New observations suggest dark matter may only interact through gravity, contradicting previous findings. Researchers used the Atacama Large Millimetre Array to study a galaxy cluster and found no separation between dark matter and its surrounding galaxy.
Tropical Cyclone Iris is weakening and moving away from the Queensland coast as it continues to move southeast. The cyclone's wind speeds decreased to 52 mph near its center, with cloud top temperatures indicating potential for heavy rainfall.
A new pesticide, Sivanto, manufactured by Bayer AG, has been found to negatively impact honeybees' taste, learning, and memory capabilities. While proper use of the pesticide reduces negative effects, further research is needed to examine its influence on motor function, waggle dance, or orientation.
Experts argue that scientific progress can generate harm, while researchers propose a revised standard for disclosing incidental findings. Bioethicist Daniel Callahan also suggests delaying technological innovation to consider its consequences. Additionally, experts like Sean Philpott-Jones advocate for concrete policy measures on gun ...
Researchers found higher levels of vitamin D binding protein in children with bipolar disorder compared to those without mood disorders. The study suggests a potential blood test to confirm bipolar diagnosis, which could improve care and reduce the current 10-year average lag time.
A new species of butterfly, Cyllopsis tomemmeli, has been recognized as a distinct species nearly 60 years after it was first collected by Thomas Emmel in 1959. The discovery highlights the value of museum collections and the importance of preserving specimens for future study.
GABA is crucial for maintaining and potentially generating new beta cells, as well as regulating insulin secretion in type 2 diabetes. The anti-inflammatory effect of GABA also shields pancreatic islets from toxic white blood cells, protecting beta cells.
Evan Y. Snyder, a leading researcher on stem cells and neural development, has been elected to the Association of American Physicians for his groundbreaking contributions to human health. He will be inducted at the AAP annual meeting on April 21, 2018.
Researchers found that a specific set of brain cell signals, involving dopamine and estrogen receptor alpha, trigger a mother's instinct to retrieve her offspring. The study's findings may explain human maternal behaviors like breastfeeding and could lead to new ways to support mothers with infant care challenges.
Researchers at UCLA have developed a new method that enables them to observe astrocytes' influence on nerve-cell communication in real time, shedding light on their role in neurological disorders such as Alzheimer's and Huntington's disease.
A Montana State University researcher found that LGBQ students are 7% less likely to complete their STEM degree than heterosexual peers. Despite this, nearly 50% of LGBQ undergraduates reported working in a lab or doing fieldwork, suggesting a commitment to the field.
Researchers studying the Black Sea's oxygen-deprived waters found that chemical and biological processes similar to those in the deep ocean occur. This provides new insights into the ocean's role as a storage reservoir for carbon, helping to dampen the effects of human-driven climate change.
A systematic review of 23 studies on happiness and physical activity found a positive association between exercise and happiness. Regular physical activity is essential for happiness, and even small changes can make a difference.
Researchers at KAUST have developed a printable magnetic substrate that can be used to produce radio frequency devices with adjustable capacity and frequency tuning. The innovative technology uses iron-based nanoparticles in an ink-like substance to create antennas with improved performance and lower costs.
A study led by Columbia University astrophysicists has found a dozen black holes gathered around Sagittarius A*, the supermassive black hole at the center of the Milky Way Galaxy. The discovery confirms a major theory and opens up new opportunities to understand the universe.
A three-month project by Queensland Ballet and QUT found participants experienced higher energy levels, greater flexibility, improved posture, and enhanced sense of achievement. Ballet participation was also linked to a general feeling of wellbeing and social connections.
The Carnegie Mellon Power Sector Carbon Index reports a 26.8% decline in emissions intensity from 2005 levels, with natural gas and renewables displacing coal as primary energy sources. The index also provides regional insights and international expansion, offering objective data for policy makers and regulators
Researchers at University of Illinois develop bio-inspired camera that uses polarization patterns to estimate sun's heading and elevation angle, allowing for accurate underwater GPS location. The technology has potential applications in marine navigation, pollution research, and studying migratory behavior of marine animals.
Researchers at Cornell University have made a breakthrough in controlling atomically thin magnets using an electric field, opening the door to more powerful and efficient data storage. This technology has the potential to replace current methods that consume electrical power and create heat.
The gonorrhea bacterium has developed resistance to multiple antibiotics, with ceftriaxone being the last effective option. Researchers identified mutations that enable resistance to ceftriaxone, which also impairs growth rate, but lab experiments showed resistant strains can quickly outcompete non-resistant strains.
