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Science News Archive 2002


Page 4 of 93

Malaria rise in Africa parallels warming trends

A recent study found a mean warming trend of 0.15 degrees Celsius per decade in East Africa from 1970 to 1998, challenging previous research on malaria's relationship with climate change. The analysis highlights the need for better local monitoring and collaboration between researchers from different fields to assess health implication...

Supervised exercise program is an effective remedy for cramping leg pain

Patients with Peripheral Artery Disease (PAD) who undergo supervised exercise programs experience improvements in blood flow, reduced systemic inflammation, and enhanced cardiovascular health. By walking on a treadmill several times a week, PAD patients can eventually reduce their leg pain and increase their walking distance.

Broadway helped Jews gain acceptance, researcher says

Researcher Andrea Most examines the works of influential Jewish American composers, revealing how Broadway musicals addressed complex issues of identity, assimilation, and American culture. Her book will shed new light on the genre's often-overlooked 'Jewish origins' and its impact on the American experience.

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.

UIC scientists provide first images of HIV in living cells

Researchers at UIC provided the first images of HIV in living cells, revealing how the virus enlists host assistance to wreak havoc on the body's defenses. The visualization, which took four years to develop, shows HIV particles hitching a ride aboard dynein, a molecular motor, and crossing the microtubular highway to reach the nucleus.

Pitt, VCU researchers find genetic link to bulimia nervosa

A study led by VCU researchers identified a genetic link to bulimia nervosa on chromosome 10p, building upon prior research that found the disorder's heritability. The findings aim to inform the search for effective treatments and preventative therapies for bulimia.

New technique reveals drug resistance in breast cancer tumors

A new gene profiling technique could help predict which breast cancer patients will respond to hormonal therapies and which will require additional chemotherapy. The study aims to identify the cellular programs that must be engaged or shut off for aromatase inhibitors to be successful.

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.

'Global village' not an internet reality: Sociologist

A sociologist's study of over 20,000 adults from 178 countries reveals that people are maintaining existing social connections while adding internet communication. The findings also show that the internet is a preferred method for communicating with distant friends and relatives, but can be both beneficial and burdensome.

Music selection may depend on several factors, not just pleasure

A recent study suggests that music selection is influenced by multiple factors, including anticipated pleasure, mood, activity, and social context. Participants showed significant changes in their opinions about disliked songs after listening, highlighting the complex nature of music enjoyment.

Reconstructive breast surgery rates low in Canada

Breast reconstruction rates in Canada are low due to a lack of knowledge among physicians, with only 7.9% undergoing the procedure. Plastic surgeons and primary care physicians alike have expressed lower levels of knowledge on the subject.

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.

Circuit points to future of nanoscale electronics

Researchers at the University of Toronto have developed a novel nanoscale electronics circuit that can detect the presence of a single electron. This breakthrough could enable the creation of ultra-sensitive biosensors capable of detecting important biological molecules, including DNA.

Psychiatric disorders common among detained youth

A recent study found that nearly 60% of males and over two-thirds of females met diagnostic criteria for mental or substance use disorders, highlighting a significant concern for the high rates of depression and dysthymia among detained youth.

UF research shows kids need to be where the wild things are

Researchers found that childhood exposure to nature leads to a greater appreciation of the outdoors and interest in environmental careers. This has implications for educators and policymakers, as it can increase support for land preservation and environmental conservation.

Toy choice among boys, girls a matter of monkey business

A study by Gerianne Alexander found that male and female monkeys showed similar preferences for 'boy' and 'girl' toys as human children, suggesting innate preferences. The findings suggest that perceptual cues attract males to active play objects like cars and balls, while females prefer toys with nurturing functions.

New 3-D mammography system may improve breast imaging

The new digital tomosynthesis system provides high-resolution cross-section images with reduced structure overlap, making lesions easier to detect. This technology has the potential to revolutionize breast cancer detection and diagnosis, allowing for earlier interventions.

Apple iPhone 17 Pro

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

USF study: Nicotine antagonist relieves depression in children with Tourette's

A multicenter study published in Depression and Anxiety found that mecamylamine, a nicotine antagonist, significantly improved behavioral and emotional symptoms in children co-diagnosed with Tourette's syndrome and major depression. The study suggested that mecamylamine stabilizes mood by inhibiting nicotinic receptors.

The biology of induced memory

Research shows that memories in the amygdala and hippocampus can be reactivated and require protein synthesis for restoration, contradicting long-held theories of memory storage. Dr. Nader's findings also explain false memory syndrome by revealing the biological basis of reconsolidation.

Increasing biodiversity is not always best

A comparative study of plants and birds on oceanic islands found that invasive species outnumber native species, causing extinctions but increasing overall diversity. The total number of land bird species has remained relatively unchanged despite the loss of native species.

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.

Affordable weapons for the war on terror

The Office of Naval Research has developed a new missile called the Affordable Weapon, designed to carry a significant payload to a target several hundred miles away. Equipped with GPS navigation and line-of-sight data links, the Affordable Weapon can fly directly to its target or loiter until directed by a forward observer.

