For the first time, researchers have successfully injected cultured red blood cells (cRBCs) created from human hematopoietic stem cells (HSCs) into a human donor. The cRBCs were capable of progressing through the full maturation process and demonstrated survival rates comparable to conventional native red blood cells.
A team of paleontologists has unearthed a 3.6 million-year-old woolly rhino fossil in the Himalayas, revealing key adaptations for surviving in cold environments. The discovery provides crucial insights into the evolution of Ice Age giants and challenges existing theories about their origins.
A study by UC Davis scientists predicts that warming streams will be fatal to spring-run Chinook salmon in California unless water management strategies are implemented. Reducing hydropower diversions during warmest times could preserve salmon populations for a few decades.
Researchers have developed a novel X-ray technique to image atomic displacements in materials, revealing that multiferroics exhibit magnetic and electric polarization due to relative charge displacement. The discovery has significant implications for designing multiferroic materials for practical applications.
A recent study published in The Lancet found that NYC firefighters exposed to the 9/11 World Trade Center disaster site were at least 19% more likely to develop cancer in the seven years following the disaster compared to non-exposed colleagues. The study evaluated the health of over 9,800 WTC-exposed and non-exposed firefighters.
A new study published in Archives of Physical Medicine and Rehabilitation found that higher volume of resistance training combined with aerobic exercise did not yield additional benefits for patients undergoing cardiac rehabilitation. However, the combination of RT and AT resulted in substantial physical fitness benefits and reductions...
Hospital executives should recognize the value added by on-site radiology groups, which include patient safety, image quality, interpretation accuracy, service to patients and physicians, cost containment, and business building. Fragmentation of radiology departments can lead to lost values and chaos.
Astronomers using Hubble Space Telescope images have created time-lapse movies revealing dynamic behavior of stellar jets. The studies show clouds of dust and gas within the jets move at different speeds, challenging existing understanding of star birth processes.
A study published in Nutrition and Cancer found that a diet rich in walnuts can significantly reduce the risk of breast cancer in mice. The researchers discovered that the walnut-containing diet changed the activity of multiple genes relevant to breast cancer, leading to fewer tumors and smaller tumor sizes.
Scientists have identified a unique protein in an insect gut microbe that stores iron, regulating the concentration of molecules important for plant-insect interactions. The discovery sheds light on the survival strategies of the microbe and its relationship with the host insect.
A long-term study of WTC workers found a high incidence of asthma, PTSD, depression, and other conditions. Over one in five responders had multiple health problems, and nearly 10% experienced symptoms of all three.
Digital waste in computers can deplete storage space and slow down systems. Researchers suggest a five-tier pyramid of options to curb the clutter: reduce, reuse, recycle, recover, and dispose. By applying real-world trash management tactics, computers can be cleansed of unnecessary data.
Research led by McMaster University found that exercise triggers mesenchymal stem cells to become bone instead of fat, leading to improved blood production and overall health. This finding suggests a new potential for exercise as a non-medicinal treatment for blood-related disorders.
Researchers report the presence of alternative lengthening of telomeres (ALT) in various cancers, including bladder, cervix, and lung tumors. ALT allows cancer cells to grow indefinitely, making it a potential target for anti-cancer therapies.
Researchers identified 37 previously unknown genetic risk loci associated with complex common diseases and elucidated their effect on human metabolism. The study provides a comprehensive evaluation of genetic variance in human metabolism, combining genome-wide association studies and metabolomics.
Research reveals that four basic tastes are processed by distinct areas of the brain, with unique taste receptors and neurons arranging discretely in a gustotopic map. This discovery sheds light on how our brains represent the last of the classical five senses.
Researchers found that Alzheimer's brains consistently show lower levels of ubiquilin-1, a chaperone protein that helps regulate amyloid precursor protein (APP). Lower ubiquilin-1 levels disrupt APP folding and lead to the formation of toxic aggregates.
A study found that microscopic lesions in 30% of older brains without diagnosed disease could cause common signs of aging, such as slower walking and balance issues. The researchers suggest that undiagnosed small vessel disease needs additional tools for detection.
Experts offer practical strategies for reducing radiation dose in chest CT scans, including stratifying protocols based on clinical indications and limiting scan length. Pediatric CT scans require lower doses compared to adult patients, and using appropriate scan parameters can further reduce radiation exposure.
