Ultrasound can be used as search and rescue tool for the brain

Scientists highlighted the potential for ultrasound to treat some of the more complex health conditions affecting the human brain.

source https://www.sciencedaily.com/releases/2024/10/241029143822.htm

Strategy to reduce the amount of propofol waste in the operating room

Propofol is used in the operating room to induce anesthesia. To maintain anesthesia, a continuous infusion of the agent via a separate syringe pump is the standard procedure for total intravenous anesthesia. However, this is not entirely sustainable: propofol produces about 45 percent of the drug waste in the operating room, and a quarter of the agent remains unused. Researchers have now shown that an alternative method reduces the amount of waste.

source https://www.sciencedaily.com/releases/2024/10/241029120851.htm

Making 'scents' of aromas that differentiate beer and wine

Today, people increasingly seek non-alcoholic versions of beer or wine. Despite boasting different flavors, these two drinks share many aromas, which makes it difficult to produce alcohol-free versions that mimic the real thing. Researchers report on a literature analysis and experiment to characterize the chemical compounds that give beer and wine their unique fragrances. They say their findings could aid the development of flavorful, non-alcoholic substitutes.

source https://www.sciencedaily.com/releases/2024/10/241029120757.htm

Scientists create geochemical fingerprints

Using new technology, researchers have been able to confirm the location of the world's oldest ochre mine and trace how ochre from the mine was dispersed to nearby communities.

source https://www.sciencedaily.com/releases/2024/10/241028131603.htm

Why langurs drink salt water

A new study shows the remarkable adaptability of the critically endangered Cat Ba langurs. Despite low genetic diversity, the langurs have retained key genetic traits that help them survive in their isolated environment on Cat Ba Island in Vietnam. One of these remarkable adaptations is the ability to drink salt water.

source https://www.sciencedaily.com/releases/2024/10/241028131601.htm

Wells

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8 Oldest Trees in the World

Those who grew up on a farm or in a rural setting can testify that trees have some of the longest lifespans. According to arborists,...

The post 8 Oldest Trees in the World first appeared on KickassFacts.

source https://www.kickassfacts.com/8-oldest-trees-in-the-world/

Melting Arctic sea-ice could affect global ocean circulation

The warming climate in polar regions may significantly disrupt ocean circulation patterns, a new study indicates. Scientists discovered that in the distant past, growing inflows of freshwater from melting Arctic sea-ice into the Nordic Seas likely significantly affected ocean circulation, sending temperatures plummeting across northern Europe.

source https://www.sciencedaily.com/releases/2024/10/241027205850.htm

Political polarization poses health risks, new analysis concludes

A new analysis shows that political polarization also poses significant health risks -- by obstructing the implementation of legislation and policies aimed at keeping Americans healthy, by discouraging individual action to address health needs, such as getting a flu shot, and by boosting the spread of misinformation that can reduce trust in health professionals.

source https://www.sciencedaily.com/releases/2024/10/241025122616.htm

Common drug shows promise in extending lifespan

Scientists say mifepristone, used in cancer and reproductive care, could pave the way for anti-aging treatments.

source https://www.sciencedaily.com/releases/2024/10/241024132042.htm

Reminders can eliminate age-related symptoms of decline in memory

A new study reveals that setting reminders can eliminate some age-related declines in memory. The findings offer a significant breakthrough in addressing the cognitive challenges faced by older adults, particularly in the context of prospective memory, which is the ability to remember to perform an intended action at the right moment, like taking medication or attending appointments.

source https://www.sciencedaily.com/releases/2024/10/241024130600.htm

Room temperature electrical control could heat up future technology development

An old physical phenomenon, known as the Hall effect, has revealed some new tricks. New findings have potential implications for understanding fundamental physics of quantum materials and developing applied technologies such as quantum communication and harvesting energy via radio frequencies.

source https://www.sciencedaily.com/releases/2024/10/241024130553.htm

'Human mini-brains' reveal autism biology and potential treatments

By creating personalized brain 'organoids' in the lab, scientists showed how microRNAs impact brain development, and demonstrate how one drug can reverse critical cellular signs of autism.

source https://www.sciencedaily.com/releases/2024/10/241023171553.htm

Researchers show why cannabis policies should shift to a harm reduction, health promotion approach to safeguard public health

