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Science News Archive August 2003


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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.

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.

Apple iPhone 17 Pro

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

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.

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.

Meta Quest 3 512GB

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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

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.

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.

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.

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.

Study provides new insights into emerging theory of gene regulation

Researchers at The Wistar Institute have provided new insights into the emerging theory of gene regulation, showing how two enzymes work together to activate specific genes by loosening chromatin. This study supports the 'histone code' theory, suggesting complex modifications to histones control gene activity.

Body scanners for lab animals

Researchers at UC Davis have developed an advanced PET scanner, MicroPET II, that can resolve a volume of one cubic millimeter, significantly improving detection of small cancer cells in experimental animals. The non-invasive imaging technology allows researchers to gain more information and use fewer animals in studies.

URI physical oceanographer awarded NOAA grant for hurricane research

Dr. Ginis receives two-year grant to improve hurricane forecasting model and enhance storm prediction capabilities. The model, developed in collaboration with NOAA scientists, aims to better understand and predict extreme winds and heavy rain causing $5 billion in annual damages.

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.

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.

Nanomedicine: Grounds for optimism and a call for papers

The Lancet calls for increased investment in nanomedicine research, citing its potential to revolutionize disease diagnosis and treatment. The field's benefits include novel means of imaging and delivery systems for drugs and gene therapies.

Methane thought to be responsible for mass extinction

A new study suggests that massive methane releases could have led to the extinction of up to 95% of marine species and 70% of land species. The researcher estimates that 10,000 gigatons of dissolved methane could have been released, causing catastrophic conflagrations and flooding.

American Thoracic Society Journal news tips for September 2003 (first issue)

Researchers developed a new composite score combining CT imaging and pulmonary function testing to assess treatment effects in young cystic fibrosis patients. A new test was also developed to predict increased mortality risk in idiopathic interstitial pneumonia patients with significant decline in pulmonary function.

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.

Modern global warming more damaging than in the past

Research reveals that human activity has reduced natural habitats, making it difficult for species to adapt to climate change. Mobile species like birds and butterflies are more likely to survive, while sessile species like reptiles and amphibians are at high risk of extinction.

Bladder cancer survival rate jumps

A new study reveals that patients who received neoadjuvant chemotherapy lived an average of 31 months longer than those treated with surgery alone. The combination therapy showed a 66% greater chance of surviving bladder cancer.

UT Southwestern gets new cryo-electron microscope

The new cryo-electron microscope allows for unprecedented high-resolution imaging of individual molecules and cellular structures, enabling scientists to study complex diseases such as diabetes, obesity, and Alzheimer's disease

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.

Detoxifying sediments with electrons and UV light

New technique uses electron beams and ultraviolet light to remove chlorine ions from polychlorinated biphenyls (PCBs), reducing toxicity and enhancing biodegradation prospects. The method shows promise for decontaminating sediments contaminated with PCBs, a potential risk factor for cancer.

Technological breakthrough in silicon photonics

Researchers at the Max Planck Institute have developed a novel technique for tailoring silicon nanocrystals on 4-inch wafers, enabling the mass production of these tiny crystals. By controlling the size and position of the nanocrystals, the team aims to improve the efficiency of light-emitting devices such as LEDs.

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.

Research on relative species abundance provides new theoretical foundation

Research by Jayanth Banavar, Igor Volkov, and Amos Maritan provides a mathematically stronger framework for Hubbell's Neutral Theory of Biodiversity, explaining patterns of relative species abundance and biogeography. The study rebuts criticisms and sheds light on the long-standing problem in island biogeography.

Recipe for a 'shake gel'

Researchers at NIST used a special facility to study 'shake gels,' materials that firm up and relax in response to external stimuli. They discovered the polymer's oxygen atoms, not hydrogen atoms, attach to clay, and water binds to surfaces in a perpendicular arrangement.