The NIAID human clinical vaccine trial tests an experimental vaccine composed of a small circular piece of DNA encoding the viral spike protein. The trial aims to assess the vaccine's safety and immune-stimulating effects in people, with results expected to inform future vaccine development.
A new method has been developed to remove MTBE, a carcinogenic pollutant, from water using a titanium dioxide catalyst. The catalyst causes MTBE to react with dissolved oxygen, producing harmless carbon dioxide.
UCR researchers Ludwig Bartels and team advance nanoscale electronics development by controlling chemical reactions one molecule at a time. They use an STM to guide individual molecules through step-by-step reactions, enabling fine-tuning of reactivity and optimizing atomic-scale construction of complex molecules.
A study by Saint Louis University found that pro-tobacco contributions speak louder to Democrats, but Republicans receive more money from the industry. The relationship between contributions and votes was three times stronger for Democrats than Republicans.
Researchers at Oregon State University have confirmed the results of an earlier study that found vitamin C involved in DNA-damaging compounds. The new findings reveal how vitamin C reacts with and neutralizes toxic byproducts of human fat metabolism, providing a protective role against genetic damage and inflammation.
Researchers developed a broad-based vaccination for Lyme disease by targeting white-footed mice, which play a key role in spreading the disease. The study found that vaccinating these mice reduced nymphal infection prevalence by 16% and had potential implications for preventing other vector-borne diseases.
A study found that exposure to anger, negative emotions, or sudden changes in body position can increase the risk of stroke by up to 14 times within two hours. The study examined 200 people with ischemic strokes and found a link between these triggers and stroke, potentially offering new avenues for prevention and intervention.
A study found that prostate cancer patients receiving androgen deprivation therapy were at high risk of osteoporosis, yet few received prevention or treatment. Only primary care physicians were aggressive in managing osteoporosis risk.
A study employing magnetic resonance imaging (MRI) confirms long-held suspicions about the complexity of language processing in the brain. Researchers identified a new language area, dubbed Geschwind's territory, which connects to classical language areas via a separate route, shedding light on the evolutionary origins of language.
The study found that PET/CT imaging was effective in detecting new malignancy and precisely localizing disease extent in patients with suspected occult recurrent cancer. The imaging modality provided valuable information for treatment planning, potentially avoiding further invasive procedures.
A partnership between OneWorld Health, University of California - Berkeley, and Amyris Biotechnologies aims to produce an inexpensive antimalarial drug using synthetic biology. The goal is to reduce the cost of treatment to under $1 per adult course, making it more accessible to millions in developing countries.
Researchers propose a novel approach to battling Lyme disease by vaccinating mice, which can reduce the number of infected ticks that transmit the disease. The study shows an overall 16% reduction in nymphal infection prevalence after immunizing mice, highlighting the potential of this method to combat Lyme disease.
Researchers at Rockefeller University found that zebra finches use infant-like strategies to learn their song, with two distinct approaches: repetition and motif. These findings suggest a remarkable parallel between vocal learning in birds and human language acquisition.
Researchers at the Earth Institute explore drivers of hunger and infant mortality, develop improved radiocarbon dating techniques, and examine Arctic soot impacts on climate. They also use regional models to assess potential for extreme climate change.
Researchers at Argonne National Laboratory witness continuous structural change in glass under pressure, contradicting long-held theories. They also observe a dense, disordered octahedral structure for the first time, with internal angles deviating from perfect geometry.
A study found that stereotype-vulnerable black participants predicted their abilities less accurately and experienced fluctuating self-efficacy, highlighting the fragility of academic perceptions. This uncertainty can lead to unrealistic optimism and decreased motivation in the face of prejudice.
The Leducq International Network Against Thrombosis aims to encourage idea exchange between institutions researching thrombosis in vascular disease. The five-year grant will support faculty and students exchanging research time and technology.
A recent study identified lemons and lilac as among the top 10 smells that can predict Alzheimer's Disease. The study analyzed smell identification test results from patients with Alzheimer's disease and healthy elderly subjects, revealing a strong link between the inability to identify specific odors and the development of the disease.
A recent study suggests that Akt3 protein is key to melanoma's resistance to chemotherapy, promoting tumor cell survival and development in 43-60% of non-inherited melanomas. Lowering Akt3 activity can reduce tumor-creating potential and make cancer cells more susceptible to signals inducing apoptosis.
A team of MIT researchers has successfully created a patch of heart tissue that displays characteristics of mature cardiac tissue, including regular contractions. The innovation involves seeding cells onto a biodegradable scaffold and applying electrical signals to mimic natural heart rhythms.
Experts recommend improving government reimbursement rates, increasing staffing levels, and providing better training for nursing home staff. Family members share stories of inadequate care, including unneeded tests and treatments, but also praise compassionate gestures from attentive aides.
A six-year review of DETROL LA data found significant symptom reduction for overactive bladder patients, including improved quality of life measures. The medication was associated with a low frequency of side effects, particularly dry mouth.
The Hudson's Bay Company's pursuit of profits led to ecological stress, habitat destruction, and the decline of beaver populations. The company's focus on fur trading also introduced European farming methods and crops, altering the Northwest landscape and human population dynamics.
A $9.7 million grant led by Fred Hutchinson Cancer Center aims to create reliable and inexpensive blood tests for early cancer detection. The collaboration involves institutions worldwide, with a focus on identifying serum biomarkers and protein patterns to detect disease at an early stage.
