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Science News Archive April 2003 - Page 3


Page 3 of 9

A room with a view helps rural children deal with stress

A study published in Environment and Behavior found that rural children living in homes with more nature exhibits lower levels of psychological distress. The researchers also discovered that the benefits of exposure to natural environments are not limited, even in rural settings with abundant green landscapes.

SourceCornell University·DateApr 24, 2003

European studies highlight value of screening for breast cancer

Mammography screening has been shown to significantly reduce breast cancer mortality in European countries. Studies found that women aged 40-69 years who received screening had a 44% reduced risk of dying from breast cancer, while those not screened had a 16% reduction.

SourceThe Lancet_DELETED·JournalThe Lancet·DateApr 24, 2003

Hurricane winds carried ocean salt & plankton far inland

A research paper analyzed ice crystals from Hurricane Nora's cirrus clouds, revealing the presence of sea salt and plankton. The study found that hurricane winds transported marine life particles to high altitudes, affecting ice crystal growth and shape.

SourceNASA/Goddard Space Flight Center·JournalJournal of the Atmospheric Sciences·DateApr 24, 2003
Apple iPhone 17 Pro

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

Gene variation raises risk of bipolar disorder and schizophrenia

A study published in the American Journal of Human Genetics has identified two overlapping genes on chromosome 13 as increasing susceptibility to bipolar disorder, affecting 2 million Americans. The same gene complex is also linked to an increased risk for schizophrenia.

SourceUniversity of Chicago Medical Center·JournalAmerican Journal of Human Genetics·DateApr 24, 2003

NASA satellite measures Earth's carbon metabolism

Scientists create composite maps of the world's 'net primary production' every 8 days, revealing how much carbon dioxide is taken in by vegetation during photosynthesis. The new measurement provides a global perspective on the Earth's carbon cycle and has implications for climate change, agriculture, and ocean productivity.

SourceNASA/Goddard Space Flight Center·DateApr 23, 2003

Visiting senior scientist at Jefferson Lab leads the way on cavity redesign

Jacek Sekutowicz, a visiting senior scientist at Jefferson Lab, is leading the way in cavity redesign as part of a proposed 12 GeV upgrade. He and his colleagues aim to reduce or eliminate parasitic modes using high order mode couplers, resulting in highly efficient beam passage through the cavities.

SourceDOE/Thomas Jefferson National Accelerator Facility·DateApr 23, 2003

Twins, close brothers, sisters sought for study of causes of rheumatic diseases

The National Institute of Environmental Health Sciences is conducting a study to investigate the causes of rheumatic diseases, including lupus and scleroderma. The research focuses on identical twins and close siblings, collecting blood and urine samples to examine environmental exposures and genetic variations.

SourceNIH/National Institute of Environmental Health Sciences·DateApr 23, 2003
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.

AERA launches Research Points

Research Points highlights four key actions for policymakers: think about alignment from the start, conduct analysis using multiple criteria, consider standard revisions, and update alignment studies. The series also provides examples of common challenges in test alignment and how to determine sufficient alignment.

SourceAmerican Educational Research Association·DateApr 23, 2003

Engineers aim to make average singers sound like virtuosos

Researchers have developed a system that can alter pitch, duration, and vibrato in singing voices, producing more professional-sounding renditions. The technology uses a sinusoidal model to break down the original voice into components that can be modified to produce a great singing voice.

SourcePurdue University·DateApr 23, 2003

AERA honors Hunt for public service in education

AERA honors James B. Hunt Jr. for his commitment to using education research in policy-making, resulting in improved student performance in North Carolina. The former governor received the Public Service Award at AERA's Annual Meeting in Chicago.

SourceAmerican Educational Research Association·DateApr 23, 2003

UCSB professor says volcanic eruptions in Costa Rica 'inevitable'

Professor Phil Gans predicts that volcanic eruptions in Costa Rica are 'inevitable' and could lead to devastating pyroclastic flows. He studied volcanic rocks and found evidence of subduction-related volcanism dating back 24 million years, with major eruptions occurring every few thousand years.

SourceUniversity of California - Santa Barbara·DateApr 23, 2003

Energy recovery experiment could lead way to new accelerators

Researchers at Jefferson Lab are conducting an experiment to demonstrate energy recovery, which could lead to more efficient and powerful accelerators. By recirculating high-energy electrons, they aim to reduce RF energy usage while maintaining beam quality.

SourceDOE/Thomas Jefferson National Accelerator Facility·DateApr 23, 2003
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.