New evidence linking smoking and lung cancer in women

A Mayo Clinic study found that adenocarcinoma of the lung is more strongly associated with smoking than previously recognized. Women who smoked a pack of cigarettes a day for 20 to 39 years had a higher risk of developing lung cancer, particularly adenocarcinoma.

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.

Identification of genes causing defects in vitamin B12 metabolism

Researchers have identified two genes responsible for defects in vitamin B12 metabolism, which can lead to accumulation of methylmalonic acid. This breakthrough could enable DNA testing for carriers and early prenatal diagnosis, providing hope for families affected by the disease.

Disparity between rich and poor for hip, knee replacement

A study found that individuals with lower incomes and education levels are more likely to have severe arthritis but less likely to be on waiting lists for joint replacement surgery. Women from lower socio-economic backgrounds are also less likely to discuss joint replacement with their doctors.

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.

Internet porn-blocking software needn’t block health information, study finds

A recent study published in the Journal of the American Medical Association found that internet filters can effectively distinguish between health information and pornography when set at moderate levels. However, highly restrictive settings may block a significant portion of essential health sites, while still providing excellent porn ...

Gene signature identifies leukemia patients who should avoid transplants

Researchers at Dana-Farber Cancer Institute identified a gene signature that distinguishes leukemia patients who can be cured with intensive chemotherapy from those who require bone marrow transplantation. Patients with high HOX11 expression survived for three years and were most likely cured, while those without it had poorer outcomes.

Fluke 87V Industrial Digital Multimeter

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

How anti-racism advertising can backfire

Research found that anti-racism messages can increase ambivalence and prejudice in some individuals, especially those with conflicting attitudes towards ethnic minorities. The studies suggest that these messages may not be effective in reducing prejudice and could even worsen it.

Study correlates driving impairment with Parkinson’s disease

A study of Parkinson's patients found that those with advanced disease are at greater risk for motor vehicle collisions due to motor and cognitive dysfunction. The study also revealed no correlation between self-reported moving violations and total collisions on the simulator.

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.

More Sun-like stars may have planetary systems than currently thought

Weintraub and Bary's study of T Tauri stars reveals that many older stars may still possess protoplanetary disks, which are invisible to Earth-based telescopes. This finding contradicts the prevailing assumption that most Sun-like stars lose their disks before planetary systems can form.

San Francisco VA Medical Center researchers find depression can cost jobs

A recent study published in Archives of Internal Medicine found that individuals with depressive symptoms are more likely to experience unemployment or loss of income. The research suggests a significant economic impact of depression on employment and income, highlighting the need for increased awareness and treatment.

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.

Is there a common genetic link for depression and cardiovascular disease?

A study found a common genetic link between depression and cardiovascular disease, with increased frequency of specific gene variants in patients with severe depression. The combined presence of ACE-D and G-ß3-T alleles was associated with an elevated risk of cardiovascular disorders and depression.

North Atlantic Oscillation part of the global picture

Scientists analyzed 40 years of daily weather data to understand the NAO's two-week cycle and its effects on European winters. They found that positive NAO events lead to milder winters, while negative events bring colder temperatures and more precipitation.

DOE grant advances research into new markets for corn

The DOE grant aims to economically derive high-value chemicals and oils from lower value corn fiber, opening new markets for corn growers. The project will develop purification and characterization techniques and design a pilot plant to recover high-value carbohydrates.

Nutrition advice makes heart-healthy diet more satisfying

A new study finds that nutrition counseling for high cholesterol patients significantly improves their ability to manage their condition while maintaining or improving their overall health. Patients who received personalized feedback and educational materials reported increased satisfaction with their care and healthier eating habits.

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.

MIT team works toward energy-efficient Chinese homes

Researchers have found that traditional Chinese approaches combined with modern techniques can provide the same living conditions as high-rise structures while reducing energy consumption. The design incorporates natural ventilation, solar heating, and green spaces to create a comfortable and sustainable living environment.

Global pollution hot spots identified

Researchers pinpoint high concentrations of air pollutants in eastern US, Europe, and China using data from NASA and European Space Agency satellites. The pollutants vary by season, affecting human health and air quality.

Irrigation may produce arsenic-tainted rice in Bangladesh

A recent study by researchers found that rice grown in areas with contaminated fields in Bangladesh has arsenic levels 10-fold higher than uncontaminated areas. The World Health Organization warns that the tubewell crisis in Bangladesh is the largest mass poisoning of a population in history, with potential health risks for millions.

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.

Stung by success: Intensive farming may suppress pollinating bees

A study published in PNAS found that intensive farming practices can reduce bee populations and limit the pollination services provided by native bees. However, careful land use management can support the flourishing of native bee species, which are capable of doing more pollinating than previously thought.

Engineers work on their SUNTANS as they track waves and beaches

A team of Stanford engineers is working on a computer code capable of tracking massive internal waves that can contain enough energy to move pollutants and debris long distances. The SUNTANS project aims to identify vulnerable beaches and coastal habitats, allowing for early prediction and protection.

'Designer' drug shows activity in leukemia

A new 'designer' drug has shown activity in treating acute myeloid leukemia (AML), with 13 of 15 patients experiencing reductions in abnormal white blood cell counts. The experimental compound targets a specific genetic flaw, offering a more targeted approach to conventional chemotherapy drugs.

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.