The Christian Doppler lab will develop methods and techniques for quality assurance in autonomous systems, including autonomous vehicles and Smart Production. The goal is to ensure software quality and guarantee safety.
Scientists have developed a method to combine up to eight different metals in a single nanoparticle, creating stable alloys with useful applications in the chemical and energy industries. The new technique uses shock waves to heat and cool the metals, producing homogeneous nanoparticles with broad catalytic properties.
A new study found that relaxation response training can help reduce blood pressure in hypertensive patients by altering gene expression. The study identified key genes linked to immune regulation, metabolism, and circadian rhythm as critical for blood pressure reduction.
A team of scientists has uncovered the molecular details of protein crystal nucleation, a process with great medical and scientific relevance. They developed a new methodology to study this elusive system, providing insights into polymorph selection and guiding the crystallization process to produce desired crystal forms.
A study found that postnatal Zika virus infection in rhesus macaque infants resulted in persistent brain structure and function abnormalities, as well as behavioral and emotional changes. The researchers recommend long-term clinical monitoring for affected infants.
Researchers at RIKEN Center for Sustainable Resource Science discovered a small hormone, CLE25, that moves from roots to leaves to prevent water loss. The study shows how CLE25 induces ABA synthesis and closes pores in leaf surfaces.
Researchers at Boston Children's Hospital describe an innovative approach that boosts neutrophil strength and kills bacteria more effectively, while minimizing lung tissue damage. By inhibiting IP6K, a key enzyme, the immune system produces 'super' neutrophils that actively kill bacteria without causing excessive inflammation.
Researchers at Cardiff University have discovered a significant scarcity of phosphorus in cosmic supernovae, which could pose a challenge to the existence of life beyond Earth. The finding suggests that material blown out into space by these stellar explosions may vary dramatically in chemical composition.
A new approach to treating malignant pleural effusion in cancer patients combines talc with an indwelling pleural catheter, allowing for effective home-based treatment. The study found that patients treated with this combination were more than twice as likely to have their fluid dry up compared to those treated with IPC alone.
Researchers found that recovering gold, copper and other metals from e-waste is more cost-effective than obtaining them from mines. The study estimated that urban mining could save up to 13 times the cost of traditional mining methods.
New research shows that regular muscle stretching can improve blood flow to muscles of the lower leg in elderly people with reduced mobility. This non-invasive exercise technique may help alleviate lower leg problems, such as pain or weakness, and increase walking function in individuals with peripheral artery disease.
The TrueBrainConnect project aims to develop complex models capable of predicting different mental states based on EEG data. The researchers hope to identify early precursors of disease and delineate different types of dementia, leading to improved prognosis for neurological disorders.
A recent study revealed a dramatic rise in extreme floods on the Mississippi River over the past century, largely due to human modifications such as artificial levees. The research also uncovered a link between flooding and natural fluctuations in Pacific and Atlantic Ocean water temperatures.
The Biochemical Society has announced the winners of its annual awards, recognizing established and early-career researchers in cell biology, endocrinology, and plant sciences. The award recipients include Dr Melina Schuh, Professor Dame Caroline Dean, and Professor R. John Ellis.
A comprehensive analysis of global data shows that taxes on unhealthy products have the potential to reduce deaths from non-communicable diseases by a third by 2030. Implementation of these taxes can provide financial protection through tax-financed health care and social health insurance programmes.
Researchers found that roasting cocoa beans at optimal temperatures can boost polyphenol content and anti-pancreas-lipase activity while maintaining flavor profile. This study challenges previous findings on the negative impact of roasting on health benefits.
A new study reveals that biodiversity on mountain peaks in Europe is increasing at an accelerated rate, with plants colonizing higher altitudes in response to warmer temperatures. This trend suggests a risk of disrupting mountain ecosystems as certain species may not be able to adapt to changing conditions.
Columbia University engineers develop a novel approach to growing mature human heart muscle from blood-derived stem cells, achieving critical hallmarks of adult human heart function in just four weeks. The technique involves applying physical conditioning and electromechanical stimulation to drive rapid maturation of the tissue.
Researchers aim to develop an optimized cell-free platform to speed up synthetic biology design-build-test-analyze cycles, enabling faster characterization of novel and improved pathways. The proposed technology leverages advances in DNA synthesis, cell-free biosynthesis capabilities, and genome engineering tools.
Researchers used MRIs to show that babies with fragile X syndrome had less-developed white matter compared to infants without the condition. The study identified 12 fiber tracts with significant differences in development, which could serve as an objective marker for treatment effectiveness.
