysis to leverage sustainable waste resources, ushering the industry from a linear to a circular economy.

Zombie cells in the sea: Viruses keep the most common marine bacteria in check

Published: May 17, 2024 11:15

Marine microbes control the flux of matter and energy essential for life in the oceans. Among them, the bacterial group SAR11 accounts for about a third of all the bacteria found in surface ocean waters. A study now reveals that at times nearly 20% of…

Plants restrict use of 'Tipp-Ex proteins'

Published: May 17, 2024 11:15

Plants have special corrective molecules at their disposal that can make retrospective modifications to copies of genes. However, it would appear that these 'Tipp-Ex proteins' do not have permission to work in all areas of the cell, only being used in…

Fruit fly wing research offers window into birth defects

Published: May 17, 2024 11:15

If fruit fly wings do not develop into the right shape, the flies will die. Researchers have learned how fly embryo cells develop as they need to, opening a window into human development and possible treatments for birth defects.

Anti-diabetic treatment associated with reduced risk of developing blood cancer

Published: May 17, 2024 11:15

People who use metformin are less likely to develop a myeloproliferative neoplasm (MPN) over time, indicating that the treatment may help prevent the development of certain types of cancers, according to a new study.

A trial HIV vaccine triggered elusive and essential antibodies in humans

Published: May 17, 2024 11:14

An HIV vaccine candidate triggered low levels of an elusive type of broadly neutralizing HIV antibodies among a small group of people enrolled in a 2019 clinical trial.

A powerful tool speeds success in achieving highly efficient thermoelectric materials

Published: May 16, 2024 20:51

Thermoelectric materials could play an important role in the clean energy transition, as they can produce electricity from sources of heat that would otherwise go to waste. Researchers report a new approach to efficiently predict when thermoelectric…

Airborne technology brings new hope to map shallow aquifers in Earth's most arid deserts

Published: May 16, 2024 20:51

The new technique will map the top of the aquifer, called the 'water table,' spanning areas as large as hundreds of kilometers using a radar mounted on a high-altitude aircraft. According to the researchers, Desert-SEA will measure the variabilities in the…

Large language models can't effectively recognize users' motivation, but can support behavior change for those ready to act

Published: May 16, 2024 16:05

Large language model-based chatbots can't effectively recognize users' motivation when they are hesitant about making healthy behavior changes, but they can support those who are committed to take action, say researchers.

Different brain structures in females lead to more severe cognitive deficits after concussion than males

Published: May 16, 2024 16:05

Important brain structures that are key for signaling in the brain are narrower and less dense in females, and more likely to be damaged by brain injuries, such as concussion. Long-term cognitive deficits occur when the signals between brain structures…

Scientists use generative AI to answer complex questions in physics

Published: May 16, 2024 16:05

Researchers used generative AI to develop a physics-informed technique to classify phase transitions in materials or physical systems that is much more efficient than existing machine-learning approaches.

New sensor gives unprecedented look at changes in cell's energy 'currency'

Published: May 16, 2024 16:05

A new sensor is giving researchers the best look yet at ATP levels inside living cells, enabling scientists to study in greater detail than ever before how fluctuations in this cellular currency affect the cell and contribute to disease.

The vicious cycle of protein clumping in Alzheimer's disease and normal aging

Published: May 16, 2024 16:05

To date, approaches to treatments for Alzheimer's disease have not addressed the contribution of protein insolubility as a general phenomenon, instead focusing on one or two insoluble proteins. Researchers have recently completed a systematic study in…

Otters, especially females, use tools to survive a changing world

Published: May 16, 2024 16:05

Sea otters are one of the few animals that use tools to access their food, and a new study has found that individual sea otters that use tools -- most of whom are female -- are able to eat larger prey and reduce tooth damage when their preferred prey…

Researchers wrestle with accuracy of AI technology used to create new drug candidates

Published: May 16, 2024 16:05

Researchers have determined that a protein prediction technology can yield accurate results in the hunt to efficiently find the best possible drug candidates for many conditions.

How did sabre-toothed tigers acquire their long upper canine teeth?

