A study of college freshmen in China and the US found that Chinese students knew more science facts than their American counterparts, but both groups struggled with scientific reasoning. The research suggests that educators must go beyond teaching science facts to boost students' reasoning ability.
A comprehensive review of case-control studies links gene polymorphisms in alcohol dehydrogenase and aldehyde dehydrogenase enzymes to an increased risk of upper aerodigestive tract cancers. Polymorphisms ADH1B and ALDH2 are associated with a higher risk, but data on other variants is insufficient for meta-analysis.
Researchers have discovered that blue light can effectively destroy two common strains of methicillin-resistant Staphylococcus aureus (MRSA) in a laboratory setting. The study found that high-dose photo-irradiation using 470-nm blue light was able to kill up to 90.4% of the bacteria, making it a promising potential treatment for MRSA i...
Researchers at Stanford University School of Medicine have identified a protein called TCAB1, which is crucial for telomerase to repair the ends of chromosomes. This discovery may lead to new anti-cancer therapies by blocking the inappropriate expression of TCAB1 in human cancer cells.
A clinical trial at Northwestern University's Feinberg School of Medicine found that patients with relapsing-remitting multiple sclerosis experienced significant improvements after receiving an autologous non-myeloablative haematopoietic stem-cell transplant. The disease stabilized in all patients, with 81% showing improvement.
A team from the University of Iowa launched two NASA rockets that flew through an auroral curtain, collecting data on the structural subtleties of the aurora. The ACES mission will provide insight into current models of aurora structure and help refine them.
Researchers at the University of East Anglia have identified a compound that blocks pigment cell movement, potentially preventing skin cancer. The study uses Xenopus Laevis tadpoles as a model organism due to their genetic similarity to humans.
The Biophysical Society has announced the winners of its international travel grants, chosen based on scientific merit and proposed presentation. The recipients include researchers from Argentina, Brazil, Croatia, India, Iran, Mexico, Portugal, Russia, Slovenia, South Africa, and United Kingdom.
Research from Albert Einstein College of Medicine found that Ashkenazi Jewish men carrying specific gene mutations have a higher risk of developing aggressive prostate cancer. The study identified three particular mutations, including BRCA1-185delAG and the mutated BRCA2 gene, which increased the risk of high-grade tumors.
The University of Pittsburgh Graduate School of Public Health has been awarded a seven-year $11 million grant to coordinate the Hepatitis B Clinical Research Network, a consortium of 15 US and Canadian institutions. The network will conduct translational research on hepatitis B, aiming to find a lasting cure for the infection.
Yale researchers identified proteins associated with early onset neonatal sepsis, a stealthy bacterial infection linked to premature birth and death. The biomarkers found have diagnostic value for infection and inflammation, allowing for earlier identification of babies at risk.
Researchers have discovered how rhodopsin communicates with transducin in the retina, shedding light on vision's molecular processes. This breakthrough could lead to more targeted treatments for diseases like diabetes, allergies, and certain cancers.
The sorghum genome sequence reveals its drought-tolerant properties and offers tools to breed more resilient crops. The genetic code is also being used to improve biofuel crops like sugarcane and Miscanthus, enhancing the efficiency of cellulosic ethanol production.
The Biophysical Society has announced the winners of its Minority Travel Awards, which support minority students attending the 53rd Annual Meeting in Boston. The recipients include Lisette Fred and seven others, who will receive travel awards to attend the meeting.
The Biophysical Society has announced the winners of its student travel award, selected based on scientific merit with priority given to those presenting a paper at the conference. The awardees receive a travel grant and will be recognized at a reception.
Researchers encoded letters 'S' and 'U' in interference patterns formed by quantum electron waves, creating a tiny hologram that can be viewed with a microscope. The achievement paves the way for storing more information in less space, challenging the assumption of atomic limits
Researchers at UT Southwestern Medical Center found that mice lacking collagen VI developed 'healthy' obesity when fed a high-fat diet, without inflammation or insulin resistance. The study highlights the role of collagen VI in modulating fat-cell physiology and its potential as a target for intervention.
UCSF's Positive Choice: Interactive Video Doctor and Healthy Living interventions have been selected by the CDC for their effectiveness in reducing HIV risk behaviors. These programs address crucial aspects of living with HIV, including stress and coping, transmission risk behaviors, and adherence to medication regimens.
Researchers at the University of Cincinnati are developing new imaging technologies to help accurately pinpoint deep-brain stimulation electrodes in patients with Parkinson's disease. The study aims to reduce complications and improve patient outcomes by utilizing advanced MRI sequences and diffusion tensor imaging.
