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Science News Archive September 2002


Page 6 of 8

Research may take the 'anti' out of antioxidants

Researchers at Michigan State University and the Cancer Research UK London Research Institute found a way for an enzyme to repair DNA using iron and oxygen, bypassing oxidation. This discovery offers possibilities for understanding biological functions and combating diseases such as cancer and aging.

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.

DNA’s oscillating double helix hinders electrical conduction

Research reveals DNA's chaotic movements limit its electrical conductivity, making it challenging for scientists to develop new molecular microelectronics. A fixed double-helix structure would improve DNA's ability to initiate reactions through charge transfer.

Introvert persons are more likely to become tired at work

A two-year study by psychologists from Tilburg University found that introvert persons are more likely to become tired at work due to their workload and perception of busyness. The study also showed that physical and mental tiredness are closely linked, highlighting the importance of including both in workplace investigations.

Slightly stressed carp succumb easily to parasite

Researchers found that stressed carp are easily infected by the single cell parasite Trypanoplasma borreli due to high levels of cortisol. The study revealed that cortisol inhibits crucial proteins that protect fish from parasites, rendering them more susceptible to infection.

Waddenzee fresher than ever

The Waddenzee's water quality has changed significantly over the past 140 years, with a doubling of freshwater quantity contributing to increased nutrient levels. This shift affects species composition and plankton growth, with algal blooms continuing to increase.

Apple iPhone 17 Pro

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

Genomics and world peace

The European Molecular Biology Laboratory highlights the potential for genomic research to combat tropical diseases. However, commercial interest in developing treatments has been limited, and it will be necessary to combine efforts from not-for-profit organizations and private funds to support research in developing countries.

People who 'gave up' after 9/11 more likely to remain distressed

A nationwide longitudinal study of psychological responses to September 11 found that six months after the attacks, effects continued throughout the country among individuals not directly affected. Those with preexisting mental or physical health difficulties and greater exposure to the attacks showed continued stress symptoms over time.

New DNA typing method could ID remains of some 9/11 victims

A new DNA typing method has been developed to help identify human remains that cannot be matched with the current protocol. The technique, called a 'miniplex,' uses a smaller set of reliable DNA markers to study tiny pieces of genetic material and could aid law enforcement in solving cases across the country.

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.

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.

UCSB ecology center to receive grant

A five-year initiative led by Partnership for Biodiversity Informatics will enhance researchers' global access to data and information. The project aims to locate relevant data sets, utilize distributed computational services, and exercise new analysis methods.

Sex-pheromone link to insect evolution

Researchers at Cornell University discovered a previously undetected gene that regulates insect sex-pheromone production, leading to rapid evolution of chemical systems and new species emergence. The delta-14 gene allows females to change their pheromone components, attracting only one male out of 200 with the same response.

People who 'gave up' after 9-11 more likely to remain distressed

A nationwide study led by Roxane Cohen Silver found that individuals who disengaged from coping efforts after the 9-11 attacks were more likely to experience poor psychological outcomes. The study revealed that even those not directly affected by the attacks continued to experience anxiety about future terrorist attacks.

Male birds' ability to learn song affects female mating response

Researchers found that the quality of a male bird's learned song is linked to its attractiveness to females, who prefer well-copied wild-type songs. The study suggests that females use song-learning ability as an indicator of male quality and provides insight into the role of traits learned by males in sexual success.

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.

OTC sales of smoking cessation aids up, effectiveness down

Despite increased OTC sales, smoking cessation aid effectiveness has decreased, particularly among light smokers who are less responsive to these products. Researchers recommend using NRTs in combination with behavioral counseling to overcome barriers to quitting.

Satellite data could track vulnerable areas, terrorist threats

Researchers use satellite data to identify geographic areas at risk of terrorist threats, tracking changes in chemical and power plants, utility lines, and population density. The technology has potential for detecting airborne agents and supporting homeland security initiatives.

New Amazon forest monitoring team: RAINFOR

The Amazon forest, a significant carbon sink, may be slowing global climate change. A new monitoring team, RAINFOR, aims to study the impact of environmental changes on Amazonian forests. The project will analyze data from multiple sites across the basin to better understand productivity and dynamics.

Athleticism and body weight tied to ALS and other motor neuron diseases

A recent study found that individuals who were always slim or participated in varsity athletics had a higher risk of developing ALS and other motor neuron diseases. The researchers suggest that vigorous physical activity may contribute to the development of these conditions, but further studies are needed to confirm this association.

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.

The Euro campaign - Don't mention the politics!

The EU referendum focuses on economic issues, with both pro-euro and anti-euro groups campaigning on this aspect. Key findings suggest that the process may fail to promote a full and frank debate if only central issues are addressed.

