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Science News Archive July 2010


Page 2 of 23

Researchers study benefits of white button mushrooms

Researchers found that white button mushrooms enhance dendritic cell maturity, improving immune response to disease-causing pathogens. The study suggests that consuming adequate nutrients can support immune system health.

Signs of reversal of Arctic cooling in some areas

Researchers reconstructed summer temperatures on the Kola Peninsula and found a rapid temperature rise since 1990, contradicting previous cooling trends. The data suggest that solar activity may have been a significant factor contributing to Arctic temperature fluctuations until 1970.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

What is stopping timely stroke care in the UK?

A recent report from the UK Vascular Society and Royal College of Physicians reveals patients in the UK are waiting too long for vascular surgery after stroke or TIA symptoms. The main causes of delays include delayed referral, scarcity of staff or operating theatres, and patient presentation issues.

New pathway to Parkinson's and Alzheimer's diseases

Researchers found that a gaseous molecule called nitric oxide can trigger brain cell death in neurodegenerative diseases. The study discovered a new molecular pathway that leads to cellular suicide, offering new potential for diagnosis and treatment.

Ear bones reveal spawning secrets of Lake Erie walleye

A statistical analysis of chemicals found in walleye ear bones reveals that almost all Maumee-spawned walleyes were hatched there, but only two-thirds of Sandusky-spawned walleyes originated from the same river. This study helps wildlife officials determine which rivers are at risk of overfishing.

A new ground zero for prostate cancer

Researchers found that prostate basal cells can spawn tumors in the prostate gland, providing a new originator of prostate cancer. The study used human prostate tissue samples to develop new techniques and identified unique cell surface markers to distinguish luminal cells from basal cells.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

TNF blockers may increase the risk of malignancy in children

A study by FDA researchers found a higher incidence of malignancy in children using TNF blockers like infliximab and etanercept. The reporting rate for U.S. cases of malignancy in children was 4-18 times the estimated background rate for the general pediatric population.

Memory's master switch

A study published in Neuron reveals that GABA, a natural molecule in the brain, is responsible for regulating synaptic connections and facilitating the formation of new memories. The research demonstrates that variations in local GABA levels near individual synapses determine synaptic strength and heterogeneity.

Good and bad in the hands of politicians

Researchers found that right-handers favor their dominant hand for positive ideas and non-dominant hand for negative thoughts. Conversely, left-handers use their left hand for positive expressions and right hand for negative ones. These findings suggest people link 'good' with the side of their body they can use most fluently.

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.

Vitamin D deficiency linked to arterial stiffness in black teens

A new study published in The Journal of Clinical Endocrinology & Metabolism found that vitamin D deficiency is associated with increased arterial stiffness in black teens. Researchers discovered that higher doses of vitamin D supplementation (2,000 IU) improved cardiovascular health and reduced central arterial stiffness.

'Linc-ing' a noncoding RNA to a central cellular pathway

Researchers identify a critical lincRNA-p21 that suppresses multiple genes across the genome following p53 activation, playing a key role in mediating cellular response to DNA damage. This discovery opens up new avenues for understanding gene regulation and developing anti-cancer therapies.

Polymer passage takes time

Researchers at Rice University have developed a theoretical method to calculate the time it takes for long-chain polymers to translocate through nanopore geometries, shedding new light on their transport. The study found that polymers pass more quickly when entering a composite pore through its wide end.

Apple iPhone 17 Pro

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

Scientists post lower speed limit for cell-signaling protein assembly

Researchers at Michigan State University found that protein diffusion is slower than previously thought, which could lead to new therapeutic strategies for diseases such as Alzheimer's, ALS, and cystic fibrosis. The discovery provides a fundamental understanding of the pre-folded state of proteins.

Grant to revive pre-contact Chamorro fishing techniques

The University of Guam Sea Grant Extension Program aims to revive traditional Chamorro fishing practices, which were replaced by Western technology. The project will teach the community how to build and repair indigenous canoes and fish using pre-contact equipment, promoting sustainable seafood supply and cultural preservation. Environ...

Most youth hockey injuries caused by accidents, not checking, UB study shows

A new study from the University at Buffalo found that 66% of youth hockey injuries were caused by accidental hits to the boards or goal posts, while only 34% were caused by checking. The study, which analyzed data from over 3,000 players, suggests that coaches should teach players to keep their heads up and avoid looking down at the puck.

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.

Small increases in vaccine cost can cause large gaps in protection

A Harvard University study found that small changes in perceived vaccine costs can lead to significant gaps in herd immunity, with social networks playing a crucial role in the spread of disease. The researchers discovered that increasing vaccination cost prompts more free-riding and leads to larger epidemics.

Kidney injury prevention may be possible: Watch for the warning signs

Researchers discovered that patients with high levels of albuminuria have a significantly increased risk of developing acute kidney injury, highlighting the importance of monitoring kidney function. By recognizing these warning signs, individuals can take proactive steps to prevent preventable forms of acute kidney injury.

