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Science News Archive 2004


Page 83 of 135

Aspirin use associated with reduced risk of breast cancer

A study found that frequent users of aspirin and other NSAIDs had a 20-28% lower risk of breast cancer compared to nonusers. The inverse association was most pronounced among frequent users and those with hormone receptor-positive tumors.

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.

Viruses clear bacterial contamination in chickens

Researchers used naturally occurring bacteriophage to treat chickens infected with campylobacter, resulting in a significant reduction of bacteria. The effectiveness of the treatment depended on the specific bacteriophage and dose administered.

Study helps satellites measure Great Lakes' water quality

Engineers at Ohio State University determined which computer models perform well for monitoring Great Lakes water quality, aiding studies of global climate change. The study used satellite images to gauge algae levels in Lake Erie and other lakes, enabling scientists to remove atmospheric interference and compare model performance.

Radio astronomy gets connected

The e-MERLIN network will use optical fibers to increase data capacity and sensitivity, enabling UK astronomers to make important contributions to advancing our understanding of the Universe. The new system will allow for detailed radio images of stars and galaxies with unprecedented resolution.

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.

Why some diabetics are at greater risk for UTIs

Researchers found that insulin and glucose in type-2 diabetics' urine increases E. coli's adherence, leading to a greater risk of UTIs. Insulin also affects the bacteria's surface characteristics, potentially providing some protection against antibiotics.

Can we restore wetlands and leave the mosquitoes out?

Wetland restoration projects must consider the inevitable creation of mosquito habitats, which can increase exposure to diseases like West Nile virus. Elizabeth Willott suggests explicitly addressing mosquito control in proposals to strengthen project outcomes.

Apple iPhone 17 Pro

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

Danger spots identified for threatened grizzly bear

The study identifies areas with high mortality rates among grizzly bears, primarily caused by human activities such as forestry, oil and gas, and mining. The researchers recommend limiting human access to critical habitat sites and increasing education programs to mitigate the impact on the species.

Gene at root of urban air pollution's lung effects

A recent study found that the gene TLR4 plays a crucial role in determining the lung's response to environmental toxins, particularly ozone. Mice with a functional copy of the gene were more susceptible to asthma-like symptoms when exposed to high levels of ozone.

Triple-contrast CT depicts internal injury from gunshot and stab wounds

A study using triple-contrast CT found that it can accurately detect peritoneal damage and injury extent in patients with penetrating torso trauma. The imaging modality achieved an overall accuracy rate of 98 percent, surpassing previous limitations of CT scans for retroperitoneum assessment.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Reducing black-white test score gap

A Penn State researcher suggests that the black-white test score gap can be reduced by increasing verbal interaction between parents and children. Research shows that professional parents who spoke more words to their children had better vocabulary knowledge and higher reading performance. Interventions like Early Head Start have shown...

Web-based guidelines established for top respiratory killer

The new guidelines update the 1995 ATS COPD guidelines and provide the latest information on clinical treatment and diagnosis. The site also features practical patient information, including background on the disease, its symptoms, and medications.

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.

Quasars: Cosmic powerhouses dwelling in humble homes

Researchers used the Gemini telescope to produce sharp infrared images of quasar host galaxies, finding only one convincing detection that was unremarkable in size and brightness. This challenges previous assumptions about the relationship between quasars and their host galaxies.

Computer model shows increased US threat from soybean rust

A new computer model predicts that soybean rust, a highly aggressive form of the disease, has already spread to Brazil and Venezuela, putting the US at high risk. The model suggests that the disease will reach the US within the current growing season or no later than two years.

Friendly bacteria block HIV infection

Researchers identified six Lactobacillus strains capable of binding to the HIV envelope, inhibiting infection and potentially blocking transmission. The bacteria also bound to immune cells, causing them to clump and immobilize any infected cells.

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.

Researchers discover that a protein in grape skins can kill cancer cells

A study published in EMBO Journal found that resveratrol, a compound in grape skins, can starve cancer cells by inhibiting the action of NF-kB. This inhibition leads to apoptosis, or cell death, in cancer cells. Resveratrol's effectiveness against cancer is linked to its ability to block NF-kB's inflammatory response.

Are bacteria turning our own weapons against us?

Researchers discovered that bacteria have acquired a gene from animal immune systems, allowing them to evade host defenses. This finding has significant implications for vaccine development and our understanding of bacterial evolution.

Autistic children show outstanding musical skills

Research reveals that autistic children can access and analyze musical details more readily than typically developing children. A subgroup of participants achieved impressive scores, even without prior musical training.

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.

Mind the gap

A recent study by Rochon and colleagues found that many conditions or diseases common internationally are underrepresented in randomized controlled trials published in leading medical journals. In a related commentary, Jha and Lavery highlight the importance of delivering treatments already available to improve population health in dev...

Moving targets: when it comes to patterns, motion gets factored in

The study, led by Shin'ya Nishida, utilized the multi-slit viewing illusion and found that pattern perception is more impaired by a mask or adaptation stimulus moving in the same direction as the pattern. Observers can see fine spatial components that are theoretically impossible to recover without motion information.

