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Science News Archive 2003


Page 79 of 108

Smart mathematical model prevents the spread of swine fever

A mathematical model developed by Don Klinkenberg suggests that partial vaccinations can effectively control the spread of swine fever. The model indicates that vaccination reduces the spread of the virus but does not completely prevent it, allowing for epidemic persistence for several months.

Designing a digital toolbox to quickly check cognitive function

A new software package called MiniCog is being developed to evaluate cognitive processes and determine mental readiness for tasks. The program uses a series of nine cognitive tasks to assess attention, working memory, problem-solving ability, and other mental functions.

Apple iPhone 17 Pro

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

Potato-related plant species exhaust potato cyst nematode

Researchers have discovered that Solanum sisymbriifolium can eliminate potato cyst nematodes from the soil, which are difficult to control. By cultivating this plant between potato harvests, farmers may be able to reduce the need for pesticides and improve crop yields.

Workplace counseling may boost physical activity, fitness

Researchers found that workplace-based physical activity counseling programs significantly improved employees' physical activity levels and fitness. The program, called PACE, was tailored to individual readiness for change and showed greatest benefits for those with less-favorable health profiles.

Looking at pesticide labels through multi-colored glasses

Researchers are developing user-centered design guidelines to reduce pesticide exposure among ethnic minority farm workers, improving safety and communication. The project aims to create more effective risk communications, applicable to all farm workers regardless of ethnicity.

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.

School changes could help kids be more active, eat better

A two-year study found that environmental changes in middle schools increased boys' physical activity during school hours, leading to improved body mass index. However, no significant change was observed in girls' physical activity or dietary fat intake.

Study offers new insights into angiogenesis inhibitors

Researchers have discovered that combining endostatin and tumstatin may prove more effective in battling cancer than either one used separately. The two inhibitors work through distinct mechanisms, targeting different integrins to inhibit angiogenesis.

American Thoracic Society Journal news tips for April 2003 (second issue)

German researchers found oral sildenafil improves hemodynamics and exercise capacity in patients with chronic thromboembolic pulmonary hypertension. A study also revealed African-American children have a much higher hospital readmission rate for asthma, over four times that of other races/ethnicities.

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.

Difficulties with primate cloning: A religious comment

A recent study suggests that primate cloning is difficult to achieve, even for embryonic stem cells. The researcher proposes a ban on reproductive cloning, citing moral and social concerns. This approach may lead to alternative methods for medical research using embryonic stem cells.

Brain-damage threat from invasive assessment of heart-valve stenosis

A study published in The Lancet found that retrograde catheterization of the aortic valve can lead to clinically silent cerebral embolic lesions, with a substantial risk of structural ischaemic brain damage. Patients undergoing this procedure are at risk of clinical neurological complications, including impaired neurological function.

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.

Astronomers stretch 'celestial yardstick' to new lengths

Scientists at Johns Hopkins University discovered two new instances of Type Ia supernovae, providing valuable insights into the early evolution of the universe. The identified stars are believed to be around 4.7 and 7.6 billion light years from Earth, offering a better understanding of cosmic distances.

DNA sequence of chromosome 7 decoded

The study generates a comprehensive description of human chromosome 7, including medically relevant landmarks and disease-related mutations. The database is publicly accessible, enabling healthcare professionals and researchers to identify specific genes associated with diseases such as autism.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Seeking comfort from the cold

Researchers identified a new transcriptional regulator of CBF genes, ICE1, which increases cold tolerance in Arabidopsis plants. The discovery is expected to provide a new way to improve the ability of domesticated crops to survive in cold temperatures.

UCLA biologists elucidate fertilization process

Researchers have found an optimum amount of fluid motion enhances fertilization significantly, applicable to various species including humans. They also discovered a molecule controlling sperm navigation and an inhibitor blocking its effects.

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.

Avon Foundation-AACR launch new international scholar awards

The Avon Foundation-AACR International Scholars in Breast Cancer Research program provides two-year grants to four junior-level faculty members from limited opportunities countries. The program aims to enhance breast cancer research and clinical care globally.

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.

Age, degree of refractive error increase chances for LASIK retreatments

A recent study found that patients over 40 years old have a higher risk of needing LASIK retreatments, while those with high refractive error and astigmatism also require more frequent corrections. The study's results suggest that lifting flaps using manual technique can reduce the need for recut flaps during retreatments.

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.

Depression during treatment may make it harder for women to quit smoking

Women who struggled with depression during smoking cessation treatment were more likely to relapse, drop out of treatment, and experience increased depressive symptoms. Research suggests that addressing depression through targeted treatment approaches can help improve smoking cessation outcomes for these women.

Eight-fold quantum states blossom in a high-temperature superconductor

Scientists have observed eight-fold configuration of quasiparticle interference in a high-Tc superconductor, predicting a peculiar electronic state known as the 'stripe phase.' This discovery calls into question the necessity of stripes for superconductivity in high-temperature materials.

Lead by example to get your kids to eat right, experts say

A new interactive CD-ROM guides parent educators on teaching adults and children about healthy eating habits, which are linked to reduced cancer risk. The program aims to increase fruit and veggie consumption among African-Americans, who face higher cancer risks.

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.

Physical activity in the elderly ruled in part by genetics

A new study investigates the likelihood that physical activity level regulation with aging is controlled, in part, by genetic factors. The research found significant differences between strains of female mice in physical activity measurements, suggesting a genetic influence on age-related changes in daily physical activity levels.

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.

Celestron NexStar 8SE Computerized Telescope

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

Ultra-wideband explored for ultra-secure, wireless communication

Ultra-wideband technology offers advantages in communication due to its wide spectrum range. The technology allows for efficient transmission and reception of data without interference, enabling military communications to remain secure and domestic devices to achieve higher data rates.

Uninsured cancer patients receive less care

Uninsured cancer patients receive far less health care, with higher out-of-pocket spending compared to privately insured patients. The study highlights disparities in healthcare coverage between Hispanic and non-Hispanic populations, with uninsured Hispanic patients facing significant barriers to care.

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.

New research establishes genetic associations in hepatitis C

A new study has established genetic associations in hepatitis C, finding correlations between the CD4 and IL-1B genes and disease activity. The research suggests a possible role of intrahepatic CD4 T cells in hepatic injury and immune response to HCV infection.

Atrial fibrillation is more common than suspected

Researchers discovered that one out of six patients with a history of atrial fibrillation had asymptomatic episodes, highlighting the need for regular blood thinning to prevent stroke. The study suggests doctors should assume the worst when treating patients at risk of atrial fibrillation and stroke.

Sequence matters when using novel agent

Researchers at M.D. Anderson Cancer Center found that the novel proteasome inhibitor PS-341 works synergistically with certain chemotherapy agents but not others, suggesting a critical role of sequence in treatment efficacy. The findings have important implications for future clinical trials and potential cancer treatments.

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.

Researchers find possible link between pre-natal alcohol consumption and diabetes

Researchers found that prenatal ethanol exposure led to partial central diabetes insipidus in young adult rats, characterized by increased water consumption and reduced vasopressin release. This finding may provide insight into the pathogenesis of diabetes insipidus and offer potential treatment targets for this debilitating disorder.

Obesity prevention program aimed at second graders

A unique program, ENERGY, has been established to reduce childhood obesity and type 2 diabetes among elementary school students. The program incorporates science education enrichment activities to promote healthy eating and active living.

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.