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Science News Archive 2010


Page 84 of 283

4 possible risk factors for ovarian cancer found

A consortium of cancer researchers has identified four chromosome locations with genetic changes that may alter a woman's risk of developing ovarian cancer. These findings are based on a large genome-wide association study and could lead to individualized risk assessments for ovarian cancer.

Possible alternate therapy for adults with poorly controlled asthma

Researchers at the NHLBI found that adding tiotropium bromide to low-dose inhaled corticosteroids is more effective than doubling corticosteroids alone and as effective as adding a long-acting beta agonist. The treatment showed significant improvements in asthma control, including increased symptom-free days.

Technology in the extreme

Researchers at Newcastle University create a wireless sensor that can withstand extreme temperatures to monitor volcanic activity and collect real-time data. The device uses Silicon Carbide electronics, which also offers radiation tolerance for potential use in the nuclear industry.

SAMSUNG T9 Portable SSD 2TB

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2 studies find new genetic links to ovarian cancer risk

Two studies found new genetic variants linked to ovarian cancer risk in the general population, particularly in women with serous ovarian cancer. The variants were more common in women with aggressive disease and may be used for closer surveillance and preventive approaches.

Mayo-led researchers discover genetic variants modifying breast cancer risk

Researchers identified five genetic variants associated with increased breast cancer risk in BRCA1 carriers, including those related to estrogen-receptor-negative and triple-negative disease. These findings may help identify individuals at lower or higher risk of cancer, enabling tailored cancer prevention strategies.

Rutgers researchers discover how HIV resists AZT

HIV-1 virus uses ATP to remove AZT, a widely used AIDS treatment, allowing it to replicate itself. This discovery helps researchers understand why anti-AIDS treatments can fail, enabling the development of more effective treatments for HIV patients.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Research team assesses environmental impact of organic solar cells

A research team from Rochester Institute of Technology conducted a life-cycle assessment of organic solar cells, revealing lower embodied energy compared to conventional inorganic devices. The study also found potential benefits for manufacturing, including low-cost solution processing.

NASA eyes Typhoon Fanapi approaching Taiwan

Typhoon Fanapi is approaching Taiwan with strong convection and a tight circulation center, reaching speeds of 97 mph. NASA's Aqua satellite data shows the typhoon consolidating, with a 11-mile-wide eye and a small gap in the eyewall.

When the Earth mantle finds its core

Researchers confirm partial melting of mantle at 2900 km depth, revealing a deep magma ocean. The study uses X-ray diffraction to characterize the passage from solid to liquid state, shedding light on the dynamics and composition of the Earth's depths.

Apple iPhone 17 Pro

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SHSU to study ballistics database

Sam Houston State University will study the use and effectiveness of the national Ballistic Information Network (NIBIN) database to connect crimes to a single firearm. The research aims to identify best practices for improving the system's effectiveness and understand why some law enforcement agencies do not use it.

Research could improve detection of liver damage

Research at the University of Liverpool has led to a potential breakthrough in detecting liver damage, using paracetamol as a basis for study. The team discovered specific proteins in the blood indicate early liver cell damage and can assess the extent of damage more accurately.

Pickle spoilage bacteria may help environment

Agricultural Research Service microbiologist Ilenys Pérez-Díaz and her colleagues discovered that certain Lactobacilli species can modify azo dyes into non-mutagenic substances. This finding has potential applications for wastewater treatment, making food-grade bacteria a promising option for cleaning up textile industry dye waste.

Gene limits learning and memory in mice

Researchers at Emory University School of Medicine have found that deleting a certain gene in mice can improve their learning and memory abilities. The RGS14 gene, which is primarily active in one region of the hippocampus, appears to limit some forms of learning and memory when present.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

NASA's CloudSat satellite and GRIP Aircraft profile Hurricane Karl

Hurricane Karl's powerful thunderstorms featured very high icy cloud tops, while moderate to heavy rainfall was observed from the storm. The GRIP mission gathered valuable data on Karl's rapid intensification, which went from a tropical storm to a Category 3 hurricane overnight into Friday.

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.

Channeling efforts to fight cystic fibrosis

Researchers have found a possible new target for fighting cystic fibrosis, exploiting the crosstalk between two chloride ion channels in mucous gland cells. The study suggests that activating one channel could compensate for the lack of CFTR functionality in affected cells.

'Miracle tree' may form basis for low-cost water purification

Researchers aim to create a sustainable water treatment process using moringa seed, which can kill bacteria and remove sediment from water. The system's success depends on optimizing the amount of moringa seed needed to achieve effective water purification without compromising its shelf life.

Light is the friend of lovers

Permanent night lighting affects songbirds' reproductive behavior, with males singing earlier and females laying eggs up to 1.5 days sooner in artificial light environments. This can lead to maladaptive mate-choice decisions, potentially impacting survival and fitness.

Tick tock: Rods help set internal clocks, biologist says

Researchers have found that rod cells in the retina play a crucial role in setting internal biological clocks, even in low light conditions. This discovery has important implications for understanding circadian rhythms and sleep disorders, particularly in older adults who may lose their rod cells to age.

Teenagers are more sedentary on weekends

A study published in Preventive Medicine found that teenagers spend significantly more time watching TV and engaging in sedentary behavior on weekends. The researchers analyzed data from over 3,000 European adolescents and found that having a computer in the bedroom reduces the risk of excessive TV watching.

