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NASA·USGS·WHO 등 과학·연구·보건 기관의 공식 자료. Public Domain / WHO 라이선스로 본문 직접 표시.

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Landscape water velocities across Europe reshape nitrogen pollution risk under climate change

Nitrate pollution is a growing global environmental challenge due to the extensive use of fertilizer. A study published in Science, led by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) with the Helmholtz Center for Environmental Research (UFZ), shows that both the amount of water moving through landscapes and how fast it moves play a key role in nitrogen pollution risk.

Phys.org

Nuclear clocks tick for the first time

Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, developed by Beichen Huang and colleagues at Tsinghua University and by Luca Toscani De Col and colleagues at the Vienna Center for Quantum Science and Technology in Austria, exploit the nucleus of a thorium-229 atom to keep time with extraordinary precision—possibly surpassing even the best atomic clocks available today.

Medical Xpress

Hiding who you are can take a toll on mental health

The decision to reveal or conceal a core part of one's identity may seem like a small, everyday choice. But new research from the University of Michigan suggests those moments can have meaningful consequences for emotional well-being.

Medical Xpress

Metal-free carbon monoxide prodrugs may help prevent cancer's deadly spread

A carefully designed metal-free carbon monoxide prodrug—an inactive compound that is converted into its active form in the body—may help prevent some of the deadliest forms of cancer from spreading, according to researchers at Weill Cornell Medicine. Their recent preclinical study, published in Advanced Science, offers a new strategy to potentially reduce the recurrence of pancreatic and triple-negative breast cancer in patients who initially respond to treatment.

Phys.org

Carbon dioxide unlocks safer oxidation chemistry under room-temperature conditions

Oxidation reactions are indispensable to the chemical industry, but from a process safety perspective, they are among the most challenging transformations. A research team at the University of Bayreuth, working in collaboration with international partners, has now introduced a fundamentally new approach to oxidation reactions in which carbon dioxide is used as the oxygen source for chemical synthesis. This makes the reaction both safer and more sustainable. The researchers report on this new approach in Science.

Phys.org

Horse owners' personality and attachment style shape how they interact with and care for their horses

A new study shows that horse owners' psychological characteristics, including their attachment styles and personality traits, are systematically linked to how frequently they ride, train, and spend quality time with their horses, as well as the equipment they choose to use. The findings offer new insights into how human psychology shapes horse welfare and management.

Medical Xpress

Chronic pain acceptance may reduce link between pain intensity and alcohol use severity among veterans

Accepting chronic pain—being willing to experience pain while maintaining valued activities—may protect against higher alcohol use severity among veterans with chronic musculoskeletal pain, according to a preliminary study. More than 1 in 4 U.S. veterans report drinking at levels that increase the risk of alcohol-related harms, and 1 in 3 experiences chronic pain. The conditions commonly overlap among veterans, and possibly also in the brain, with some research pointing to shared neurobiological pathways affecting stress and reward signaling.

Phys.org

Engineered bacterium turns potato starch into biodegradable plastic in 24 hours

Every year, hundreds of millions of tons of petrochemical-based plastics are produced, much of which ends up in the environment or is incinerated. This exacerbates greenhouse gas emissions and the environmental crisis caused by plastic pollution. Now, a study led by the University of Barcelona has produced a biodegradable bioplastic of high industrial value—polyhydroxybutyrate, or PHB—from unprocessed potato starch in a single 24-hour step, a strategic breakthrough that could help reduce dependence on oil and the volume of persistent plastic waste.

Medical Xpress

Shorter clinical trials of medication for alcohol use disorder can be as useful or more useful than longer trials

Randomized control trials that are shorter than 12 weeks show similar results to longer trials when assessing a new medication's effectiveness in helping someone with alcohol use disorder reduce or stop drinking. And in trials where the medication showed significant effects, trials lasting 12 weeks or shorter produced more reliable results than longer trials, according to a meta-analysis of clinical trials published in Alcohol: Clinical and Experimental Research. Currently, the US Food and Drug Administration recommends clinical trials of alcohol use disorder medications last at least six months. The authors of the analysis recommend that regulators and researchers consider shorter duration trials, which reduce burden and risk for trial participants and lower research costs.

