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Science News Archive September 2007


Page 11 of 18

Good fences make good neighbors

Researchers develop mathematical model to predict ethnic conflict based on global pattern formation, finding poorly defined boundaries and heterogeneous areas prone to violence. The study suggests that clear borders can prevent ethnic tension, echoing Robert Frost's poem 'good fences make good neighbors',

The dating game

The discovery of geologic time revolutionized our understanding of the world, allowing scientists to date rocks and calculate the age of the Earth. This breakthrough, achieved by Arthur Holmes in the early 20th century, had a profound impact on fields like plate tectonics and evolution.

NASA keeps eye on ozone layer amid Montreal Protocol's success

The Montreal Protocol has been a resounding success, with chlorine compound levels leveling off and beginning to decline. Researchers study climate change and the timing of ozone recovery through space-based instruments and computer models, aiming to ensure CFC emissions fall below levels that produce an ozone hole.

Apple iPhone 17 Pro

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

How dirty is your money?

Researchers from the University of Bristol and Mass Spec Analytical Ltd found that geographical location has no influence on the distribution of drug contamination on bank notes. The study analyzed £10 and £20 notes from areas across the UK, including urban and rural regions, and found that contamination levels were unrelated to location.

Climate -- no smoking gun for Neanderthals

A new study by an international team of researchers provides a breakthrough approach to understanding the role of climate in the Neanderthal extinction. The findings suggest that there was no single climatic event that caused the extinction, but rather indirect effects on competition with other human groups.

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.

Fat mum hastens path to childhood obesity

Children who had acquired high percentage body fat by age 3–1/2 were more likely to be obese at age 7. Rapid growth spurts, TV viewing time, and physical inactivity also contributed to obesity risk.

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.

Salmon garnish points the way to green electronics

Professor Andrew Steckl's innovative approach incorporates DNA from salmon sperm into light-emitting diodes, enhancing performance while reducing environmental impact. The technique involves trapping electrons longer, resulting in brighter colors and improved light efficiency.

Mother's milk a gift that keeps on giving

A new review of medical literature reveals that breastfeeding provides numerous benefits, including lower risk of diabetes, lymphoma, and leukemia. However, the authors note that risks associated with formula feeding include growth failure and vitamin deficiencies, but these can be prevented or minimized with preventive measures.

UK's future in space -- a new beginning?

The UK Space Exploration Working Group recommends involvement in both human and robotic elements of space exploration to play a full role in the century's unique opportunities. The report stresses the need for a new vision, suggesting preparatory human space flight activities and maintaining UK's significant role in planetary science.

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.

Progress in understanding the malarial parasite

Researchers constructed a chaperone interaction network for the malarial parasite, highlighting new proteins that can potentially be used in the fight against malaria. The study provides insights into the functions of molecular chaperones and their role in chromatin remodeling, protein trafficking, and cytoadherence.

U. Iowa team identifies genes that improve survival in mice with ALS

A U. Iowa team discovered two cell-signaling proteins, Nox1 and Nox2, play a significant role in disease progression of inherited ALS, significantly increasing lifespan when deleted from mice. Nox2 deletion nearly doubles lifespan and survival index, suggesting potential therapeutic targets for ALS treatment.

Study suggests brain tumors need treatment with multiple 'targeted' drugs

Researchers at Dana-Farber Cancer Institute have found that many brain tumors and solid tumors require simultaneous inhibition of multiple cell-growth switches to be effective. Combining three or more targeted drugs may provide a cure for these cancers, as individual drugs often yield disappointing results.

American Society for Microbiology honors Hung Ton-That

Dr. Hung Ton-That has been recognized for his research excellence in microbiology and infectious disease, with a focus on cell wall sorting structure and gram-positive bacteria surface structures. He is being honored for his contributions to the study of bacterial pathogenesis.

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.

Nonstick chewing gum to become a reality

Revolymer's Clean Gum boasts great taste, easy removal, and potential for environmental degradation. The technology uses an amphiphilic polymer to alter interfacial properties, making it less adhesive to common surfaces.

