Researchers John Tyson and Bela Novak are developing mathematical models of yeast cell growth and division to better understand the molecular mechanisms controlling cell behavior. Their work aims to extrapolate findings from yeast cells to humans, with potential implications for cancer research and other cell-based diseases.
A new longitudinal study examines the drinking habits of 450 lesbians in Chicago, comparing them to a larger sample of heterosexual women. The research aims to identify factors that increase or buffer lesbians' risk for alcohol-related problems.
These sensors can detect temperature changes, stress, viscosity, liquid density, and surface tension without wires or connectors. They use magnetoelastic thin-film technology to generate harmonics that change as the environment around them alters.
Researchers at UB have developed an ultrasmall magnetic sensor that produces a record change in resistance in an ultra-small magnetic field, exceeding all previous records. The sensor's capabilities could enable the storage of 50 or more DVDs on a hard drive the size of a credit card.
A new study of over 10,000 women nationwide found no increased risk of breast cancer from taking birth control pills. Meanwhile, similar studies suggest oral contraceptives may reduce the risks of uterine and ovarian cancers by as much as 40%.
Research by University of Georgia wildlife scientists found that clover strip-cropping and conservation tillage systems in cotton provide critical habitat for threatened songbirds. Clover offers cover from predators, insects for food, and time to nest and fledge young between field operations.
A study of 169 children found that girls who had a view of nature from their apartment window performed better in concentration, impulse inhibition, and delayed gratification. This suggests that incorporating nature into urban living spaces can enhance self-discipline and academic achievement.
A collaboration between students and scientists from NASA's Goddard Space Flight Center aims to identify environmental triggers of pediatric asthma in Baltimore. The Baltimore Student Sun photometer Network (BSSN) will collect daily aerosol data, enhancing science, math, and technology skills for the students involved.
A large-scale study of over 9,200 women aged 35-64 found no association between oral contraceptive use and increased breast cancer risk. The research provides reassurance for women who have used oral contraceptives during their reproductive years.
Researchers at Cornell University and Argonne National Laboratory have solved the structure of a key bacterial quorum-sensing protein, which could lead to new treatments for biofilm-related diseases. The discovery may also enable the design of targeted therapies to prevent harmful bacteria from forming biofilms.
A recent UC study found that 42% of live sea otters and 62% of dead sea otters were infected with Toxoplasma. The researchers suggest that land-based freshwater runoff is a source of the parasite, likely transported by surface runoff from fields and yards to coastal areas.
The U.S.-Peru debt-for-nature swap aims to conserve ten tropical rain forest areas covering over 27.5 million acres, home to rare biodiversity and threatened species. The agreement generates funds for local Peruvian conservation groups and provides critical income streams for front-line conservation efforts.
A meta-analysis of 88 studies found strong associations between corporal punishment and child behaviors, including aggression, antisocial behavior, and physical abuse. The research suggests that corporal punishment may actually cause negative outcomes for children, such as increased aggression and mental health issues.
Researchers identified a new cholesterol disorder caused by mutations in the CYP7A1 gene, leading to elevated cholesterol levels and increased risk of heart disease. The study found that carriers of the mutation had significantly higher cholesterol levels and were more likely to develop gallstones.
A computer-based system is being developed to assist astronauts on extended missions with conflict resolution and mild depression. The system uses problem-solving therapy and computer simulations to help users identify and address problems.
A study of 2000 non-smoking patients found that even brief exposure to second-hand smoke increases the risk of acute heart disorders by 26%. The researchers conclude that eliminating cigarette smoke from public places is crucial to protecting non-smokers.
A NASA study suggests that mixed croplands can lead to a cooler and wetter climate in certain regions. The researchers used satellite measurements of vegetation to simulate regional climate and found that this type of land use can alter atmospheric circulation, leading to increased convection and precipitation.
Kytril was found to be significantly more effective than dolasetron in controlling acute chemotherapy-induced nausea and vomiting. The study, led by Dr. Marianne Tan, showed that 69.2% of patients treated with Kytril experienced total control of nausea and vomiting, compared to 23.1% for dolasetron.
A recent study reveals that feeding tubes do not necessarily improve the quality of life for patients with severe dementia. The study analyzed data from over 385,000 nursing home residents and found that states with higher rates of
In southern Jordan, a team led by Thomas Levy from UCSD discovered the largest Early Bronze Age metal factory in the Middle East, dated to ca. 2700 BC. The site yielded hundreds of clay casting molds and thousands of stone hammers, anvils, and other artifacts.