Six of the best

Researchers present findings on how improved food access affects diets, ethnic inequalities in health, and the impact of capitalism on Eastern Europe. They also explore the relationship between economics and happiness, highlighting surprising statistics about marriage and divorce.

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.

Re-emerging field contributes to 10,000 patents yearly

The field of operations research has a significant impact on the development of medical and telecom innovations, with 24,637 patents referencing optimization techniques between 1996-2001. The study highlights the use of simulation and queue management as critical components in inventions.

Garlic may protect the heart from damage after surgery

A recent study found that regular consumption of raw garlic can prevent oxidative stress and tissue damage in rats. The results suggest that garlic has potential to save lives of patients undergoing heart surgery by protecting against ischemic-reperfusion injury.

Meta Quest 3 512GB

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

Politicians must exploit the Internet to win 'apathetic' young voters

Young people are more likely to engage in online political activity, with 30% aged 15-24 participating online compared to 10% offline. Internet users are also more likely to contact political figures and engage in discussions. However, most political organisations struggle to use the internet creatively to reach new constituencies.

USGS to map richness of aquatic life in the Great Lakes

The USGS will create maps and data to assess aquatic biodiversity in the Great Lakes region, which supports over 30 communities of unique plants and animals. The goal is to protect habitats and preserve species richness through conservation efforts across 49 states.

California’s native grasses can be restored

Researchers found that native plants outcompete exotic species when provided with seeds, but their low seed availability is likely due to historical grazing and drought. This discovery suggests that providing seeds may be enough to restore native species in many areas.

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.

What do you mean throw out the food guide pyramid?

A new report rejects the outdated Food Guide Pyramid, instead recommending a balanced approach to fats, carbohydrates, sugars, fiber, and protein. The report emphasizes the importance of balancing energy output with food intake, particularly among sedentary Americans.

Promoting marriage may not benefit all children

A recent study published in Child Development found that black children in single-parent households do as well as those in two-parent homes in terms of math scores and delinquency. The study suggests that policies promoting marriage may have little effect on black children, unlike white children

Biodegradable plastics go to compost heaps, not landfills

Researchers have developed fully biodegradable composites made from soybean protein and plant-based fibers, which could replace plastic parts in various applications. These green composites provide excellent insulation and are low in cost, biodegradable, and replenishable on a yearly basis.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Internet banking causes biggest industry shake-up in 400 years

New internet-based banks are posing a significant threat to traditional banks and building societies by offering cheaper prices, better choices, and targeted products. The established financial institutions must overhaul their strategies to maintain competitiveness in the lucrative market.

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.

Artificial liver trials show progress, as transplant candidates wait

Researchers have made significant strides in artificial liver technology, with 20 patients using the albumin dialysis approach in a phase I trial. The system has shown promise in reducing blood toxins and reversing coma and shock, offering hope to those waiting for liver transplants.

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.

From parasitism to mutualism

A study by Johnstone and Bshary found that the threat of leaving by clients can prevent cleaners from exploiting them. In asymmetric interactions, this 'partner control' model matches existing data on cleaner and client behavior.

Microscience to license vaccine delivery technology

The University of Maryland Biotechnology Institute has licensed its DNA Bactofection technology to Microscience, enabling the delivery of DNA vaccines for viral diseases and cancers. Microscience will use the technology to develop a range of DNA vaccines, including those for typhoid, travellers' diarrhea, and hepatitis B virus infection.

Celestron NexStar 8SE Computerized Telescope

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

A new method for assessing neurological development of fetuses?

Researchers have developed a new technique to record visual evoked brain activity in human fetuses, using magnetoencephalography (MEG). Four out of ten fetuses showed brain responses to visual stimuli, paving the way for further studies on neurological development.

Loblolly pine open for genetic engineering, research shows

A breakthrough in genetic engineering has enabled scientists to transform loblolly pine trees with improved drought tolerance and disease resistance. The study demonstrates the use of a shoot-based transformation method, which can accelerate the improvement of this important species.

Vaccine prevents stroke in rats

A new vaccine has been shown to prevent stroke in rats by reducing inflammation in blood vessels. The study found that the vaccine reduced ischemic strokes by 16 times and prevented hemorrhagic strokes altogether.

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.

9/11 one year on: Bridging the world’s divisions

A study published in The Lancet found that single-session psychological debriefing after traumatic events is ineffective and may even do more harm than good. The research suggests that formal therapy like critical incident stress debriefing can prevent people from seeking natural family or social support systems.

Geriatric provider shortage suggests health care needs to improve with age

A shortage of geriatric doctors and nurses poses a significant challenge to the aging population in the US. With only 9,000 geriatric doctors currently available out of 20,000 needed, the authors suggest that students in health professional education programs should have required content in caring for older adults.