Physicists at NIST demonstrate sustained, reliable information processing operations on ions, overcoming hurdles in scaling up ion-trapping technology. They successfully performed a combined sequence of five quantum logic operations and ten transport operations while maintaining qubit data integrity.
Scientists believe that molecular chaperones, which help make and manage proteins, are crucial in both cancer and Alzheimer's. Disabling these molecules may lead to effective treatments for both diseases. Researchers are also exploring the potential of increasing their activity to halt disease progression.
Scientists identify key molecular players responsible for reversion of adult cells into a primordial, stem cell state. By reducing activity of Jak and STAT proteins, researchers found fewer cells to revert back to stem cells, with only 60% regaining their stem cell population.
Researchers have identified a genomic 'signature' in circulating blood that reveals exposure to common upper respiratory viruses, such as the cold or flu. This signature reflects subtle but robust changes in genes activated by the body's response to infection, allowing for accurate diagnosis and personalized care.
Researchers compare two methods for studying protein folding: atomic force microscopy and chemical denaturant method. Both approaches reveal similarities in protein behavior, offering new insights into the forces that shape proteins.
Researchers at Carnegie Institution's Department of Plant Biology have cloned genes for membrane proteins that regulate nutrient and water fluxes in cells. The donated clones will help unravel the interaction of these proteins across species, with potential applications in understanding kidney diseases and engineering better crops.
Researchers developed a blood mRNA expression signature that accurately identified influenza infection and distinguished between viral and bacterial infections. This breakthrough may lead to the creation of a blood test for diagnosing respiratory infections and predicting treatment outcomes.
Researchers will conduct laboratory experiments and theoretical research to minimize the Casimir force between objects, enabling the design of efficient micro- and nano-machines. The project aims to reduce the Casimir force using different material coatings and specialized coatings to bring about a repulsive Casimir force.
Researchers at University of Illinois create a new cancer drug delivery system using aptamers, achieving high cell killing efficiency while sparing healthy cells. The approach integrates small molecules and antibodies, offering a general toolbox for treating various cancers.
Scientists at TUM and Harvard University have successfully programmed DNA to assemble into complex twisted and curved nanoscale shapes. The researchers report achieving precise control over the shape's curvature and twist, with potential applications in building miniaturized devices for biomedical applications.
New research by MIT cancer biologists shows that tumor mutations can predict chemotherapy success. Genetic profiling of tumors can help doctors tailor treatments to each patient. The study identified specific genes and their interactions to determine how well cancer cells respond to chemotherapy.
A new study published in Journal of Applied Physiology shows that drinking beetroot juice reduces oxygen uptake, allowing individuals to exercise for up to 16% longer. The study also found lower resting blood pressure in those who consumed beetroot juice compared to a placebo.
In a breakthrough study, researchers identified itch-specific neurons in mice that can be targeted to alleviate chronic itching. The discovery suggests that itch and pain signals are transmitted through different pathways in the spinal cord, offering new hope for treatments.
Researchers at The Wistar Institute have identified a protein called Blimp-1 that can help reprogram exhausted immune cells into more effective 'soldiers' against certain viruses and cancers. By understanding how Blimp-1 suppresses normal immune responses, scientists may develop new strategies to prevent and treat chronic infections.
Researchers suggest that OCD should be classified as a separate disorder due to its symptomatically heterogeneous nature and genetic factors contributing 27-47% of variance. Treatment trials indicate promise for medications like D-cycloserine combined with exposure and response prevention therapy.
The Joint Dark Energy Mission aims to determine the nature of dark energy using three techniques: supernovae, weak gravitational lensing, and baryon acoustic oscillation. A new satellite design could revolutionize these methods, enabling precise measurements of expansion history.
Researchers measured the motion of stars in a distant galaxy and found they are moving at incredible speeds, contradicting expectations of small galaxy size.
Researchers at Caltech have identified epoxides as a key player in atmospheric chemistry, finding that these chemicals can form secondary organic aerosol. This process has significant implications for human health and climate change.
