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Science News Archive April 2011


Page 24 of 26

'Epidemiological' study demonstrates climate change effects on forests

An 18-year study of 27,000 trees found that climate change is more sensitive to tree growth and fecundity than previously thought. Early spring warming and summer drought were identified as key factors affecting tree reproduction and growth. The study provides valuable insights into how climate change impacts specific tree species.

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.

Are ICDs up to par with patients living longer?

A new study found that implantable cardioverter-defibrillators (ICDs) can effectively prevent sudden cardiac death in patients with ischemic cardiomyopathy and dilated cardiomyopathy. The average survival time for ICD patients was seven years, outpacing the typical lifespan of an ICD battery.

Teens who choose music over books are more likely to be depressed

A University of Pittsburgh study found that teenagers who spent more time listening to music were 8.3 times more likely to be depressed, compared to those who read books the most, which had a protective effect against depression. The study used an intensive 'real-life' methodology and involved 106 adolescent participants.

Study finds leptin restores fertility, may improve bone health in lean women

Researchers at Beth Israel Deaconess Medical Center have found that a synthetic form of leptin can restore fertility and reduce the risk of bone fractures in lean women with hypothalamic amenorrhea. The study shows significant improvements in hormone levels, menstrual cycles, and bone density after treatment with metreleptin.

Embargoed news from Annals of Internal Medicine

Researchers found that adults reporting workdays of 11 hours or longer had a 67 percent higher relative risk for CHD than those working 7 or 8 hours a day. Additionally, self-monitoring and self-adjustment of anticoagulant doses resulted in superior patient outcomes without an increase in major bleeding events.

Apple iPhone 17 Pro

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

High dose of oxygen enhances natural cancer treatment

Researchers at University of Washington and Washington State University found that combining high-pressure oxygen with artemisinin increases cancer cell death by 50% compared to using artemisinin alone. Artemisinin, a natural malaria remedy, has been shown to kill cancerous cells in previous studies.

Study offers first look at Asian Americans' glaucoma risk

A National Eye Institute-funded study found Asian Americans' glaucoma risk to be 6.5%, similar to U.S. Latinos. The study identified ethnic groups with higher rates of narrow-angle and normal-tension glaucoma, emphasizing the need for targeted eye care.

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.

Heart surgery wait times down in Alberta and BC

Wait times for percutaneous coronary intervention (PCI) and coronary artery bypass graft (CABG) surgery have dropped significantly in Alberta and British Columbia, with median wait times decreasing by over 50%.

Alternate route to blocked arteries safe and effective for angioplasty

A landmark study has found that radial access for angioplasty is a safe and effective alternative to traditional femoral access, resulting in fewer vascular complications and similar success rates. The RIVAL trial involved over 7,000 patients and compared radial and femoral access for coronary angiography and intervention.

Study provides first link between 2 major Parkinson's genes

A Canadian-led international study has found a link between the most common genetic risk factor for Parkinson's and the hallmark accumulation of alpha-synuclein in the brains of people with Parkinson's. The GBA mutation increases the risk of developing Parkinson's symptoms four to five years earlier than those without it.

Celestron NexStar 8SE Computerized Telescope

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

T cells outpace virus by getting a jump-start on division

Cytotoxic T cells (CTLs) get a head start on viral replication by dividing early during their journey to infected tissue. This allows them to quickly respond to the virus upon arrival, making them more effective in defending against infection.

Nicotine does not promote lung cancer growth in mouse models

A recent study published by the American Association for Cancer Research found that nicotine at doses similar to those found in most nicotine replacement therapies did not increase lung cancer tumor incidence, frequency or size. The researchers concluded that nicotine replacement therapy is probably a safe option.

Lung cancer risk rises in the presence of HPV antibodies

Researchers found significantly higher rates of HPV antibodies in people with lung cancer compared to those without the disease. High-risk types of HPV were particularly prevalent, suggesting a potential link between HPV infection and lung cancer development.

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.

Researchers link herpes to Alzheimer's disease

A new technique allows scientists to observe herpes simplex virus type 1 (HSV1) infections growing inside cells, revealing a mechanism by which HSV1 leads to Alzheimer's disease. Frequent interactions between viral particles and cellular amyloid precursor protein facilitate viral transport while interfering with normal APP distribution.

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.

Facial structure of men and women has become more similar over time

Researchers from North Carolina State University discovered that craniofacial features of men and women have become less pronounced in Spanish skulls spanning four centuries. The study highlights the changes in facial structure among females, which may be attributed to improved nutrition or environmental factors.