A new paper explains why there needs to be a shift in cannabis policies to a public health approach as opposed to the prevailing, more punitive approach that pushes abstinence instead of public education. With cannabis now legal to some extent in most U.S. states, the authors say the case for such a shift is all the more urgent.

source https://www.sciencedaily.com/releases/2024/10/241023171548.htm

Reaction conditions tune catalytic selectivity

Chemists have developed a new theoretical framework for more accurately predicting the behavior of catalysts. The study reveals how conditions such as temperature and pressure can change a catalyst's structure, efficiency, and even the products it makes -- and can potentially be used to control reaction outcomes.

source https://www.sciencedaily.com/releases/2024/10/241022153943.htm

Get a grip: The best thumb position for disc launch speed and spin rate

Disc golf is a sport growing in popularity, but there hasn't been much research into the best techniques -- until now. Researchers and disc golf enthusiasts have determined the best thumb position on a disc to maximize angular and translational speeds.

source https://www.sciencedaily.com/releases/2024/10/241022153937.htm

Combining satellite methods provides drought detection from space

Observing sites like the Amazon basin from space has underscored the capability of satellites to better detect signs of drought, according to a new study. The researchers combined Global Positioning System (GPS) and the Gravity Recovery and Climate Experiment (GRACE methods to improve monitoring of hydrological droughts.

source https://www.sciencedaily.com/releases/2024/10/241021123324.htm

When hurricanes hit, online chatter drowns out safety messaging

Research shows, during four recent major hurricanes, important public safety messaging was drowned out by more trivial social content--including people tweeting about pets, sharing human-interest stories, or bickering about politics. That's a big problem for officials working to understand where help is needed and to communicate effectively with people impacted by disasters.

source https://www.sciencedaily.com/releases/2024/10/241017172940.htm

Smaller, more specific academic journals have more sway over policy

Journals focused on ferns, clams, or coral reefs had proportionally more of their articles cited by the federal government when protecting species than more prominent, higher-impact journals. The naturalist stepping through old-growth forest collecting fern samples is the most likely to observe subtle species and habitat changes on the ground and find an outlet in a specialized journal willing to publish a species-specific article.

source https://www.sciencedaily.com/releases/2024/10/241017172948.htm

Plankton balloon to six times their size in newly discovered mode of oceanic travel

Many plankton journey from the cold, dark depths of our oceans to the surface, only to eventually drift down again into the darkness in a perpetual rhythm. Yet, how single-celled phytoplankton, most of which have no appendages to help them swim, make this pilgrimage has remained a mystery. Researchers now describe a species of bioluminescent phytoplankton, called Pyrocystis noctiluca, that balloons to six times their original size of a few hundred microns. This massive inflation allows the plankton to journey up to 200 meters toward the ocean's surface to capture sunlight, then sink back showcasing a unique strategy for long-distance ocean travel.

source https://www.sciencedaily.com/releases/2024/10/241017112220.htm

Biomarker may predict immunotherapy response in liver cancer

It may soon be possible to determine which patients with a type of liver cancer called hepatocellular carcinoma would benefit from immunotherapy, according to a preclinical study.

source https://www.sciencedaily.com/releases/2024/10/241017112207.htm

Controlling prosthetic hands more precisely by the power of thought

Researchers have developed a novel training protocol for brain-computer interfaces in a study with rhesus monkeys. The method enables precise control of prosthetic hands using signals from the brain alone. Researchers were able to show that the neural signals that control the different hand postures in the brain are primarily important for this control, and not, as previously assumed, signals that control the movement's velocity. The results are essential for improving the fine control of neural hand prostheses, which could give paralyzed patients back some or all of their mobility (Neuron).

source https://www.sciencedaily.com/releases/2024/10/241017112732.htm

New research reveals how large-scale adoption of electric vehicles can improve air quality and human health

A new study suggests that large-scale adoption of electric vehicles (EVs) could lead to significant population-level health benefits. The research team used computer simulations to show that aggressive electrification of the U.S. vehicle fleet, coupled with an ambitious rollout of renewable electricity generation, could result in health benefits worth between US$84 billion and 188 billion by 2050. Even scenarios with less aggressive grid decarbonization mostly predicted health benefits running into the tens of billions of dollars.

source https://www.sciencedaily.com/releases/2024/10/241015183510.htm

Male mice use female mice to distract aggressors and avoid conflict

Researchers tracked the behavior of mice using machine learning to understand how they handle aggressive behavior from other mice. The researchers' findings show that male mice deescalate aggressive encounters by running over to a female mouse to distract the aggressive male mouse.

