A UCI study found that circadian rhythm-altering sleep disruptions similar to jet lag can promote memory problems and chemical alterations in the brain. The researchers suggest that good sleep habits may be crucial for maximizing good memory.
A study published in Scientific Reports found that surface solar radiation in China has decreased due to higher air pollution and lower wind speeds. The research reveals that the solar dimming increased significantly during the day in polluted areas, with 20% of reduced solar radiation attributed to aerosols.
Voyager 1's journey into interstellar space has been clarified by a UNH-led study, revealing that the spacecraft crossed the heliopause but is now navigating a 'muddied' magnetic field region. This discovery confirms two key findings: the center of the IBEX ribbon is the direction of the interstellar magnetic field and Voyager 1 is bey...
Ahnna Parkhurst, a 15-year-old racing prodigy, is raising awareness and research dollars for the Translational Genomics Research Institute (TGen) through Laurie's Fund. Her efforts have raised over $111,000 to support cancer research and treatments.
A new consensus guideline recommends that researchers share genomic findings with family members when necessary to avert imminent harm. The guidelines also emphasize the importance of protecting participant privacy and involving relatives in decision-making.
A new study from the University of Pennsylvania found that married patients had a significantly lower risk of dying or developing a new functional disability after cardiac surgery. The study analyzed data from over 29,000 adults and found that unmarried patients were 40% more likely to experience poor outcomes.
Researchers at Queen's University found a link between declining calcium levels and the near-extinction of native crayfish species in four Algonquin Park lakes. The study suggests that acid rain has contributed to this decline, with calcium levels having fallen below the threshold required for some aquatic organisms.
A new study analyzes 464 Twitter tweets related to MRI and finds that patients express anxiety about various aspects of the procedure, including diagnosis and treatment. The study highlights the potential use of social media platforms like Twitter to gather insights into patient experiences and improve medical care.
Dolly Varden trout retire permanently from ocean migration at around 12 inches in length, relying on expanded digestive organs and unique relationship with sockeye salmon. Climate change could impact their life history patterns, potentially forcing them to seek new feeding patterns.
A new study from the University of Manchester found that children treated with growth hormone for deficiency show varying rates of growth depending on their latitude and summer daylight exposure. The study of 118 children aged 5-11 from 14 countries suggests a complex relationship between sunlight, genetics, and bone growth.
Autophagy has been shown to work in the cell nucleus, playing a role in guarding against the start of cancer. By degrading unwanted cellular bits and pieces, autophagy helps prevent cancerous growth, but its improper activation during normal aging leads to premature aging and age-related diseases.
Research found that southwest Greenland Ice Sheet movement decreased by 12% between 2007 and 2014, despite increasing surface melt. The study suggests that further increases in melting may not speed up the ice sheet's flow due to drainage channels established at its base.
Researchers found that rockweed substrate drenches significantly improved postharvest shelf life of petunia and tomato transplants. In contrast, foliar sprays showed no effect on drought tolerance. The study recommends using seaweed extracts as a substrate drench to enhance plant growth.
Researchers have developed a new way to enhance the effectiveness of antigen-based vaccines by mimicking the natural arrangement of multiple TLR agonists. This triply-linked activator more effectively triggers an immune response than mixing individual components, paving the way for improved vaccine design.
Research suggests that retroviral long-terminal-repeat promoters may contribute to the emergence of hepatocellular carcinoma. The study found that these elements are highly activated in liver cancer tumors and non-tumor tissue from patients with different etiologies, including viral hepatitis or alcohol use.
UC Davis researchers develop ultra-low-power sensors with near-zero power consumption, targeting continuous and passive monitoring of environments. The goal is to extend sensor lifetime from months to years, enabling always-on sensing without significant power drain.
Researchers found that living environments contribute to health disparities among US men, with integrated communities showing less difference in behaviors compared to national data. Socio-economic factors and environmental conditions play a significant role in explaining racial disparities.
The James Webb Space Telescope's Integrated Science Instrument Module has begun its final cryogenic test at NASA's Goddard Space Flight Center. The test, which will last several months, aims to ensure the instruments are ready for flight and can withstand the extreme temperatures they will encounter in space.
New data suggests that ancient humans played a role in the extinction of large mammals, birds and lizards in Australia. The study's findings place human predation as the most likely cause, with a 10,000-year lag between human arrival and impact on megafauna.