SnowMan, developed by UB engineers, uses fluid mechanics principles to design roadways less prone to snow drifts. The software provides precise placement of snow fences to mitigate drifting, reducing highway safety risks and winter maintenance costs.
The AAS High Energy Astrophysics Division has awarded the 2009 Rossi Prize to Charles D. Bailyn, Jeffrey E. McClintock, and Ronald A. Remillard for their work on measuring black hole masses in binary pairs with companion stars.
Scientists at the University of Cambridge have identified a key biological reason behind locust swarming behavior, linking it to an increase in serotonin in specific parts of the insect's nervous system. This discovery could lead to new strategies for controlling locust plagues and understanding behavioral traits in animals.
Research followed over 2000 high- and middle-school children, finding that TV viewing times predict a poor diet in the future. Young adults who watched more than five hours of TV per day had lower intakes of fruits, vegetables, and whole grains, but higher intakes of fast food and unhealthy snacks.
A recent study published in Photochemical & Photobiological Sciences found that UV light-enhanced tooth bleaching causes significant damage to skin and eyes, with fair-skinned individuals at greater risk. Additionally, the treatment was also found to exacerbate existing dental issues, such as exposed grooves on teeth.
Researchers discovered that desert locusts have higher serotonin levels when behaving in a swarm-like manner, which may help identify individual neurons driving this behavior and lead to more effective pest control. Desert locust swarms can devastate crop yields, with 20% of the world affected by this species.
Researchers at UBC discovered a mimic of nature's antibiotic that can protect surfaces from bacteria and fungi, potentially reducing medical problems like degeneration or rejection of implants. The synthetic peptides are active when attached to surfaces, killing harmful bacteria and fungus.
A randomized, double-blind, placebo-controlled study found that long-term administration of chondroitin sulfate can prevent joint structure degradation in patients with knee OA. The study also showed significant reductions in joint space loss, pain, and adverse events in the treatment group compared to the placebo group.
A recent study by researchers at the University of Bath and London's Natural History Museum found that dinosaur fossils match their evolutionary trees remarkably well. The study used statistical data from fossils of four major dinosaur groups to confirm the accuracy of current views on their evolution.
Researchers have found a connection between seismic slip and nonvolcanic tremor in the Cascadia subduction zone, potentially increasing stress on the megathrust fault. The findings suggest that slow slip events may lead to increased risk of megathrust earthquakes.
Researchers found that 21% of preterm children screened positive for autism spectrum disorder (ASD), with cognitive impairments increasing the likelihood. The study suggests a possible correlation between preterm birth and ASD, but further research is needed to confirm direct causality.
A phase I/II study of autologous non-myeloablative haemopoietic stem cell transplantation in 21 adults with relapsing-remitting MS found that the procedure can stabilize and may reverse neurological disability. After an average follow-up of 3 years, 81% of patients improved by at least 1 point on a disability scale.
Researchers identify eotaxin as a novel target for new class of allergy medications, which may help alleviate symptoms of asthma and other allergies. The study's findings could lead to breakthroughs in understanding the severity of allergic reactions and developing effective treatments.
Researchers found differences in activation strength between male and female groups on a verbal fluency task, with women scoring higher than men. The study suggests that sex differences may be related to both performance level and neurocognitive variations.
Researchers discovered a link between mutated genes and vascular development, which could lead to classification and therapy for congenital blood vessel malformations. The study identified two key genes, Snrk-1 and Dusp-5, as playing crucial roles in angioblast formation and differentiation.
A recent study has identified Placental Growth Factor (PIGF) as a key player in the inflammatory process of rheumatoid arthritis. Researchers found that PIGF stimulates the production of pro-inflammatory cytokines TNFα and IL-6, contributing to joint destruction.
A new £692,000 research program will investigate why vulnerable people with complex needs become homeless and how to prevent it. The project aims to develop a greater understanding of homeless individuals who face multiple problems such as drug dependencies, mental health issues, and institutional experiences.
Researchers developed an imaging method to analyze thousands of living cells and reveal how a chemotherapy drug affects each one. They identified two proteins, DDX5 and RFC1, that play a role in cancer cell survival and boosted the effectiveness of current drugs.
Researchers Jane Hill and Barbara Cade-Menun found that phytate concentration was high in manures but not retained in crop soils and sediments. The study concluded that phytate is most likely to be hydrolyzed in situ by microorganisms.
Researchers at UT Southwestern Medical Center are evaluating a new mechanical arm, Armeo, to help patients with strokes and traumatic brain injuries regain arm strength through virtual exercises. The device allows for increased repetitions of tasks, potentially leading to quicker recovery.
