A study published in International Journal of Drug Policy found a significant increase in cannabis psychosis hospital admissions following cannabis reclassification in 2009. The study challenges the government's claim that stronger forms of cannabis cause mental health problems.
A new study shows that fisheries-induced evolution can lead to faster growth and earlier maturation in fish, potentially harming or helping fisheries. Optimally harvesting Northeast Arctic cod stocks could increase sustainable yields over 30% greater than today by allowing evolution to aid the economic interests of fishers
A new study found that morbidly obese patients who underwent gastric bypass surgery experienced a decrease in the activity of genes tied to asthma, suggesting a potential link between obesity and asthma. The study also found higher concentrations of inflammatory compounds in obese individuals.
A University of Colorado study found that mortality risks vary among nondrinkers, with some groups having similar risks to light drinkers. The researchers analyzed data from over 41,000 people and discovered that abstainers with religious or moral motivations had similar mortality risks to light drinkers.
A recent study by researchers at the University of Edinburgh found that singing short Hungarian phrases improved learning and recall compared to speaking them rhythmically. Adults who sang back performed better in four out of five tests, with some even recalling phrases twice as well as those who learned through speaking.
A recent study found that patients with major depressive disorder exhibit abnormal activation of the occipital lobes when processing emotions, leading to cognitive dysfunction. This abnormality may be an initiating factor for depression onset, resulting in attention deficit disorder.
Two proteins, TMC1 and TMC2, critical for hearing were identified by researchers at Boston Children's Hospital. The study found that these proteins form channels converting sound waves into electrical signals for the brain.
Researchers found a striking degree of convergence in Anole lizard species across four Caribbean islands, with each island's species resembling those on others. The study provides evidence for the predictability of evolution over millions of years.
Three commonly used pesticides were found to be toxic to honeybees, even at sublethal doses. These pesticides modulated key enzymes that regulate physiological processes, affecting cognitive capacities and immune responses in bees.
Researchers at Rice University have successfully synthesized graphene nanoribbons on metal from the bottom up, a process that could lead to breakthroughs in electronics and energy storage. The 'onion rings' of graphene were grown using a new method that relies on hydrogen pressure and controlled growth conditions.
Researchers found that bacteriophages significantly reduce C. difficile cells and toxin production without harming the gut microbiota, offering a potential new therapeutic agent to combat hospital infections. However, some bacteria may develop resistance due to lysogeny, requiring further development to control C. difficile infections.
University of Arizona researchers have discovered that ultrasound waves applied to specific areas of the brain can alter patients' moods. The study, led by Dr. Stuart Hameroff, found improvements in mood for up to 40 minutes following treatment with brain ultrasound, compared to no difference when the machine was switched off.
Researchers identified a novel component of Legionella's replication system, RidL, which disrupts an intracellular transport system needed for bacterial elimination. This allows the bacteria to survive and replicate in phagocytic cells.
Researchers have discovered a unique structure that takes unusual material properties to new heights, expanding more than 10% under compression. Zinc dicyanoaurate's giant negative linear compressibility makes it promising for optical pressure sensor applications and artificial muscle design.
Teduglutide improves intestinal absorption, reducing parenteral nutrition dependency and IV-fluid requirements. Patients with short-bowel syndrome experience significant relief from debilitating symptoms, achieving enhanced quality of life.
Researchers at Penn and two institutions developed a way to precisely design active elements of catalysts, identifying critical parameters for improvement. This new paradigm can fine-tune catalysts used in various applications, including environmental remediation and material production.
A study by Rhode Island Hospital researchers found that caregivers of people with Alzheimer's and other forms of dementia can benefit from tailored interventions. The factors contributing to caregiver burden include direct impact on their lives, feelings of guilt, frustration, or embarrassment.
Researchers from the University of Leicester show that insect limbs can move without muscles, using a close interplay of neuronal control and passive joint forces. This finding may provide engineers with new ways to improve robotic and prosthetic limb control.
Researchers have identified nine fungal lineages associated with ambrosia beetles threatening avocado production in the US and Israel. The unique fungi adaptability poses a threat to global farms and forests.
Physicists at U-M create topological insulators by doping bismuth telluride with thallium, enabling control over electrical conductivity and unique surface properties. The new approach reveals the properties of the surface states, opening doors to applications in quantum computing and Majorana fermions.
A recent study conducted at the University of Eastern Finland found that early diagnosis and treatment of Alzheimer's disease can significantly reduce psychological and behavioral symptoms. Persons with a very mild Alzheimer's disease diagnosed at an early stage are better able to manage their daily activities than those diagnosed at a...