Nationwide improvement in nursing home care not likely, despite some changes

The quality of care in nursing homes remains a significant challenge, with many experts arguing that public reporting may hasten the demise of low-performing facilities and create a void without clear solutions. A balanced long-term care system is needed to address issues such as staffing, financing, and care delivery.

SourceThe Gerontological Society of America·JournalThe Gerontologist·DateApr 23, 2003

Jefferson Lab's Rocco Schiavilla recognized as 2002 APS

Rocco Schiavilla, Interim Theory Group Leader at Jefferson Lab, was elected APS Fellow in 2002 for his work on nuclei as systems of protons and neutrons interacting via many-body potentials. His research focuses on the development and application of this picture to explain nuclear properties over a wide range of energies.

SourceDOE/Thomas Jefferson National Accelerator Facility·DateApr 23, 2003

NHLBI study finds all-in-one approach to lifestyle changes effectively lowers blood pressure

The PREMIER study found that an all-in-one approach to lifestyle changes, including diet and physical activity, significantly lowered blood pressure in participants. The study showed that those who made the greatest lifestyle changes had the best results, with significant reductions in systolic and diastolic blood pressure.

SourceNIH/National Heart, Lung and Blood Institute·JournalJAMA·DateApr 22, 2003

Torture in Mexican criminal justice system still common, say doctors who examine victims

A study by Physicians for Human Rights and the University of Michigan Health System found that two-thirds of federal forensic doctors reported detainee torture, with nearly half documenting evidence. The incidence of torture may be declining, but monitoring and evidence-gathering are crucial to overcoming the country's history of abuse.

SourceMichigan Medicine - University of Michigan·JournalJAMA·DateApr 22, 2003
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.

Technique brings immune-based therapies closer to reality

Scientists at Johns Hopkins Medicine have developed a new technique for creating targeted, antigen-specific immune cells in the lab. The method uses artificial antigen-presenting cells (aAPCs) to convert generic immune cells into effective disease-fighters.

SourceJohns Hopkins Medicine·JournalNature Genetics·DateApr 22, 2003

The mechanics of anti-tumor activity outlined

Researchers at Winship Cancer Institute report that 2-methoxyestradiol (2ME2) inhibits tumor growth and angiogenesis by suppressing HIF. The compound targets microtubules, leading to the downregulation of HIF-1a and inhibition of tumor angiogenesis.

SourceEmory University Health Sciences Center·JournalCancer Cell·DateApr 22, 2003

Megaportions: What's a body to do?

Experts recommend developing strategies to persuade consumers to eat in moderation, including marketing and labeling changes. Modified foods with reduced fat and added water-rich vegetables can also help reduce calorie intake while maintaining palatability.

SourcePenn State·JournalNutrition Today·DateApr 22, 2003

Multiple lifestyle changes effectively lower blood pressure

A study of over 800 adults found that combining weight loss, improved exercise, and a low-salt diet significantly lowers blood pressure. The participants who received comprehensive lifestyle modification had the best results, with an average reduction of 11mmHg in systolic and 6.4mmHg in diastolic blood pressure.

SourceJohns Hopkins Medicine·JournalJAMA·DateApr 22, 2003
Celestron NexStar 8SE Computerized Telescope

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

Exercise programs can help sedentary older adults

A study by Rebecca E. Lee and Abby C. King found that exercise programs can increase physical activity in sedentary older adults. The researchers reported a significant increase in physical activity among women who enrolled in an exercise-focused program compared to those in a nutrition-focused program.

SourceCenter for Advancing Health·JournalAnnals of Behavioral Medicine·DateApr 22, 2003

Unusually long and aligned 'buckytubes' grown at Duke

The researchers successfully grew extremely long and straight single-walled carbon nanotubes by heating samples quickly, achieving lengths of over 2 millimeters. This breakthrough could enable the creation of billionths-of-a-meter scale electronic circuitry and opens up new possibilities for nanoelectrical components.

SourceDuke University·JournalJournal of the American Chemical Society·DateApr 22, 2003

Professors study how we remember TV news

Researchers have identified a phenomenon where TV viewers misremember facts from news stories, often due to stereotypical thinking. To combat this, they suggest using semantic elaboration to promote critical thinking. By displaying the wrong-doer's face before or alongside the news anchor, false memories can be corrected.

SourceKansas State University·JournalJournal of Broadcasting & Electronic Media·DateApr 22, 2003
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.

Missing protein is double-edged sword in cancer development

The E2F3 protein plays a crucial role in controlling cell division. A study found that its absence can lead to increased genetic instability and centrosome proliferation, which may contribute to cancer development. The researchers discovered that cells without E2F3 were more likely to develop into tumors, especially when combined with ...