Researchers at Caltech used powerful imaging technique to study Acetonema longum, a bacterium with two membranes that responds to extreme situations by forming protective spores. The study found that the outer membrane may have originated from an inner membrane during sporulation, providing insights into its evolution and function.
Researchers found that using flat bed systems increased yields by an average of 6 percent and improved water and nitrogen use efficiency. The study supported the USDA's commitment to enhancing sustainable agriculture, helping farmers increase yields, save water resources, and reduce nitrate leaching.
The UT Southwestern program identifies families with a high risk of colorectal cancer through tumor testing. Up to 50 family members can be tested for the Lynch syndrome, which carries an 80% risk of developing colon cancer.
Researchers discovered a specific type of bacteria capturing carbon dioxide in the 'twilight zone' of the ocean, a region thought to be inhospitable for photosynthesis. The study provides new insights into the dark ocean's carbon cycle and challenges previous assumptions about the role of Archaea.
Researchers discovered that defective eye cells in a rare disease lead to photoreceptor cell failure, causing sight loss. The study provides a target for treatment and may help understand broader retinal degenerative diseases.
The remnants of Tropical Depression 8E continue to bring heavy rainfall and strong thunderstorms to Mexico's southwestern coast, with 4-6 inches of rain expected over the states of Guerrero, Michoacan, and Colima. The National Hurricane Center has issued their last warning for the area, indicating a low chance of regeneration.
A McMaster University study found that stomach acid-suppressing drugs used to treat arthritis may cause damage to the small intestine, aggravating ulcers. The researchers suggest using probiotics as a potential cure for this damage.
A model published in the European Physical Journal B reveals that online communities' activity grows faster than user population, driven by individual tagging behaviour and constant heterogeneity across systems. This finding confirms accelerated growth patterns in virtual worlds.
A 14-year study found a significant increase in ischemic stroke hospitalizations among adolescents and young adults, with nearly one-third of patients aged 15-34 years also diagnosed with hypertension. The study highlights the need for public health initiatives to reduce risk factors for stroke among this age group.
The US government will evaluate a petition to list chimpanzees as endangered, which could improve their welfare and conservation. If classified, they would receive protections similar to other endangered species, reducing exploitation by the entertainment industry.
A new study suggests that separating natural habitats from high-yielding farmland could be an effective way to conserve wild species. The researchers found that farmlands with some retained natural vegetation had more bird and tree species than high-yielding monocultures, but produced less food energy.
Feeding cows natural plant extracts can reduce dairy farm odors and feed costs. Adding tannins to cow feed reduces ammonia emissions from barn floors and fertilized fields by 28-49%. This study aims to provide a practical solution for the US dairy industry, which has been petitioned to regulate ammonia under the Clean Air Act.
Children who enter puberty quickly are more likely to experience anxiety, depression, and acting out behaviors. The study found a strong relationship between tempo of puberty and behavior problems, with slower tempo indicating less acting out.
With significant incentives available, radiologists must prepare to comply with meaningful use regulations, which could impact patient care. Radiologists can qualify by adopting new technology and workflows, as recommended by experts.
Researchers at Columbia University Medical Center have discovered that two genes, FUS/TLS and TDP-43, work together to support motor neuron survival in familial ALS. The findings, published in the Journal of Clinical Investigation, suggest that therapies targeting these genes may offer new hope for treating familial ALS.
A study published in The Lancet found that a decrease in smoking rapidly reduces mortality rates in individuals and populations within six months. Dietary improvements also show positive results within one to three years.
Researchers at Ben-Gurion University have identified the LEPREL1 gene as causing myopia by affecting collagen modification in the eyes. This discovery may lead to better understanding and prevention of nearsightedness.
The ASCB's online image library has won The Scientist's 2011 Readers' Choice Award for favorite website, showcasing over 3,250 searchable images. The library, funded by the NIH, has attracted 65,000 visits from 157 countries and welcomes contributions from researchers worldwide.
A national survey of 7,428 employees found that insomnia is prevalent among 23% of US workers, with women and those over 65 experiencing higher rates. Insomnia costs the workforce an estimated $63.2 billion annually in lost productivity.