Self-tanners contain dihydroxyacetone (DHA), which interacts with skin proteins to create a brown glow. Newer sunscreens offer greater protection against both UVA and UVB radiation, including those developed by Craig Bonda, who found that adding DEHN to avobenzone extends its effectiveness.
A long-term industry-funded rat study has found no statistically significant increases in any tumor type, including brain cancer, after exposure to radio frequency radiation at common cell phone signals. The study builds on earlier research and suggests the greatest hazard with cell-phones is driving a car while talking.
Researchers discovered a molecular switch that guides cell communication before a message reaches the nucleus, adding complexity to understanding cellular signals. This switch determines which signal - calcium or cAMP - will be used, leading to different responses in target proteins and potential therapies for serious disorders.
The US Department of Energy's Argonne National Laboratory has developed a small, portable neutron detector that can detect hidden nuclear weapons and materials. The device uses a wafer of gallium arsenide coated with boron or lithium to detect neutrons, producing a cascade of charged particles that is easy to detect.
Great Lakes rip currents can be deadly, but knowing how to identify them and escape is crucial. Longshore currents flow along the shoreline, while rip currents flow perpendicular to it; always swim perpendicular to the current. Cold water multiplies danger, so take necessary precautions when swimming in cold water.
Researchers at Ohio State University have synthesized hydrogen thioperoxide (HSOH), a sulfur-containing molecule considered a 'missing link' in its chemical family. The molecule's unique spectral pattern was recorded using a new laboratory instrument, FASSST, allowing scientists to study it for the first time.
Research by Wake Forest University professor suggests that hormone replacement therapy can help prevent heart vessel disease when started at the right time. Studies on postmenopausal monkeys and younger women have found a strong link between estrogen therapy and reduced fatty build-up in the heart's arteries.
A population-based study suggests that a diet high in foods containing vitamin E may help protect against Alzheimer's disease, with the most significant protective effect found among those with the lowest dietary vitamin E intake. The study also found no association between vitamin E supplements and reduced risk of AD.
Researchers at Purdue University have developed a new approach to protect software by placing hundreds of tiny 'guards' throughout the code, making it harder for hackers to use the program without permission. The system has shown promising test results and is being licensed to a startup company, Arxan Technologies Inc.
Nearly a third of surveyed glaucoma patients reported difficulties with taking multiple medications, citing missed dosing and inadequate waiting periods. Physicians advocate for more patient education and convenient treatments to improve compliance and vision outcomes.
Mayo Clinic researchers have developed a new imaging test for diagnosing breast cancer using the MR elastography technique, which provides data on tissue stiffness. This technology has shown promising results in detecting breast cancer with high accuracy and may reduce the need for biopsies.
Researchers found that women with breast cancer were more likely to have lived closer together at birth and at menarche than those without the disease. Early environmental exposure may influence breast-cancer risk, according to the study's findings.
Researchers at Ohio State University have found that certain ceramic materials, called cuprates, can switch between two types of superconductivity under specific circumstances. This discovery could settle a long-standing controversy among scientists and potentially lead to the development of buckyball-like superconductivity in ceramics.
Researchers at Texas A&M University are investigating the healing properties of Aloe vera, particularly its polysaccharide, which binds growth factors in wounds and speeds up the healing process. The study aims to improve wound healing for elderly patients with bedsores, diabetic ulcers, and vascular ulcers.
Researchers studying isoprene emissions from oak trees in Houston have found that these reactions can lead to increased ozone production and ground-level air pollution. The study aims to understand the critical steps in this process to mitigate environmental damage.
Working parents spend the same amount of time physically present in school as non-parents, but find ways to care for their children by reducing personal time and leisure activities. Teachers with older children also contribute to childcare by taking on extra duties.
The study aims to optimize planned control of the parasitic fish that have had a devastating impact on native fish populations in Lake Champlain and the Great Lakes. Anglers will be asked to collect marked sea lampreys from their catches, providing valuable data for researchers.
The NOAA-17 satellite has been successfully launched into orbit, providing improved imaging and sounding capabilities for weather forecasting and climate monitoring. The spacecraft will collect meteorological data and transmit it to users worldwide.
Researchers at Washington University School of Medicine have found that a defective form of vWF causes chemical bonds to persist longer than they should, leading to a bleeding disorder. The defect in the vWF protein changes the kinetics of the chemical bonds between the protein and platelets, resulting in the disease.
Allen, a Thomas Worthington High School chemistry teacher, has won the American Chemical Society's Regional Award in High School Chemistry Teaching. Her student-centered approach and extracurricular activities have inspired over 70% of her students to continue studying physics.
