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Science News Archive 2003


Page 38 of 108

Program evaluation critical to Pakistani doctoral retainment

A recent study found that Pakistani researchers face significant challenges after completing their doctoral training abroad, including limited research grants and underutilization of their expertise. The study suggests that innovative models are needed to stimulate research and benefit the country.

Study raises prospect of practical vaccine for metastatic melanoma

A new vaccine has shown promise in stimulating a powerful immune response against melanoma tumors, with 10 patients still alive three years after treatment and no signs of disease in four cases. The vaccine, made using a weakened cold virus, was safe and relatively easy to produce, with minimal side effects.

Apple iPhone 17 Pro

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

Bone loss prevention drug showing promise in advanced prostate cancer

A clinical trial found that oral sodium clodronate reduced the risk of symptomatic bone progression by 21% and mortality by 20% compared to placebo, but with limited statistically significant results due to small population size. However, side effects were common, particularly in older patients.

Breaking communications 'stovepipes'

The US Navy is developing an all-digital radio receiver that can handle multiple simultaneous signals and reduce communication 'clutter'. The new technology, developed by HYPRES Inc., will enable seamless interoperability among different military units and systems.

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.

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.

Other highlights in the September 3 issue of JNCI

The Annual Report to the Nation on Cancer statistics shows stabilized cancer rates. A study found carboplatin-paclitaxel is better tolerated in ovarian cancer patients than cisplatin-paclitaxel. Another study linked blood transfusions with HHV-8 seropositivity, while HPV status may predict cervical lesion prognosis

Mouse, stripped of a key gene, resists diabetes

Researchers have discovered an engineered mouse that can eat a high-fat diet without gaining weight or developing diabetes. The mouse lacks the SCD-1 gene, which affects fat production and glucose regulation. As a result, muscle cells are more sensitive to insulin, enabling them to absorb glucose and regulate blood sugar levels.

Terrible hours and more...

A historic conference at the U.S. Naval Academy brought together experts on underwater rescue and salvage, including survivors of notable submarine accidents like USS SQUALUS and USS TANG. The accounts of these men are now transcribed in a new book that explores some of the most daring undersea missions of the last century.

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.

JCI Table of Contents

A comprehensive study on anthrax lethal toxin reveals that human infection is not caused by septic shock but rather hypoxia-induced liver failure. The findings suggest that existing therapies for cytokine-mediated sepsis will not be effective in treating anthrax, highlighting the need for new approaches to treatment.

Hot pepper chemical links tongue to heart

Researchers discovered that 'hot pepper' receptors on the heart trigger symptoms of heart attack and may lead to new treatments for angina pectoris. The study found that these receptors cause blood vessels to constrict and increase blood pressure, leading to chest pain.

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.

Articles on protected area management published in BioScience

A special section of BioScience provides in-depth analyses of assessment systems for protected area management effectiveness. Key findings include the need for more widespread use of assessments and monitoring, as well as the identification of critical management issues such as funding, staffing, and community relations.

Study shows brain activity influences immune function

A study published in the Proceedings of the National Academy of Sciences found that individuals with greater activity in the left side of the prefrontal cortex had a stronger immune response against disease. The researchers measured brain activity and immune function in 52 individuals between 57-60 years old, and found a positive corre...

Dual action anthrax vaccine more effective

A new vaccine targets both the anthrax bacterium and its toxins, demonstrating improved effectiveness in mice tests. The dual-action approach also holds promise as a therapeutic vaccine to help those already infected control the bacteria over time.

Purdue research plots new field in plant genomics

Purdue University researchers have developed a new field called 'ionomics,' which studies how genes regulate all the ions in a cell. This research holds promise for creating mineral-efficient plants that need little fertilizer, crops with better nutritional value, and plants that can remove contamination from the soil.

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.

Farmers needs are key to acceptance of new crops

Dalton's study reveals farmers value plant height, days to maturity, and processing characteristics over yield increase. He used a hedonic model to derive economic values of crop traits, aiding breeders in creating technology.

St. Jude identifies ways to improve treatment of childhood leukemia in Honduras

In Honduras, abandonment of therapy and fatal infections lead to high mortality rates among children with ALL, but can be corrected with interventions such as transportation funding and education programs. The study found that improving survival rates requires a two-pronged approach, also addressing infection and overcrowding issues.

