Bluesky Facebook Reddit Email

Science News Archive 2007


Page 48 of 203

Drizzly mornings on Xanadu

Astronomers have found persistent morning drizzle of methane over the western foothills of Titan's major continent, Xanadu. The discovery suggests that moisture-laden clouds pushed upslope by winds condense to form a coastal rain, with the drizzle dissipating after local mid-morning.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

RNA-binding protein key to understanding myotonic dystrophy type 1

Researchers at Baylor College of Medicine found that increased levels of CUGBP1 contribute to myotonic dystrophy type 1 by altering splicing patterns in heart and skeletal muscle. The study also reveals the involvement of another RNA-binding protein, MBNL1, in regulating gene expression.

Home sprinklers score 'A' in NIST cost-benefit study

A NIST study found that residential fire sprinklers are a cost-effective solution for new homes, with estimated benefits ranging from $704 to $6,048 over a 30-year period. The analysis also showed significant reductions in civilian fatalities and property damage.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Green alga genome project catalogs carbon capture machinery

A tiny green alga has uncovered hundreds of genes associated with carbon dioxide capture and generation of biomass. The genome also sheds light on the capabilities of related algae that can produce biodiesel and biocrude as alternatives to fossil fuels.

Stem cell nuclei are soft 'hard drives,' Penn study finds

Researchers have discovered that human embryonic stem cell nuclei are the most deformable, followed by hematopoietic stem cells, which generate blood and tissue cells. The study reveals that lamin proteins play a key role in stabilizing the nucleus and controlling gene expression.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Armed with cameras, teens spread health advocacy message in their communities

A Northwestern University researcher developed a health advocacy program that uses digital photography and storytelling to empower minority teens to address health problems in their communities. The program resulted in two main themes: food and stress, which the teens used to create posters promoting healthier behaviors.

MIT links gene to cholesterol

Researchers at MIT discovered a link between gene SIRT1 and cholesterol flushing pathway, which could lead to drugs lowering risk of diseases like atherosclerosis and Alzheimer's. Potential treatments based on polyphenols may be developed to enhance SIRT1 effects.

Story ideas from the Journal of Lipid Research

Researchers have found a link between decreased blood levels of ethanolamine plasmalogen and the severity of Alzheimer's disease, suggesting a potential treatment target. Additionally, apolipoprotein B has been identified as a better predictor of coronary heart disease risk in Chinese populations than traditional markers.

Nanoparticle exposures happen, says expert

Engineered nanomaterials can still penetrate deep inside the body, posing a risk to human health. The science suggests that exposures will occur, and understanding toxicity is crucial for resolving concerns about potential harm.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Millennium development target on maternal mortality unlikely to be met

The Lancet study found that maternal mortality rates in sub-Saharan Africa are not decreasing fast enough to meet the MDG5 target, with a yearly rate of decline required to achieve the target being 5.5%. The authors conclude that a huge emphasis on improved pregnancy and delivery care is needed throughout the developing world.

Genome update defines landscape of breast and colon cancers

Researchers mapped the human genome for breast and colon cancers, finding that most cancer-causing gene mutations are diverse and vary from person to person. The study suggests that personalized medicine may focus on complex pathways linking less-commonly mutated genes.

Penn study suggests professional welders at risk for loss of sense of smell

A University of Pennsylvania School of Medicine study found that professional welders who work in enclosed spaces with poor ventilation may be at risk for losing their sense of smell. The study, which used a standardized test to evaluate olfactory function, found that nearly 90% of welders had impaired smell function.

A gene divided reveals the details of natural selection

A team of researchers has demonstrated how a single gene in yeast divides and adapts to improve its environment, showcasing the driving force of natural selection. This study provides the most basic view of how organisms evolve to better adapt to their environments.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Report highlights inadequate pandemic planning as a threat to EU security

The report warns that inadequate pandemic planning, including poor on-the-ground administration and delivery of antivirals and vaccines, could threaten EU security. The survey found that few countries have defined plans for distribution of antivirals or specific guidance on vaccine storage and administration.

Rapid analysis could cut health risks of volcanic ash

A new, rapid and cheap way of estimating the potential risk posed to human health by volcanic ash has been devised. The technique uses state-of-the-art laser technology to analyze the grain size of samples from around the world, allowing emergency response teams to quickly measure the potential risk without high-tech equipment.

UT researcher earns $1.3M grant to study toxic cleanup at DOD sites

A UT research team aims to develop cost-effective methods for analyzing and cleaning up contaminated sites with dense non-aqueous phase liquids (DNAPLs), which pose a major problem at many DOD facilities. The project could lead to significant cost savings, potentially running into the billions of dollars.

Cancer conflict with chemotherapy treatment

Research suggests that young women with estrogen receptor-positive (ER+) breast cancer who undergo adjuvant chemotherapy do not experience higher survival rates than those with ER-negative tumors. The study, published in Breast Cancer Research, found a 5% difference in survival rates between the two groups.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Severe heart defect likely caused by genetic factors

Researchers at Cincinnati Children's Hospital Medical Center found that Hypoplastic Left Heart Syndrome (HLHS) has high heritability and is likely caused almost entirely by genetic effects. Families with a child with HLHS carry a significant recurrence risk of HLHS or related heart defects.