Less than 3 percent of UK 11-year-olds take enough exercise

Research reveals that UK 11-year-olds are not physically active enough, with less than 3% meeting recommended daily exercise levels. The study, which monitored over 5,500 children in the South West of England, found that boys were more active than girls and that sustained activity was crucial for promoting cardiorespiratory fitness.

Nuclear physicists examine oxygen's limits

Researchers at Michigan State University have made a unique measurement of an exotic oxygen nucleus, confirming a theoretical model predicting dramatic changes in structure as oxygen nuclei approach their limits. The experiment used new detection tools, making it possible to explore isotopes near the extreme edges of existence.

Advanced technologies aim to transform the coaching of top athletes

The SESAME project is developing a unique, integrated computer system that substantially increases data available to coaches during training sessions. This will enable coaches to provide near-instantaneous feedback on athlete technique, improving performance and reducing injury risk.

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.

Scientists eye secrets of retinal regeneration

Researchers at Weill Cornell Medical College have discovered a crucial mechanism driving the growth of light-sensing discs in rod cells, shedding new light on retinal health and disease. The study's findings could lead to significant advances in understanding and treating eye diseases such as retinitis pigmentosa.

New study: Pine bark extract reduces ADHD symptoms in children

A new study reveals that Pycnogenol, an antioxidant plant extract, lowers ADHD symptoms in children by reducing stress hormones. The findings suggest a significant stress hormone-lowering effect for a nutritional supplement, providing hope for parents seeking alternative treatments.

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.

Disease activity increases after MS patients stop drug

A study published in Neurology found that people with multiple sclerosis who stop taking natalizumab may develop more brain lesions, indicating increased disease activity. The results suggest that discontinuing the drug can lead to a rebound increase in disease activity, particularly for those who take it for a short time.

Genes and drugs team up to lower blood pressure

Researchers identified single nucleotide polymorphisms (SNPs) in the adducin 2 gene that influence blood pressure regulation among people with hypertension. The study found associations between SNPs and differential responses to different antihypertensive drugs, highlighting potential for tailored treatment regimens.

Mathematics might save you a trip to the ER

Researchers at Tufts University developed mathematical models to accurately assess seasonality in six diseases, enabling more precise forecasting of outbreaks. The study found that certain diseases peak one month after the temperature peak, likely due to close person-to-person contact and different routes of transmission.

Improving health through energy efficiency and technology in urban areas

The Lancet study highlights the potential of energy efficiency and technology to reduce temperature-related death and illness, as well as alleviate fuel poverty. Implementing renewable energy production and restructuring plans for built environments could lead to significant benefits for urban air quality and health.

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.

UCI receives $5M from Edwards Lifesciences

The University of California, Irvine, has received a $5 million gift from Edwards Lifesciences to establish a center focused on researching and developing the next generation of cardiovascular devices. The center will promote collaboration among students, faculty members, and experts in various disciplines.

New technique can be breakthrough for early cancer diagnosis

Researchers at Uppsala University have developed a new technique to detect protein communication in cells, which has the potential to revolutionize cancer diagnostics. The refined method is more sensitive and reliable than existing techniques, making it a breakthrough for early cancer detection.

Loneliness is a molecule

Researchers at UCLA identified a distinct pattern of gene expression in immune cells from chronically lonely individuals. This finding suggests that social isolation affects the activity of genes driving inflammation and may provide a molecular framework for understanding its link to heart disease, viral infections, and cancer.

DNA analysis shows true dispersal of protozoa

A study published in BMC Evolutionary Biology found that some protozoa are globally dispersed, while others are geographically restricted, suggesting a moderate degree of endemicity. The analysis used a new fast-evolving DNA marker to reveal higher biodiversity than previously thought.

Fluke 87V Industrial Digital Multimeter

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

Righting the balance: energy for health

The Lancet Series on Energy and Health highlights the critical link between energy and health, calling for global control of greenhouse gases and affordable technologies to reduce indoor air pollution. The series advocates for a low-carbon, low-energy transportation system and economic policies that mitigate harmful energy practices.