Phys.org

Dragonfly and damselfly migrations crisscross planet, with 100 species confirmed

Migration flights of dragonflies and damselflies crisscross much of our planet, new research reveals. Scientists from the universities of Exeter and Lund reviewed global evidence and found 100 dragonfly and damselfly species that migrate, and a further 85 possible migratory species. This means that only 1.5% of all dragonfly and damselfly species migrate (or 2.9% including possible migrants)—but the migrations can include millions of individuals, and some travel thousands of kilometers. The study is published in Biological Reviews.

Medical Xpress

Health 'war room,' digital tools are tracking disease risks during World Cup

With 48 teams competing across 16 host cities in the U.S., Canada and Mexico, tracking the health and location of World Cup players and fans is a logistical challenge that public health experts want to get a handle on.

Phys.org

Climate change is causing fish to move to cooler water—what if their escape route is blocked?

Around the world, ocean warming is causing fish to move poleward in search of cooler water.

Medical Xpress

Early heart changes may predict cancer years before diagnosis, long-term study suggests

A new study led by UCLA Health physician-scientists suggests that subtle changes in heart structure and function may signal an increased risk of developing certain cancers years later. The findings, published in the Journal of the American Heart Association, could eventually help physicians identify patients who may benefit from earlier prevention strategies aimed at both cardiovascular disease and cancer.

NASA General Feed

NASA to Cover 34th SpaceX Resupply Mission Space Station Departure

NASA and its international partners are set to receive scientific research samples and hardware as a SpaceX Dragon spacecraft is scheduled to depart the International Space Station on Tuesday, June 16, for its return to Earth. Watch NASA’s live undocking coverage beginning at 11:45 a.m. EDT on NASA+, Amazon Prime, and the agency’s YouTube channel. […]

Medical Xpress

A higher-dose flu shot could spare millions of older adults a hospital stay

Influenza is a seasonal condition that causes coughing, sneezing, mild fever and aches in most cases. However, it can sometimes take a serious turn, leading to hospitalization, especially for young children, adults over 65 and pregnant people. A recent study published in JAMA Network Open examined whether the high-dose inactivated influenza vaccine (HD-IIV), which contains four times as much antigen as the standard dose, offers superior protection against hospitalization and death.

Phys.org

AI tracks missing hydrogen atoms in crystals with 97% success rate

Artificial intelligence is often used to generate images. In research, specialized AI models are used for scientific applications—for example, to predict the positions of atoms in materials. The MatterGen model developed by Microsoft can generate complex crystal structures from just a few pieces of information—which atoms should be present and in what proportions—and researchers can then use these structures for computer simulations of new materials.

Medical Xpress

Blood antibody levels could clarify long COVID prognosis and memory problems

Persistent symptoms after COVID-19 infection continue to affect millions of people worldwide, even as the number of acute infections has declined. Long COVID (LC) can cause fatigue, headaches, sleep disturbances, breathing difficulties and cognitive problems commonly described as "brain fog."

STAT News

STAT+: Up and down the ladder: The latest comings and goings

From new hires to departures, promotions and transfers, here are the latest comings and goings in the pharmaceutical industry.

NASA Science

HWO Detector System Development Study Request for Proposals

The Habitable Worlds Observatory Technology Maturation Project Office and Columbus Technologies are excited to invite you to participate in a Detector System Development Study focused on developing critical detector technologies for the Habitable Worlds Observatory. The post HWO Detector System Development Study Request for Proposals appeared first on NASA Science.

NASA Science

Ad ASTRA Community Science Workshop Updates

As we prepare for our Ad ASTRA Community Science workshop, we are writing to share important updates regarding the agenda structure and instructions for abstract submissions. The post Ad ASTRA Community Science Workshop Updates appeared first on NASA Science.

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