Researchers used a novel technique to identify and precisely locate all predicted C. elegans genes, finding that 56% did not match the actual genes. The success in the worm genome suggests it can be applied to the human genome, bringing scientists closer to an accurate map.
A study by the University of Texas M. D. Anderson Cancer Center reveals a strong correlation between the loss of AP-2( transcription factor and the progression of different human gliomas. The findings suggest that this gene acts as a tumor suppressor, controlling various genes involved in cell proliferation and invasion.
A recent study warns of a dramatic decline in western equatorial Africa's great ape populations, with gorillas and chimpanzees facing nearly 60% decline since 1983. The research highlights the urgent need for aggressive investments in Ebola prevention, law enforcement, and protected area management to ensure their survival.
A study published in Nature reveals that wild chimpanzee and gorilla populations have declined by over 50% in the past few decades, with an estimated 80% decline expected within 30 years. The researchers attribute this to illegal hunting and Ebola outbreaks, highlighting the need for improved anti-poaching laws and Ebola research.
USC researchers have discovered the molecular mechanism behind immunoglobulin class switching, which enables antibodies to adapt to different areas of the body. The study reveals that an R-loop forms between the DNA and RNA strands, creating a stable bond that determines the cut point for DNA splicing.
Scientists have detected a rare nuclear fusion process that violates charge symmetry, allowing hydrogen to exist. The rate of this process is expected to provide clues about the cause of the violation, which may be linked to quarks.
Researchers discovered that protons at rest can take on various shapes depending on the speed and spin of quarks inside. The findings challenge traditional physics textbook descriptions and offer clues for unifying the four forces of nature into a theory of everything.
Two new studies presented at the American Academy of Neurology meeting found that ARICEPT treatment improved cognition in patients with mild cognitive impairment (MCI) and reduced behavioral symptoms in those with Parkinson's-related dementia. These findings provide encouraging news for millions of Americans affected by MCI.
The study finds that adding Keppra to standard therapy can lead to seizure freedom in refractory patients with a moderate increase in costs. This results in significant healthcare savings, making it a cost-effective alternative.
The study found a specific genetic risk factor, the J haplogroup, to be protective against Parkinson's disease, particularly in white women. The researchers also discovered that this variant is more common in people with lower incidences of the disease.
A prototype PDA system made shopping easier and more efficient for participants, who appreciated the ability to identify item locations. However, difficulty holding the device while shopping was a drawback, prompting designers to create an alternative cart-mounted version.
A study showed that ARICEPT, a leading Alzheimer's treatment, is also effective in treating vascular dementia (VaD). Patients with VaD who received ARICEPT demonstrated significant improvements in cognition and daily living activities. The study suggests that ARICEPT may be an important measure of treatment success for VaD patients.
A 52-week extension trial found that lanthanum carbonate successfully maintained lowered phosphate levels in patients with end-stage kidney disease. The study demonstrated a good safety profile, with no treatment-related serious adverse events, and supported the use of Fosrenol as a long-term treatment option.
The first International Preeclampsia Summit is being held to bring together experts in the field to discuss ways to intervene and reduce maternal illness and death due to preeclampsia. The summit aims to prioritize appropriate treatment options for this top cause of maternal mortality.
Despite historical perception that men made stone tools, a UF study found that women in the Konso ethnic group of Ethiopia dominate this activity, creating scrapers for animal hides. The discovery highlights the importance of stone tools in the archaeological record and sheds light on the role of women in prehistory.
The gamma ray burst, discovered by the ROTSE (Robotic Optical Transient Search Experiment) collaboration, has an intensity 100 times greater than previously observed. Its proximity to Earth allows for detailed study of its decaying light.
A new analysis of the Moderate to Severe Alzheimer's Disease Study (MSAD) found that ARICEPT significantly improved global function, cognition, and activities of daily living in patients with severe Alzheimer's disease. The study showed that ARICEPT also reduced behavioral symptoms associated with the disease.
Researchers at Georgia Tech have developed a prototype software program called InfoCanvas, which creates an abstract pictorial representation of information people want to monitor. The canvas displays on a separate monitor and uses icons to represent different data elements, gradually changing as information updates.
A study found that organic production practices had a slight impact on corn and soybean yields, with reductions of up to 19% compared to conventional methods. The organic strategy also had lower production costs, but net returns were equivalent to the conventional strategy.
Researchers found that positive attitudes toward exercise most strongly influenced intention, followed by control over obstructing factors. Pregnant women who exercised reported improved physical condition, reduced discomfort, and increased energy. Postpartum barriers include exhaustion and lack of time.
