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Science News Archive March 2006


Page 17 of 18

Conference examines latest research on drug-induced liver injury

The conference focused on idiosyncratic DILI, a rare form of liver damage caused by genetic and non-genetic factors. Researchers aim to develop diagnostic tools to identify patients at risk, with studies examining DNA, lymphocytes, and serum samples from patients who have experienced and recovered from idiosyncratic DILI.

Poor neighborhood conditions triple risk for disabilities

A study published in the American Journal of Epidemiology found that poor neighborhood conditions, such as noise and air quality, can increase the risk of disability in middle-aged African Americans by three times. The researchers assessed limitations in lower-body function among 563 participants living in St. Louis neighborhoods with ...

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.

Sex: Why bother? Evolutionary mysteries probed at UH

Ricardo Azevedo's study using a computational model suggests that sexual reproduction can lead to the evolution of negative epistasis, which confers an evolutionary advantage on sexually reproducing organisms. This finding implies that sex may be self-reinforcing, leading to increased robustness in populations.

New route to stroke therapy could protect vulnerable neurons

Researchers have found a way to protect vulnerable neurons in the hippocampus from stroke damage by correcting a specific molecular malfunction. By targeting the AMPA receptor subunit editing machinery, they can prevent calcium influx and subsequent neuronal injury.

Wellcome brain insights

Dr Jacquelyn Bond is studying the ASPM protein to understand its role in brain development and its connection to microcephaly. The research aims to uncover the pathways involved in brain development and determine how aberrations in these pathways lead to microcephaly.

UMaine researcher puts new date on early agriculture

A team of researchers has discovered evidence of cultivated corn in southern Peru dating back to around 3,600-4,000 years ago, challenging long-held beliefs about the origins of agriculture in the region. The discovery, made using microfossil analysis, also highlights the potential of this technique as a new tool for archeologists.

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.

Habitat microstructure drives salamander metamorphosis

A study published in BMC Biology found that Oklahoma salamanders metamorphose into more terrestrial adult forms in fine, tightly packed gravel streambeds and retain juvenile forms in large, loosely packed particles. The researchers discovered a strong negative correlation between small streambed sediments and paedomorphosis.

Smoking cessation delivered at-home proves effective

Home health care nurses using motivational enhancement counseling techniques significantly improved smoking cessation rates compared to standard care. Patients in the motivational enhancement group were more likely to quit and had lower cigarette consumption, highlighting the potential of this approach to promote public health.

Amber reveals ecology of 30 million year old spiders

A study of fossilized spiders from the Baltic and Dominican regions provides new insights into ancient spider ecologies. The research found that web-spinning spiders were larger in Baltic amber than in Dominican amber, with the size difference attributed to the type of trees in each region.

Obese people are more sensitive to pain, suggests study

Researchers found that obese participants exhibited a greater physical response to electrical stimulation than non-obese individuals, indicating lower tolerance for painful stimuli. The study suggests that obese people may not cognitively experience pain during exercise, increasing the risk of severe pain later on.

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.

Obesity and risk for death due to motor vehicle crashes

A study of over 22,000 drivers found that men with higher BMIs were at greater risk of death from front or left-side collisions, particularly at high speeds. The research suggests that obesity may pose a significant health risk for male drivers and highlights the need for targeted interventions to improve traffic safety policies.

Nature, nurture and the risk of depression

Researchers found 42% of a group of 127 people met criteria for lifetime major depression, with three genetic types identified in the population. Those with the predisposition have an 80% chance of becoming depressed if exposed to multiple negative life events.

Apple iPhone 17 Pro

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

New anti-drug program shows 'phenomenal' success by focusing on positives

A new anti-drug program, 'Be Under Your Own Influence,' has shown phenomenal success in reducing marijuana and alcohol use among teens. The campaign's focus on positive themes, such as independence and self-control, resulted in a significant decrease in substance use compared to schools without the program.

'Nano skins' show promise as flexible electronic devices

A team of researchers at Rensselaer Polytechnic Institute has developed a new process to create flexible, conducting 'nano skins' that can be used in various applications, including electronic paper and sensors. The materials combine the strength and conductivity of carbon nanotubes with the flexibility of traditional polymers.

Think solar not nuclear for the energy of the future, say scientists

Researchers at Imperial College London suggest that photovoltaics could match and exceed current nuclear output by 2023, with potential to produce 12 gigawatts of electricity. The UK's decision to halt solar panel installations is attributed to a pro-nuclear bias in scientific and government establishments.

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.

Highlights from the March 2006 issue of the American Dietetic Association

Researchers found that home availability of healthy foods has a limited impact on adolescents' eating habits, especially compared to restaurants. The American Dietetic Association emphasizes the need for improved food preparation skills and awareness of accessible healthy options in various settings.

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.

Advanced aircraft to probe hazardous atmospheric whirlwinds

Researchers will use HIAPER to explore mountain waves and rotors, improving aviation safety and predicting turbulent conditions. The project aims to understand the three-dimensional nature of rotors and their impact on climate and air quality.