source https://www.sciencedaily.com/releases/2024/10/241015141014.htm

Bad Map Projection: The United Stralia

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Alzheimer's disease may damage the brain in two phases

Alzheimer's disease may damage the brain in two distinct phases, based on new research using sophisticated brain mapping tools. According to researchers who discovered this new view, the first, early phase happens slowly and silently -- before people experience memory problems -- harming just a few vulnerable cell types. In contrast, the second, late phase causes damage that is more widely destructive and coincides with the appearance of symptoms and the rapid accumulation of plaques, tangles, and other Alzheimer's hallmarks.

source https://www.sciencedaily.com/releases/2024/10/241015141019.htm

Simulated mission to Mars: Survey of lichen species

A collection-based survey of lichen species at the Mars Desert Research Station in Utah, USA and Flashline Mars Arctic Research Station in Nunavut, Canada was conducted as part of the Mars-160 mission, a simulation of Martian surface exploration. The survey identified 48 lichen taxa, with 35 species from the Utah site and 13 species from the Canadian site.

source https://www.sciencedaily.com/releases/2024/10/241011141538.htm

Smaller vial size for Alzheimer's drug could save Medicare hundreds of millions per year

Medicare could save up to 74% of the money lost from discarded Alzheimer's drug lecanemab by the simple introduction of a new vial size that would reduce the amount of unused medication that is thrown away. As it is, nearly 6% of the medication is discarded, costing Medicare $1,600 per patient per year.

source https://www.sciencedaily.com/releases/2024/10/241014210332.htm

What Causes Motion Sickness?

It’s not strange to run into a passenger suffering from motion sickness. This is actually a pretty common condition that affects millions of people worldwide....

The post What Causes Motion Sickness? first appeared on KickassFacts.

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Ravioli-Shaped Objects

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Liftoff! NASA's Europa Clipper sails toward ocean moon of Jupiter

NASA's Europa Clipper has embarked on its long voyage to Jupiter, where it will investigate Europa, a moon with an enormous subsurface ocean that may have conditions to support life. The largest spacecraft NASA ever built for a mission headed to another planet, Europa Clipper also is the first NASA mission dedicated to studying an ocean world beyond Earth.

source https://www.sciencedaily.com/releases/2024/10/241014145904.htm

Students who feel more university connection may be more likely to binge drink, study finds

Mentally healthy college students who felt connected to their university were more likely to binge drink than those who did not feel connected to their university, according to a new study.

source https://www.sciencedaily.com/releases/2024/10/241010142540.htm

12 Lesser-known Uber Facts

Taxis have been around for decades, helping people commute conveniently. Most people prefer them because taxis are a bit more private compared to other means...

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Bilingualism makes the brain more efficient, especially when learned at a young age

A new study from The Neuro (Montreal Neurological Institute-Hospital) of McGill university, the University of Ottawa and the University of Zaragoza in Spain elaborates on bilingualism's role in cognition, showing increased efficiency of communication between brain regions.

source https://www.sciencedaily.com/releases/2024/10/241010142538.htm

Adding vagus nerve stimulation to training sessions may boost how well sounds are perceived

Just as a musician can train to more sharply distinguish subtle differences in pitch, mammals can improve their ability to interpret hearing, vision, and other senses with practice. This process, which is called perceptual learning, may be enhanced by activating a major nerve that connects the brain to nearly every organ in the body, a new study in mice shows.

source https://www.sciencedaily.com/releases/2024/10/241009122310.htm

Ultra-sensitive robotic 'finger' can take patient pulses, check for lumps

Researchers have developed a soft robotic 'finger' with a sophisticated sense of touch that can perform routine doctor office examinations, including taking a patient's pulse and checking for abnormal lumps.

source https://www.sciencedaily.com/releases/2024/10/241009121335.htm

Nature and plastics inspire breakthrough in soft sustainable materials

Using peptides and a snippet of the large molecules in plastics, materials scientists have developed materials made of tiny, flexible nano-sized ribbons that can be charged just like a battery to store energy or record digital information.

