Researchers used disabled retroviruses to discover genes that increase the multiplication rate of stem cells, which could improve regenerative medicine. The study found that these genes can be used to enhance the fitness of stem cells, potentially leading to new treatments for inherited blood disorders.
The National Institute of Standards and Technology (NIST) has released Standard Reference Material (SRM) 1d for Indiana limestone, which is a critical component in various industries. The SRM will support the production of cement, concrete, and iron steel.
Researchers at University of Minnesota have made a groundbreaking discovery on how estrogen affects the brain, revealing distinct differences between females and males. The study suggests that estrogen activation of glutamate receptors could explain various non-reproductive behaviors, such as female motor control and pain sensation.
This article discusses various low back pain relief strategies, including prosthetic fit and production, for individuals with amputations. It also explores the impact of head and body movement on gait in patients with inner ear balance organ abnormalities.
Researchers at Cornell University have created fluorescent nanoparticles called 'Cornell dots' that can be used for biological imaging, optical computing, and other applications. These particles offer an alternative to quantum dots due to their greater chemical inertness and reduced cost.
Researchers found that dutasteride suppresses blood flow in benign prostate tissue, enabling targeted biopsies to detect cancer more effectively. This reduction in benign blood flow improved cancer detection rates and may reduce the need for repeat biopsies.
A new CAD system has improved the accuracy of breast MRI analysis, allowing radiologists to better determine cancer lesion sizes. The system reduced analysis time by an average of 7 minutes compared to standard software.
Artificial tactile sensors are being developed to mimic human fingers, providing detailed information on object shape and texture. The new technology could enable robots to handle delicate objects with increased precision and force control.
Researchers at Cornell University developed a nanoscale detection device that can identify even the smallest organic molecules, including proteins. The device uses microfluidics to detect genetic markers for cancer susceptibility and has potential applications in medical and forensic diagnosis.
Researchers at the Salk Institute discovered a mechanism controlling left-right body plan development in embryos of mice, rabbits and fish. The cilia's clockwise rotation generates a right-to-left current that acts as an amplifier to set up a chemical gradient.
Stem cells can be made specific to patients regardless of age or sex, showing promise for treating devastating diseases and injuries. The research yields patient-specific cellular models of human disease, paving the way for more precise study and potential cure.
Scientists led by Professor Jeffrey J. Park have detected the natural tones from seismograms after the Sumatra-Andaman earthquake, providing information on Earth's deep mantle and core. The data supports a model of the earthquake that lasted about 10 minutes, with massive slabs of rock moving over 800 miles.
A study of 23 pancreatic biopsies found ultrasound-guided biopsies to be effective in obtaining adequate samples, with a diagnosis possible in 61% of cases. The procedure is easier on patients than traditional endoscopic biopsies, which require sedation and are less efficient.
A recent study using fMRI found limited reorganization in the primary visual cortex of adult monkeys after retina injury, contradicting previous thinking on brain plasticity. The results suggest that adult brains may not be as capable of compensating for injuries as previously believed.
A study by Dr. Linda Tang found that radiology residents can reliably interpret head CT scans for initial triaging of acute stroke patients, achieving a 97% agreement rate with attending physicians. The results have affected hospital protocol and require certification prior to taking call.
A research team has identified a genetic defect that weakens blood vessels in the brain, making infants vulnerable to cerebral hemorrhage. The discovery may lead to new strategies for disease prevention, such as reducing stress during birth.
Researchers at Penn State are developing new approaches to integrating control and condition monitoring systems for Intelligent Vehicle Health Management. This will enable equipment to continue operating when something breaks or is about to fail, reducing the need for human intervention on long, unmanned deep space missions.
A new report by the Genetics & Public Policy Center reveals a polarized debate over cloning policies, with high awareness but limited understanding of its scientific feasibility. The report highlights the need for sound science policy and contributes to public understanding of the complex ethical and policy issues surrounding cloning.