SourceOhio State University·JournalCancer Cell·DateApr 22, 2003

Diet, exercise together effective in controlling high blood pressure

A study by Laura Svetkey and colleagues found that a diet rich in fruits, vegetables, and low-fat dairy products, combined with regular exercise, can effectively lower blood pressure. The DASH diet was paired with traditional dietary and exercise guidance for the best results.

SourceDuke University Medical Center·JournalJAMA·DateApr 22, 2003

Scientists discover unique source of stem cells

Researchers have identified a new source of stem cells in human teeth, known as SHED (Stem cells from Human Exfoliated Deciduous Teeth), which can grow rapidly in culture and differentiate into specialized cells. This discovery may lead to breakthroughs in tooth repair, bone regeneration, and neural injury treatment.

SourceNIH/National Institute of Dental and Craniofacial Research·JournalProceedings of the National Academy of Sciences·DateApr 21, 2003

New brain imaging pinpoints areas of brain most crucial for normal functioning

Researchers have developed a new brain imaging technique called Voxel-based Lesion-Symptom Mapping (VLSM), which pinpoint areas of the brain most crucial for normal functioning. The method uses structural MRI scans and compares them to functional brain imaging data, allowing for more accurate mapping of brain damage and behavior.

SourceUniversity of California - San Diego·JournalNature Neuroscience·DateApr 21, 2003
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.

Living with schizophrenia

A new virtual reality device re-creates hallucinations associated with schizophrenia, helping patients better understand their condition and adhere to medication. The technology also offers healthcare professionals a tool to assess treatment effectiveness, ultimately improving patient outcomes.

SourceD S Simon Productions, Inc.·DateApr 21, 2003

U of MN study finds bile acid reduces apoptosis

A University of Minnesota study has found that tauroursodeoxycholic acid (TUDCA) significantly reduces injury associated with hemorrhagic strokes in rats. The bile acid crosses the blood-brain barrier and induces survival pathways while inhibiting destructive ones, leading to a 50% decrease in lesion volume.

SourceUniversity of Minnesota·JournalProceedings of the National Academy of Sciences·DateApr 21, 2003

A kindler, gentler cut for LASIK

A new LASIK procedure uses femtosecond lasers to create precise, high-precision cuts in the human cornea, reducing complications and improving reliability. The technology has been safely used in over 30,000 procedures, offering a bladeless alternative to traditional microkeratome-based methods.

SourceUniversity of Michigan College of Engineering·JournalJournal of Refractive Surgery·DateApr 21, 2003
Fluke 87V Industrial Digital Multimeter

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

Snoring linked to headaches

Chronic snorers are more than twice as likely to experience chronic daily headaches as those with occasional headaches. Researchers suggest that treating snoring could help alleviate headaches in some individuals.

SourceAmerican Academy of Neurology·JournalNeurology·DateApr 21, 2003

Black water turns the tide on Florida coral

A 2002 NASA study found a significant decline in coral cover and species diversity after the 'black water' event, which was caused by a bloom of microscopic marine plants. The dark water reduced sunlight absorption, affecting the ecosystem.

SourceNASA/Goddard Space Flight Center·JournalGeophysical Research Letters·DateApr 21, 2003

Rice study identifies sources of Houston smog particulates

A Rice University study found that diesel engines are the primary contributors of fine particles to Houston's air, followed by gasoline-powered vehicles and road dust. The researchers also discovered that fuel oil combustion from industrial plants produced significant amounts of particulate matter.

SourceRice University·JournalAtmospheric Environment·DateApr 21, 2003

Texas A&M, Ecor Corp. sign deal to produce health-related proteins

A Texas Agricultural Experiment Station scientist has developed a method of producing collagen and other health-related proteins from plants, replacing human or animal sources. The process involves introducing collagen proteins into sugarcane callus, transforming the cane to produce both sugar and collagen protein in cane stems.

SourceTexas A&M AgriLife Communications·DateApr 21, 2003
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.

Genetic abnormalities found in some ALS patients

Researchers identified chromosomal abnormalities in 5.9% of ALS patients, suggesting a previously unknown risk factor for the disease. The study highlights the need for systematic genetic analysis of patients with ALS and other neurodegenerative diseases.

SourceAmerican Academy of Neurology·JournalNeurology·DateApr 21, 2003

Study sheds light on Chlamydial pathogens

A new study by The Institute for Genomic Research found close similarity among the DNA sequences of Chlamydiae pathogens, including C. trachomatis, C. pneumoniae, and C. muridarum, which cause human diseases such as blindness and pneumonia. Nearly 800 genes discovered in C. caviae were also found in these other bacteria.