Scientists at the University of California, San Diego have identified a large number of genes that can prevent genetic rearrangements that may lead to cancer and other diseases. These genes and pathways are involved in repairing DNA replication mistakes and may help explain how the body maintains its stability.
Scientists discovered that two cancer-promoting genes enable tumor cells to grow and survive under conditions where normal cells die. The KRAS and BRAF mutations allow cancer cells to thrive in environments with limited glucose, which may be used to develop new treatments.
Scientists discover a single transcription factor that can convert alpha cells into functional beta cells, increasing their number eight-fold in mice. The study shows promise for a potential new treatment for type I diabetes, where the body autodestructs beta cells leading to insulin deficiency and complications.
Studies found that botanicals were safe, but did not have a significant effect on reducing hot flashes or improving cognitive function compared to hormone therapy. The studies enrolled over 150 women and followed them for 12 months.
Researchers present results from two Phase 1 clinical trials of TH-302, a hypoxia-activated prodrug, demonstrating partial responses in patients with relapsed/refractory lung cancer. The treatment showed manageable skin and mucosal toxicities, with minimal hematologic side effects.
Researchers at Cornell University have discovered an unusual form of a gene that prompts ewes to breed out of season and conceive at younger ages. The M allele gene, which has been correlated with out-of-season fertility, may be a boon for the sheep industry worldwide when combined with the STAR system.
Comprehensive health reform proposals can help young adults aged 19-29 gain coverage through Medicaid expansion and a health insurance exchange. Young adults face significant risks, including medical debt and limited access to healthcare, when they lose their parental coverage or struggle to find jobs with health benefits.
Yale scientists have discovered a crucial protein that regulates cell size by controlling the exit of potassium and chloride ions. This finding has significant implications for understanding diseases such as sickle cell anemia and neurological disorders, where cell size imbalances can lead to damage.
The NRL's XFC UAS has successfully demonstrated a flight endurance milestone of over six hours, paving the way for long-endurance Intelligence, Surveillance and Reconnaissance (ISR) missions. The fuel cell-powered system greatly extends payload capacity and endurance compared to traditional battery-powered UAS.
Theropod dinosaurs likely targeted young and small dinosaur species as a primary food source, exploiting their softer bones. This hypothesis is supported by fossil finds and stomach contents, suggesting that giant carnivores mainly fed on juvenile animals, not large herbivorous dinosaurs.
A study published in PNAS reveals that a period of global warming from 53-47 million years ago led to a biodiversity boom in western North America, with many new species of mammals appearing. However, as temperatures declined, diversity decreased and many mammalian groups went extinct.
A two-year study found that three treatment combinations for clearing the most common form of hepatitis C virus work equally well, with about 40% clearance rates. Researchers also noted that women achieved higher rates of virus clearance with the standard dose of peginterferon alfa-2b.
A University of Michigan researcher suggests that parents who acquire higher education can significantly boost their children's academic achievement. The study found a strong correlation between parental education and language ability in children, with the impact remaining significant even after controlling for other factors.
New research suggests geoengineering techniques may cause more harm than good due to uncertainties in their effects on Earth's natural cycles. Ecologists debate the viability of geoengineering methods like atmospheric seeding and ocean fertilization, highlighting potential risks such as ozone depletion and dead zones in oceans.
Researchers have developed a process that cleans wastewater and generates electricity, also removing 90% of salt from brackish water or seawater. The system uses microbial desalination cells to convert wastewater into clean water producing electricity.
Researchers have identified fundamental rules that determine food-web stability, with diverse predator-prey links enhancing stability in high and intermediate trophic levels. Small ecosystems follow different rules than large ones, with strong interactions between species stabilizing smaller webs, but destabilizing larger ones.
A new study demonstrates that rooks can solve complex problems using tools, including raising water levels to reach a floating worm. The birds' ability to estimate the number of stones needed and adapt to different stone sizes shows remarkable intelligence.
Scientists discovered that neurons and plant root cells may use a similar mechanism to grow, shedding light on the genetics of hereditary spastic paraplegias. The study proposes that defects in the endoplasmic reticulum shape may cause HSP, with potential applications in Arabidopsis research.