The Lancet urges Martin Rees, the new President of the Royal Society, to conduct a wide-ranging review of the organization's purpose, programs, and aspirations. The society is criticized for being self-serving and superficial, lacking intellectual substance and international scope.
Women donating eggs for stem cell research face unique risks and lack adequate protections. Stanford bioethicists advocate for a new category of research subjects and set of guidelines to ensure informed consent. The proposed changes aim to promote ethical egg donation practices.
The Intelligent Information Systems Institute aims to explore AI's applications in data management, game theory, and more. Cornell faculty members are collaborating with visiting scientists to inspire innovation.
The NSB presents the Vannevar Bush Award to Robert Galvin, a visionary leader who enhanced US innovation and competitiveness in research and education. The award recognizes his commitment to human capital development and public service.
Researchers found that individuals over 80 with active root caries had twice the odds of cardiac arrhythmias. The study suggests that oral health issues in older adults can be a marker of general physical decline and may require serious attention.
The ESC has released new chronic heart failure guidelines featuring practical recommendations for diagnosis, assessment, and treatment of CHF. The guidelines highlight significant developments in CCF management, including the use of natriuretic peptides and device-based therapies.
Researchers developed a mouse model that closely mimics human pancreatic cancer at multiple levels, including clinical presentation and histological changes. The model demonstrates distinct similarities to human pancreatic cancer, including metastasis to the liver and lungs.
Researchers at UF found dextromethorphan, commonly used in cough remedies, reduces fibromyalgia 'wind-up' pain. The study suggests the drug may eventually be an option for treating fibromyalgia and other conditions involving heightened pain sensitivity.
Scientists have discovered that human cells use RNA silencing to defend against HIV, a phenomenon previously unknown in mammals. The discovery of a novel siRNA sequence that targets the HIV protein Tat may lead to the development of new RNAi-based drugs to combat the virus.
A new study finds that childhood sexual abuse significantly increases the risk of developing health and social problems in both males and females. The study of over 17,000 California adults reveals a 25% rate of female victims and a 16% rate of male victims, with similar negative health outcomes for both genders.
Patients who survived at least two years post-transplant showed reduced risk of death each year after the fifth anniversary. Mortality not related to relapse was increased in patients with specific chemotherapy regimens and stem cell sources.
Scientists analyzed data from the 2004 Indian Ocean earthquake, revealing a catastrophic event that highlights the need for more extreme worst-case seismic forecasts. The earthquake's impact was exacerbated by its location, which coincided with a popular holiday and high tide, resulting in widespread damage and loss of life.
The study provides a comprehensive analysis of the earthquakes, including the longest fault rupture and duration of faulting, as well as the seismic waves that traveled around the globe. The researchers also found that the earthquake caused the planet to vibrate with 'free oscillations,' like the ringing of a bell.
The World Bank and IMF's public health expenditure ceilings limit external financing for HIV/AIDS projects, forcing countries to allocate funds from existing budgets. This restricts the flow of desperately needed funds to combat the epidemic in developing nations.
Researchers estimated that the quake caused a massive 5-20 meter displacement along the 1,300-kilometer fault, leading to significant rearrangement of the Earth's surface. The tremors triggered devastating tsunamis killing over 300,000 people across Southeast Asia.
Nine individuals and five organizations have received the PAESMEM award for broadening opportunities in STEM education for underrepresented groups. The awardees include mentors who have pioneered innovative programs to improve retention rates and graduate success among underrepresented students.
The National Children's Study aims to track 100,000 children's health from birth to 21, but faces $2.7 billion funding gap over 25 years. The study will examine environmental factors contributing to childhood chronic disease, with potential economic benefits of reducing disease burden by 1% annually.
Researchers found nonlinear mechanisms that could lead to dramatic and swift changes in the North Pacific Ocean's biological systems. In contrast, physical characteristics such as sea surface temperature evolve in a linear manner, making regime-like fluctuations unreliable.