Maternal alcohol consumption during pregnancy has a detrimental effect on fetal central nervous system development. Prenatal ethanol exposure can lead to changes in cyclin-dependent kinase 5 expression, affecting synaptic plasticity and impairing learning and memory functions in offspring.
Researchers at the University of Adelaide have discovered that dinosaurs required more muscular power to prey on other animals and dominate over mammals than previously thought. The study challenges the long-held notion that dinosaurs were cold-blooded, like reptiles.
A large-scale study found that exercising regularly can reduce stroke risk in adults by up to 20% compared to those who are inactive. The study suggests that moderate to vigorous intensity exercise can have a significant impact on reducing stroke risk, particularly among men.
Soft Robotics is a new peer-reviewed journal combining advances in biomedical engineering, biomechanics, and materials science to create robotic technology for interactive robots. The journal provides a forum for scientists and engineers across diverse fields to work together to build the next generation of soft robots.
Experts from NYU Langone Medical Center will present new research on advanced treatments for neurodegenerative diseases, including Alzheimer's disease. The Comprehensive Center on Brain Aging is devoted to research and clinical advances toward the treatment and cure of all neurodegenerative diseases.
Researchers from Polish Academy of Sciences discovered a new mechanism driving droplet evaporation, which plays crucial role in process at nanoscale. Temperature of evaporating liquid is prime factor responsible for evaporation.
Researchers at RI Hospital found that the absence of Shp-2 enzyme near specialized cartilage cells can lead to multiple benign cartilage tumors in mice. These tumors can become malignant in humans and are a rare condition known as metachondromatosis.
A Yale University study reveals that nearly 50,000 unnecessary deaths among women aged 50-69 with hysterectomies could have been avoided if they used estrogen-only therapy instead of combined hormone therapy. The decline in estrogen usage was linked to the 2002 WHI study's findings on women with a uterus, but not those without one.
Researchers at Stanford University have developed the thinnest absorber of visible light, using gold nanodots to absorb almost 100% of reddish-orange light. The technology could lead to improved solar cell efficiency and reduced material costs.
A new study provides direct evidence that microbes can contribute to the origin of new species by reducing the viability of hybrids. The researchers used jewel wasp species with similar microbiomes but differing genetic backgrounds to demonstrate this effect.
The European Society of Cardiology and Association for European Paediatric and Congenital Cardiology have released a joint consensus statement on pediatric arrhythmias. The statement outlines the diagnosis and management of pediatric arrhythmias, highlighting differences between pediatric and adult cases.
Researchers visualized ER sheet stacking revealing a 'parking garage' structure with helical ramps for efficient protein synthesis. This optimized structure allows for maximum space usage within cells.
Scientists have captured the first direct images of a snow line in an infant solar system, revealing its role in forming planets. The study uses radio-wavelength images from the Atacama Larger Millimeter/submillimeter Array (ALMA) telescope to show a carbon monoxide snow line around TW Hydrae, 175 light-years away.
Researchers visualized live bacterial cell-to-cell communication pathways using a new method. They successfully showed that modified signaling molecules selectively bind to QS receptors in certain bacterial species, enabling the detection of receptor localization inside cells.
Research at University of Southampton reveals that youthful extroversion and emotional stability significantly influence happiness and well-being in later adulthood. Neuroticism, on the other hand, is linked to poorer mental health outcomes.
Sauropod dinosaurs like Diplodocus and Camarasaurus replaced their teeth frequently, with some species replacing up to one tooth every 62 days. This constant growth and replacement was likely caused by the high amount of plant food they consumed, which led to extensive tooth wear.
A laboratory study shows that a nanotechnology drug called SapC-DOPS crosses the blood-brain barrier and targets brain-tumor cells, retarding growth of tumor blood vessels. The agent also sensitizes hypoxic cells to killing, supporting further development as a novel treatment for glioblastoma.
Researchers developed a drug delivery technique using a sponge-like material that surrounds an insulin core, releasing insulin as needed. The technique also shows promise for targeting cancer cells, with potential applications in smart drug delivery targeting tumors.
A team of researchers from Imperial College London has developed a map of a typical bird brain, showing how different regions are connected to process information. They discovered that areas important for high-level cognition, such as long-term memory and problem-solving, have similar wiring patterns to those in human brains.