Folic acid lowers blood arsenic levels in Bangladesh

A new study found that folic acid supplements can dramatically lower blood arsenic levels in individuals chronically exposed to arsenic-contaminated drinking water. The study, funded by the National Institute of Environmental Health Sciences, showed a 14% reduction in total blood arsenic levels in Bangladesh.

Neighborly care keeps stem cells young

The study found that aging stem cells in fruit flies experienced a decline in growth factor unpaired (upd), leading to reduced stem cell numbers. Artificially increasing upd levels delayed the loss of germline stem cells, suggesting that the niche's molecular signals govern stem cell behavior.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Expensive trainers are a waste of money

A recent study found that cheap and moderately priced running shoes provide similar cushioning impact and comfort as expensive trainers. Plantar pressure measurements showed no significant differences among the shoes, regardless of brand or price.

Researchers reveal repressor protein blocks neural stem cell development

A study by UC San Diego and HHMI researchers reveals that SMRT protein prevents premature neural differentiation in embryos, highlighting its role in maintaining neural stem cells. The absence of this protein leads to abnormalities similar to vitamin A exposure, suggesting a link between SMRT and retinoic acid-induced differentiation.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Scientists identify brain circuits used in sensation of touch

Researchers identified key brain regions involved in fine tactile spatial discrimination, including the right posteromedial parietal cortex and right posterior intraparietal sulcus. The study's findings may lead to the development of sensory-substitution devices for visually impaired individuals.

Potent peptides inhibit HIV entry into cells

Researchers at the University of Utah have developed new peptides that inhibit HIV entry into cells, with up to a 40,000-fold improved antiviral potency over previously reported D-peptides. These peptides resist degradation, making them suitable for oral administration and potentially reducing drug resistance.

The 'arms' race: Adult steroid users seek muscles, not medals

The study reveals that adult steroid users are driven and ambitious individuals motivated by physical self-improvement, including muscle gain, strength, and attractiveness. These non-medical AAS users follow a health-centered lifestyle, using directed drug technology as part of their strategy.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Mouse mammary tumor virus can replicate in human cells

Scientists discover that mouse mammary tumor virus (MMTV) can replicate in cultured human breast cells, leading to rapid spread and potential role in human breast cancer. Researchers plan further investigation into the link between MMTV and breast cancer.

Swedish lifestyle stops women working

Research published in BMC Public Health found that traditional family circumstances and workplace inequality contribute to long-term sick leave among Swedish women. Women reported high physical and mental demands at work, lack of flexibility, and bullying as factors affecting their health.

Obesity boosts gullet cancer risk 6-fold

Research found that obese individuals are six times more likely to develop esophageal cancer compared to those of healthy weight. A combination of obesity, acid reflux, and smoking significantly increased the risk of adenocarcinomas of the esophagus.

Adult stem cells lack key pluripotency regulator

Researchers have found that adult stem cells do not rely on the protein Oct4 to remain undifferentiated. Studies using sensitive assays failed to detect Oct4 in these cells, revealing a different regulation of pluripotency in adult versus embryonic stem cells.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Microgrid allows simultaneous study of multiple variables

Scientists at Brookhaven National Laboratory develop a method to correlate microscopic imaging techniques, leading to better understanding and diagnosis of diseases. The technology enables the study of organic and inorganic components simultaneously, improving disease treatment.

Marines land at UO, leave with plans to wear Oregon-made training suits

The US Marine Corps has selected Oregon-made training suits for its runners, with the University of Oregon's environmental chamber playing a crucial role in the testing process. The new suits, developed by InSport Inc., were found to be superior to an alternative design in terms of comfort and moisture management.

Can liver cirrhosis be partially cured?

Researchers found that prolonged antiviral therapy can improve residual liver function and reduce portal hypertension in patients with compensated hepatitis C virus-related cirrhosis. The study, published in the World Journal of Gastroenterology, suggests that this treatment approach may delay complications and prolong survival rates.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Advaxis, Inc. phase I/II results of lovaxin C in cervical cancer study released

The Phase I/II trial tested Lovaxin C in stage IVb cervical cancer patients, with symptoms including flu-like syndrome, fever, chills, nausea, and vomiting. The study found that five patients experienced tumor reductions or complete disappearance of tumors, while seven patients remained stable, and one patient achieved a partial response.

NAS report offers new tools to assess health risks from chemicals

The National Academies of Sciences report introduces new tools to assess health risks from chemicals, enabling better predictive toxicology and risk assessment. These technologies provide critical information on environmental agent interactions with human genes, helping identify individuals at higher disease risk.

Tooth loss, dementia may be linked, JADA study suggests

A study published in JADA found that tooth loss is linked to an increased risk of developing dementia. Researchers proposed several possible reasons for the association, including periodontal disease and early-life nutritional deficiencies.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Harvard scientists predict the future of the past tense

Researchers develop formula to study linguistic evolution, predicting irregular verbs will regularize at a rate inversely proportional to their usage frequency. The most common irregular verbs, such as 'be' and 'think', are expected to remain irregular for thousands of years.

Why it is impossible for some to 'just say no'

A recent study by Michael Inzlicht and Jennifer N. Gutsell found that people who suppress their emotions experience a depletion of resources for self-control, leading to poor performance on tasks requiring self-regulation. This depletion can last even after the initial emotional suppression has ceased.