System aims to improve teachers and teacher training programs

The UCR-developed TEISS system integrates common record-keeping needs of teacher education programs with data collection mandated by the California Commission on Teacher Credentialing. This platform aims to improve teacher training and program quality, providing a collective story of work to defend teaching excellence.

Fluke 87V Industrial Digital Multimeter

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

Can plant parables promote peace?

Researchers found that reading plant parables enhanced spiritual beliefs in students with horticultural background, but not in those without. Horticultural activities were found to have potential in promoting spiritual health.

Clumsy kids who don't 'grow out of it'

Children with DCD tend to struggle with motor skills, socialization, and emotional regulation, leading to feelings of loneliness and isolation. The study found that voluntary lack of participation in after-school activities can exacerbate the problem, but intervention is possible with proper diagnosis and monitoring.

Oxygen sensor invention could benefit fisheries to breweries

A new oxygen sensor invented by Michigan State University professor Ruby Ghosh can provide real-time data at a relatively low cost. This technology has potential applications in various industries such as aquaculture, beverage manufacturing, biomedical research, and petroleum manufacturing.

Mountain pine beetle marching east from Alberta

The mountain pine beetle has invaded jack pine forests in Alberta, successfully jumping species from its main host to the dominant Canadian boreal forest tree. Researchers tracked the infestation's progress across Alberta, finding the insects as far east as Slave Lake, and plan further research to estimate their potential speed of spread.

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.

Tracking down the origin of leukemia relapse

Cancer cells that reign during leukemia relapses have distinct DNA profiles compared to those at diagnosis. These mutated cells exhibit aggressive behavior in mice, suggesting a possible link between human and mouse models.

BRCA2 mutations associated with improved survival for ovarian cancer

A study published at the AACR Annual Meeting found that women with ovarian cancer and BRCA2 mutations had improved survival rates compared to those with BRCA1 mutations or no mutations. The five-year survival rate for women with BRCA2 mutations was 61%, significantly higher than those without mutations (36%). Further research is needed...

Protocol-driven heart attack care proves effective and contagious

Since 2003, Minnesota hospitals without cardiac catheterization labs have dramatically improved their acute heart attack or STEMI guidelines and protocols. As a result, the state has seen a significant decline in cardiovascular mortality rates, with a 50% decrease from 2002 to 2009.

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.

Weill Cornell physician-scientists present at ACC Meeting

Research studies presented at the ACC Meeting found associations between higher body mass index and increased cardiac risk factors, as well as a 47-percent reduction in radiation dose with lower kVp imaging. Additionally, persistence of left ventricular hypertrophy was linked to worse outcomes in patients with lower achieved systolic p...

New target identified for squamous cell lung cancer

Researchers found a potential target for treating squamous cell lung cancer by identifying a DDR2 gene mutation that responds to dasatinib treatment. Approximately one in two thousand people in the US annually carry this mutation, and tumor cells with it showed significant response to dasatinib, indicating a new targeted therapy option.

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.

Study confirms new zotarolimus-eluting resolute stent works as well as

The RESOLUTE All Comers trial confirms that the new-generation Resolute zotarolimus-eluting stent is clinically equivalent to the Xience V everolimus-eluting stent after 2 years. The study included patients with complex lesions and acute coronary syndromes, demonstrating improved safety and efficacy of the zotarolimus-eluting stent.

Self-cooling observed in graphene electronics

Researchers at the University of Illinois have observed a nanoscale cooling effect in graphene transistors, which could enable devices to cool themselves and operate more efficiently. This self-cooling effect is stronger than resistive heating and has the potential to greatly improve energy efficiency.

Nanoparticles offer hope for common skin allergy

Scientists at Brigham and Women's Hospital have developed nanoparticles containing calcium that can capture nickel efficiently without penetrating the skin. This breakthrough could provide a new strategy for preventing nickel-induced contact dermatitis, affecting millions worldwide.

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.

Cardiovascular patients' perspectives on guilt as a motivational tool

A study found that guilt motivates cardiovascular patients to make lifestyle changes, particularly those with children. Providers are advised to address guilt in routine care to improve patient outcomes. The study involved 100 adult cardiology outpatients and revealed that nearly two-thirds had experienced a major cardiovascular event.

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.

Scientists identify KRAS rearrangements in metastatic prostate cancer

Researchers have identified an oncogenic gene fusion of KRAS in a metastatic prostate cancer cell line, shedding light on the genetic characteristics of this disease. This finding may enable better prognostic information to separate slow-growing tumors from aggressive ones, ultimately improving treatment strategies.

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.