Scientists are racing to find solutions as Palmer amaranth develops resistance to multiple herbicides, outcompeting crops for resources. The weed's ability to thrive and produce new generations of resistant plants poses significant threats to crop yields.
A new study reveals that higher rainfall does not necessarily equate to higher groundwater recharge, and that aridity and episodicity play a crucial role in determining groundwater replenishment. The research also finds that some sub-Saharan African countries are experiencing declining groundwater levels due to drying climate trends.
A Boston University study finds that laws restricting who can have a gun are most effective in reducing firearm homicides, with different laws more effective in urban and suburban/rural areas. Universal background checks and stringent concealed carry laws show promise in reducing urban and suburban/rural rates.
A study analyzing published research found Nordic walking reduces swelling and improves physical fitness in breast cancer patients. However, more well-designed studies are needed to explore its full potential.
Spin-torque oscillators, used to generate microwaves, are unstable when connected in series due to random fluctuations that can suppress or destroy the oscillations. The new study suggests alternative methods for robust microwave generation on the macro scale.
Adults aged 85 years and older account for the fastest-growing age group in the US, with higher cancer incidence rates but lower screening and treatment rates. The most common cancers among this population are lung, breast, prostate, and colorectum, but late-stage diagnosis and poorer survival outcomes are also reported.
A new study has found that pharmacies are giving out twice as many pill organisers as ten years ago, which can cause harm to some patients. The research team developed guidelines for healthcare teams to identify patients who may benefit from using a pill organiser or alternative solutions.
Tropical Storm Francisco was transitioning into an extra-tropical cyclone as it passed over the Sea of Japan and approached the Korean Peninsula. The storm's strongest winds were initially near the earth's surface, but later shifted to the tropopause as it transformed.
Conversion therapy practices cause significant harm, including depression, suicidal thoughts, and economic burdens. Physicians advocate for education reform to better identify patients who underwent or may be undergoing conversion therapy.
A new study published in Economic Inquiry reveals that marijuana access leads to significant reductions in opioid-related deaths. The research found a decrease of 20-35% in annual opioid mortality rates following recreational marijuana legalization in the US.
A new study found that lower air pollution levels in New York State led to a 67% decrease in premature deaths between 2002 and 2012. Long-term exposure to PM2.5 is linked to respiratory and cardiovascular problems.
The 5-year $50-million strategy aims to overcome challenges with measures like research funding and ageism stigma reduction. Canada needs to learn from provinces and other countries to ensure the strategy's success.
The new bird, Heracles inexpectatus, is twice the size of the critically endangered kakapo and dwarfs its modern cousins. Fossil records show that it weighed around 7 kg and had a massive beak capable of cracking most food sources.
Flossie has weakened into a remnant low-pressure area, with scattered areas of cold clouds in thunderstorms and cloud top temperatures reaching -50 degrees Fahrenheit. The system is moving northwestward and expected to dissipate by Wednesday.
The USPSTF continues to recommend against routine screening for pancreatic cancer in asymptomatic adults due to its poor prognosis. This recommendation is based on the limited effectiveness and potential harms of screening in this population.
Representative John Yarmuth receives the ESA Regional Policy Award for his advocacy on clean water, environmental stewardship, and climate change. The award recognizes his use of ecological science to inform policy decisions.
A Michigan State University team applied metacoupling to analyze socioeconomic and environmental interactions in global soybean trade. The results show that Chinese demand for foreign soybeans affects not only Brazil but also neighboring countries like Paraguay and Argentina.
A streamlined fee waiver process enabled about 73,000 low-income immigrants to become citizens each year, according to a new study from Stanford University's Immigration Policy Lab. The reform replaced a convoluted process with clear guidelines and a simple form, making it easier for those eligible to apply.
NASA's Aqua satellite images show a ring of strong thunderstorms around Lekima's center, with maximum sustained winds near 50 knots. The storm is expected to strengthen into a typhoon and pass over Taiwan before dissipating off China's east coast.
A large longitudinal sleep study found that evening use of nicotine and alcohol within four hours of bedtime was associated with disrupted sleep. In contrast, caffeine consumption did not have a significant impact on sleep parameters. The study's findings suggest that promoting the restriction of evening nicotine and alcohol use may im...
NASA's GPM satellite detected heavy rainfall east of Tropical Storm Krosa's center, falling at a rate of 50 mm/hour over open ocean. The storm was moving northwest and had maximum sustained winds near 40 knots (46 mph) before strengthening into a typhoon.