Researchers from Kansas State University collaborated with international teams to analyze genomic data of Arabidopsis thaliana, a small flowering plant model species. The study aimed to understand the genetic variation and gene expression patterns in different plant tissues.
Researchers used high-speed microscopy to track particle motions in fluids, revealing the direct link between fluid flow and changes in viscosity. They found that particles are swept away by induced flows, causing fluids to become thinner, while rapid collisions form clusters, making the fluid thicker.
Scientists have made significant progress in developing effective delivery systems and efficient biomanufacturing strategies for DNA vaccines. Novel methodologies have emerged, including transdermal patches, electroporation, and plasmid purification techniques.
A study found that a US Army battlefield ethics training program decreased reports of unethical conduct among soldiers and increased their willingness to report misconduct. The program, which included video clips and leader-led discussions, was associated with lower rates of self-reported unethical behavior.
The Seattle Structural Genomics Center for Infectious Disease has solved over 375 protein structures, providing a blueprint for fighting infectious disease. The center's work may lead to new drug therapies urgently needed to prevent outbreaks of multi-drug resistant and XDR strains of TB.
Cystic fibrosis is caused by a mutated gene affecting ion transport across cell membranes. Researchers have discovered an unexpected way to send mutant proteins to the surface to restore ion transport. Higher levels of GRASP65 escort mutant CFTR channels to the cell surface, dramatically extending the lives of mice with cystic fibrosis.
Research suggests that sex hormones play a significant role in shaping women's career interests. Females with congenital adrenal hyperplasia exhibit more interest in STEM careers due to increased androgen exposure, while those without the condition prefer people-oriented jobs.
Gilda's Club South Florida participates in ASTRO's Survivor Circle exhibit to raise awareness about cancer survivorship programs. The organization receives a $10,000 grant to provide support to newly diagnosed patients and their families.
Researchers at the University of Innsbruck have successfully created a digital quantum simulator that can simulate any physical system efficiently. The simulator uses trapped ions to manipulate and encode states, allowing for the study of phenomena such as Zitterbewegung, which had never been observed directly in nature before.
A recent study by Dr. Andrea Ballabio and colleagues discovered a key role for transcription factor EB (TFEB) in regulating lysosomal exocytosis, which can rescue cells from toxic waste buildup. The findings suggest an innovative approach to treating metabolic disorders associated with lysosomal storage diseases.
Yale scientists identify adipose precursor cells as key players in triggering hair growth. These cells produce PDGF molecules necessary for producing hair growth in mice. The study offers a promising avenue for developing new treatments for male pattern baldness by targeting these stem cells and signals.
Katia becomes a Category one hurricane with sustained winds near 75 mph, forecast to strengthen into a major hurricane by Sunday.
Researchers at Yale University have identified a crucial gene, DET1, that regulates the plant circadian clock. This finding could lead to engineering plants that can thrive in different seasons and locations. By understanding the circadian rhythm, farmers may be able to grow crops year-round, reducing seasonal limitations.
A study published in The Lancet found that suicide bombs caused 19% of civilian casualties, with a high injury-to-killed ratio for women and children. Coalition soldiers accounted for fewer casualties than civilians, highlighting the devastating impact on Iraqi civilians.
Researchers found that Vax proteins deploy a weapon to disarm the dorsalizer Wnt, leaving the embryo free to develop a proper brain. The study's findings define how the embryonic nervous system develops and could shed light on mechanisms underlying colon cancer.
Researchers found an inverse relationship between blue light transmission and risk of sleep disturbances in the elderly. The study suggests that natural yellowing of the eye lens, which absorbs blue light, may be responsible for insomnia in older adults.
A study published in Phytopathology identifies California as the source of the devastating tree-killing fungus Seiridium cardinale. The pathogen has infected and killed up to 95% of native trees worldwide, including junipers and cedars.
Researchers have identified a way to reduce beta-amyloid in mouse brains with AD, suggesting that activating ABCC1 transport protein could impede amyloid plaque formation. The approach uses thiethylperazine to activate ABC transporters and has potential for treating Alzheimer's disease.
Researchers found that accomplished developers form an elitist circle in the OSS community, making it difficult for less successful developers to establish collaborative relations. The study demonstrates social network analysis as a useful approach to understanding online social systems and their dynamics.