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.

NASA sees record-breaking Julia being affected by Igor

NASA's Aqua satellite captured visible image of Hurricane Julia, weakened by Hurricane Igor's outflow, breaking a record for the most intense hurricane east of the Azores. The storm is expected to move west-northwest then turn northeast, staying at sea.

Targeted therapy decreases progression rate in thyroid cancer

Researchers at Mayo Clinic found that pazopanib significantly decreased progression rate in patients with metastatic, rapidly progressive differentiated thyroid cancers. The median progression-free survival time was 11.7 months, with an overall survival rate of 81 percent at one year.

Less is more in the fight against terrorism

A mathematical analysis suggests that isolating terrorist network hubs is more effective than targeting the entire network. The study uses complex systems tools to analyze and model terrorist networks, finding that soft targets are not worth pursuing. Instead, focusing on the key hubs can lead to successful defeat.

Meta Quest 3 512GB

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Mechanism behind demethylation pinpointed in APC gene mutants

Scientists at Huntsman Cancer Institute link loss of Apc to DNA demethylase, a system that erases DNA methylation. This system stalls normal intestinal cell development, leading to stem cell-like cells. Inhibition of the demethylase restores normal development and provides new opportunities for colon cancer treatment.

Father absence linked to earlier puberty among certain girls

A new study found that girls without a biological father are more likely to enter puberty at an earlier age, especially in higher-income households. The study suggests that familial and contextual factors play an important role in the onset of puberty.

More effective weight control strategies are urgently needed

The childhood obesity epidemic among children and teenagers in the US is growing at an alarming rate, tripling over the past 30 years. Effective weight management requires a multidisciplinary approach drawing from medical evidence, best practices, and innovative initiatives.

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.

At the crossroads of chromosomes

Researchers reveal the structure of CENP-A, a molecule that plays a central role in DNA duplication and equal distribution into two daughter cells. The study provides insights into how CENP-A marks centromere location on each chromosome.

Great Lakes water quality is focus of new $5 million grant

Researchers will investigate how climate change affects Great Lakes water quality, focusing on extreme weather events and their impact on nutrient, pesticide, and sediment levels. The study aims to develop strategies for watershed councils and government entities to reduce water quality impacts.

Looking for secrets to drug addiction in our blood

The study aims to find a difference in how a susceptible person responds to hydrocodone compared to a nonsusceptible one. The researchers hope to discover an indicator of susceptibility to dependence on painkillers like hydrocodone.

Physicists cross hurdle in quantum manipulation of matter

Researchers developed a special sequence of high-precision electromagnetic pulses to protect the arbitrary quantum state of a single spin. This breakthrough enables the use of nitrogen-vacancy centers in diamond as highly sensitive nanoscale magnetic sensors and potentially, qubits for larger-scale quantum information processing.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Alzheimer's drug boosts perceptual learning in healthy adults

A new study found that the Alzheimer's drug donepezil enhances perceptual learning in healthy adults, particularly in tasks involving motion direction discrimination. The researchers tested 12 healthy adults and showed a significant improvement in performance after training under the influence of donepezil compared to a placebo.

Aerosols control rainfall in the rainforest

Research team isolates aerosol particles in near-pristine pre-industrial conditions, shedding light on cloud formation and precipitation. Organic compounds from plants are found to be a primary source of submicron particles, which can affect climate.

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.

Placebo successful in treating women with sexual dysfunction

A new study found that taking a placebo improved symptoms in about one-third of women with low sexual arousal, with the most improvement occurring during the first four weeks. The key predictor of symptom change was an increase in satisfying sexual encounters, suggesting a need to investigate behavioral factors more closely.

The biggest crash on Earth

Scientists have used a new seismic method to investigate the collision process between India and Tibet, revealing a more pronounced boundary between rigid lithosphere and softer asthenosphere. The study provides insights into the processes involved in the collision and aims to reduce earthquake risk in the region.

Undergraduate research highlighted in DNA and Cell Biology Journal

A special issue of DNA and Cell Biology features undergraduate research projects that demonstrate the valuable contributions of young scientists. The studies showcase innovative approaches to bioluminescence testing, mutant gene mapping, telomerase regulation, and fruit fly metabolism.

Fluke 87V Industrial Digital Multimeter

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

Toward resolving Darwin's 'abominable mystery'

Scientists at the University of Calgary found that available area is the most important factor driving flower diversity, with family traits coming in second. The study suggests that geography and morphology play a significant role in shaping biodiversity patterns.

Night lights affect songbirds' mating life

Research shows that artificial night lighting impacts dawn song in forest-breeding songbirds, causing them to sing earlier and females to lay eggs a day and half earlier. This can lead to lower-quality offspring, as females may mate with lesser males.

The 'ProteOn' XPR36 Giveaway Program' names a winner

Simon Cocklin, Ph.D., wins the ProteOn XPR36 Giveaway Program for his novel research applications for surface plasmon resonance technology. He plans to use the system in his lab and make it available to other researchers at Drexel University.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Technology to screen for synbio abuses lags

A new study argues that synthetic life sciences require a global regulator to detect pathogenic agents and ensure approved purposes for DNA sequences. However, current technology is insufficient to create an effective clearinghouse, highlighting the need for improved screening software and procedures.

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.