News on early, curiosity-driven science that opens new directions. Covers materials discovery, AI-guided research, pediatric research standards, and energy science.
A new ovarian tumor index helps physicians accurately diagnose ovarian tumors as either cancerous or benign. The index uses real-time ultrasound findings, patient age, and other characteristics to provide a valuable way for clinicians to plan further testing, surgery, or other clinical management.
A 500mg daily vitamin C supplement reduced systolic, diastolic, and mean blood pressures by approximately 9% in hypertensive patients. Vitamin C's antioxidant properties may help protect nitric oxide levels and maintain healthy blood pressure.
Scientists made significant progress towards controlling human stem cells, which showed promise for treating a range of diseases. Adult stem cells also demonstrated the ability to shed their old identities and adopt new ones, opening up possibilities for important therapies.
Researchers have figured out how kinesin motors separate chromosomes, distribute embryonic material, and transport precious cargo in organisms. The discovery reveals a crucial leapfrog motion that allows the motors to move along microtubules, generating force to haul objects up to a thousand times their own size.
Researchers at Banyu Pharmaceutical Co. in Japan have designed a synthetic molecule that can block the molecular pathway of the opioid receptor-like 1 (ORL-1), leading to a better understanding of pain regulation. This breakthrough finding may pave the way for new and improved drugs to treat pain, as well as other neurological disorders.
The University at Buffalo has received a four-year, $3.8 million grant from the Howard Hughes Medical Institute to develop two new research centers, including a Center for Genomics and Proteomics and a Center for Single-Molecule Biophysics. Five new faculty members will be hired to further develop this area.
Researchers use Canadian Radarsat satellite data to uncover tributaries feeding giant ice streams, changing understanding of Antarctic ice sheet dynamics. High-resolution radar maps reveal complex patterns and fast-flowing glaciers, shedding light on the continent's past and potential sea level rise
The DFG will establish 21 new collaborative research centres in 59 universities, focusing on Cultural Sciences, Biology/Medicine and Natural/Engineering Sciences. The initiative aims to investigate various topics, including social integration, religion, cell regulation and disease mechanisms.
Researchers at UroGenesys identify a novel cell-surface antigen called STEAP, expressed on prostate cancers but rarely in non-prostate tissues. The discovery suggests STEAP may be a promising target for new treatments and diagnostic tools to monitor prostate cancer progression.
Researchers found an ozone level of 85 parts per billion at 20,000 feet, exceeding the new U.S. EPA standard, and other pollutants like hydrocarbons and carbon monoxide were also detected. The high-pollution plume originated from East Asia and could pose health risks if it reaches ground level.
Researchers at Princeton University developed a new patterning technology called Lithographically Induced Self Assembly (LISA), which creates arrays of ultrasmall pillars without the need for a carefully engineered mask. The technique has potential applications in computer memory chips, flat-panel displays, and DNA sorting.
Researchers found that women smokers are three times more likely to have the K-ras mutation and nearly four times more likely to die from lung cancer if they have it. The study suggests a link between estrogen and the initiation of K-ras mutant cells in lung tumors.
Researchers at Yale University have successfully characterized the function of yeast genes, providing new insights into how human cells work. The study's findings could lead to better understanding and treatment of diseases like cancer.
Researchers at Cornell University have successfully built single iron carbonyl molecules using a scanning tunneling microscope. The team used the microscope to attach carbon monoxide molecules to individual iron atoms, forming new molecules with unique properties.
Oregon Health Sciences University researchers have found a genetic link between vascular disease and the human cytomegalovirus (CMV), a member of the herpes family. The study suggests that CMV stimulates smooth muscle cell migration, leading to inflammation and blockage in artery walls.
Neurobiologists identified an alcohol-sensitive potassium channel that enhances neurotransmitter action, producing profound physiological effects in the central nervous system. The discovery has significant implications for understanding alcohol addiction and may influence neuron communication.
Researchers at TIGR have completed the genetic sequence of Deinococcus radiodurans, a bacteria that can withstand extreme environmental conditions. The study reveals its unique genome composition and large redundancy of repair functions, which may contribute to its exceptional radiation resistance.
The 1999 Fall Meeting featured press conferences on climate change, solar activity, and Mars exploration, as well as new discoveries in India and Antarctica. A digital library for Earth science education was also unveiled, providing rapid access to high-quality information.
Paul Coleman, a renowned neuroscientist, has been awarded $1 million by the Alzheimer's Association to investigate the earliest signs of Alzheimer's disease. His research team aims to develop a simple test that can detect the disease in its initial stages, potentially allowing for earlier diagnosis and treatment.
