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Science News Archive 2002


Page 87 of 93

How to unclog the Internet? Put it in reverse

Reverse computation could help network managers identify trouble spots before congestion occurs, decreasing processing time by a factor of 10 or more. The technique aims to aid in rapid design of future network systems and improve the efficiency of current techniques.

Derrida's deconstruction to help safety industry

A standard decision-making framework is being developed to formalise regulatory bodies' assessment of safety cases, reducing subjective judgements. Deconstruction, a technique from French philosopher Derrida, will be used to find meanings in texts that authors did not intend, improving the accuracy of decisions.

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.

Men with higher levels of PCBs more likely to father boys

A recent study published in the Journal of Occupational and Environmental Medicine found that men with higher levels of polychlorinated biphenyls (PCBs) were more likely to father boys. Researchers analyzed data from 208 children born to 101 families, where PCB levels were detectable in both fathers and mothers.

Genetica, Inc. develops high throughput RNAi tool for drug target validation

Researchers at Genetica and Cold Spring Harbor Laboratory have developed a cost-effective method for determining the role of specific genes using RNAi. This approach enables stable silencing of gene expression in mammalian cells, allowing for rapid assessment of gene function, previously limited to plants and certain model organisms.

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.

New transgenic rat model of ALS expands research possibilities

Scientists have created a new transgenic rat model of amyotrophic lateral sclerosis (ALS) that can quickly test novel treatments and advance understanding of the disease. The rats carry an abnormal human gene for superoxide dismutase, which reveals the critical role of astrocytes in ALS progression.

Gene for neat repair of DNA discovered

Researchers discovered that the Rad54 gene plays a vital role in repairing DNA breaks in a neat and efficient manner, preventing mutations. The study's findings suggest that individuals without this gene may be more susceptible to radiation therapy side effects and could benefit from milder treatment protocols.

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.

David Nelson to receive the first annual PITTCON Heritage Award

David Nelson, pioneer of chromatography data systems, recognized for promoting public understanding of analytical chemistry and its role in world economies. His work demonstrated the benefits of personal computers in analytical chemistry, benefiting forensic science, pharmaceutical drug discovery, and environmental remediation.

Dosage appears to be a critical factor in cocaine vaccine

A study conducted by Yale University has shown that a cocaine vaccine can significantly reduce cravings and addiction in patients who abuse the drug. The vaccine was found to be safe and effective in increasing anti-cocaine antibodies, which help prevent the uptake of cocaine across the blood-brain barrier.

Nanomaterials expert wins Franklin Medal in Earth Sciences

Navrotsky's work has pioneered methods to measure the energy needed to form crystal structures, allowing scientists to study minerals deep within the earth. Her research has established the identity of materials at hundreds of kilometers depth, enabling new discoveries in nanogeoscience.

UNC expands national clinical trials of schizophrenia and Alzheimer's drugs

The University of North Carolina is expanding its CATIE project to examine the effectiveness of newer anti-psychotic drugs for schizophrenia and behavioral problems in Alzheimer's disease. The trials will include a newly-approved drug, ziprasidone, and aim to determine its relative effectiveness compared to other medications.

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.

MIT professor to receive the 2002 Othmer Gold Medal

Langer's groundbreaking research in controlled drug delivery and tissue engineering has paved the way for a multi-billion dollar industry. His work has led to the development of novel biodegradable polymers with medical applications, including a FDA-approved treatment for brain cancer that extends patient lives.

Scans link 2 key pieces of schizophrenia puzzle

Researchers have linked two key brain abnormalities in schizophrenia, including reduced frontal lobe activation and abnormal dopamine release, suggesting a common pathophysiological mechanism. The study suggests that antipsychotic drugs may target the wrong area, leading to an excess of dopamine activity.

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.

What killed King Herod?

Clinicians and scholars unraveled the mystery of King Herod's death, concluding he died from chronic kidney disease likely complicated by Fournier's gangrene. The diagnosis was reached through a historical case study presented at the VA's Clinical Pathologic Conference.

Clamping down on a cancer-causing protein

Researchers have identified a crucial structural piece in the Abl protein that acts as an internal switch to control its transmission of signals. This discovery provides potential targets for designing new drugs specifically for cancers caused by BCR-Abl, which is linked to leukemia.

Magnetic moments in a crystal mosaic

A team of physicists has discovered evidence of an unusual, fluctuating magnetic order in high-temperature superconductors, which could be crucial for explaining this phenomenon. This discovery was made using neutron beams to investigate the properties of a high temperature superconductor.

Reserve creates model for science-based indigenous stewardship of land

The Ecuadorian government has signed a decree to create a globally outstanding protected area in the Andean foothills, led by The Field Museum and the Cofán Survival Fund. This marks the first time federally protected lands have been placed in official custody of indigenous people, with the Cofán residents set to manage the 195-square-...

Consumer issues in the spotlight of new research

The Cultures of Consumption programme investigates growing significance of consumer issues in society. It examines the role of consumers, consumption patterns, and their impact on health, environment, family life, and civil society.

Apple iPhone 17 Pro

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

Antioxidant prevents type 1 diabetes in mice

Researchers found that an antioxidant, AEOL 10113, can prevent type 1 diabetes by modifying the immune system's recognition of antigens. The treatment lasted for up to four weeks, suggesting a promising new line of research for autoimmune diseases.