Emory researchers found that neurointensive care specialists can reduce mean length of stay by 34% for subarachnoid hemorrhage patients and 30% for ischemic stroke patients. Ventilator use also decreased by 76%, with a significant increase in opportunity days, indicating improved quality of care.
Scientists have found that bacterial endospores can survive in a simulated Martian environment, raising concerns about future space missions. The discovery highlights the potential for Earth-borne endospores to hitch a ride to Mars and compromise efforts to detect life on the planet.
Researchers found that women who used oral contraceptives for over 5 years were at a significantly higher risk of developing cervical cancer. The study analyzed data from 28 studies and found that the relative risk of cervical cancer increased with increasing duration of use, with risks doubling after 10 years.
Researchers found over 100 distinct fossil leaf species, including dicots, monocots, and conifers, at the Laguna del Hunco site. The discovery reveals that high neotropical diversity existed as far back as 52-53 million years ago.
A study of 917 patients found that functional decline was steady and not marked by a sharp point in time, challenging the Medicare hospice model. The researchers suggest that alternative care systems are needed to provide adequate support for frail elderly individuals with progressive decline.
Researchers found significant improvement in fatigue among MS patients who participated in yoga and exercise groups compared to a waiting list group. The study suggests that activity interventions may have a positive impact on quality of life for people with multiple sclerosis.
The PNNL-developed microscale fuel processor, the smallest integrated catalytic fuel reformer in the world, provides a low-watt power source for hand-held devices. This compact system enables soldiers to operate essential electronic equipment without added weight or bulk.
A study found that older gay men and lesbians experience profound marginalization in social and political life, delaying medical attention and increasing health risks. Developing resilience has helped them cope, but also creates anxiety and fear when facing institutional reliance.
The report recommends building disaster resilience into utility infrastructure, strengthening emergency response systems, and establishing constitutional legitimacy for disaster management. The authors aim to reduce the vulnerability of Caracas to natural hazards through innovative interdisciplinary approaches.
The Structural Genomics Consortium will determine the three-dimensional structure of over 350 human proteins, focusing on cancer, neurological disorders, and infectious diseases. The project aims to produce protein structures by the end of 2003, with all structures released freely into the public domain.
Researchers found that nearly seven percent of stroke patients with a-fib experienced strokes after discontinuing warfarin for medical procedures. The study highlights the risk of stroke in a-fib patients and suggests a more conservative approach to anti-clotting medication management prior to surgery.
A Cincinnati engineering study has found a potential remedy for Bangladesh's mass arsenic poisoning problem, suggesting deeper wells as a safer alternative. The research team recommends wells over 400 feet deep to reduce contamination risk.
Rep. Biggert, a strong supporter of math and science education, has successfully sponsored legislation to increase funding for K-12 Math and Science Partnership Program. She also works closely with the American Chemical Society to increase funding for the Department of Energy's Office of Science.
Researchers found that elderly patients often experience a loss of function after hospitalization, with over 50% of those 85 and older experiencing functional decline. This decline can lead to institutionalization, increased burden on caregivers, and higher healthcare costs.
New research links bright beak colors to healthier immune systems in male birds, with carotenoids playing a key role in conveying individual health. The studies provide the first direct evidence that males' flashy features accurately indicate their fitness.
A study by Emory researchers found that controlling blood glucose levels through aggressive insulin therapy can significantly reduce mortality in critically-ill neurological patients. The research, conducted in a neurointensive care unit, used continuous intravenous insulin drip to achieve tighter control of glucose levels.
A new rapid blood test, ELISPOT, developed by Ajit Lalvani and colleagues at the University of Oxford is more effective than the century-old skin-prick test for diagnosing TB infection. The test enables early detection of people infected with TB, preventing them from developing active tuberculosis.
A NASA study found that El Nino events, such as the 1997-1998 event, lead to unusually high biomass burning globally, producing more pollution than fossil fuel combustion. The study assessed smoke pollution from biomass burning in Southeast Asia, Africa, and South America during these droughts.
The National Cancer Research Institute (NCRI) has launched the National Cancer Tissue Resource to address the fragmented approach to collecting and using tumour samples for research. Key areas of study requiring large-scale sample collection include predicting outcomes, identifying inherited markers, genetic susceptibility to cancer.
A review by Aglaja Stirn discusses the history, procedures, and complications of body piercing. She aims to raise awareness of the risks associated with the practice and create understanding of its motivations.