Researchers studied various locations across North America, including the Black Canyon of Gunnison, Colorado, and the Sierra Nevada batholith. They found that spatio-temporal variability in fluvial incision rates provides data on uplift and denudation histories of landscapes.
A study by Wildlife Conservation Society establishes a conservation roadmap for Tanzania's 27 primate species, identifying priority areas for protection. The most vulnerable species, including the kipunji and Zanzibar red colobus, require adequate protection to prevent extinction.
Research links perfluorinated chemical (PFC) exposure to changes in thyroid function, particularly in women, with elevated levels of T3 and T4 hormones. PFCs found in various products may increase the risk of mild hypothyroidism without triggering a natural hormonal response.
Researchers at Tel Aviv University have developed gold nanofibers that can mimic the heart's coordinated electrical system, increasing the viability of transplanted cardiac tissues. This innovation could lead to new treatment options for patients with damaged heart tissue after a heart attack.
A Michigan State University study reveals that maize trade disruptions could jeopardize food security in nations with limited diversification, such as Mexico, Japan, and South Korea. The study suggests that climate change impacts and non-food uses of maize, like ethanol, could lead to price shocks and supply chain disruptions.
Researchers establish proof-of-principal for silencing extra chromosome 21 in cells, advancing translational research and surmounting major obstacle to 'chromosome therapy'. This breakthrough paves the way for studying cell pathologies and identifying genome-wide pathways implicated in Down syndrome.
Researchers studied how each state forms, including wrinkle, crease, and fold states. The findings help engineers control the formation of these structures for flexible electronic devices or variable adhesion surfaces.
Two species of small beach critters, cousins of the roly-poly, are suffering localized extinctions in Southern California. Their disappearance suggests a looming threat to similar sand-dwelling animals across the state and world. The research highlights the impact of development, climate change, and sea level rise on these ecosystems.
A new Anagnorisma moth species was found in Iran's Binaloud Mountain, with a wingspan of 34-35 mm and characteristics similar to its sister species A. eucratides from eastern Afghanistan. The study provides insights into the diversity of Noctuidae moths in the region.
Researchers have discovered a novel compound, anthracimycin, produced by an ocean microbe, which exhibits potency against anthrax and methicillin-resistant Staphylococcus aureus (MRSA). The finding highlights the vast resource of new materials in the oceans for treating various diseases and illnesses.
A large study led by researchers at the University of New South Wales found that oxytocin nasal spray did not improve symptoms of children with autism. The study suggests caution in recommending oxytocin as a general treatment for young people with autism, possibly due to impaired oxytocin receptor systems.
A UCLA-led research team found that religiosity in Hindus and Sikhs but not Muslims is associated with being overweight or obese. Despite differences in diet and physical activity, the link persists due to various factors including societal stigma and religious gatherings.
The Mountain Fire in California is a raging wildfire that has destroyed residences and commercial buildings, with some homes saved by firefighters. The fire is being fought by 2241 personnel, including aircraft, engines, and hand-crews, in the San Jacinto Wilderness.
A new study by University of Notre Dame researchers found that unattractive colleagues are more likely to be subjected to cruel treatment at work. The study, published in Human Performance, suggests that physical attractiveness plays a significant role in how employees are perceived and treated in the workplace.
Gluten-free products are now improved with better texture and appearance thanks to innovative manufacturing technologies. Alternative flours made from pulses such as peas, lentils, and chickpeas are also being used, offering high levels of protein and fiber.
Researchers found that chlorinated BPA and modified forms of the chemical produced similar but distinct effects on hormone signaling pathways. The modified BPA worked through membrane estrogen receptors to deactivate key signaling enzymes, potentially leading to cell signaling disruptions.
Scientists found gold in a short gamma-ray burst caused by the collision of two neutron stars. The team estimates that up to 10 moon masses of gold were created and ejected during this event.
A study published in Psychosomatic Medicine found that poor sleep quality during pregnancy can disrupt the immune system, leading to lower birth weights and other complications. Women with depression are more likely to experience disturbed sleep and immune system disruption.
A study found that over three-quarters of imported bumblebee colonies tested carried parasites, posing a risk to native bees and honeybees. The researchers argue that producers must improve disease screening and regulatory authorities must strengthen measures to prevent the importation of parasite-carrying colonies.
A NASA team has successfully grown uniform layers of carbon nanotubes using atomic layer deposition, enabling the growth of these forests on three-dimensional components like baffles and tubes. This innovation promises to make spacecraft instruments more sensitive without enlarging their size.