A study published in American Journal of Clinical Nutrition found that adult obesity is predicted by family social class and weight history. The research examined the relationship between body mass index (BMI) and social class across four generations. Early age at menarche was also linked to later obesity, while BMI at age 14 was a str...
A new combination therapy has shown promise in reducing ischemic complications after a heart attack. The study found that combining full-dose tenecteplase with prolonged subcutaneous administration of enoxaparin resulted in significantly fewer endpoints compared to other treatments.
Researchers will explore the Hudson Submarine Canyon, a conduit to the deep ocean, to study urban impact on canyon and deep sea life. The team aims to discover unusual creatures, investigate gas hydrates for offshore energy potential, and assess pollution recovery.
Researchers at Mayo Clinic have successfully bred mice with both amyloid plaques and neurofibrillary tangles, the key pathologic hallmarks of Alzheimer's disease. The double transgenic mouse model provides a more complete representation of human AD and will enable researchers to test therapies aimed at preventing or halting progression.
Researchers use reflectance spectroscopy to determine the meteorite's composition, providing clues about early solar chemical evolution and differing from any seen in meteorites so far. The findings were published by NASA's Johnson Space Center and Brown University, funded by grants from NASA.
Researchers found that Drosophila neural precursor cells sequentially activate four different transcription factors, allowing them to maintain differences based on their time of birth. This 'memory' is crucial for normal brain development and may have implications for understanding human neural development.
Researchers found that patients with either a third heart sound or elevated jugular venous pressure were more likely to have progressive heart failure and subsequent hospital visits due to heart failure. The study highlights the importance of physical examinations in predicting outcomes for heart failure patients.
A study found that socially stressed mice were twice as likely to die after infection with a compound than physically stressed mice. The researchers believe social stress intensified the immune response, leading to toxic shock and organ damage.
Researchers at the University of Pennsylvania will explore ways to incorporate a focus on embedded computer reliability into product design, developing models and analysis tools to identify potential bugs. The goal is to improve product dependability and reduce costs by predicting reliability earlier in the design phase.
A study by UF researchers found that most sedentary adults overestimate the intensity of their moderate activities, with only a small percentage reaching high-intensity levels. The findings suggest that better guidance is needed for adults to define their level of activity and receive the greatest cardiovascular benefits.
The new global network of listening posts will track atmospheric signals from diverse events like secret nuclear tests, volcanic eruptions, and hurricanes. Infrasound energy is generated by meteors, chemical explosions, supersonic aircraft, tornadoes, landslides, earthquakes, and volcanoes.
A team of Belgian and French astronomers have discovered three distant stars with extremely high Lead abundances, exceeding other elements heavier than Iron. This finding aligns with current stellar models predicting the buildup of heavy elements in stellar interiors.
Researchers suggest that Yasmin, with its unique progestin ethinyl estradiol combination, holds promise for reducing PMDD symptoms and improving women's lives. A three-month study found that 82 women taking Yasmin showed greater improvement than the placebo group.
The partnership aims to explore the impact of protein folding on diseases using IBM's Blue Gene research project and ORNL's supercomputing power. This effort will scale computer performance to petaflops, enabling breakthroughs in biology, climate science, and nanotechnology.
Brittlestars, also known as serpent stars, possess a unique 'visual' system that enables them to detect shadows and escape from predators. Their skeletal elements feature crystal lenses that transmit light to their nervous system, allowing them to respond to light changes.
Researchers have shed light on the brutal treatment of Maya scribes who supported defeated kings. The scribes' fingers were broken before they were executed, as part of a bizarre practice that muffled their ability to produce powerful texts. This practice highlights the importance of these scribes in Maya society.
Researchers at Ohio State University found that social stress makes specific immune cells resistant to corticosterone, a hormone regulating inflammation. This resistance can lead to uncontrolled inflammation, increasing the severity of infections and tissue damage.
A new study from Ohio State University finds that Republican presidents are associated with increased US prison populations. The research controlled for various factors and found a significant correlation between Republican administrations and rising prison rates.
Two Cornell University researchers are working on separate projects to develop new devices that could lead to huge increases in data storage and processing speed. George Malliaras is investigating the electrical properties of individual molecules, while Robert Buhrman is studying spin manipulation and quantum manipulation.
A new study published in the Journal of Women’s Health and Gender-Based Medicine found that oral contraceptive Yasmin significantly reduces premenstrual pain, acne, and food cravings associated with PMDD. The study enrolled 82 women aged 18-40 who experienced severe PMS symptoms.