Researchers found that broken ends of yeast chromosomes remain associated even after cell division, leading to genomic instability. The association was dependent on the molecular DNA repair machinery, which helps resist pulling forces of the mitotic spindle.
Researchers at Georgia Tech have developed a new approach to creating lightweight organic solar cells using pentacene, converting sunlight into electricity with high efficiency. The cells' flexibility and minimal weight make them suitable for powering various devices, from RFID tags to electronic devices.
Researchers at UT Southwestern Medical Center propose a new theory explaining the rapid evolution of species and their physical variations. They found that tandem repeat sequences in genetic code can lead to significant morphological changes, driving evolutionary changes and variability in appearance among individual members of a species.
Permafrost thawing poses significant challenges to the Tibetan train route, as predicted climate change and construction activity can cause soil melting. Crushed rock insulation helps mitigate this effect by minimizing heat intake and promoting cooling over time.
A new reduced-intensity stem cell transplant regimen has shown superior results in pediatric patients, allowing early recovery of immune function and nearly eliminating transplant rejection. The procedure, which uses a shorter and lower-dose treatment of Campath-1H, also reduces the incidence and severity of graft vs. host disease.
Researchers found that mice lacking integrin have impaired rod cell uptake, but can still collect debris; a protein trigger is needed to initiate digestion. Synchronizing timing scavenging may be key to maintaining proper cellular function and preventing age-related blindness.
A three-year study found that rigid gas permeable contact lenses slowed the progression of myopia by nearly 30 percent in nearsighted children. The study, which included over 100 children aged 8-11, showed that RGP lenses altered the shape of the cornea and reduced 'corneal steepening', a condition associated with nearsightedness.
Researchers have discovered a new gene, 15-PGDH, that acts as an antagonist to control the enzyme COX-2, a major early event in human colon tumors. The study found that 15-PGDH is directly controlled and activated by TGF-beta, and its presence can suppress COX-2 activity, potentially leading to tumor development without it.
A recent study found that ethanol exposure increases tumor size, blood vessel density, and VEGF levels in chick embryos, supporting the hypothesis that ethanol-induced angiogenesis contributes to cancer progression. The study provides new insights into the mechanisms underlying alcohol's association with various types of cancer.
Geologists have discovered evidence of massive ice-dammed lakes in the Himalayas, which burst and caused catastrophic floods. The discovery provides new insights into the geological history of the region and its impact on the surrounding landscape.
Bruce Danyluk, a Williams College computer science professor, has won an award for his significant contributions to computer science education. He is recognized for designing and implementing the college's computer science major and department, as well as developing national computer science curricula.
Researchers at Illinois have developed a new class of biological sensors using single-walled carbon nanotubes. These sensors can detect glucose concentrations in human tissue, providing potential applications for diabetes management and other medical conditions.
A four-year study by Yale researchers found that vaccinating white-footed mice reduced the number of deer ticks carrying Lyme disease. The study demonstrated a significant reduction in risk for humans getting Lyme disease from tick bites, but not as great as expected. Further development of oral vaccines is proposed to reduce human risk.
Researchers discover how the hepatitis virus's X protein influences liver cell behavior, potentially leading to alternative cancer therapies. The protein's presence in patients' livers could be harnessed to target only cancerous cells.
A new study predicts that up to 14% of all bird species will be extinct by 2100, leading to a decline in forest ecosystems and agriculture worldwide. This dramatic loss may also encourage the spread of human diseases and negatively impact ecosystem processes such as decomposition, pollination, and seed dispersal.
A recent study at Yale University found that the ADHD medication Ritalin has a comparable impact on adolescents with reading disorder, improving brain activity levels. The research used functional magnetic resonance imaging to analyze brain function and revealed altered areas of activation in response to cognitive tasks.
Researchers discovered that constant light causes visual impairment through a separate mechanism from retinal degeneration. A decline in rhodopsin concentration leads to blindness, and inhibiting its degradation may reduce the severity of visual impairment.
A Stanford study analyzed 40 ads for body scans and found that virtually none presented a balanced picture. The researchers recommend guidelines requiring more detailed information to be available to consumers, who are capable of being savvy consumers of medical technology.
Researchers identified phenolic compounds in pine bark extract with high biological activity, including potent inhibition of nitric oxide and prostaglandin production. The study suggests that consuming pine bark-based food supplements may help alleviate arthritis symptoms.
A University of Colorado at Boulder research team has discovered evidence of microbial activity in a rock glacier, a barren environment previously thought to be devoid of life. The discovery includes traces of dissolved organic material and high levels of nitrates, suggesting microbes metabolize nitrogen within the glacier.
A new camera system and software may reveal clues about how ocean currents affect erosion, as well as near-shore phenomena like rip currents. The findings suggest a more complicated picture of water movement than previously thought, requiring researchers to re-examine ideas about beach erosion and repair strategies.
A study found that cancer patients receiving long-term bisphosphonate therapy were at risk of developing jawbone necrosis, a condition that can lead to bone death and require surgery. The condition is often associated with tooth extractions or other major dental work while on the drugs.
A new method automatically extracts acknowledgments of funding agencies, institutions, and individuals in computer and information science papers. The study finds NSF leads in citations, while DARPA funds established researchers with high impact work.