The electric eel has been found to possess intricate maneuvering techniques, allowing it to double its electrical shock on larger prey. Its electrical system also enables remote control over prey muscles, producing strong muscle contractions. The eel uses high-voltage pulses to track fast-moving prey and detect hidden meals.
Researchers have identified specific combinations of integrins associated with metastasis to certain organs, including lungs and liver. These 'zip code' proteins guide tumour cells to specific locations, supporting Paget's 'seed and soil' theory.
A new study reveals that 38% of state public health workers plan to leave the workforce by 2020, with those aged 25-40, racial and ethnic minorities, and those with fewer than 10 years of experience being most likely to exit. The study also highlights pay disparities between different groups in the public health sector.
Researchers have identified a new way to trigger the instructions given by the muscle protein dystrophin, which is found in muscles used for movement and in cardiac muscle cells. The study suggests using drugs that activate AMPK signaling to bypass defective steps in the protein complex pathway.
A UMass Amherst biologist is developing a new liver model using extra-embryonic tissue to study liver function and mechanisms. The model, which uses tissues from the yolk sac, offers a simpler alternative to traditional liver models, allowing for more efficient analysis of gene expression and protein production.
Researchers at the University of Rochester developed a method to analyze Instagram data to expose underage drinking patterns and demographic trends. The study found that teenagers consume alcohol more on weekends and holidays, and that different brands are followed by varying demographics.
A new study suggests that variations in complex carbohydrates found in breast milk, called human milk oligosaccharides (HMOs), are associated with variations in infant growth and obesity. Higher levels of certain HMOs at 6 months of age were linked to greater fat mass, while others were protective against obesity.
A new study found that older adults were better than young adults at correcting their factual errors, with improved performance on low-confidence errors. This challenges the notion that older adults are less accurate and suggests a focus of attention driven by a desire to prioritize truth over confidence.
Climate shifts may drive up temperatures in Hawaii, allowing mosquitos into high elevation habitats where native vegetation persists. 20 Hawaiian forest bird species risk losing more than 50% of their range under climate change scenarios.
A new study finds that polygynous households in northern Tanzania have better access to food and healthier children, as well as more cattle and farmed land. However, the practice is associated with low food security and poor child health in marginalized ethnic groups.
A new study from the University of Michigan Institute for Healthcare Policy and Innovation found that nearly all nonprofit hospitals have written charity care policies, but many fail to notify patients about their potential eligibility or charge them fairly. Hospitals in states without expanded Medicaid reported having less generous ch...
Premature birth can be lifesaving with TPN, but it also causes liver damage. Dr. Ajay Jain is studying ways to prevent TPN-related complications in newborns.
A group of 17 US scientists has formed the Unified Microbiome Initiative to coordinate microbial research and inform funding recommendations. The initiative aims to integrate research objectives across disciplines to better understand the role of microbes in human health and ecological systems.
Researchers successfully mimic quantum entanglement using a laser pointer, doubling data speed in laser communication. The team demonstrated nonseparability of the laser beam's shape and polarization, enabling encoding of two bits of information.
Frequently monitoring goal progress boosts likelihood of achievement, as does publicly reporting or physically recording it. Researchers found prompting participants to monitor their progress improves behavioral performance and attaining goals.
Computer scientists at Columbia Engineering and Harvard have developed an algorithm to 3D print vibrational sounds by optimizing the shape of objects. The 'zoolophone' is a metallophone with keys in the shape of zoo animals that produces professional-sounding notes.
Researchers developed an approach to predict human genome variation by compiling data from 46 vertebrate species and applying evolutionary probability analysis. The method predicts probable mutations and identifies evolutionarily improbable variations, which may be strong candidates for adaptive evolution.
A study published in JAMA Psychiatry found that adults with schizophrenia are more than 3.5 times as likely to die as the general population, particularly due to cardiovascular and respiratory diseases. The research also highlights tobacco use as a key modifiable risk factor for premature death among individuals with schizophrenia.
A NASA team analyzed seven Apollo samples and found amino acids at low concentrations, likely from terrestrial sources. Isotopic analysis and molecular orientation revealed a stronger connection to Earth than previously thought, ruling out the solar wind and lunar module exhaust as sources.
Economically disadvantaged, non-English speaking Latino immigrant neighborhoods are disproportionately exposed to toxic air pollution in the US. Liévanos' study reveals a one-in-three chance of high-level air pollution in these areas.
A new study found that using e-cigarettes is related to problematic drinking, with women more likely to use them socially. The researchers suggest that e-cigarette use could make it harder for people with alcohol addiction to quit drinking.