Scientists use ion-trap secondary ion mass spectrometer (IT-SIMS) to detect chemical warfare agents like HD and VX at part-per-million levels. The technique offers increased specificity, speed, and minimal sample preparation, making it ideal for environmental restoration and national security applications.
Researchers at U-M discovered nearly 200 genes with varying expression profiles in normal and malignant prostate tissue. The study identified new clinical biomarkers, hepsin and pim-1, which were correlated with patient prognosis and could lead to new diagnostic tests.
Research shows that children who bully others have fewer health problems than their victims, while those who are both bully and victim experience more physical and psychosomatic issues. Breaking the cycle of bullying in early primary school years is crucial to prevent long-term health problems.
Researchers at Rockefeller University have identified a new model of staph drug resistance that implicates an unlikely protein. The study shows that the mecA gene confers resistance to methicillin and other antibiotics by coding for a different PBP, which is not destroyed by beta-lactam antibiotics.
Researchers at the University of Pittsburgh Medical Center have successfully implanted LBS-neurons into patients with chronic stroke, showing a greater than 10% increase in metabolic activity in damaged areas. The surrounding area showed maintained or improved function, suggesting integration of the new neurons.
Researchers at Purdue University developed a method to use pesticides in a precise way to stop genetic resistance from arising. Using multiple pesticides together can delay resistance for decades, potentially reducing costs and social impacts.
The Agrobacterium genome, a key tool for genetic engineering of foodstuffs, has been sequenced and made publicly available. This will provide insights into its unique properties and enable the development of more nutritious and resilient crops.
Researchers from CU-Boulder are using tiny, unmanned planes to monitor conditions like temperature, humidity, and wind speed during tropical storms. The flights will provide high-resolution video footage and help understand sea-surface changes during hurricanes.
US children perform worse in math and science compared to those from single-parent households in countries with strong family policies. Financial and support benefits compensate for economic and time constraints. The US lags behind other industrialized countries in providing aid to poor and single-parent households.
Research suggests that breastfeeding duration may impact cognitive development. Children breastfed for less than three months were more likely to score below average on mental skills and total intelligence at ages 13 months and 5 years. The study controlled for factors like mother's age, education, and smoking habit.
Researchers from UCSF found that folic acid and vitamin B12 supplements can lower homocysteine levels by 25% and 7% respectively, resulting in a 8-13% decrease in heart disease rates and deaths. The study estimates that adding these supplements to daily grains could save $24 billion over 10 years.
Robert S. Langer will deliver a presentation on biomaterials and their impact on medicine, revolutionizing drug delivery and tissue engineering. His research has led to groundbreaking treatments for brain cancer, including an FDA-approved treatment that extends patient lives with fewer side effects.
A long-term study of over 1000 Finnish men found that reduced lung function due to smoking increases the risk of death from all causes. Quitting smoking halts this decline and reduces mortality risk, suggesting preserving lung function in later life may predict a longer life.
A study of French data from 1987-1997 found that heart attack deaths peak on weekends among young and middle-aged men. The exact reason for this is unknown, but strenuous activity during the weekend may contribute to increased risk.
Researchers found that current marriage conditions, including weekly work hours and household responsibilities, have a greater impact on marital satisfaction than spouses' past relationships. The study also revealed significant gender differences in how these factors affect marital quality.
Jean M.J. Frechet, a renowned Berkeley chemist, has been honored with the 2001 Arthur C. Cope Scholar Award for his groundbreaking research on dendrimers, complex organic compounds with various applications, including drug delivery to tumors and light-harvesting antennae.
Researchers at Dartmouth/VA reveal that operative mortality for major surgery varies significantly by procedure and patient age. Elderly patients face two- to four-fold higher mortality risks than younger patients, highlighting the need for more realistic estimates in decision-making.
Researchers will model and study supernovae to discover how they occur and the complex physical processes involved. They aim to understand challenging issues in theoretical and computational physics, advancing national security interests.
A chemist at Ohio State University has won a national award for his work on studying reactive intermediates in chemical reactions. He is using high-tech techniques to 'freeze-frame' these ephemeral species, which are crucial in determining the success or failure of reactions.
Researchers at the University of Illinois Chicago have developed a fluorous chemistry-based method to convert alcohols into aldehydes and ketones, retaining the convenience of the Swern reaction. The new reagents eliminate the byproduct dimethyl sulfide, producing an odorless and easily recyclable alternative.