A team of researchers has identified phosphorylated signaling proteins in human embryonic stem cells, shedding light on the mechanisms that determine cell fate. The study's findings may lead to the development of new therapies by controlling stem cell differentiation.
Scientists at Scripps Research Institute have discovered that two separate functions—alanine adding and editing—were joined together in a single enzyme during early evolution. The findings show that the C-Ala domain enhances collaboration between the aminoacylation and editing domains, making them work together synergistically.
A study of 84 students found that those with high working-memory capacity were more resistant to distractions, while those with low capacity struggled to focus. The researchers suggest that improving the brain's ability to filter out irrelevant stimuli could lead to new therapies for easily distracted individuals.
Climbing plants have evolved remarkable adaptations to ascend walls and trellises, with various modes of attachment, including twining, leaf-climbing, tendril-bearers, root-climbers, and hook-climbers. These structures enable flexibility and withstand mechanical stresses, allowing vines to efficiently transport water and nutrients.
High-field post-mortem MRI is a reliable option for examining human fetuses after death, providing good images and better image quality than conventional MRI. Traditional autopsy did not provide superior diagnostic accuracy compared to high-field MRI in some cases.
Researchers identified 66 genes involved in relapse, including those related to neuroplasticity and learning. The study used a heroin behavioral incubation model to mimic real-life situations that trigger relapse.
Carnegie Mellon researchers, led by Jean VanBriesen, will study water quality in the Monongahela River using a $100,000 grant. The team will collect data on bromide and sulfate levels associated with Marcellus Shale gas production and acid mine drainage.
Researchers found that numerous small changes in multiple gene regions impact flowering time, reproductive ability, and other complex traits in corn. The study also identified subtle genetic variations influencing reproductive success, paving the way for more accurate predictions and breeding strategies.
Research finds that debt can increase the risk of being medically obese, as it limits leisure time activities and affects food choices. The study of over 9000 people shows a significant association between debt and obesity, independent of income, education, and occupation.
Researchers at Karolinska Institutet discovered unstable proteins cause premature ageing by impairing cell respiration. Changes in mtDNA introduce errors into mitochondrial proteins, leading to their instability and breakdown.
Scientists have recorded live vesicle fusion on the nano-scale using Fluorescence Resonance Energy Transfer (FRET). This breakthrough allows for real-time measurement of vesicle shape and properties, opening up new avenues for understanding neurological and infectious diseases.
Research reveals that plant crystals play a crucial role in deterring herbivory and protecting against calcium oxalate poisoning. Different types of crystals perform distinct functions, such as creating a sensation of chewing sand or expelling microscopic darts from the plant tissue.
Scientists have discovered a way to regenerate insulin-producing beta cells from non-insulin-producing alpha cells, offering new hope for treating type 1 diabetes. The research found that modifying the expression of a specific gene in alpha cells can drive their conversion into functional beta cells.
A team of researchers has discovered a novel mechanism by which elastin-like polypeptides increase recombinant protein accumulation in tobacco plants. The study found that ELP fusions targeted to the endoplasmic reticulum induce the formation of mobile protein bodies, enhancing protein yield.
Researchers at UCI have identified TOMM40 as a gene that increases the risk of developing Alzheimer's disease by twice its presence in healthy individuals. The study also found that those with ApoE-4 are three to eight times more likely to develop the disease, highlighting new potential therapeutic targets.
A study found that college students who spent more time on Facebook were more likely to feel jealous towards their partners, triggering a vicious cycle of online behavior. This excessive Facebook usage can lead to negative influences on relationships and behavior, with some participants describing their use as addictive.
A new electronic device, developed by Queen's University Belfast's ECIT team, will enable complex imaging of clouds at short wavelengths, providing unprecedented data on atmospheric conditions. This breakthrough is expected to lead to more accurate global weather forecasts and valuable insights into climate change.
Researchers identified a genetic variation associated with an increased susceptibility for inflammatory disease, linked to nonfunctional CARD8 gene. The study suggests that loss of function of this gene may be one way in which populations evolve a more robust host response to deal with infectious diseases.
