A study analyzing oxygen isotopes in fossil teeth from red deer near the Adriatic Sea found seasonal migration patterns, which may have influenced Paleolithic hunter-gatherers. The researchers suggest that the migration patterns of red deer and mountain goats in the region may have impacted human mobility strategies.
A comprehensive review of 14 antidepressants found that only fluoxetine was more effective at relieving depression symptoms than placebo. However, the true effectiveness and risk of serious harms remains unclear due to limited clinical trials and selective reporting.
A new study found that late sleep timing is associated with higher fast food intake and lower vegetable consumption, as well as lower physical activity levels. The study suggests that poor dietary behaviors may predispose individuals with late sleep to increased risk of weight gain.
Researchers detected billowy clouds of cold, clumpy gas streaming toward a black hole, suggesting two dinner modes for black holes: slow grazing on diffuse hot gas and quick consumption of clumps of cold gas. The findings represent the first direct evidence to support the hypothesis that black holes feed on clouds of cold gas.
A new study found that 44% of military spouses reported sleeping 6 hours or less per night, with 54% experiencing daytime impairment due to sleep problems. The research highlights the importance of screening for sleep disturbances and providing evidence-based interventions to service members and their families.
Researchers at the Institute of Nuclear Physics have observed a new mechanism creating particles in high-energy collisions, where charm mesons appear in pairs as often as singles. This effect plays a dominant role in producing charm particles and is expected to become more prominent in future accelerators.
A recent NIH-funded study found that standard and intensive blood pressure treatments were equally effective in the emergency treatment of acute intracerebral hemorrhage, a type of stroke caused by bleeding into the brain. After 90 days, the rate of death or severe disability was equal for both groups, at around 38 percent.
A recent study published in Journal of Biogeography reveals that ant communities across Asia are shaped by past land connections during the Last Glacial Maximum, rather than current geographical features. Temperature was found to be the dominant factor in determining ant community patterns.
Colorado State University's Brad Reisfeld and colleagues create a physiologically-based pharmacokinetic model to predict drug concentrations in the body. The model can account for individual differences and changes in metabolism, allowing for more effective treatment.
The Materials Project has released a vast dataset of material properties, including 1,500 compounds and 21,000 organic molecules, to accelerate battery research. The data enables computationally driven design and discovery of new materials with improved performance and energy density.
A team of researchers from NYU Tandon and Trinity College developed a method to improve spectrum efficiency by mixing half and full duplex radios in base stations. This approach allows for tunable customization to meet demand without excess interference.
Researchers analyzed data from 4,221 individuals and found no clear link between sleep disturbing medications and actual sleep problems. The study suggests that patients may be misinformed about the side effects of certain drugs.
A new study published in Diabetologia shows that significant racial/ethnic differences exist in the association between ideal cardiovascular health and diabetes risk. Achieving four or more of the American Heart Association's ideal cardiovascular health components resulted in lower rates of incident diabetes, with 34% and 75% reduction...
The field of landscape ecology offers a powerful tool for policymakers due to its ability to operate at multiple scales and across human and natural systems. This unique perspective can help address environmental transformation by informing policy and management decisions.
Researchers found that circadian rhythms influence the influx of immune cells into damaged tissue, worsening heart attack outcomes. The study showed that neutrophil recruitment is correlated with CXCR2 expression and peaking in early morning hours, leading to increased inflammation and scar formation.
Researchers at Columbia University Irving Medical Center have discovered that a narrow wavelength of ultraviolet (UV) light, known as far-UVC, safely kills drug-resistant MRSA bacteria. This finding offers a potential solution to reducing surgical site infections, a major public health concern.
A Yale-led team of researchers identified how altered gut microbiota causes obesity by stimulating insulin secretion through acetate production. The study suggests a causal link between changes in the diet, gut microbiota, and increased food intake, driving a positive feedback loop.
A national sample of 10,000 US adolescents found that exposure to abuse and domestic violence before age 11 increased the likelihood of drug use in adolescence. Childhood trauma was particularly harmful, with a greater number of traumatic experiences associated with an increase in risk for marijuana and other drugs.
A single strain of plague bacteria caused the Black Death in Europe and later led to multiple outbreaks on the continent before spreading to China, triggering a global pandemic. The researchers sequenced ancient DNA from mass graves and compared them to modern strains to reveal a link between the Black Death and modern-day epidemics.
ROSC provides coordinated, patient-centered services for substance abuse and psychiatric disorders, supported by primary care providers. The special issue highlights the critical role of ROSC in overcoming obstacles and sustaining recovery.