A single protein, REST, directs the transformation of embryonic stem cells into mature nerve cells by keeping genes off in non-neuronal tissues. The study reveals fundamental details of how stem cells retain developmental plasticity.
Scientists have found that strain is rapidly accumulating within a specific area south of the San Gabriel Mountains in Los Angeles, primarily in the San Gabriel and San Fernando Valleys. The study suggests that the Puente Hills Fault and nearby faults may be more likely to break than others, increasing the risk of earthquakes.
A new study published in Child Development found that children placed in a stable home environment fare better than those bounced from one home to another. Children whose emotions were more sad than angry tended to do well, while confusion and intense feelings of sadness prevail among many.
Despite China's genetically modified (GM) rice ambitions, poverty and unequal land distribution will persist, hindering efforts to eliminate hunger. The Lancet notes that GM technology is not a solution to food insecurity, but rather a Band-Aid on the symptoms of deeper issues.
The role of the National Security Council adviser requires balancing brokerage and political advocacy to maintain neutrality. However, in limited forms, advocacy can be beneficial when an underrepresented point-of-view needs to be heard. The adviser's ability to make sound decisions depends on effective processes.
Research finds bacteria in subgingival plaques of periodontally diseased individuals are also present in their heart arteries, potentially causing inflammation and increasing heart attack risk. Maintaining good periodontal health is advised to prevent this potential effect.
A team of researchers discovered a new protein, Vha100-1, necessary for the transmission of nerve signals. They found that this protein works together with SNARE proteins to facilitate the fusion of vesicles containing neurotransmitters and their release from nerve cells.
Research found that premenopausal women with higher birth weights (above 8.5 pounds) and those who were not breastfed as infants have an almost two-fold increased risk of developing breast cancer. Breastfeeding during infancy was found to be protective against breast cancer in these high-risk groups.
A recent study suggests that chest CT scans can be used to identify patients who have had a heart attack. The study found that normal heart muscle enhancement is reduced in patients who have had a recent heart attack, making it possible for radiologists to look for this sign as the first step in identifying a potential heart attack. Fu...
Researchers at Cornell University have developed a silicon device that can modulate light on a micrometer scale, enabling the integration of electronics and photonics. The device uses a ring resonator to filter out specific wavelengths of light, allowing for efficient switching between states.
A new MRI technique called isotropic imaging shows promise in detecting meniscal tears and other knee injuries, potentially avoiding knee surgery altogether. With an accuracy rate of 96%, the technique could be used to determine if patients need immediate surgery or can benefit from rehabilitation first.
A new understanding of morphine's side effects has been gained through the discovery of methylnaltrexone, a peripheral opiate antagonist. This breakthrough allows scientists to distinguish between morphine's central analgesic and peripheral side effects, offering new hope for patients experiencing severe nausea, itching, and constipation.
A new long-haired forest primate, named Highland Mangabey, has been discovered in Tanzania's Southern Highlands. The critically endangered species is characterized by a distinctive call and adaptation to the cold climate, with an estimated population of between 500-1,000 animals.
Researchers have created patient-specific stem cell lines using somatic cell nuclear transfer, enabling the study of human disease in laboratory cells. The new cell lines displayed signs of immunological compatibility with patients' cells.
A new NIST method corrects time distortions in oscilloscopes, improving signal accuracy and reducing noise interference. The free software package can be applied to a wide range of equipment and signals.
Researchers used various models to recreate the rupture history and variation along the fault, revealing the earthquake's length, epicenter, and speed. The study provided valuable insights into one of the largest earthquakes recorded on modern equipment.
A new sonic flashlight device allows physicians to visualize ultrasound images during catheter placement, making the procedure faster and more efficient. This innovation has the potential to increase patient safety, decrease costs, and improve patient comfort, enabling medical personnel to perform procedures with greater ease.