Researchers at Howard Hughes Medical Institute developed a new parallel focusing method to solve the Poisson-Boltzmann equation, enabling efficient simulation of complex biomolecules. This approach allows for high-resolution modeling of molecules like microtubules and ribosomes, providing insights into their collective properties and p...
Smoking cessation can lead to significant improvements in heart disease risk factors within a few weeks of quitting or reducing smoking. The sooner an individual quits, the more substantial the benefits will be.
Jeffery W. Kelly's work focuses on designing and utilizing small molecules to prevent neurodegenerative diseases similar to Alzheimer's but more rare. His team's molecular braces are now in preclinical trials for disorders like familial amyloid polyneuropathy.
Research finds that student activism is linked to extracurricular involvement and a strong social network. Students who are well-established in campus life are more likely to participate in protests.
A study found raw (uncooked), contaminated alfalfa and clover sprouts cause illnesses in California, leading to six outbreaks of salmonellosis and E. coli 0157. Researchers also discovered that hormone replacement therapy (HRT) may help lower blood pressure in women as they age.
The Terra satellite beams daily images of western U.S. wildfires to NASA, which are then transmitted to the Forest Service. The collaboration uses MODIS data to create Active Fire Maps that help resource allocation decisions and aid in public understanding of fire locations.
John Montgomery, a Wayne State University chemist, has developed a new method to create complex molecules efficiently. He achieves this by making multiple bonds at once, using catalysts based on reactive nickel.
A study found that emotional smokers have a harder time quitting due to the urge to smoke triggered by anger or anxiety. The research also revealed gender differences in emotional triggers of smoking, with men more likely to smoke when angry and women more likely to smoke when happy.
A new enzyme increases the number and size of heart muscle cells in mice, allowing them to live longer. This discovery could lead to gene-based therapies for heart disease, with potential benefits for millions of Americans affected by the condition.
A study by Dartmouth Medical School researchers found significant regional variation in neonatal intensive care workforce distribution, with cities like Washington DC and Newark NJ having higher numbers of neonatologists. The team's findings suggest that more resources do not necessarily lead to better outcomes for newborns.
Chemist Nicole S. Sampson has made significant breakthroughs in understanding the process of fertilization, discovering that protein fertilin-beta binds to egg protein alpha-6 beta-1 integrin. Her research could lead to new applications for sperm mimics and insights into tissue formation.
Murray Goodman, a bioorganic chemist at the University of California, San Diego, has developed new strategies to create more effective and selective drugs. His research aims to mimic the action of peptides, which help direct processes in the body, and improve upon their natural opioids.
Researchers created atomic-resolution maps of microtubules and ribosomes to understand their functions in transporting drugs like taxol. The maps revealed areas that play a key role in intracellular transport, with potential binding sites for such drugs.
A study by Steven M. Ortiz finds that athlete wives develop coping strategies to deal with the stress of infidelity, often using humor or changing boundaries of trust. The wives who marry athletes for glamour and money may be more accepting of their husbands' affairs.
A new study by Harvard Medical School researchers suggests that complementary and alternative medicine (CAM) is here to stay for the foreseeable future. The use of CAM therapies has steadily increased in popularity since the 1960s, with the largest growth rate occurring during the transition from the 1960s to the 1970s.
Researchers are conducting field studies on three Hawaiian islands to examine the origins and evolution of plant life on Earth. The team is collecting plant samples in various ecosystems to identify invasive species and determine their impact on native biodiversity.
Physicists at Brookhaven National Laboratory have produced a significant number of 'doubly strange nuclei', containing two strange quarks, to study nuclear forces and neutron stars. The discovery uses statistical techniques to infer the presence of these nuclei, which may provide insight into the properties of neutron stars.
Corn-based biodegradable plastics have won a national award, thanks to Cornell chemist Coates' innovative work in developing polymers that can be easily absorbed by the environment. His research has also led to new applications, such as sutures and drug delivery systems.
University of North Carolina chemist Michael T. Crimmins wins national award for developing laboratory methods to create compounds with anti-tumor activity and potential health benefits. His team successfully synthesized a chemical from the gingko tree called gingkolide B, which may also delay Alzheimer's disease onset.
Researchers analyzed lake sediment samples to find two naturally occurring warm periods in Alaska spanning 2,000 years. The initial period occurred from A.D. 0-300 and was accompanied by drier conditions; the second period corresponded to the Medieval Climatic Anomaly, a global warming event.