Published: May 16, 2024 12:26

In a groundbreaking study an international team of scientists has investigated the evolutionary patterns behind the development of sabre teeth, with some unexpected results along the way.

Wind farms can offset their emissions within two years

Published: May 16, 2024 12:26

After spinning for under two years, a wind farm can offset the carbon emissions generated across its entire 30-year lifespan, when compared to thermal power plants.

Very early blood pressure control confers both benefits and harms in acute stroke

Published: May 16, 2024 12:25

Early identification of stroke type could be key to harnessing the benefits of very early in-ambulance blood pressure lowering treatment in patients with suspected acute stroke, according to new research.

Why do we overindulge?

Published: May 16, 2024 12:25

If you tend to do other things or get distracted while eating dinner, you may be running the risk of over-consuming everyday pleasures later, possibly because the distraction caused you to enjoy yourself less, according to new research.

When saying 'please' is more strategic than magic

Published: May 15, 2024 22:51

By kindergarten age, most children have been taught that 'please' is a magic word. 'Please' is an expression of politeness that shows courtesy and respect, turning a potential demand into a request that will -- poof! -- magically be granted. But a new…

Carbon-capture batteries developed to store renewable energy, help climate

Published: May 15, 2024 16:43

Researchers are developing battery technologies to fight climate change in two ways, by expanding the use of renewable energy and capturing airborne carbon dioxide. Researchers recently created and tested two different formulations for batteries that store…

Hubble views the dawn of a sun-like star

Published: May 15, 2024 16:43

Looking like a glittering cosmic geode, a trio of dazzling stars blaze from the hollowed-out cavity of a reflection nebula in a new image from NASA's Hubble Space Telescope. The triple-star system is made up of the variable star HP Tau, HP Tau G2, and HP…

Robotic 'SuperLimbs' could help moonwalkers recover from falls

Published: May 15, 2024 16:43

SuperLimbs, a system of wearable robotic limbs, can physically support an astronaut and lift them back on their feet after a fall, helping them conserve energy for other essential tasks.

What fire ants can teach us about making better, self-healing materials

Published: May 15, 2024 16:43

Fire ants form rafts to survive flooding, but how do those bonds work? And what can we learn from them? A professor is researching those questions to expand our knowledge of materials science.

Making batteries takes a lot of lithium: Some could come from gas well wastewater

Published: May 15, 2024 16:43

A new analysis suggests that if it could be extracted with complete efficiency, lithium from the wastewater of Marcellus shale gas wells could supply up to 40% of the country's demand.

Scientists want to know how the smells of nature benefit our health

Published: May 15, 2024 16:42

Spending time in nature is good for us. And knowing more about nature's effects on our bodies could not only help our well-being, but could also improve how we care for land, preserve ecosystems and design cities, homes and parks. Many studies have focused…

Killer whales breathe just once between dives, study confirms

Published: May 15, 2024 16:42

A new study has confirmed a long-held assumption: that orcas take just one breath between dives. The researchers used drone footage and biological data from tags suction-cupped to 11 northern and southern resident killer whales off the coast of B.C. to…

Animal brain inspired AI game changer for autonomous robots

Published: May 15, 2024 16:42

A team of researchers has developed a drone that flies autonomously using neuromorphic image processing and control based on the workings of animal brains. Animal brains use less data and energy compared to current deep neural networks running on GPUs…

The crystallization of memory: Study reveals how practice forms new memory pathways in the brain

Published: May 15, 2024 16:41

A new study has shown that repetitive practice not only is helpful in improving skills but also leads to profound changes in the brain's memory pathways.

This time, it's personal: Enhancing patient response to cancer immunotherapy

Published: May 15, 2024 16:41

Scientists uncover why cancer patients with ARID1A gene mutations are more likely to respond to immunotherapy, discovering ARID1A mutations invite cancer-fighting immune cells into tumors by triggering an antiviral-like response. Their findings could help…

Heating proteins to body temperature reveals new drug targets

Published: May 15, 2024 16:40

Some proteins shift their shape when exposed to different temperatures, revealing previously unknown binding sites for medications. The findings could revolutionize wide swathes of biology by fundamentally changing how protein structure is studied and…