Researchers found that rooks can learn to use stones to raise the level of water, bringing a floating worm within reach. The birds demonstrated impressive accuracy and problem-solving skills.
Category 4 hurricane Felicia is currently near 140 mph sustained winds, while Tropical Storm Enrique maintains 50 mph sustained winds despite being close to Felicia.
Researchers found that individual fibers in a fibrin blood clot align with each other when stretched, causing the clot to stretch and decrease in volume. This unusual property is made possible by protein unfolding, which exposes hydrophobic parts of the molecule and expels water.
A new study estimates that sub-Saharan Africa will only have one-third of the needed healthcare workers by 2015, with a shortage of 240,000 doctors and 551,000 nurses and midwives. The cost of scaling up the health system is projected to be $19 billion per year.
Researchers found stem-like cancer cells that share characteristics with healthy stem cells, including unlimited lifespan and migration properties. These cells were localized in the same tissue location as bladder stem cells and showed increased activity in genes related to cell proliferation and metastasis.
The EMBO organization has introduced a new private pension plan for its fellows, providing a benefit package tailored to the needs of highly mobile scientists. The plan allows contributors to continue in the plan as they move from country to country, offering flexibility and portability.
A new study published in The Lancet found that adding a TNF antagonist like infliximab to methotrexate treatment improves symptoms for patients with early rheumatoid arthritis who have not responded well to methotrexate alone. This approach can prevent overtreatment and reduce side effects and costs.
A new study found no daily or weekly pattern to earthquakes in Western U.S. due to human activity. Seismic stations struggle to detect M>1 earthquakes, making it appear like more occur on Sundays and late at night. Researchers explored speleothem records in caves for accurate quake documentation.
Researchers have found that slight shifts in solar radiation caused by Earth's rotation and axis are linked to the demise of ice ages. The study, published in Science, confirms a theory developed over 50 years ago and provides a more precise understanding of how ice sheets melt in response to radiative forcing mechanisms.
NASA satellites observed Typhoon Morakot's rapid expansion from a 528-mile-wide storm to a massive 1,056-mile-diameter system. The typhoon's cold cloud tops indicate powerful thunderstorms and a significant threat to Taiwan and China.
The study found that bilateral liver resection was safe with zero surgical mortality and a postoperative morbidity rate of 28.7%. The short- and long-term outcomes were also satisfactory, with a stone recurrence rate of 7.9% and an acute cholangitis rate of 6.5%.
The US Department of Energy has awarded $377 million to fund 46 new energy frontier research centers, aiming to accelerate scientific breakthroughs in clean and renewable energy. The centers will focus on advancing solar energy, biofuels, transportation, energy efficiency, and nuclear energy.
The project aims to create symbols that can guide users with varying reading levels and languages in hospitals. The student-designed symbols will be tested at four US hospitals and surveyed among Midwestern city populations.
Researchers have found that certain orchids, including the Dendrobium sinense species on the Chinese island of Hainan, produce a chemical mimicry that fools hornet pollinators. This unique deception is achieved through the production of Z-11-eicosen-1-ol, a rare compound that attracts hornets and other wasps.
A new study found that adding psychosocial therapy to medication can improve depression scores short-term and long-term in stroke patients, leading to better perceived recovery, physical condition, and social participation. Depression following stroke is a significant public health problem affecting one-third of patients.
A study of marine clams found that closely related clusters vanish together more often than expected, indicating that vulnerability to extinction is linked to evolutionary family history. Conservation efforts should focus on protecting the most fragile families to preserve evolutionary history.
Researchers at Stanford University School of Medicine have discovered a common molecular pathway used by breast cancer stem cells and normal breast stem cells when reproducing. Increasing the levels of miR-200c suppresses their ability to divide and reproduce.
A team of researchers will survey Kasatochi Island to monitor its recovery from the 2008 volcanic eruption. The interdisciplinary research focuses on the island's ecosystem development, with an emphasis on insect and bird species.