An international team uses seismic data from glacial earthquakes to study calving and its impact on ice sheet mass loss. This breakthrough in environmental seismology reveals that calving resulted in the shedding of 370 gigatonnes of ice into the Arctic Ocean between 1993 and 2013.
A longitudinal study found a correlation between ceramide levels, body mass index, and disease progression in MS patients. Individuals with higher ceramide levels experienced greater loss of motor skills and more brain injury over two years.
Leonardo da Vinci made penetrating insights into how the brain functions through exquisite drawings and scientific rigor. His pioneering experiments, including a study of the olfactory nerve and ventricles, challenged earlier authorities and introduced new methods.
Dr. Constance Nathanson, a professor at Columbia University's Mailman School of Public Health, has been awarded the Guggenheim Foundation Fellowship to explore health crises and institutional change in France. Her research compares how HIV contamination of the blood supply played out in France versus the US.
One-third of cancer patients use complementary and alternative medicines such as meditation, yoga, acupuncture, and herbal supplements. Many patients do not disclose their use to doctors due to lack of knowledge or perceived need for disclosure.
A recent study published in Science found that a year-long mission to the International Space Station has a small but significant impact on the gut microbiome. The researchers discovered that the ratio of two dominant phyla of bacteria shifted during flight, but returned to normal after Scott Kelly's return to Earth.
A new study of ancient DNA fragments in modern Papuans and Islanders suggests two distinct Denisovan lineages separated for hundreds of thousands of years, one potentially a new archaic hominin species. The findings highlight the importance of considering underrepresented regions in genome data to improve scientific interpretations.
Researchers at McMaster University have discovered a unique subset of cells, called human pluripotent founder cells, that appear to signal how surrounding cells will develop and grow. These 'kingpin' cells are found in primates but not in mice, suggesting they may play a key role in understanding cancerous tumours.
A study proposes a new target for protected areas based on biodiversity outcomes, addressing issues with current targets that focus on quantity rather than quality. The new approach involves systematic monitoring of global sites of biodiversity significance to determine the effectiveness of management practices.
Researchers have developed a new label-free imaging technique that reveals the dynamic movement of chromatin in eukaryotic cells just before cell death. The study found that cells experience a 'burst' of activity, known as cellular paroxysm, which is thought to play a role in the earliest stages of cell death.
Researchers have achieved record-breaking accuracy with an optical clock, setting a new standard for cesium-referenced measurements. The high accuracy of optical clocks could support advances in timing systems used in navigation and communication systems, enabling more precise measurements of physical phenomena not yet fully understood.
Researchers at Purdue University have developed a new electron microscopy technique called cryoAPEX that accurately tracks membrane proteins in well-preserved cells. This breakthrough method combines the benefits of high-pressure freezing and chemical fixation techniques to produce high-quality images of protein structures.
Researchers found that the most common genetic cause of ALS, C9orf72 mutation, leads to toxic dipeptide repeat polypeptides (DPRs) disrupting nucleolar assembly. Longer DPRs are more toxic to cells, highlighting a potential prognostic value for ALS patients.
Researchers at Kanazawa University identified a new type of cell in lymph nodes that may play a crucial role in maintaining immune tolerance. These Aire ILC3-like cells are similar to innate lymphoid cells found in the gut and have been shown to eliminate auto-reactive T cells, suggesting they may help prevent autoimmune diseases.
Research shows that branched actin transmits information to cells about their environment and regulates growth, a mechanism that can be targeted to fight certain types of cancer. Inhibiting branched actin formation prevents the growth of melanoma cells, offering new therapeutic options.
New research suggests a connection between nonsuicidal self-injury and impulsive behavior, particularly under conditions of negative emotions. The study identifies potential areas of treatment for individuals at high risk of suicide attempts.
A Swedish study finds a strong link between stress-related disorders and cardiovascular disease, with a 64% higher risk among those with a stress related disorder compared to their unaffected sibling. The risk is highest during the first year after diagnosis, especially for heart failure and major blood clots.
Researchers have developed a new quantum material that can automatically detect hydrogen levels in the brain, offering potential early detection of neurological diseases like Parkinson's. The material uses ionic currents to identify molecules, such as glucose and dopamine, which serve as indicators of brain health.
A small-scale NIH-led clinical study found that pembrolizumab can slow or stop the progression of progressive multifocal leukoencephalopathy (PML), a fatal brain infection caused by the JC virus. The treatment resulted in improved symptoms and reduced viral levels in five patients with PML.
A new approach to gene editing has been developed by scientists at UMass Medical School, allowing for the correction of microduplications associated with 143 different diseases. The strategy uses CRISPR/Cas9 and harnesses the homology-directed repair pathway to remove duplicated sequences and restore functional genes.