Emory scientists track down immune sentinel cells with gene gun

Researchers used a gene gun to target dendritic cells, the 'security cameras' of the immune system, and found that their number is 100 times higher than previously thought. This discovery could lead to more efficient vaccine development using abundant, long-lived dendritic cells.

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.

Making 3-D chips a reality

Researchers at Rensselaer Polytechnic Institute are developing new interconnect technologies that enable three-dimensional circuit integration, promising improved performance and function. The technology uses damascene processing to bond wafers together face-to-face, reducing global travel distance and enabling faster signal transmission.

Stem cells shown to regenerate damaged lung tissue for first time

Adult stem cells have been shown to regenerate damaged lung tissue, offering a promising new treatment for devastating lung diseases. The study's findings suggest that circulating stem cells can repair damage in organ tissue, which could have a huge impact on the treatment of conditions like emphysema and cystic fibrosis.

Grant renews funding of research toward cloning primates

Scientists at the Pittsburgh Development Center are working towards cloning nonhuman primates, overcoming fundamental molecular obstacles first reported in 2003. The goal is to generate at least 10 cloned nonhuman primates and produce identical offspring through embryo splitting for studying human diseases.

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.

Few Filipino farmers know of the benefits of golden rice

A Cornell University researcher found that awareness and knowledge of golden rice among Filipino farming community leaders is almost nonexistent. Vitamin A deficiency affects over 100 million children worldwide, leading to preventable blindness and high mortality rates.

Poll: NY residents split on biotechnology in food and agriculture

A recent poll found that New Yorkers are divided on the use of biotechnology in food and agriculture, with 39% opposed to its use. The study also revealed demographic differences among those who support or oppose biotechnology, with opponents being more likely to be female, liberal, and younger.

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.

Study shows no deaths from living liver donors in Japan

A study of 1841 living liver donors in Japan found no perioperative mortality, but serious complications were reported. The study highlights the importance of prioritizing donor safety in organ transplantation to minimize morbidity and mortality.

What's really happening to family and other intimate relationships?

A review of sociological research on family relationships highlights two dominant accounts: one emphasizing family breakdown and moral decline, while the other focuses on transformation and democratization. Despite this, a third perspective argues that there has been little substantial change in personal ties and obligations.

Subversive strep bug strategy revealed

Researchers at the NIH/NIAID have discovered that streptococcal infections trigger altered gene expression in neutrophil white blood cells, exposing potential targets for new treatments. The findings provide insight into how these common bacteria evade immune defenses.

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.

UNC study: Trails, places to excercise, streetlights can boost activity levels

The UNC study found that residents with access to trails, sidewalks, and well-lit streets were more likely to meet the recommended physical activity levels. Notably, blacks, American Indians, and those with lower education and income levels reported less favorable neighborhood environments and reduced access to exercise spaces.

Key brain link in associative learning directly observed

Researchers have directly observed the brain mechanisms involved in predictive associations, a key process in associative learning. The study found that changes in neural activity in the amygdala support changes in the orbitofrontal cortex, highlighting the importance of this brain system.

Sage improves memory, study shows

A study published in Pharmacology, Biochemistry and Behaviour found that sage oil improved word recall test performance in healthy young adults. Sage is being investigated as a potential treatment for Alzheimer's Disease due to its ability to inhibit the enzyme acetylcholinesterase.

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.

Study seeks genetic keys to exercise success

A new study is investigating the role of genetics in exercise response, seeking to identify genes that influence body composition and fitness. The project aims to develop personalized exercise programs tailored to individual needs, which could lead to improved weight loss and reduced obesity-related risks.

Dartmouth bioengineers develop humanized yeast

Researchers at Dartmouth College and GlycoFi have developed a technology to produce human-like glycoprotein structures in yeast, offering improved quality and quantity of pharmaceutical proteins. This breakthrough has the potential to increase patient access to life-saving drug therapies by overcoming production capacity bottlenecks.

New fitness system turns couch potatoes into armchair troopers

The Exten Fitness System uses motorized chairs to provide a safe all-body workout for those unfit or overweight, helping counter the UK's 'couch potato' culture. The system offers 23 exercises in 30 minutes, promoting increased muscle tone and mobility, improved circulation and coordination.

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.

More sprawl means more weight and less walking

Researchers analyzed health data from over 200,000 people, finding that compact counties were associated with increased leisure time walking and lower weights. The study suggests that urban design can impact physical activity levels and overall health.

Celestron NexStar 8SE Computerized Telescope

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