The American Society of Plant Biologists will establish a mentorship award in honor of legendary plant scientist Winslow Briggs. The award recognizes outstanding commitment to mentoring and supporting next-generation scientists, with the inaugural recipient to chair a symposium at the ASPB annual conference.
A team of researchers has developed a soft neural implant that can be wirelessly controlled using a smartphone, enabling chronic chemical and optical neuromodulation. The device uses replaceable drug cartridges and powerful low-energy Bluetooth for prolonged periods.
A new species of early dinosaur, Ngwevu intloko, has been discovered after being misidentified in the university's fossil vaults. The dinosaur is a bipedal sauropodomorph with a long slender neck and small head, measuring three metres from snout to tail.
A new standard, BIDS, allows researchers to compare and combine studies in an apples-to-apples way. This enables the sharing and analysis of large brain imaging datasets, improving the field's ability to understand brain function.
Researchers identified a link between the kappa opioid receptor and naltrexone's effectiveness in reducing craving and consumption in heavy drinkers. The study suggests that individuals with more kappa opioid receptors may not respond to naltrexone treatment, highlighting the need for personalized treatment approaches.
Engineers create bone-like tissue in a dish to study disease processes and potential treatments for large bone injuries. The material has a 3D mineral structure populated with living cells, providing insights into cancer initiation, metastasis, and bone regeneration.
Scientists have identified the best candidate white dwarfs to hunt for exoplanet cores, which can survive for over 100 million to a billion years. The researchers plan to use radio telescopes to detect radio waves emitted by the cores, potentially leading to breakthrough discoveries.
A new study found that FDG-PET scans are a better indicator of cognitive performance when compared to PET scans that detect amyloid protein. This suggests that FDG-PET is more precise in clinical studies and may be available for routine use at modest costs.
A new mouse model called KPP better mimics human cachexia symptoms, allowing researchers to control when cancer can be triggered. This advancement could lead to novel discoveries and identification of therapeutic targets for this devastating syndrome.
Researchers found that older adults with moderately severe dementia living at home have more chronic conditions, pain, and anxiety than those in nursing homes. However, they also reported higher rates of falls, depression, and poor health. The study emphasizes the importance of improving home-based medical care for these patients.
A new study by TUM researchers suggests that rainforest growth limits are being tested due to insufficient phosphorus. Trees can only absorb additional carbon dioxide if phosphorous is available, leading to a potential 50% decrease in CO2 absorption under increased atmospheric pressure.
Scientists have developed a new strategy for constructing photonic heterostructure crystals with tunable properties, which can absorb and transmit photons. These crystals, in the form of striped rods, exhibit unique fluorescence behavior and serve as a prototype for a logic gate.
A new study of 38,537 persons suggests that the rare APOE-ε2 variant is associated with prolonged survival, contrasting with the more widely studied APOE-ε4 variant. The findings could lead to novel preventive and treatment options for healthy aging and longevity.
Researchers developed a transdermal optical imaging system that uses facial videos to predict blood pressure with high accuracy. The technology has the potential to become an accessible and convenient method for monitoring blood pressure, particularly for individuals who may not follow traditional cuff-based devices.
Researchers found that sharks are much rarer in habitats closer to people and fish markets, with a significant drop in average body size. The study suggests that industrial fishing is the main driver of this decline, which has major implications for ocean ecosystems.
NASA's Aqua satellite detected Tropical Storm Francisco in the Korea Strait, with cloud top temperatures indicating strong storms capable of heavy rain. The storm is located about 33 nautical miles north-northeast of Busan, South Korea, and is expected to move north and then northeast through the Sea of Japan.
A new study found that dietary phosphatidylcholine intake was associated with a 28% lower risk of dementia in men. The study also showed enhanced cognitive performance in those with the highest intake of choline.
Scientists have discovered that ionic thermal up-diffusion can significantly improve the efficiency of nanofluidic salinity gradient energy harvesting by promoting selectivity and suppressing ion concentration polarization. This innovative approach enables the creation of tunable ionic voltage sources, leading to enhanced power output.
Researchers developed a novel, biodegradable larvicide system using thymol from thyme essential oil, which is effective against Aedes aegypti mosquitoes. The system uses microcapsules made of corn starch particles to control the release of larvicide, making it suitable for small water containers and reducing environmental harm.