Experimental drug reverses key cognitive deficits, pathology in Alzheimer's

Researchers found that a new experimental drug, AF267B, reversed key cognitive deficits and reduced pathological plaques and tangles in the brain of Alzheimer's patients. The treatment improved learning and memory abilities in mice with amyloid plaques and neurofibrillary tangles, but not in other brain regions.

Technology to improve care at the bedside and beyond

A study proposes strategies to share health information across systems, eliminating duplicate tests and providing real-time information. The goal is to bridge the gap between current standards of care and optimal care through effective use of technology.

Hit-and-run injury to the brain

Researchers tracked individuals infected with EBV, RRV, or Q fever and found post-infective fatigue syndrome lasting six months or longer. The study suggests that brain damage during acute infection phase may be responsible for chronic fatigue symptoms.

Meta Quest 3 512GB

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

Georgia Tech helps implement statewide interoperable communications system

The new system enables rapid communication among law enforcement agencies and first responders, facilitating responses to crises such as manhunts and natural disasters. With the implementation of this system, authorized officers can communicate with each other across jurisdictions, enhancing public safety and response times.

Studies report findings on colorectal cancer screening methods and survival rates

Regular screening significantly reduces cancer deaths in families with hereditary Lynch syndrome, with a 70% decrease in mortality rates. Additionally, research finds that people with IBD-related CRC have similar prognoses as the general population, while a self-propelling colonoscope shows promise in efficient and safe detection.

Reactions to last DTaP vaccine not prevented

A study of 372 children found that ibuprofen and acetaminophen were ineffective in preventing local reactions to the DTaP vaccine, which can cause swelling and discomfort. The researchers suggest alternative approaches, such as using a lower antigen content vaccine, may be more effective in reducing reaction rates.

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.

Whites more likely than blacks to die soon after spouse's death

A recent study by Harvard sociologists found that whites are more likely to experience a significant increase in mortality risk following their spouse's death compared to blacks. The study, which analyzed data from over 410,000 elderly American couples, revealed a stronger widowhood effect among white couples.

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.

JCI table of contents: March 1, 2006

Researchers block C5a receptor to prevent or induce asthma-like symptoms in mice, identifying mechanism by which C5aR signaling prevents response. C5aR blockade also reduces severity of asthma-like symptoms after allergen exposure.

Fighting the battle against disease - Leeds researchers take on the world

The COMDIS programme aims to improve healthcare quality and coverage for the poor and vulnerable by developing practical and affordable interventions. Effective healthcare systems are crucial in preventing the spread of disease, and the project focuses on addressing bottlenecks and operational constraints to achieve this goal.

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.

Plastic surgeons countdown first full facial transplantation

Full facial tissue transplantation is a successful approach in helping patients horribly disfigured by burns, accidents and other trauma. Traditional methods for facial reconstruction are reliable but may not match skin quality, texture and color, resulting in patchy appearances.

Americans and Venezuelans lead the world in national pride

The United States and Venezuela lead the world in national pride, with Americans scoring 17.7 out of 25 and Venezuelans scoring 18.4. Both countries formed their identities through conflicts that bound their people together, creating a shared sense of patriotism.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Update on tuberculosis -- 2005

The worldwide state of tuberculosis epidemiology, diagnosis, and treatment is examined through research results published in 2005. TB remains a top cause of HIV-related mortality in sub-Saharan Africa, with high incidence rates among gold miners and those with recent M. tuberculosis infection.

Biomarkers may hone anti-aging therapies

Researchers have identified new molecular indicators of aging in the skin that could be used to evaluate anti-aging therapies. The biomarkers are changes to the DNA of cellular organelles called mitochondria and correlate with the aging process.

Stealth sharks to patrol the seas

Researchers have created a neural implant that can remotely control shark movements and decode their emotions. The technology has potential applications in understanding animal behavior, boosting research into paralysis, and even using sharks as stealth spies.

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.

National Academies news: Managing coal combustion residues in mines

The National Academies report highlights the potential benefits of using coal combustion residues in mine reclamation, including reducing landfills and neutralizing acid mine drainage. However, careful characterization and monitoring are necessary to minimize potential health and environmental risks.

Depressive symptoms in adolescents associated with parental domestic violence

A study found that adolescent girls experienced the most depressive symptoms when recalling their parent needing medical attention due to domestic violence, while boys experienced increased symptoms when witnessing mutual violence between parents. The research highlights the importance of addressing domestic violence and its impact on ...

Carnegie Mellon study identifies impact of neural connections in learning process

A recent Carnegie Mellon University study has verified synaptic plasticity in a living animal's brain for the first time, pointing to future avenues for understanding the learning process. The research reveals that experience-dependent changes occur in AMPA receptors at specific synapses, altering their properties and subunit composition.

Antibody therapy reduces asthma in mice

Researchers have found that C5aR blockade promotes Th2 sensitization upon first exposure to inhaled allergen, while during established inflammation suppresses the cardinal features of asthma. This study provides new insights into the role of the anaphylatoxin C5a receptor in type 2 immunity and asthma.

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.

Acupuncture is as effective as standard drug treatments for migraine

A clinical trial found that acupuncture reduced migraine days equally to standard therapy, with no difference between real and sham acupuncture. The study's results are surprising, as the underlying mechanisms are unknown, but suggest that efficacy is more important than understanding treatment mechanisms.