A recent study reveals that humans are the primary agents of exotic earthworm dispersal in North America's forests. Non-native species can accelerate organic material breakdown, reducing habitat for animals and increasing soil erosion.
A study published in The Lancet found that World Trade Center-exposed New York City male firefighters are 19% more likely to have cancer compared to their non-exposed colleagues, as well as a comparable sample of the general population. The study analyzed data from 9853 male firefighters and found increased cancer incidence rates in WT...
A new study from the University of Missouri found that alcohol impairs a person's ability to monitor their own behavior and make adjustments accordingly. The study showed that while alcohol reduces self-control, it does not necessarily decrease awareness of mistakes.
Researchers identify key protein ABCCC1 in clearing Alzheimer's beta-amyloid from the brain. A mutation in PSMB8 gene causes Japanese autoinflammatory syndrome with lipodystrophy. Signaling via TACI is crucial for long-lived antibody-secreting cells in a mouse model of flu infection.
Researchers discovered that certain BRCA1 mutations causing hyper-recombination contribute to breast and ovarian cancers by disrupting genomic stability. Targeted therapies may be developed by disrupting ubiquitination to prevent hyper-recombination and kill cancer cells.
The study combines genetic data with mathematical modelling to provide insights into cell differentiation. The findings demonstrate the utility of a systems biology approach, which could have implications for understanding and treating diseases such as cancers caused by abnormal cell function.
The Lancet Editorial emphasizes that the 9/11 anniversary should prioritize the victims and their families, beyond the global implications. The Editorial also highlights how poverty, injustice, and terrorist-related incidents have created conditions for instability and insecurity worldwide.
A new sensor technology has been developed to detect specific proteins in human blood, promising faster and more affordable diagnostics for diseases such as cancer and diabetes. The sensor uses aptamers, custom-made molecules that can latch onto target compounds with high specificity and accuracy.
Researchers at VCU are developing a new paradigm for digital computing that could enable the creation of energy-efficient processors running without batteries. The goal is to increase computational power and reduce heat dissipation, making it suitable for medical devices such as brain signal monitors.
A study found that ALK-rearranged non-small cell lung cancer patients responded significantly better to pemetrexed than those without the genetic mutation. Researchers discovered that ALK positivity was an independent predictor for pemetrexed efficacy, with improved tumor response rates and longer time to progression.
Researchers developed a diagnostic biological 'computer' network in human cells that recognizes cancer cells and triggers their destruction. The network uses a combination of five specific miRNAs to identify HeLa cancer cells and destroy them, while leaving healthy cells intact.
Researchers at University of California - San Diego have discovered that inhibiting a single enzyme helps slow disease progression in a mouse model of multiple sclerosis. The study suggests that targeting fatty acid metabolism could lead to new therapies with fewer side effects.
Researchers at Tel Aviv University have developed an integrated method for surveying the earth for signs of valuable resources, including natural gas and oil. The technique combines multiple geophysical tools and plate tectonics reconstructions to identify specific areas with high potential for discovery.
A new CU-Boulder study assesses 69 historical sites in the Southern Rockies and finds that 65 of them are still occupied by pikas, contrasting with a recent Great Basin study showing local extinctions increasing five-fold. The team found that drier conditions at abandoned sites may be driving pika disappearance.
A recent study finds that languages vary in speed but not in efficiency, with some languages packing more information into each syllable than others. The research, published in Language journal, explores linguistic strategies for efficient communication and reveals a strong relationship between syllable complexity and speech rate.
Researchers discovered dendritic cells play a protective role in the liver against acetaminophen-induced acute liver failure. High levels of dendritic cells are associated with protection, while low levels exacerbate liver damage and death.
Researchers have demonstrated a new HIV vaccine approach by designing an altered form of the virus's outer coating protein. This allows for better targeting of immature B cell receptors, leading to enhanced immune responses in animal models.
A clinical trial at the Kimmel Cancer Center found a two-step, half-match bone marrow transplant procedure improves overall survival in blood cancer patients, with 45% and 75% five-year survival rates. The unique approach controls donor T cell dosage and timing to minimize side effects.
Researchers at Harvard School of Engineering and Applied Sciences have induced light rays to behave in a way that defies the centuries-old laws of reflection and refraction. The discovery allows for beams of light that reflect and refract in arbitrary ways, depending on the surface pattern.