North Carolina State University researchers have created a technique called ultrasound-assisted biofabrication (UAB) to align living cells during the bioprinting process. This allows for the creation of tissues with characteristics similar to natural tissues, such as a knee meniscus with aligned cell structures.
Researchers found elevated tau protein levels in brain regions affected by CTE in living former NFL players with cognitive and mood symptoms. The study also discovered a correlation between years of tackle football played and tau protein levels.
St. Jude scientists discover that ULK1 and ULK2 break down stress granules, which build up toxic proteins that kill muscle and brain cells in diseases including IBM, ALS, and FTD. Boosting these enzymes could help treat the conditions.
Two independent studies found high rates of liver disease progression and mortality among patients with non-alcoholic fatty liver disease/non-alcoholic steatohepatitis (NAFLD/NASH), highlighting the importance of early detection and treatment to prevent progression and reduce mortality. Advanced liver diseases progressed in up to 11% o...
A team of international astronomers, including those from the University of Massachusetts Amherst, have successfully captured the first direct image of a supermassive black hole's event horizon. The image reveals the black hole at the center of Messier 87, a massive galaxy 55 million light-years from Earth.
Researchers have identified phosphodiesterase-B1 as a critical gene for the transmission of African sleeping sickness, a disease transmitted by tsetse flies. The study reveals that the parasite's movement from the fly's midgut to the salivary gland is controlled by this gene, providing new insights into the disease-causing mechanism.
Scientists discovered that providing rodents with more space, exercise and toys before a spinal cord injury can 'prime' their cells, making it more likely for damaged nerves to regenerate. Researchers also found a key molecule called CREB-Binding Protein (CBP) that may be effectively reprogramming nerve cells.
Researchers at Kanazawa University discovered that a host mRNA, selenoprotein P (SeP), specifically regulates the RIG-I pathway-dependent innate immune responses. SeP mRNA inhibits the activation of RIG-I by binding to its regulatory domain and negatively regulating innate immunity.
Scientists at Peking University control crystal growth and material assembly by utilizing fluid flows. A stable single vortex is produced, enabling oriented deposition of materials.
A study of over 1000 frog and toad species found that those living on land invested more time and effort in parental care, leading to increased survival rates and colonization of terrestrial habitats. The research also discovered diverse parenting behaviors, including male involvement in egg protection and female nourishment.
The new technology allows for high-speed analysis of emulsion track detectors, essential for detecting dark matter particles. The faster microscopes will process tens of tons of nano-emulsion trackers with unprecedented accuracy in record time.
A recent study found that pesticide cocktails can harm honey bees, reducing their survival and causing abnormal behavior. The research, led by the University of California San Diego, showed that combining Sivanto with a common fungicide can synergistically harm bee behavior and survival, depending on seasonality and bee age.
A new study published in Infection Control & Hospital Epidemiology found that mothers delivering via cesarean section covered by Medicaid had a 1.4 fold increase in surgical site infection compared to those covered by private insurance. The risk of infection may be linked to factors such as patient health literacy, provider variability...
A new service in the UK uses wearable technology to monitor Parkinson's symptoms, enabling patients and specialists to identify and implement changes to therapy remotely. The project aims to reduce healthcare burden and improve quality of life for people with Parkinson's.
The study found a shift towards arbuscular mycorrhizal (AM) trees in the eastern US due to climate change, increased nitrogen deposition, and fire suppression. This change can accelerate nutrient cycling, potentially affecting carbon storage in North American forests.
Researchers discovered that reduced adenosine kinase expression in the liver makes it more susceptible to carcinogenic damage and liver cancer. In a study published in Journal of Caffeine and Adenosine Research, scientists found that 64% of patients with liver cancer had lower adenosine kinase expression levels.
The first real image of a black hole, obtained by EHT telescopes, confirms the predictions made in Jean-Pierre Luminet's 1979 simulation. The image shows an extraordinary accuracy, with characteristics such as the Einstein effect and Doppler shift clearly visible.
Rice University engineers employ neural networks to rapidly model the characteristics of new 2D materials, significantly reducing computational time. The technique enables accurate predictions with minimal data, facilitating bottom-up design and discovery.
Researchers found that the syrinx's position at the end of the airway enhances vocal efficiency, allowing birds to communicate more effectively. This unique feature enables birds to amplify their sounds using their long necks as resonators, giving them an advantage in attracting mates and warning off predators.
Researchers at Tohoku University developed an algorithm to improve the D-Wave quantum annealer's ability to solve complex combinatorial optimization problems. The new algorithm allows for larger subproblems, leading to more optimal solutions efficiently.