Researchers at Princess Margaret Hospital and AMGEN identify the role of T cells in bone destruction characteristic of many inflammatory diseases. The study reveals that T cells produce a substance that triggers bone loss, leading to severe osteoporosis and joint damage.
Researchers propose a novel mechanism for pericentromeric duplication, which has pulled disparate genes to the central regions of hominoid chromosomes. This process may have created new human genes and contributed to evolutionary divergence from Old World primates.
Researchers have discovered that environmental stimuli like smells can induce a neurochemical response in the brain that may reinstate alcohol-seeking behavior after withdrawal. This study suggests that understanding the mechanisms involved in relapse can lead to the development of medications that target specific critical neural systems.
A new program, Seeding Postdoctoral Innovators in Research and Education (SPIRE), aims to improve career prospects for postdoctoral students by providing diverse training. The program will give postdocs teaching experience while offering cutting-edge biology courses at historically minority universities.
Researchers found that patients with more extreme daily mood swings experienced greater improvements in therapy outcomes, regardless of treatment type. This suggests that increasing patient sensitivity to stimuli may be a more effective approach than finding the best therapy for each individual.
New research on prehistoric stone tools in Colombia's tropics has found no correlation between tool shape and function. The study concluded that prehistoric people used their simple tools for various purposes, including hunting, butchering, and working wood, regardless of the tool's shape.
A pair of hydrogen bonds in titin allows muscle to stretch and return to normal by regulating unfolding of protein sections. This finding is a significant step forward in understanding muscle elasticity and its role in cardiac muscular diseases.
Two groups of researchers at Colorado State University will receive funding to develop new drugs against tuberculosis, a leading bacterial killer causing 10 million new cases annually. The research teams will collaborate with pharmaceutical companies and use advanced testing infrastructure to identify potential anti-TB compounds.
Research suggests that some older adults have impaired decision-making skills, making them more vulnerable to fraudulent activities. A study found that a third of healthy individuals in their 60s performed poorly on a gambling task, similar to those with known brain damage.
A study published in Lancet suggests a genetic mutation in two genes, TEL and AML1, occurs during fetal development, leading to a potentially oncogenic protein. The fusion of these genes is not inherited but rather occurs during pregnancy, possibly due to a developmental accident.
A newly discovered gene in the pituitary gland is found to be activated by estrogen, leading to cell proliferation and tumor development. Researchers have identified this link between estrogen and pituitary tumor growth, which may lead to improved cancer diagnosis, assessment, and treatment.
Researchers will use marine microorganisms to discover new chemical compounds with anticancer properties, acting through non-traditional mechanisms. The study aims to identify novel agents that can accelerate the drug development process and improve treatment options for cancer patients.
Researchers from Mount Sinai Hospital and University of Toronto have discovered that Alzheimer's disease proteins also play a crucial role in mammalian development. The study used mice lacking PS1 and PS2 genes to investigate their normal function, finding that these proteins are essential for brain development.
Researchers Ally R. Harari and Jane Brockmann studied the behavior of Diaprepes abbreviatus beetles, finding that mounting females attracts larger males, improving female reproductive success. The beetle's behavior appears to suggest a different explanation for homosexual behavior than observed in domesticated animals.
Researchers are changing treatment methods for gum disease to focus on treating bacterial infections. This approach can save many teeth that were previously considered 'hopeless' and may reduce the risk of heart disease.
Researchers at Cornell University will use acoustic monitoring to count forest elephants in Africa, providing crucial information on population numbers and health. The project aims to support conservation efforts by tracking endangered species such as gorillas and rhinos.
Günter Blobel's work on protein signaling discovered the importance of signal sequences in targeting proteins to their proper intracellular destinations. His research has led to a deeper understanding of protein trafficking, with implications for drug delivery and cellular processes.
Researchers have discovered a reversible lipid imbalance that may be responsible for the common symptoms of cystic fibrosis. Administration of DHA corrected the imbalance and reversed signs of cystic fibrosis in mice with the genetic defect.
A recent study suggests that the immune system protein CD2AP may play a critical role in kidney function. Researchers found that mice lacking CD2AP developed defective glomeruli and died of renal failure, highlighting the protein's importance in maintaining kidney health. The discovery also sheds light on other diseases, such as congen...
Researchers have identified two genes contributing to asthma development: interleukin IL4 and IL13. Decreasing their activity may help reduce asthma attacks, with potential applications to other complex genetic conditions.
Researchers have uncovered six complete bone flutes at a 9,000-year-old Neolithic site in China, which may be the earliest complete, playable, and tightly-dated musical instruments. The flutes, made from red-crowned crane wing bones, have been analyzed and played, revealing a tone scale similar to the Western eight-note scale.