Cancer stem cell subpopulation drives metastasis of human pancreatic cancer

Researchers identified a distinct subpopulation of cancer stem cells responsible for metastasis in human pancreatic cancer. The study found that CSCs expressing CD133 and CXCR4 play a critical role in tumor metastasis, and inhibiting these cells or transplanting non-metastatic cells can abolish metastatic tumor development.

Taxol bristle ball: a wrench in the works for cancer

Researchers at Rice University have discovered a way to load dozens of molecules of the anti-cancer drug paclitaxel onto tiny gold spheres, creating a uniform delivery system that targets cancer cells more effectively. The new approach aims to reduce side effects and improve the effectiveness of chemotherapy.

Lighter gas reduces damage to optics in extreme ultraviolet lithography

Scientists have developed a technique to generate light and reduce damage in extreme ultraviolet lithography by adding a lighter gas to the plasma. This reduces the number and energy of xenon ions reaching the collector surface, extending its lifetime while maintaining minimal impact on light production.

Celestron NexStar 8SE Computerized Telescope

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

Physicists pin down spin of surface atoms

UC Berkeley physicists have successfully measured the spin of an individual atom on a surface, a key achievement for both quantum computing and spintronics. By employing low-temperature spin-polarized scanning tunneling spectroscopy, researchers were able to determine the spin of isolated adatoms atop cobalt nanoislands.

Training grant in putting plants to work

The CREATE program aims to build a group of leaders with expertise in plant sciences, biotechnology and engineering, focusing on biofuels, pharmaceuticals and industrial products. Graduate students will receive cross-disciplinary training through internships and a Master's to Ph.D. bridge.

Story ideas from Molecular & Cellular Proteomics

Researchers in Molecular & Cellular Proteomics have identified key proteins involved in schistosomiasis, a tropical disease affecting up to 200 million people. The study also reveals the structural proteome of a lethal shrimp viral disease and unique proteins allowing algae to thrive in salty environments.

Meta Quest 3 512GB

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

New evidence on the role of climate in Neanderthal extinction

A new study led by the University of Leeds suggests that extreme climate events did not coincide with Neanderthal extinction, contrary to previous theories. The research provides a more detailed picture of the climate at the time of the Neanderthals' disappearance, suggesting indirect competition with other human groups.

UVA researchers find important clue to immune infertility

Researchers have identified radial spoke protein 44 (RSP44) as a key molecule in immune infertility, a condition causing the immune system to attack sperm. The discovery may lead to new diagnostic tools and treatments for this condition, which affects up to 12% of unexplained infertility cases in women.

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.

The molecular signature of loneliness

A new study found that chronically lonely individuals have altered gene-expression patterns, including increased inflammatory signalling. This molecular signature may provide a framework for understanding the link between social isolation and diseases like heart disease, infection, and cancer.

Diesel exhaust may increase risk in patients with heart disease

A study found that inhaling diesel exhaust causes changes in the heart's electrical activity, reducing oxygen availability during exercise. Exposure to diesel exhaust also reduced the body's ability to release a 'guardian' protein, increasing the risk of blood clots.

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.

Global Health Project targets reducing AIDS among India's adolescents

The University of South Florida's global health initiative will expand its research training partnerships in India to fight AIDS among adolescents. The program, valued at $1.36 million, will partner with Vadodara Medical College to train Indian physicians and healthcare professionals.

Rutgers' high school outreach gets $3 million boost from NSF

The National Science Foundation has awarded Rutgers University $3 million to support bioinformatics and genome sequencing programs for regional high schools. The programs will develop online tools and resources for students to conduct genuine bioinformatics research, bridging the gap between academia and industry.

Generating clean electricity will improve world population's health

The study concludes that improved access to electricity and a shift towards renewable energy will substantially benefit population health. Renewable sources like solar, wind, and wave power appear to create the smallest health burden, while nuclear power remains controversial due to waste storage concerns.

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.