Post-Tropical Cyclone Colin is moving northeast at 40 mph, expected to weaken on Wednesday. The remnants of the storm are speeding off towards history, with a surface trough extending from Cuba to Bermuda.
Researchers tracked macaque monkeys' neural activity as they weighed options for juice rewards, predicting their choices based on brain patterns. The study sheds light on internal decision-making processes and could lead to implants to treat addiction, anxiety, and depression.
Scientists discover B lymphocytes play a crucial role in psoriasis by regulating IL-10 levels, which can lead to poorer inflammatory control. This finding provides potential targets for new therapies to combat the incurable disease.
A new study reveals that pubertal timing has a significant impact on male reproductive health, with early or late onset associated with poorer semen quality and smaller testicles. The study also found links between pubertal timing and obesity, cardiovascular disease, and sexually transmitted diseases.
Research finds that practice explains only 18% of why athletes perform better or worse, with 82% attributed to other factors like genetics and cognitive traits. Starting age also holds little advantage, as higher-skilled athletes often start at the same age as less-skilled ones.
Researchers studied Physarum polycephalum's decision-making abilities using the two-armed bandit problem, finding it compares relative options to make adaptive decisions. The slime mold's algorithm exploits environments in proportion to their reward experienced through past sampling.
Researchers develop new method to generate large pool of gene-corrected cells, which can repopulate in vivo and treat various disorders
Researchers discovered differences in male and female brain activity while cooperating with a partner, with males performing better in mixed-sex pairs. The study used hyperscanning to track brain function and found increased interbrain coherence in same-sex pairs, which correlated with better performance.
A new study by Michigan State University found that people living in green dwellings can lose up to half of their energy savings if they don't use their technologies correctly. The researchers surveyed over 320 certified green residential units to understand the impact of personal habits on energy consumption.
A recent study published in PLoS One has revealed that opioid receptors participate in spermatogenesis, a process crucial for male fertility. The researchers identified the activation of these receptors as regulating the formation of machinery responsible for correctly segregating genetic information during spermatozoa production.
New UQ research enables ultra-precise measurements of movement and gravity, benefiting industries like mining and environmental hydrology. The technique improves sensitivity of measurement devices and tracks water movement, glaciers and polar ice caps.
Researchers at Newcastle University have identified a new essential sequence within bacterial genomes required for DNA replication, dubbed the DnaA-trio. This discovery sheds light on a fundamental biological process shared among all living organisms and opens doors to studying enigmatic replication origin elements in higher organisms.
Researchers have discovered a new IVF-based technique that significantly reduces the risk of mitochondrial disease in babies. The 'early pronuclear transfer' method involves transplanting healthy mitochondria into an embryo created using conventional IVF.
Scientists can now track and see individual phosphorus atoms in a silicon crystal, confirming quantum computing capability. This discovery has potential use in nano detection devices and is a world-first in atomic-resolution imaging.
Researchers identified a lymphatic endothelium origin for angiomyolipoma and lymphangioleiomyomatosis, two related tumors with previously unknown cellular origins. The study suggests a potential novel origin for LAM mechanistically dependent upon TSC inactivation as well.
New study finds evidence of Asian metal traded on Alaska's northwest coast to prehistoric North America prior to European contact. The discovery sheds light on the ancient Inuit people's access to metals and technological innovation in the Arctic region.
A University of Colorado Cancer Center study used whole-exome sequencing to characterize genetic alterations in 25 commonly used bladder cancer cell lines. The researchers found 76 altered genes, many involving oncogenes like TERT and TP53, which can predict patient response to cisplatin treatment
A new study confirms Homo floresiensis as a distinct species, contradicting earlier claims of Down syndrome in the 'Hobbit' skeleton LB1. The research analyzed features across the skeleton and found that LB1's brain was smaller than those with Down syndrome, and its skull shape and limb proportions were more archaic.
Researchers discover fossils of hominins similar in size to 'hobbits' but at least ten times older, dating back 700,000 years. The findings suggest a striking similarity between the Mata Menge hominins and Liang Bua hobbits, hinting at a possible ancestral relationship.
Psychologists at the University of Texas at Arlington discovered that verbal interaction, not non-verbal cues, is crucial for mutual understanding between strangers. The study shows that exchanging words and asking questions leads to higher levels of common-ground understanding.