A team of researchers at the University of California, Davis, has recorded and visualized the human DNA repair process using fluorescent microscopy. The study reveals key differences between human and bacterial DNA repair mechanisms, including the regulation of Rad51 protein's growth.
Physicists at UC Davis developed a technique to capture the magnetic structures of nanostructures buried within electronic devices, enabling new information storage and retrieval methods. This breakthrough enhances spintronics-based technology and facilitates probing variations in physical systems.
A team of scientists has successfully determined the structure of DFPase, an enzyme from the squid Loligo vulgaris that can rapidly detoxify chemical warfare agents like Sarin. The study used neutron diffraction and provides essential information about the reaction mechanism of DFPase.
A new study suggests that synchrony fosters cooperation, even when individuals have financial incentives to behave selfishly. Volunteers who participated in synchronized activities, such as walking in step or moving cups to music, were more likely to cooperate with others and report feeling part of a team.
Researchers use MODIS data to detect natural oil slicks in the Gulf of Mexico, finding a higher occurrence than previously thought. Meanwhile, studies suggest freak waves may be responsible for shipwrecks in Japan's notorious wave-prone region, with modeling revealing a cascade process governing weather dynamics.
Researchers have identified a new gene, ELP4, linked to Rolandic epilepsy, a common form of childhood epilepsy. The discovery supports a new theory about the causes of epilepsy and offers insights into other cognitive and behavioral disorders such as ADHD, speech dyspraxia, and DCD.
Researchers found that Plasmodium falciparum relies heavily on the Pcalp protein, which is essential for its cell cycle progression. By manipulating Pcalp levels, they revealed the parasite's vulnerability to inhibition.
A six-month diet, exercise, and behavior modification program resulted in significant weight loss and reduced urinary incontinence episodes per week by nearly half. The study found that such programs can be an effective first-line treatment for overweight and obese women.
The sorghum genome has been sequenced by an international team, providing insights into the crop's potential for drought resistance. The findings could help improve food crops for arid regions with expanding human populations.
A study by researchers at UCSF found that behavioral weight-loss programs can significantly reduce urinary incontinence in overweight and obese women. Participants who lost an average of 17 pounds experienced a 47% reduction in incontinence episodes compared to those in the control group.
A new study found that proton pump inhibitors significantly increase the risk of heart attacks in patients taking clopidogrel after a heart attack. The risk was higher for certain proton pump inhibitors, including omeprazole and lansoprazole.
MIT researchers have developed a new computer model that analyzes different methods of controlling malaria's spread. The model shows that environmental measures such as leveling land and eliminating pools of water can be an effective strategy in the fight against malaria.
The Rehabilitation Engineering Research Center at NJIT has developed a prototype of the Hands-Up video game software, which will improve neuro-plasticity through intensive training. Over 50 partners are expected to receive the free software, instruction, and evaluation materials.
A recent study published in Human Reproduction found that anxiety and depression before and during fertility treatment have no influence on cancellation rates or pregnancy success. The research involved 783 women and showed that levels of depression or anxiety did not predict pregnancy rates or cancellation rates.
A computational model suggests that newborn brain cells add a unique time-related code to memories formed around the same time. This allows for recall of events from a certain period and connects independent events that occurred during the same hyperactive period, explaining why memories can be triggered by specific details.
Researchers used fMRI to track real-time brain activity as participants read and processed individual words and short stories. The study found that readers mentally simulate each new situation encountered in a narrative, using perceptual and motor representations to comprehend narrated activity.
Researchers have reconstructed the chronology of Oetzi's injuries, finding evidence of a short-lived arrow wound and a blow to the back before his death. The study suggests that Oetzi endured at least two injuring events, which could indicate two separate attacks.
The Dead Sea's subsidence is attributed to a tectonic concurrence between the African and Arabian plates, resulting in a pull-apart basin. The basin's evolution is controlled by four parameters: brittle layer thickness, basin width, strike-slip displacement length, and upper mantle viscosity.
Researchers at the University of Pennsylvania School of Veterinary Medicine have imaged the body's immune response to a parasitic infection in the brain for the first time. The findings provide unexpected insights into how immune cells are regulated in the brain and have implications for treating inflammatory conditions.
A study published in the Journal of Clinical Oncology found that leaving the ovaries intact during surgery for early-stage endometrial cancer has no survival benefit compared to removing them. This approach could spare women from surgery-induced early menopause, hot flashes, and increased risk of heart disease and osteoporosis.
Researchers at the University of Nevada, Reno successfully harvested their first outdoor crop of algae as part of a collaborative project with industry partners. The project showed that it is possible to grow algae outdoors year-round in Nevada, using salt-loving algae varieties that produce high amounts of oil and starch.