Meta Quest 3 512GB

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

Jaguar conservation spotty

A recent study assesses the jaguar's long-term survival prospects and identifies priority areas for conservation. The researchers found that the big cats are likely to survive in 70% of their current range, with the Amazon Basin being a key region for protection.

Preventing overload in the brain

The study found that interneurons inhibit pyramidal cells in two ways, allowing the brain to remain alert without becoming overloaded. This mechanism is crucial in preventing epilepsy, where the brain becomes disorganized and overwhelmed.

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.

Microchip gives blind chance of sight

Researchers from the Office of Naval Research have developed a retinal microchip to restore vision in the blind. The chip electronically stimulates healthy retina cells, transmitting signals to the brain to recognize faces and read large text.

Moderate alcohol consumption could reduce risk of dementia

A Dutch study suggests that moderate alcohol consumption may reduce the risk of dementia among older individuals. The research found a significant association between light-to-moderate alcohol intake and a lower risk of developing dementia, as well as vascular dementia.

Protein may be target for new cancer drugs

Researchers found that the Hrs protein regulates cell proliferation by tagging receptors for degradation through a process called endocytosis. This finding could lead to new cancer treatments targeting the Hrs protein.

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.

Navy medics going digital

NavMedWatch enables healthcare professionals to track medical assets, anticipate future needs, and provide alerts for transportation to other facilities. The next version will include a history function to track individual patient care throughout the Naval medical system.

Scientists to manipulate the 'super-size boson'

Researchers Eric Cornell, Carl Wieman, and Wolfgang Ketterle create a super-size boson by manipulating Bose-Einstein Condensates. They achieved this feat using optical and magnetic trapping techniques, demonstrating the wave nature of matter.

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.

Chemical industry helped by small invisible tube

Researchers from Utrecht have discovered that carbon nanofibres can effectively replace active carbon as a carrier for catalysts, enhancing the efficiency of hydrogenation reactions. The new material allows for the reuse of catalysts and has shown promise in the industrial-scale production of compounds like cinnamon alcohol.

Race could influence outcome after liver transplantation

A recent study found that liver transplant patients from African American and Asian backgrounds experience lower two-year and five-year survival rates compared to their white American and Hispanic counterparts. The study suggests a need for further research into the reasons behind these disparities in patient outcomes.

Outside-in conservation: What's around an area

Research shows that ant diversity near forest fragments is higher in shade than sun coffee farms, and salamander abundance is higher in disturbed streams confluent with undisturbed ones. Conservation efforts may focus on making surrounding areas more conservation-friendly rather than connecting fragments.

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.

Darwin and the world’s first ecological experiment

Researchers have discovered an experiment conducted by George Sinclair, head gardener to the Duke of Bedford, in a garden at Woburn Abbey in South East England. The study investigated the relationship between biodiversity and ecosystem functioning, which is currently a hot topic in ecology. The findings push back the link between commu...

Fragmentation can make seedlings wimpy

Research in tropical dry forests reveals that fragmentation decreases seedling quality, with reduced germination rates and smaller leaves. Despite the negative effects, isolated trees can still serve as genetic stepping stones for pollinating moths and gene flow between populations.

Race influences outcome of liver transplants, according to Hopkins study

A Hopkins-led study found that African Americans and Asians have poorer graft rejection and survival rates after liver transplantation compared to white Americans and Hispanics. The study's lead author suggests that more research is needed to determine the causes of these disparities, with preliminary data suggesting socioeconomic fact...

What remains to be discovered in Central American forests

A new report identifies knowledge gaps in Central American flora, particularly among fungi and mosses. The Mesoamerican and Caribbean Herbarium Network, which holds over one million plant specimens, is a key resource for future discovery.

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.

Research shows way to boost morphine's pain-killing benefits

UCSF scientists have demonstrated in animals how morphine's potent painkilling powers can be sustained without increasing dosages. By pairing morphine with an opioid that facilitates endocytosis, they showed that the natural cellular process can arrest the pattern of tolerance to morphine.

High survival rate for stem cell transplants to treat (SCID)

Researchers at Duke University Medical Center found that stem cell transplants performed within the first 28 days of life have a 95 percent success rate in treating newborn babies with severe combined immunodeficiency (SCID). The early transplants also stimulate a more robust and effective immune system, with reduced stresses on the th...

Climate change following collapse of the Maya empire

A team of paleoecologists from Amsterdam used pollen grains to accurately recreate the local climate in Southern Mexico and Northern Guatemala around 1000 AD. The study suggests that the collapse of the well-organised Maya empire led to widespread destruction of wildlife and agricultural areas, resulting in a drier climate.

Gene for neat repair of DNA discovered

Scientists have identified a key gene, Rad54, involved in neat DNA repair, preventing mutations and potentially improving cancer treatment. The study found that patients with an inactive Rad54 gene are more susceptible to radiotherapy side effects, leading to the idea of milder treatments.

Celestron NexStar 8SE Computerized Telescope

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

American Thoracic Society Journal news tips for January (second issue)

A study of 63 young persons found that children who started wheezing between ages 2 to 5 were highly likely to continue wheezing in adulthood. Researchers also developed a brief questionnaire to predict future asthma-related healthcare utilization. Additionally, sleep disordered breathing was linked to obesity and craniofacial abnormal...

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.

Surf against surface: tortured water ripples at contact

Scientists have successfully pinned down water at a hydrophobic surface, revealing capillary waves that ripple against the surface. This finding may aid in understanding structure of water films near patchy hydrophilic-hydrophobic surfaces.