A study in Ecuador found that over a third of adults had high blood pressure, with fewer than 1% having well-controlled hypertension. Most cardiovascular deaths were among younger individuals, highlighting the need for accessible care and affordable drugs.
A policy report by Oregon State University professor Steven Strauss argues that government regulations on genetic engineering are stifling research and favoring large corporations. The report suggests reducing regulations for
A longitudinal study found that high fruit and fruit drink consumption predicted an increased risk of Parkinson's disease. However, vitamin C intake was not associated with the risk. The study suggests further research into food-borne toxins may help understand the etiology and prevention of the disease.
Memantine, a new drug, has been found to slow the mental and physical deterioration of patients with moderate to severe Alzheimer's disease. The study, led by Dr. Barry Reisberg, showed that patients taking memantine experienced significantly less decline in cognition and daily life activities compared to those receiving a placebo.
A new study reveals significant differences in smoking prevalence among men and women of different immigrant statuses and countries of origin. The findings show that US-born individuals have higher smoking rates than foreign-born individuals, with notable variations within Asian/Pacific Islander groups.
Scientists estimate a significant increase in low-energy cosmic ray flux, leading to enhanced heating and ionization in diffuse interstellar gas clouds. This finding implies the production of more complex molecules than previously thought, with potential implications for the origin of life.
Researchers present findings on heart disease in women, including a study linking reduced kidney function to coronary artery disease. They also showcase an innovative new-generation stent that overcomes design limitations and allows for tailored drug delivery.
Researchers have developed a non-invasive imaging method that predicts abdominal aortic aneurysm rupture risk better than traditional methods. The method, which analyzes aneurysm wall stress, was found to be 25 times more accurate in predicting rupture risk than maximum diameter.
Researchers have found the same gene responsible for fragile X syndrome, a developmental disorder in children, also causes Fragile X Associated Tremor/Ataxia Syndrome (FXTAS) in male carriers, leading to neurodegenerative symptoms. The study aims to develop therapies for both conditions.
Female coots can accurately count their own eggs in a mixture, rejecting parasitic eggs and altering clutch size. This remarkable feat provides insight into the complex defense mechanisms used by coots to thwart brood parasitism.
A study of 4,615 elderly individuals found that physical health problems had a greater impact on their health behaviors than mental health issues like depression. Regular contact with healthcare providers may encourage better health practices among this population.
The SPORTIF III study demonstrates Exanta's efficacy in preventing stroke and systemic embolic events, with a 41% reduced risk of major bleeding events compared to warfarin. The fixed-dose oral medication offers a convenient alternative to traditional treatment, eliminating the need for coagulation monitoring and dietary restrictions.
The WMAP experiment's results confirm many aspects of inflationary theory while ruling out others. The latest trends in cosmology suggest a new era of precision cosmology, where speculation about the universe is confirmed or rejected by solid experimental data.
A Penn State study found that younger generations rely on the internet for travel information, while older populations turn to radio and TV. Internet awareness is increasing, leading to a substitution effect where TV users shift to using the internet and radio, and telephone use also increases.
A recent study found that high levels of Lp-PLA2 and CRP are associated with an increased risk of coronary heart disease, even in patients with 'normal' LDL cholesterol levels. The study used the PLAC test to measure Lp-PLA2 levels in participants and found significant associations between Lp-PLA2, hs-CRP, and CHD incidence.
Researchers found that mandatory reporting of seizures can lead patients to withhold information from their doctors, harming the doctor-patient relationship. The study also suggests that this may result in more uncontrolled seizures, posing a risk to public safety.
CERN and IBM will collaborate on a massive data grid project to handle the extreme data challenges of the Large Hadron Collider. The project aims to create a one petabyte storage solution and integrate it with Grid computing systems, enabling scientists to access their data from anywhere in the world.
A Penn study reveals that 200,000 Philadelphia households struggle to afford housing due to decreasing incomes and increasing costs. The city's low-income households rely on wages, not welfare, for income, which has decreased by 30% in the last 35 years.
Scientists have discovered fossilized evidence of a dinosaur, Majungatholus, that regularly consumed members of its own species. The discovery expands our understanding of dinosaur relationships and provides insight into the animal kingdom's common practice of cannibalism.
The study, published online in the Lancet, found that atorvastatin significantly reduces the likelihood of heart attacks and strokes in people with high blood pressure. The results are great news for those suffering from high blood pressure, as the drug also lowers cholesterol levels.