A team of researchers at UCSB has developed a retinal implant to replace support cells damaged by dry AMD. The phase 1/2A trial showed improvement in one patient's vision while maintaining the condition of others.
Researchers have created a novel approach to restoring hearing by attaching bio-conjugated molecules to the cochlea, the shell-shaped ear bone. The molecules stimulate cell growth and connectivity in damaged inner ear cells, potentially treating hidden hearing loss and tinnitus.
A new study published in the Journal of Pediatrics found that children as young as 8 years old with obesity are at risk for nonalcoholic fatty liver disease. Elevated waist circumference at age 3 and increased weight gain between ages 3 and 8 are associated with higher levels of a liver enzyme called ALT.
A new technique uses satellite data and machine learning to distinguish between corn and soybean fields in Illinois, providing accurate crop type data every two months. The researchers used Landsat satellites and a deep neural network to analyze the data, showing promise for future innovations in agricultural applications.
A recent study found that immigrant youth from specific racial-ethnic groups in the US have lower rates of certain mental disorders compared to their non-immigrant peers. The study examined the lifetime prevalence of mood, anxiety, and behavior disorders among 6,250 adolescents aged 13 to 18 years.
A study on Caenorhabditis elegans reveals a gene that regulates exploration and homeboding in worms, which also exists in the human genome. This gene responds to adrenaline and is linked to behavior in mice, with implications for understanding parental behavior in humans.
Researchers have determined the structure of a photosynthetic LH1-RC complex from the bacterium Blastochloris viridis, which can harness and use light at wavelengths over 1,000 nm. This breakthrough reveals how the protein converts near-infrared light into an electrical charge to power cell metabolism.
A study published in The Journal of Bone & Joint Surgery found that scoliosis surgery significantly improves the quality of life for children with severe cerebral palsy and their caregivers. The procedure reduces spinal curvature and leads to long-term gains in personal care, positioning, and comfort.
A 7-year follow-up study found that intensive meditation training maintains cognitive gains in sustained attention, with potential implications for human cognition and brain function. Regular meditators who practiced an hour a day on average maintained cognitive gains and resisted age-related decline.
Researchers report successful cataract surgeries in 34 Ebola survivors, improving visual acuities from Hand Motions to 20/30 levels. The study provides evidence for safe elective eye surgery in Ebola survivors at risk of uveitis and vision impairment.
USC Roski Eye Institute researchers develop a stem cell-based retinal implant to treat advanced dry age-related macular degeneration. The treatment shows promise in improving visual function and stopping disease progression.
A recent study found that vertebrates are essential pollinators for many plants, including crops like dragon fruit and durian. The study revealed that the exclusion of bat pollinators resulted in an 83% drop in fruit production, highlighting the importance of these animals in plant reproduction.
Researchers found that liverworts can be infected by Phytophthora palmivora and respond with proteins similar to those in flowering plants. The discovery reveals early land plants were genetically equipped to respond to microbial infections, indicating an ancient relationship between plants and microbes.
A new study published in the American Journal of Obstetrics and Gynecology found that an app-based self-care program using acupressure reduced menstrual pain in young women by up to 58% after six months. The app, Luna, was used by participants who received either standard care or a self-acupressure intervention.
Researchers have identified a novel pathway that sustains the health of dopamine neurons in C. elegans worms. The swip-10 gene's normal actions to protect dopamine neurons are indirect, derived from its action in glial cells that lie adjacent to the dopamine neurons.
A bioengineered retinal implant, composed of human embryonic stem cells, has been shown to halt vision loss in advanced non-neovascular age-related macular degeneration. The implant was well-tolerated and successfully integrated with retinal tissue, demonstrating potential for a new therapy for this progressive disease.
Researchers developed a new approach to deliver a drug directly to damaged nerves and cells in the inner ear, offering promising results for repairing hair cells and neurons. The study provides strong preliminary evidence for a potential remedy that could restore hearing for millions of elderly people.
Researchers have discovered that immune cells cause dangerous blood vessel blockage in response to fungal infections, leading to new therapeutic targets. The study's findings could lead to the development of treatments that prevent this blockage without inhibiting the immune system.
Researchers have developed a universal fluorescent probe that targets and stains cancer stem cells, a type of tumor-initiating cell. The probe, named TiY, demonstrates high selectivity towards these cells, which are believed to cause relapses after radiation and chemotherapy.
Chronic sleep deprivation increases risk of motor vehicle crashes due to impaired cognitive function. The study found severe sleep apnea is associated with a 123% increased risk, while mild to moderate sleep apnea elevates the risk by 13%. Short sleep duration also contributes to crash risks.