A collaborative research programme is examining the works of Dutch painters from the 15th to 20th century, focusing on artist techniques and studio practices. The projects aim to understand paint degradation and restoration procedures, providing valuable insights into the lives and methods of Old Masters.
A new study of 59 chronically ill children reveals that well-adjusted and supportive mothers are less likely to experience depression in their children. Children with stable caregiver relationships tend to cope better with chronic pain, suggesting early interventions for struggling caregivers could benefit the entire family.
The Society for Women's Health Research is launching a new series on women and pharmacology, covering topics such as sex differences in drug metabolism and the risks of polypharmacy. The seven articles will provide valuable information to the public on how drugs affect women and inform efforts to improve women's health.
Six scientists are recognized for their groundbreaking work on biodiversity conservation in China, Ecuador, Madagascar, Peru, and the US. The winners' efforts focus on tracking animal evolution, establishing national parks, studying lemur populations, and promoting indigenous cooperation.
Scientists have discovered two new monkey species, Callicebus bernhardi and Callicebus stephennashi, which are named after Prince Bernhard and Stephen Nash. These discoveries highlight the vast biodiversity of the Amazon rain forest, with over 95 species of primates found in Brazil alone.
Biologists found that nematodes use a sophisticated mechanism to render transposons harmless, preventing them from making proteins and jumping through DNA.
The American Academy of Neurology has released new guidelines for neuroimaging in premature and low-birth-weight infants. The guidelines recommend screening cranial ultrasonography for all preterm neonates under 30 weeks gestation, with follow-up imaging at 36-40 weeks gestation.
The EO-1 satellite has produced over four times the expected volume of imagery, demonstrating the effectiveness of its Hyperion and Advanced Land Imager (ALI) instruments in monitoring Earth's surfaces. These instruments have already proven invaluable in applications such as forestry and agricultural crop assessment.
The Materials Processing and Characterization (MPC) program at Ames Laboratory is offering research proposals for scientists in Condensed Matter Physics, Materials Science, and Physical Chemistry. Proposed projects can focus on developing fundamental materials processing knowledge, materials process models, or synthesizing novel materi...
Researchers have discovered that protein simulations can be completed in 7 femtoseconds, three times faster than previous methods. This breakthrough enables the efficient calculation of biologically interesting processes such as protein folding.
Brown algae's DNA composition was examined to reorder the division Phaeophyta, resulting in a new classification of 20 orders. A new species, Sphacelaria tsengii, was also discovered with unique propagules used for asexual reproduction.
The Romans developed various pragmatic solutions to water problems, such as using wells in Ostia and small elevations in Pompeii to guide rainwater. However, their sewage systems were often simple and not as advanced as modern standards.
Cancer cells invading blood vessels and lymph vessels allows them to grow anew in other parts of the body. NFAT protein is found to be contributing to aggressive behavior of cancer cells and associated with alpha 6 beta 4 integrin, a hallmark of metastatic tumors.
Researchers at Penn State College of Medicine have discovered that a protein previously thought to be in the nucleus resides in the cytoplasm, correcting a scientific theory since 1992. This finding offers new parameters for understanding gene switches and their role in human diseases.
Researchers found that combining irbesartan with amiodarone significantly reduced the likelihood of recurring atrial fibrillation. The study involved 154 patients and showed a nearly 85% probability of maintaining a stable heartbeat for those treated with irbesartan, compared to 63% for those without.
The new site organizes institute information into seven major categories, including Research, Health, and Careers. NHGRI's commitment to ELSI and educational resources make it a valuable resource for the public and professionals.
Ford researchers Ellen C. Lee and Deborah F. Mielewski discover a new process to evenly distribute silicate clay particles in plastic matrices, resulting in improved strength, lightness, and design flexibility.
Aqua has successfully transmitted engineering images from five of its six instruments, providing a glimpse into the spacecraft's performance and paving the way for operational data in early September. The high-quality data will help improve weather forecasts and advance our understanding of Earth's climate system, particularly the role...
Research by Mayo Clinic found neurological symptoms account for 31% of in-flight medical complaints, with dizziness/vertigo and seizures being the most common reasons for diversion. The study recommends airlines carry anti-epileptic drugs to improve in-flight care
A pioneering liquefied natural gas (LNG) facility has been unveiled in California, featuring a patented technology that dramatically reduces LNG plant size and cost. The new facility can be easily transported and placed close to clean-fuel customers, providing emergency services and faster gas service recovery.