A new study published in Social Science & Medicine suggests that having skills and freedom at work is linked to lower BMI and smaller waist size, while needing to make many decisions is linked to bigger waist size. The findings highlight the importance of considering job control components separately when assessing their impact on health.
Researchers at Cincinnati Children's Hospital Medical Center have identified a way to test RNA and specific genetic signatures in amniotic fluid to determine fetal lung maturity. This test could help doctors decide when it is safe to deliver premature babies, allowing for better preparation and care for neonatal morbidities.
Researchers found that intestinal worm infections can increase short-chain fatty acid production, activating receptors that influence the immune system. This discovery highlights the microbiome as a new pathway for helminths to modulate host immune function.
A pharmacy-led glycemic control program is linked to improved outcomes for surgical patients with diabetes, including fewer complications and readmissions. Patients in the program had better blood sugar control, reduced hospital readmissions, and lower medical costs.
A study found that patients with glaucoma can adapt their visual scanning behavior to compensate for impaired vision and pass a standard driving test. By making more frequent head and eye movements, they can improve traffic safety and potentially be granted a driver's license in some countries.
Carnegie Mellon researchers find that practicing route-learning leads to structural brain changes in the hippocampus and improves functional connectivity between brain areas. This study establishes a critical link between spatial learning and brain alterations, providing new insights into the neural mechanisms underlying cognitive maps.
Australian researchers have found a way to boost influenza A vaccine effectiveness by adding an adjuvant, which stimulates both innate and adaptive immunity. The additive provides cross-protective capabilities, reducing the ability of the virus to infect cells and spread.
A new study suggests that lower doses of parabens, commonly found in personal care products, may stimulate breast cancer cell growth at concentrations 100 times lower than previously thought. The researchers also found that parabens can interact with other agents to increase breast cancer risk.
Researchers found that female mongooses with high stress hormone levels have fewer pups survive their first month. The study provides insight into the effects of maternal stress on offspring survival in cooperative animal societies.
Researchers found that children with mild to severe hearing loss have poorer language development than their peers, but provide well-fit hearing aids can help. Optimal early services enable hard of hearing children to catch up or close gaps with hearing peers.
Researchers have finally tracked adult American eels in the Sargasso Sea, solving a 100-year-old mystery. The study reveals that eels use magnetic field detection to navigate their 2,400km journey from Nova Scotia to the reproduction site.
Every year, thousands of people in impoverished communities die from snakebites due to the unavailability and high cost of anti-venom treatment. Despite efforts to address this issue, many countries remain unable to provide affordable solutions.
Recent policy changes in Europe's agricultural sector could lead to higher sugar prices, increased production of high-fructose corn syrup, and more affordable sugary foods. This may disproportionately affect lower socioeconomic groups and widen health inequalities.
Researchers created a compact photonic switch on silicon nanostructures, enabling ultrafast optical pulse switching at femtosecond rates. This device could revolutionize computing by transferring data at tens and hundreds terabits per second, outperforming traditional electronic devices.
A University of Sussex study reveals that rehearsing information immediately after being given it strengthens memory, as the posterior cingulate region of the brain activates when laying down and rehearsing a memory. This area integrates episodic details into knowledge and understanding, making memories resistant to forgetting.
Researchers at NASA's Goddard Space Flight Center are studying cooling techniques for 3-D integrated circuits, which will be stacked on top of each other like skyscrapers. The team aims to develop methods that can efficiently remove heat from these tightly packed chips, which is essential for space-based applications.
Researchers at Oregon State University have developed a 'spring-mass' walking system that combines passive dynamics with computer control, allowing robots to blindly react to rough terrain and maintain balance. The technology has the potential to enhance legged robots and enable new roles in industries such as manufacturing and firefig...
Researchers studied a 320-million-year-old fossil using X-ray microscopy, revealing evidence of its digestive system for the first time. The discovery sheds light on the early evolutionary history of echinoderms and highlights previously unknown differences between ancient and modern species.
Research in India and Democratic Republic of the Congo found that households with continuous piped water supplies had lower rates of dysentery and typhoid fever, but no association with overall diarrheal illness or child growth. Interrupting water supply can negate health benefits.
A Dartmouth-led study investigates the resonance of relativistic electrons with electromagnetic ion cyclotron waves in the Van Allen radiation belts. The findings reveal that low proton temperature is the primary factor influencing the lower minimum resonant energy, contrary to previous assumptions about high density.