Researchers at MIT's Picower Institute identified the gene and protein CPG15 that enables brain cells to select permanent synapses based on experience-driven neural activity. Without CPG15, mice exhibit slower learning and reliance on circuit architectures that haven't been refined by experience.
A University of Cincinnati study found that abnormal thyroid function is present in just over 6% of psychiatrically hospitalized youth. The research suggests that targeted screening should focus on patients with a family history of thyroid disease, recent weight gain, or treatment with specific medications.
Researchers explore new tools and strategies to interpret multiomics data, revealing insights into bacterial strains and cancer phenotypes.
The study, published in eLife, reveals that birds adapt their grip by wrapping their toes and curling their claws to stick the landing. Researchers aim to apply this knowledge to develop more nimble flying robots with bimodal capabilities.
A team led by Dr. Mert Atilhan and Dr. Cafer Yavuz developed a new porous polymer that can store natural gas more effectively than current methods. This breakthrough material has the potential to reduce greenhouse gas emissions by storing cleaner-burning fuels, such as natural gas, instead of coal or oil.
Scientists have identified two types of blood clotting proteins found in the urine of patients with lupus nephritis, which can serve as non-invasive biomarkers for early diagnosis and monitoring of the disease. The discovery may lead to improved clinical management and treatment responses.
A University of Technology Sydney study found that a micronized mineral compound reduced asbestos-induced cellular damage in cell lines and significantly slowed MM development in mouse models. The discovery offers new hope for treating MM and asbestosis, two incurable diseases.
The avocado genome has been sequenced, shedding light on its ancient origins and providing a foundation for future improvements to farming. The study reveals that the popular Hass avocado inherited about 61% of its DNA from Mexican varieties and about 39% from Guatemalan ones.
Researchers at Columbia University School of Engineering developed a robotic cane that provides light-touch assistance in walking, improving stability and balance. The device, called CANINE, acts as a mobile assistant to track a person's gait and provide support, resulting in narrower strides and increased gait stability.
A new hormone injection has shown promising results in aiding weight loss and improving blood glucose levels in obese patients. The treatment, which involves infusing three specific hormones, led to an average weight loss of 4.4kg and near-normal blood glucose levels in patients.
Researchers found that infants colonized with C. difficile developed antibodies in their blood that neutralized toxins, suggesting a natural immunization occurs. This immune response may provide protection against the infection later in childhood.
A University of Oklahoma team has developed a mathematical framework for quantitatively assessing ecological diversity in dynamic communities. The framework, which considers both deterministic and stochastic forces, provides a robust tool for ecologists to evaluate the relative contribution of these forces.
Researchers at Stanford University found that Pivotal Response Treatment (PRT) is more effective than existing therapies at motivating children with autism to speak. The treatment involves parents setting up situations where their child is motivated to communicate, leading to improved communication skills and broader social abilities.
A study found that only 1 in 6 teacher questions were considered challenging, with researchers aiming for a ratio of 2 in 5. Teachers can enhance learning by asking open-ended 'why' and 'how' questions. This encourages children to use longer sentences and more complex language.
Research reveals babies born to mothers with gestational diabetes treated with metformin have lower birthweight but increased weight at 18-24 months. Nutritional supplements for pregnant women improve infant immune response, highlighting the impact of mother's nutritional status on child health.
A study led by UCSF found that advanced sleep phase, where people wake up at 4 a.m., may be more common than previously thought, affecting around 1 in 300 adults. This condition is distinct from early rising with normal aging and can improve daytime functioning.
Researchers have confirmed that ions can be heated by plasma oscillations driven by high-energy particles using a new hybrid-simulation program. This breakthrough accelerates studies of plasma self-heating for realizing fusion energy.
Researchers found that deregulated mTOR leads to decreased autophagy, causing accumulation of damaged organelles and promoting crystal-cell interactions. An mTOR inhibitor alleviates these effects, suggesting that targeting this pathway may prevent or treat kidney stones.
A study explores blood-brain barrier leakage in CNS infections, implicating interferon gamma as a major contributor. Interferon gamma disrupts the barrier by initiating a signaling cascade that changes endothelial cell behavior.
Research in International Security reveals how powerful states exert leverage over key products and services to coerce other nations, challenging traditional globalization narratives. This phenomenon of 'weaponized interdependence' has significant implications for international relations and global economic networks.