The matrilysin enzyme plays a key role in activating defensins to combat bacterial infections in the intestine. The researchers found that matrilysin is essential for regulating antimicrobial activity and protecting the epithelial lining from bacterial invasion.
A genetically-engineered mouse model helps researchers better understand how folic acid protects against neural tube defects and cleft lip/palate by explaining the transport of folic acid within cells. The study may also shed light on why Hispanic women don't seem to benefit from taking folic acid supplements.
The Indiana University Cancer Center has been designated as an NCI-recognized clinical cancer center, bolstering its $33.3 million annual funding for cancer research projects. The grant enhances collaboration between researchers and physicians to target clinical problems and apply findings to new patient treatments.
A common intestinal parasite has rewritten the understanding of hemoglobin's evolution and role in nature. The parasite reveals that hemoglobin evolved primarily to handle nitric oxide rather than oxygen.
Researchers at the UK College of Medicine are developing a technology to deliver drugs directly into brain tissue to treat Parkinson's disease. The team plans to use a modified Medtronic pump to deliver GDNF, a protein that has shown promise in protecting dopaminergic neurons in preclinical studies.
Armstrong's groundbreaking work elucidated the physical processes underlying electrical signaling in and between cells. His research has contributed significantly to our understanding of ion channels and their role in transmitting nerve impulses, with implications for drug development and treatment of various diseases.
Researchers are developing tiny, chip-based laboratories to speed up the search for new medicines by analyzing thousands of compounds simultaneously. This microscale analysis will enable faster, more cost-effective discovery in the fields of materials science and chemistry.
Scientists at OHSU have discovered a mechanism in the brain that controls weight, named the adipostat, which acts as a fat thermostat. The discovery could lead to medications that help regulate patient weight and prevent excessive caloric intake.
Researchers aim to uncover principles of coordinated group motion and apply them to designing autonomous underwater or airborne robots. They will create a database recording fish school movements and test robotic versions of biological models.
Scientists at Millennium and the Whitehead Institute discovered a novel protein FATP4 that plays a role in transporting fatty acid molecules from the intestine into the body. Inhibiting its function may provide new approaches to treating obesity.
Researchers at UCSF have identified a protein enzyme that plays a key role in pain signaling, suggesting a possible target for broad-based pain therapy. The finding applies to inflammatory pain syndromes, such as arthritis and colitis, and has potential implications for post-operative pain relief.
The discovery of a new tomb at Teotihuacan's Pyramid of the Moon has provided critical evidence for reconstructing the city's 2,000-year-old history. The tomb contains human skeletons, animal bones, and offerings that differ from previous discoveries, suggesting a significant cultural shift between two phases of pyramid construction.
Sulindac has been shown to cause the regression of benign colon polyps, helping prevent colon cancer development. The drug inhibits cancer cell growth by promoting programmed cell death and preventing NF-kB activation.
Researchers at Wistar Institute find parallels between PRD1 and human adenovirus coat protein structures, suggesting an evolutionary relationship. The discovery may lead to new research areas and therapies.
Researchers have identified a genetic mutation associated with an increased risk of prostate cancer in African-American and Latino men, with a five times greater risk compared to those without the mutation. The mutation affects the enzyme steroid 5a-reductase, leading to increased production of dihydrotestosterone, a potent form of tes...
Scientists at Oregon Health & Science University have discovered a naturally occurring protein, herstatin, that inhibits the functions of the HER-2 oncogene, a major factor in breast and other cancers. Herstatin blocks the HER-2 signaling activity that causes tumor cells to grow, ultimately killing those cells.
Researchers at the University of Michigan Comprehensive Cancer Center have identified two genes that may control the development of inflammatory breast cancer. The discovery, published in Clinical Cancer Research, could lead to more effective forms of cancer treatment, particularly for newly diagnosed women.
Researchers have discovered a new drug, pifithrin-alpha, that can protect healthy tissues from radiation damage and reduce side effects. The treatment strategy may allow for higher doses of therapy to be administered, improving cure rates.
A recent study by Mayo Clinic researchers suggests that an immune system response to fungus is the cause of most chronic sinus infections, which affects 37 million people in the US. The discovery opens the door to the development of effective treatments for this common chronic disease.
Researchers at Vanderbilt University have developed a groundbreaking treatment for self-injury in people with developmental disabilities. By combining communication training with naltrexone, a medication that blocks the brain's opiate receptors, they were able to significantly reduce or eliminate self-injury in most cases.