A team of astronomers used ALMA to observe a cluster of towering intergalactic gas clouds raining in on the supermassive black hole at the center of an elliptical galaxy. The new findings reshape our understanding of how supermassive black holes feed, revealing a previously unknown process known as cold, chaotic accretion.
A new USC study reveals that consumers are more likely to resist products that conflict with their habits, but adopting products into existing routines can increase usage. The researchers found that habit slips, or lapses in product use caused by falling back on old habits, can be a common barrier to new product adoption.
The Harold Alfond Foundation's charitable gift will support The Jackson Laboratory's efforts to enhance cancer diagnostics and treatment in Maine. JAX aims to provide precision cancer care using the latest genetic technologies to determine the best treatment for each patient.
The US Department of Agriculture has awarded $16.8 million in grants to support initiatives encouraging SNAP participants to purchase fruits and vegetables. The funding will benefit regional food producers, local economies, and the health of low-income families.
A team of Carnegie scientists has identified a form of iron oxide that resembles pyrite, which they believe could be responsible for seismic and geothermal signatures in the deep mantle. The discovery sheds new light on Earth's formation and evolution, and may even offer an alternative explanation for the Great Oxygenation Event.
A major international review of suicide prevention has confirmed that restricting access to lethal means and providing Gatekeeper Training can be effective. The study also highlights the importance of follow-up care for individuals who have attempted suicide.
Researchers at the University of Pennsylvania School of Medicine propose a new model for viral replication, suggesting that DNA 'scrunching' generates forces to drive DNA into a virus during replication. This understanding could lead to new ways to fight infectious pathogens.
A study published in PLOS ONE found that bioluminescence may have evolved independently 27 times in 14 major fish clades, indicating its importance for fish survival. The researchers suggest that bioluminescence is a useful trait that has led to the diversification of many fish species.
Researchers found that fluid shear forces regulate disease progression in multidrug-resistant Salmonella ST313 strains, accelerating disease onset and enhancing survival. The study's findings have significant implications for the development of therapeutics against these deadly bacteria.
Researchers developed a tablet-based suicide risk assessment tool that performed at a high level, predicting expert psychiatric assessments at between 91-94 percent accuracy. The tool was found to be quick and easy for patients to complete, standardizing risk assessment and helping hospitals meet the Joint Commission mandate.
Researchers developed a more effective, comprehensive and cheaper panel of genetic tests to detect bleeding or clotting disorders in patients. The new tests use genome sequencing technology to provide faster diagnoses and improve patient outcomes.
A new drug, TEV-48125, was associated with fewer headache hours for people with chronic migraine within three to seven days after the first injection. The study found that the higher dose of the drug showed a difference from the placebo after three days, and both doses reduced headaches by 1-2 days after two weeks of treatment.
A randomized clinical trial found that psychotherapy for complicated grief is efficacious and adding antidepressant citalopram improves outcomes for those with co-occurring depressive symptoms. The study's results support using antidepressants in conjunction with therapy for relief of co-occurring symptoms.
A Johns Hopkins team discovered three ways to send rogue commands to interfere with an airborne hobby drone's operation, causing it to land or crash. The finding highlights the vulnerability of drones to hackers, which is crucial for tasks like aerial deliveries and photography.
For the first time, astronomers have detected billowy clouds of cold, clumpy gas streaming towards a supermassive black hole at speeds of up to 800,000 miles per hour. The observation provides direct evidence to support the theory that black holes feed on clouds of cold gas.
A study by Oxford researchers found that exposure to green light rapidly induces sleep, whereas blue and violet lights delay sleep. The role of melanopsin, a pigment regulating the body clock, was confirmed as essential for these effects.
Researchers found that replacing half of the sugar content with steviana or inulin in muffins lowered glycemic response and improved dietary intakes. The study suggests careful selection and incorporation of low-caloric natural sugar replacers can lead to better glucose metabolism control.
Researchers uncovered evidence of early Chacolithic agropastoral communities using rock-shelters as enclosures for sheep and goats. The study reveals a correlation between the use of shelters and grazing areas in the Sierra de Cantabria region.
A new study found that police officers who work day shifts perform better in interactions with the public, while those working night shifts are more likely to have encounters escalate into violence. The research suggests that better fatigue management could improve officers' ability to manage encounters effectively.
Researchers at Kansas State University have developed a new class of fiber-based lasers that can produce high-intensity light without requiring large amounts of power. The lasers use gas molecules to emit light and are portable, making them suitable for applications such as measuring distances and detecting gases in the atmosphere.