A study by UC Berkeley scientists found that falling levels of air pollution are causing the decline in California's tule fog, which may help improve traffic safety in the region. The researchers analyzed data from 1930 to 2016 and found a strong correlation between air pollutant emissions and fog frequency.
Researchers at the Center for Self-Assembled Organic Electronics will integrate chemical synthesis, theory, and simulations to develop next-generation materials capable of converting sunlight into electricity. The goal is to create lightweight and flexible solar cells that can be deployed in various environments and scenarios.
Researchers found that vaccinated mothers can protect their newborns from neonatal herpes, a disease that can cause brain damage and death. The study also identified two scenarios that are particularly dangerous for newborns: acquiring genital herpes late in pregnancy or exposure to the virus through non-protected contact.
NASA-NOAA's Suomi NPP satellite captured a visible image of Tropical Cyclone Wallace as it continued to weaken off the coast of Western Australia. Wind shear has pushed the bulk of the system's clouds southeast, tearing the storm apart.
Mendel Rosenblum's work on virtual machines transformed datacenters and enabled modern cloud computing. His contributions led to the development of Amazon Web Services, Microsoft Azure, and Google Cloud.
Researchers have made significant strides in improving the stability of perovskite solar cells to match their high efficiency. Surface terminal groups and alternative electrodes are promising strategies for enhancing long-term stability and reducing degradation mechanisms.
Researchers at Stanford University and India's National Centre for Biological Sciences have developed a new approach to extract genetic clues from degraded DNA samples. This method uses a sequencing technique that amplifies small bits of DNA with unique differences in each sample, allowing for the use of contaminated or mixed samples. ...
Researchers have discovered that human iPSC-derived MSCs (iMSCs) from aged individuals acquire a rejuvenation-associated 50-gene signature, which is also expressed in pluripotent stem cells. This finding highlights the potential of iMSCs to act via paracrine signalling and circumvent drawbacks associated with adult MSCs.
A study found that higher lead levels in topsoil significantly increase the probability of cognitive difficulties in 5-year-old boys, while 5-year-old girls are less affected. The researchers used instrumental variable methods to estimate the causal effect of exposure to lead in topsoil on cognition.
Processed aconite root relieves neuropathic pain in murine models, with neoline emerging as the active compound. Neoline is stable and shows promise for pain alleviation.
Researchers at ETH Zurich have identified a novel way to prevent water from forming ice crystals by creating a new class of lipids that form a 'soft' biological matter. This material confines water in narrow channels, preventing it from freezing even at extreme sub-zero temperatures.
A study published in The Lancet Planetary Health estimates that traffic-related air pollution is associated with 170 new cases of traffic pollution-related asthma per 100,000 children every year. Globally, 13% of childhood asthma cases diagnosed each year are linked to traffic pollution.
Researchers at the Center for BrainHealth found that combined cognitive training with Strategic Memory Advanced Reasoning Training (SMART) and Transcranial Direct Current Stimulation (tDCS) improved executive functions, episodic memory, and subjective memory satisfaction in adults with mild cognitive impairment. However, tDCS failed to...
The Phase 3 REGENERATE study confirms obeticholic acid's effectiveness in treating NASH with liver fibrosis, improving fibrosis in almost one-quarter of recipients. The treatment also shows significant improvements in other histological markers of NASH, including lobular inflammation and hepatocellular ballooning.
A study published in Accident Analysis and Prevention found that marked on-road bicycle lanes and parked cars do not provide enough space for safe passing. The research, which analyzed over 18,000 vehicle passing events, suggests that a single stripe of paint is insufficient to protect cyclists.
Researchers confirm effectiveness of transient coaxial helical injection (CHI) technique, which could facilitate constant fusion reactions and free up space in compact spherical tokamaks. The technique eliminates the need for a central magnet, simplifying design and potentially improving performance.
A study by CU Anschutz researchers found that men who have sex with men have unique gut microbiomes that drive immune activation and may increase their risk of HIV infection. The study suggests a direct link between microbiome composition and immune activation in HIV-negative and HIV-positive MSM.
A recent study estimates that 4 million children worldwide develop asthma each year due to exposure to nitrogen dioxide pollution. The study found that urban areas account for 64% of these new cases, and cities with high NO2 concentrations also experience high levels of greenhouse gas emissions.
Researchers found four bat lineages that live at least four times longer than other mammals and identified life history features predicting extended life spans. Hibernating bat species in higher latitudes are found to live longer, possibly due to their ability to adjust body temperature.
A University of Kansas study found that noncompete clauses influence employee behavior, leading to increased productivity and reduced risk-taking. Employees under these clauses engage in behaviors such as window dressing and align their actions with employer goals.