New $1.5 million NSF grant to track bee declines and pollination

A $1.5 million NSF grant will consolidate data from 10 natural history bee collections across the US, including Cornell's 250,000-specimen collection. This effort aims to establish conservation status and predict risks to bee pollination services from climate change and habitat loss.

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.

A leap forward in addiction awareness and control

The AACTP and LEAP programmes address challenges faced by excessive drinkers, including preoccupation with drinking and motivation difficulties. The study shows that these programmes significantly decrease weekly alcohol consumption and increase participants' confidence in resisting high-risk situations.

Brown dwarf found orbiting a young sun-like star

Astronomers have discovered a brown dwarf companion to a young sun-like star, PZ Tel A. The discovery reveals the early stages of solar system formation and provides insights into planetary formation.

Behind the secrets of silk lie high-tech opportunities

Researchers at Tufts University have made significant advancements in silk materials, transforming them from commodity textiles to high-tech applications. The development of silk hydrogels, films, fibers, and sponges enables advances in photonics, nanotechnology, electronics, adhesives, and microfluidics.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Graphene under strain creates gigantic pseudo-magnetic fields

Researchers have created giant pseudo-magnetic fields in graphene by applying the right amount of strain, revealing a new window into fundamental scientific discoveries and potential applications. The findings, published in Science journal, exceed the strongest magnetic fields ever sustained in a laboratory setting.

Western diet link to ADHD

A new study from Perth's Telethon Institute for Child Health Research found an association between a 'Western-style' diet and an increased risk of ADHD diagnosis in adolescents. The research examined the dietary patterns of over 1,800 adolescents and classified them into 'Healthy' or 'Western' patterns.

Unexpected viral 'fossils' found in vertebrate genomes

A recent study found that human and other vertebrate genomes contain ancient sequences from deadly virus families, Ebola/Marburgviruses and Bornaviruses. These integrations were likely mediated by movable elements and may provide a selective advantage to the host species, potentially protecting against future infections.

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.

Brain potentials reveal spectator effect

Researchers found differing responses for neutral observers, those who wished the player to fail, and those who wanted to see them succeed. The study used event-related potentials to measure brain activity in response to different game scenarios.

Elsevier Middle East announces the Lancet Middle East website

The Lancet Middle East website offers region-specific content and news for healthcare professionals in the Middle East. The site provides handpicked articles, research, and medical news relevant to the region, enabling users to stay up-to-date with medical research as it unfolds.

Study finds black carbon implicated in global warming

A recent study conducted by a University of Iowa professor and his colleagues found that increasing the ratio of black carbon to sulfate in the atmosphere increases climate warming. Black carbon from diesel engine exhaust and cooking fires was found to be more efficient at warming than biomass burning plumes.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Small materials poised for big impact in construction

Researchers analyzed over 140 studies on nanomaterials in construction and found benefits including increased strength and durability, as well as improved energy efficiency. However, concerns about potential health and environmental effects exist, highlighting the need for guidelines to regulate their use.

Ancient DNA identifies donkey ancestors, people who domesticated them

The study found that the African wild ass is the living ancestor of today's domestic donkeys and that a subspecies called the Nubian wild ass may still exist. Researchers used mitochondrial DNA samples from living animals, skeletons, and archaeological sites to trace the family trees of the domestic donkey.

GM crop produces massive gains for women's employment in India

A GM insect-resistant cotton crop in India significantly increased employment opportunities for female laborers, with average income gains of 40 US dollars per hectare. The research found that the use of Bt cotton reduced manual work and reallocated labor to other household activities, improving women's quality of life.

New transplantation criteria for liver cancer patients

Researchers suggest treatments used on liver cancers beyond Milan criteria be applied to all patients with HCC listed for transplantation. Ablation and waiting can control tumors, allowing time to determine tumor biology and reducing recurrence rates.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

The replacement joint of the future, naturally grown

A pioneering study has shown that joints can be regrown using a host's own stem cells, potentially leading to longer-lasting artificial joint replacements. The work provides a proof-of-concept for naturally grown joints and may lead to clinical applications in the future.

Quality coronary bypass care can improve lives and cut costs

A new analysis reveals that avoiding lowest-volume hospitals and maximizing adherence to quality care processes can significantly reduce costs associated with coronary bypass surgery. Patients receiving all quality of care measures had shorter hospital stays and lower costs.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Aging and longevity tied to specific brain region in mice

Researchers discovered that a specific brain region, the hypothalamus, plays a crucial role in aging and longevity. Mice engineered to produce more SIRT1 protein exhibited increased energy efficiency, delayed aging, and extended lifespan.

Migrating birds can't control themselves

Researchers found that migratory birds become less capable of resisting temptation, pecking at food-giving buttons without learning to stop. The study suggests that temporal fragmentation of sleep may play a role in the loss of behavioral inhibition during migration.

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.

Implanted glucose sensor works for more than 1 year

A bioengineered implantable glucose sensor successfully monitored tissue glucose levels in animals for over a year, demonstrating its potential as an alternative to traditional glucose monitoring methods. The device could help people with diabetes adjust their insulin doses and reduce the risk of hypoglycemia.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.