Scaling friction down to the nano/micro realm

Researchers at NIST created a new technique to measure friction accurately in the nano- and micro-scale. The method helps designers produce more durable devices with moving parts by accounting for unintended scratching of surfaces.

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.

Vest and harness may protect fragile adults in car crashes

A team of Johns Hopkins seniors designed a vest filled with foam padding to absorb energy from car crashes, reducing chest compression by up to 17%. Their four-point harness system also minimized sternum deflection and dropped crash impact forces by 33%.

Early behavior problems linked with wheezing later in childhood

Researchers found children who developed wheezing symptoms after age 3 had significant behavior problems before, compared to those who never wheezed. The study suggests a possible common factor, such as genetics or parental smoking, that accounts for both wheezing and behavior problems in children.

51 globally threatened species get new lease on life in the Caucasus

The Caucasus region, home to 51 globally threatened species, will receive a significant boost for conservation efforts thanks to $8.5 million in grants from the Critical Ecosystem Partnership Fund (CEPF). The funding will support conservation efforts across six countries, including Georgia, Armenia, Azerbaijan, Russia, Turkey, and Iran.

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.

Doctor's neckties: a reservoir for bacteria?

Nearly half of clinicians' neckties contained disease-causing bacteria, posing a significant risk to patient health. The study raises questions about the benefits of wearing neckties in healthcare settings.

Health care treatment differs by race

Researchers found that African-American and Hispanic outpatients with back pain were less likely to receive painkillers than white patients. The study attributes this disparity to racial stereotypes among physicians, suggesting a potential issue with racism in the US healthcare system.

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.

Largest study of its kind finds male breast cancer on the rise

Researchers have found that male breast cancer incidence has increased by 26% over the past 25 years, with men being diagnosed at a later stage than women. The study also revealed differences in tumor biology, including higher rates of estrogen receptor-positive tumors in men.

U of MN establishes nation's first endowed chair in sexual health

The University of Minnesota has established the nation's first endowed chair in sexual health, aiming to promote science-based research and education. The new chair will provide important contributions to the field of public health, guided by principles of equity and social justice.

Left brain damage may make people more vulnerable to infection

Researchers studying epilepsy patients who underwent brain surgery on either side found that those with left-brain surgery experienced decreased immune function, while right-brain surgery boosted immune response. The findings raise concerns about protecting patients from infection following strokes or left-brain surgery.

Exercising after menopause may help reduce bone loss

Exercise has been shown to improve physical fitness, lower back pain, and cholesterol levels in early postmenopausal women. After 26 months, the exercise group experienced significant increases in physical fitness and reductions in bone loss compared to the control group.

Celestron NexStar 8SE Computerized Telescope

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

Physics tip sheet #42

Researchers have developed a technique to improve electromagnetic signal transmission in complex environments using time reversal, which may enhance cell phone communications. Additionally, studying competition dynamics in noisy systems reveals that flexible competitors can increase their prosperity by adjusting their adaptation rate. ...

New standard to help diagnose heart attacks

The National Institute of Standards and Technology (NIST) has issued a new clinical standard to help manufacturers develop and calibrate assays that measure specific protein concentrations in patient blood samples. This standard, SRM 2921, is expected to reduce variations in clinical test results by as much as 50-fold.

African-Americans more likely to die of colon cancer

A study found that African-Americans are 1.67 times more likely to die within five years and 1.52 times more likely to die within ten years after surgical treatment for CRC compared to Caucasians. Racial differences were most pronounced in patients with stage II disease.

Baby born from sperm frozen for record 21 years

A healthy baby boy was born to a couple after the father's sperm was successfully frozen for 21 years. ICSI technique used for fertilization, resulting in high motile sperm percentage after thawing. Long-term storage preserved fertility quality, offering hope for young cancer patients seeking family planning.

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.

Delay in transfer to the ICU increases risk of death

A study found that delayed transfers to intensive care units (ICUs) increase the risk of death for hospitalized patients. Patients who received timely ICU transfers had better outcomes, with 55% less likelihood of receiving major medical interventions in the first six hours.

Diabetes increases deaths among people 65 and older

A recent study found that diabetes-related mortality may increase in relative importance among the elderly population, with a 10% per year mortality rate among those with diabetes. The study suggests that prevention of diabetes among the elderly should be a priority, as demonstrated by the Diabetes Prevention Program.

Obesity may affect accuracy of mammography

A recent study found that obese postmenopausal women are more likely to be recalled for additional tests after screening mammographies, with women in the obese category II and III groups being 31% more likely to be recalled. Obese women also experience a 20% increased risk of false-positive mammogram results compared to underweight and...

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.

Safety of Canadian hospitals

The study found that 7.5% of hospital patients experienced adverse events, with 37% being preventable. Implementing gains in patient safety can be achieved through encouraging reporting, new technologies, and improved communication among caregivers.