SourceThe Institute for Genomic Research·JournalNucleic Acids Research·DateApr 21, 2003

Cholesterol-lowering drugs shown to decrease predictor of Alzheimer's disease

Researchers found that participants taking statins lowered their brain cholesterol levels by 21.4 percent, potentially reducing amyloid plaque formation and severity of Alzheimer's disease. The study, led by Dr. Gloria Vega, showed no adverse side effects in patients with normal cholesterol levels.

SourceUT Southwestern Medical Center·JournalArchives of Neurology·DateApr 21, 2003

Rutgers researcher discovers melanoma causing gene

A Rutgers researcher has discovered a gene that causes melanoma by expressing differently in skin cells compared to brain cells. The finding provides new insights into the disease's development and could lead to more targeted treatments.

SourceRutgers University·JournalNature Genetics·DateApr 20, 2003
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.

Baylor researchers show way to diabetes cure with gene therapy

Researchers at Baylor College of Medicine have made a breakthrough in developing a gene therapy that can cure diabetes in mice. The treatment uses the NeuroD gene to induce liver cells to produce insulin and other hormones associated with the pancreas' endocrine system.

SourceBaylor College of Medicine·JournalNature Medicine·DateApr 20, 2003

Structure reveals key to important gene regulator

The structure of MEF2 protein reveals key to its function in regulating genes across various cell types, including muscle, brain, and immune cells. By altering the protein's binding groove, researchers may uncover new targets for therapeutic strategies.

SourceJohns Hopkins Medicine·JournalNature·DateApr 18, 2003

Rapid increase of opioids benefits some dying pediatric cancer patients

A study by Michael DeBaun and colleagues found that children with neuropathic pain require significantly higher doses of morphine and benzodiazepine than those without. Using methadone as an alternative, the team discovered a more effective treatment approach for pain relief in these patients.

SourceWashU Medicine·JournalThe Journal of Pediatrics·DateApr 18, 2003

IUPAC report- Natural and synthetic substances

The article discusses the relationship between natural and synthetic substances in relation to human health. Key findings include the difficulty of synthesizing complex natural compounds and the potential for modification by synthetic chemists to enhance medicinal properties.

SourceInternational Union of Pure and Applied Chemistry·JournalPure and Applied Chemistry·DateApr 18, 2003
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.

The magic behind merlin

Researchers have identified a key function of merlin in maintaining adherens junctions, which are essential for suppressing cancer development and progression. The study reveals that loss of merlin results in destabilization of these junctions, leading to unchecked cell proliferation and tumor formation.

SourceCold Spring Harbor Laboratory·JournalGenes & Development·DateApr 18, 2003

Process triggered by some anti-cancer drugs causes tumors in mice, study finds

Researchers found that hypomethylation, a process triggered by some anti-cancer drugs, can cause tumors in mice. The study suggests that these drugs may do harm as well as good, and highlights the need for further research into the effects of hypomethylation on cancer development in different tissues.

SourceWhitehead Institute for Biomedical Research·JournalScience·DateApr 17, 2003
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.

Key to hepatitis virus persistence found

Researchers identify viral protease NS3/4A as a key player in evading the immune system, leading to new avenues for clinical and basic research on hepatitis C. Inhibiting this protease restores the host's immune response, reducing viral levels to nearly undetectable levels.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalScience·DateApr 17, 2003

Fast changing gene drives species split

Researchers studied a gene called Hybrid male rescue in fruit flies and found it altered at an unprecedented rate, speeding up the formation of new species. The work suggests that genetic changes can occur rapidly, driving species divergence.

SourceUniversity of California - Davis·JournalProceedings of the National Academy of Sciences·DateApr 17, 2003

Emerging stronger from the China crisis

The editorial highlights China's slow information-gathering from rural districts and secretive attitude to national health statistics as major challenges. A concerted effort to compile accurate statistics on HIV/AIDS prevalence could demonstrate China's ability to learn from its mistakes and acknowledge global responsibilities.

SourceThe Lancet_DELETED·JournalThe Lancet·DateApr 17, 2003
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.

Report urges Congress to increase medical research

The report, endorsed by national not-for-profit research organizations, urges a 10% increase in the NIH budget to address Alzheimer's, diabetes, and arthritis. This investment could lead to major medical advances and alleviate suffering from aging-related diseases.

SourceAlliance for Aging Research·DateApr 17, 2003