source https://www.sciencedaily.com/releases/2024/10/241009121344.htm

Another step towards decoding smell

We often only realize how important our sense of smell is when it is no longer there: food is not as tasty as it once was, or we no longer react to dangers such as the smell of smoke. Researchers have investigated the neuronal mechanisms of human odor perception for the first time. Individual nerve cells in the brain recognize odors and react specifically to the smell, the image and the written word of an object, for example a banana. The results of this study close a long-standing knowledge gap between animal and human odor research.

source https://www.sciencedaily.com/releases/2024/10/241009121121.htm

CIDABM

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Climate report warns of escalating crisis, urges immediate action as UN summit nears

An international coalition of scientists concludes that the Earth's worsening vital signs indicate a 'critical and unpredictable new phase of the climate crisis' and that 'decisive action is needed, and fast.'

source https://www.sciencedaily.com/releases/2024/10/241008103757.htm

Protecting confidentiality in adolescent patient portals

Researchers found that the possibility of parental disclosure through online patient portals led older adolescents to hesitate in sharing complete health information with doctors, putting them at risk of missed diagnoses and treatments. The paper noted that confidentiality concerns were increased among females and those who are sexual and gender minorities.

source https://www.sciencedaily.com/releases/2024/10/241007114812.htm

Cancer biologists discover a new mechanism for an old drug

Doctors have long believed the cancer drug 5-fluorouracil works by damaging the building blocks of DNA, but researchers have now found that in certain cancers, it kills cells by interfering with RNA synthesis. The findings could help researchers design better drug combinations for colon and gastrointestinal cancers.

source https://www.sciencedaily.com/releases/2024/10/241007114913.htm

After injury, these comb jellies can fuse to become one

Researchers have made the surprising discovery that one species of comb jelly (Mnemiopsis leidyi) can fuse, such that two individuals readily turn into one following an injury. Afterwards, they rapidly synchronize their muscle contractions and merge digestive tracts to share food.

source https://www.sciencedaily.com/releases/2024/10/241007114928.htm

16 Intriguing Cockroaches Facts

Cockroaches are considered disgusting and dirty. This is why the first thing that comes to mind when you spot a cockroach is how to get...

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Why Does Freshly Cut Grass Smell So Good?

Anyone who was raised in the suburbs or was lucky enough to have a lawn, no matter how small, can remember the aromatic smell of...

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Role of gamma-delta T cells in cancer immunology

A new study reveals critical insights into the role of gamma-delta T cells across 33 cancer types, shedding light on their potential as clinical biomarkers and therapeutic targets in cancer treatment. This comprehensive analysis represents a significant advancement in the understanding of these unique immune cells and their implications for patient outcomes in cancer therapy.

source https://www.sciencedaily.com/releases/2024/10/241004121653.htm

Our brains divide the day into chapters: New psychology research offers details on how

Mindset and expectations, not just the external environment, shape the 'table of contents' into which our brains organize the day.

source https://www.sciencedaily.com/releases/2024/10/241003123119.htm

Smoke from megafires puts orchard trees at risk

Exposure to megafire smoke can reduce yields of almond, walnut and pistachio trees. Study shows smoke reduces a tree's energy reserves long after a fire ends.

source https://www.sciencedaily.com/releases/2024/10/241002104512.htm

Indigenous U.S. farm workers face greater job-related pain compared to undocumented peers

Farming is a notoriously hard profession with long hours spent operating dangerous equipment and performing other arduous tasks. New research finds that indigenous farm employees -- many of whom have legal status in the U.S. after moving from Latin America -- may experience more physical pain on the job than undocumented workers.

source https://www.sciencedaily.com/releases/2024/09/240930160217.htm

Scientists discover planet orbiting closest single star to our Sun

Astronomers have discovered an exoplanet orbiting Barnard's star, the closest single star to our Sun. On this newly discovered exoplanet, which has at least half the mass of Venus, a year lasts just over three Earth days. The team's observations also hint at the existence of three more exoplanet candidates, in various orbits around the star.

source https://www.sciencedaily.com/releases/2024/10/241001114845.htm

Asteroid Ceres is a former ocean world that slowly formed into a giant, murky icy orb

A crater-rich dwarf planet named Ceres located in the main asteroid belt between the orbits of Mars and Jupiter was long thought to be composed of a materials mixture not dominated by water ice. Researchers at Purdue used data from NASA's Dawn mission to show that Ceres' crust could be over 90 percent ice.

source https://www.sciencedaily.com/releases/2024/09/240927173206.htm