Research reveals that specific fibre tracts in the corpus callosum are linked to individual differences in perceived visual motion. The connection affects how people perceive horizontal and vertical motion, with some individuals better at integrating information from both hemispheres.
A new study found that more than 85% of US states have inadequate genetics standards for preparing high school students for personalized medicine. The study, published by the American Society of Human Genetics, rates only seven states as 'adequate' in genetic literacy.
Researchers from Universitat Autonoma de Barcelona and ETH Zürich studied dust and iron fluxes in Antarctic Ocean over 4 million years. Dust was found to increase during glacial periods, stimulating phytoplankton growth and increasing CO2 sink. The study suggests that dust played a crucial role in past climate change and could have imp...
Researchers found that fibrous stroma surrounding squamous cell carcinoma tumors was associated with reduced 5-year recurrence-free survival and overall survival rates. The study suggests that targeting the tumor microenvironment may be a meaningful approach for developing treatment strategies.
A recent study discovered that a PSMB8 gene mutation causes Japanese autoinflammatory syndrome with lipodystrophy. The researchers identified the specific mechanism of the mutation and its impact on human health.
Rescue and recovery workers suffered high rates of asthma, sinusitis, and gastroesophageal reflux disease (GERD) due to inhalation of toxic dust. The study also found a significant burden of depression, post-traumatic stress disorder (PTSD), and panic disorder among these workers.
A recent study from Duke University Medical Center reveals that Cryptococcus gattii is more commonly found in AIDS patients than previously thought. This distinction could lead to differences in treatment and clinical outcomes, as C. gattii may exhibit resistance to commonly used antifungal drugs.
Researchers found that domestic disputes increase when young adults continue to live at home with their parents. This 'full nest syndrome' affects emerging adults (18-25) and leads to conflicts related to personal values and social expectations.
Researchers at Scripps Research Institute discovered that fetal brain damage from oxygen deprivation is linked to the action of a fatty molecule called LPA, which can be targeted with drugs. This finding provides a new strategy to limit or prevent serious developmental brain diseases.
A study found that rescue workers and civilians exposed to World Trade Center dust had lower mortality rates compared to the NYC general population. Higher exposure levels were associated with increased mortality, particularly among those with high levels of WTC-related exposure.
Researchers refute hopping mechanism, showing that porphyrins' conductivity is influenced by temperature and length, potentially suitable for quantum computing applications. The study highlights the potential of porphyrins as electronic components due to their wave nature.
A new article in Diabetes Care highlights the importance of early diagnosis and treatment for Charcot foot, a condition that causes bones to soften and break due to diabetes. The article recommends offloading as the most important initial treatment recommendation, with surgery possible in later stages.
A new study reveals that organic crop rotation can be more profitable and carry less risk than conventional corn and soybean production, even with reduced price premiums. The research, which analyzed 18 years of data from a University of Minnesota trial, found that organic production was consistently more lucrative over the long term.
Researchers trained 11-month-old infants to improve their concentration skills, leading to enhanced cognitive abilities in unrelated tasks. This early training may have significant implications for improving academic success, particularly for children at risk of poor outcomes.
According to University of Alberta researcher Lia Daniels, students can overcome boredom by using internal strategies such as re-appraising, critiquing, or evading their classes. The re-appraisers are the most resourceful group, while criticsizers may bring about effective change with the right communication from teachers. Parents and ...
Researchers found that people who frequently eat popcorn at the movies will consume stale popcorn regardless of its taste. To break this habit, dieters can try disrupting automatic eating habits by using their non-dominant hand.
The American Thoracic Society has issued guidelines on interpreting fractional exhaled nitric oxide (FENO) levels in various clinical settings. FENO can detect eosinophilic airway inflammation, determine corticosteroid responsiveness, and monitor airway inflammation to guide treatment decisions.
Researchers at The Wistar Institute have discovered protein signals responsible for preserving anti-viral antibody memory. The study highlights how BLyS and APRIL sustain cells that produce antibodies against viruses, crucial knowledge for vaccine development.
Researchers discovered microscopic lesions in 30% of brains without diagnosed brain disease or stroke, linking small vessel disease to age-related decline. The study highlights the need for new diagnostic tools to capture these undetected cases and potentially mitigate their impact.