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Science News Archive July 2005


Page 11 of 13

Ten million Africans treated by international disease treatment programme

The Schistosomiasis Control Initiative has treated over ten million people in sub-Saharan Africa with a single dose of praziquantel, reducing the burden of illness for millions. The programme, supported by the Bill and Melinda Gates Foundation, also aims to raise awareness about the disease through education programmes.

The rich die differently from you and me, U-M study shows

A University of Michigan study found that wealthier seniors experience fewer symptoms, including pain and shortness of breath, in their final year. This disparity persists even after controlling for factors such as age, gender, and diagnosis.

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.

UCLA scientists reveal how Nipah virus infects cells

Researchers identified a cell receptor called Ephrin-B2 as the key used by the Nipah virus to unlock cells, allowing them to develop vaccines and drugs to block viral entry. The discovery could help prevent infection and outbreaks of this deadly virus.

Report describes potential problem with new drug for seizures, pain

A new report describes a potential problem with the new drug pregabalin, which may result in neurological complications such as nausea, headache, and hallucinations. The researchers recommend that patients not stop taking the medication abruptly until further studies are conducted.

$100 million for medical research

The Australian Government has allocated $100 million for medical research, funding universities and research institutes across the country. This investment aims to enhance health and economic outcomes, with a focus on cancer, heart disease, and other key areas of research.

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.

New footwear reduces falls in the elderly population

A new type of footwear, Yaktrax Walker, has been shown to significantly reduce falls in the elderly population. The study found that participants who wore the device outdoors experienced a 76% lower rate of falls compared to those wearing normal winter footwear.

How a baby's nose knows Mom's scent

Newborn rats' brains show decreased NMDA receptor activity in olfactory-deprived side, leading to increased neuronal activation and saliency of early odors. This critical period affects olfactory development and learning.

MRI better than FDG PET at detecting liver tumors

A recent study published in the American Journal of Roentgenology found that contrast-enhanced MRI is more accurate than FDG-PET in detecting liver tumors, especially for smaller lesions. The study analyzed 79 liver tumors and showed an accuracy rate of 75.5% for MRI versus 64.1% for PET.

Carnegie Mellon psychologist receives NIH grant

A Carnegie Mellon psychologist will investigate how a person's social environment influences their health and well-being. The study aims to determine which biological factors are impacted by social well-being to affect health.

Apple iPhone 17 Pro

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

Obese older women may be more prone to frailty

A recent study by the Women's Health and Aging Studies group found that obese older women are more likely to experience pre-frailty and frailty. The research also showed a strong association between frailty and conditions such as diabetes, congestive heart failure, and osteoarthritis.

Cut global warming by becoming vegetarian

A study suggests that abandoning livestock can significantly reduce global warming, with animal agriculture emitting 21% of all human-caused carbon dioxide. This shift in diet would have no adverse effects on health and could potentially meet Kyoto treaty targets for reducing emissions.

Molecular trigger for Huntington's disease found

A study published in Neuron found that the abnormal HD protein selectively binds to and increases the level of p53 in cells, leading to increased cell death and mitochondrial dysfunction. This overactivation also causes behavioral abnormalities in mice engineered to have HD.

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.

Scientists discover how Nipah virus enters cells

Researchers at UCLA and USUHS discovered the Ephrin-B2 receptor as the doorway for Nipah and Hendra viruses to enter cells. This finding promises to lead to better understanding of how these viruses cause disease in humans and animals, ultimately aiding in vaccine and treatment development.

Aquatic plants may hold key to advancing plant disease management

Research on aquatic plant diseases has created environmentally sound methods of control, including using plant pathogens to manage invasive species. The symposium will address the biology, ecology, and control of aquatic plant diseases in freshwater and marine environments.

Benefits of nitric oxide vary in preemies, Stanford/Packard researchers say

A new study by Stanford/Packard researchers found that nitric oxide has varying effects on premature infants. Infants weighing over 1,000 grams benefited from the treatment, with a decreased likelihood of death or long-term lung damage. In contrast, those under 2 pounds experienced higher brain hemorrhage and mortality rates.

Nerve protector could make for new stroke treatments

Researchers have developed a novel inhibitor, SB-3CT, that protects against brain damage in mice undergoing a stroke. The treatment reduces brain damage to 30% and preserves neurological function, offering potential for new stroke treatments.

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.

The myth of the medical malpractice claims crisis

Researchers analyzed a comprehensive database of insured closed claims, revealing moderate changes and weak connections between claims-related costs and premium fluctuations. The study aims to inform reforms addressing real shortcomings in the malpractice litigation and claims payment systems.

Forsyth scientists find three bacteria associated with oral cancer

Researchers at Forsyth Institute have identified three bacteria associated with oral squamous cell carcinoma (OSCC), a deadly form of cancer. The study found that elevated levels of these bacteria in saliva can indicate the presence of OSCC, raising hopes for an early diagnostic marker and potentially saving lives.

Inhaled nitric oxide protects premature infants' brains

A new study found that inhaled nitric oxide significantly improved brain development in premature infants, with only 24% experiencing delayed mental development or disabilities compared to 46% of those who received standard treatment. The therapy has the potential to become standard for about 30,000 children a year.

Salivary bacteria as indicators of oral cancer?

A study found six common bacteria in OSCC patients at significantly higher levels than controls. Three species were found to correctly predict over 80% of oral cancer cases, offering a potential non-invasive diagnostic test.

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.

Using chemistry for electronics and vice versa

Researchers at Northwestern University have developed a custom-built scanning tunneling microscope to image individual organic molecules on silicon, refining design constraints for molecular electronic devices. The study has also provided insight into surface chemistry, with potential applications in sensing, catalysis, and lubrication.

Space shuttle Columbia's last flight formed clouds over Antarctica

The space shuttle Columbia's exhaust plume caused a significant increase in polar mesospheric cloud activity over Antarctica, forcing scientists to rethink their role in monitoring global climate change. The clouds formed at an altitude of about 52 miles due to the high concentrations of water vapor released into the atmosphere.

Technique provides new look on response of diseased canine heart

Researchers used a new microarray technology to analyze the genes of healthy and diseased dogs, identifying 167 genes that may play a role in canine dilated cardiomyopathy. The study sheds light on the heart's response to disease and offers hope for future treatments.

MIT develops 'Anklebot' for stroke patients

Researchers at MIT have created an Anklebot to aid stroke patients in regaining ankle movement. The device is one part of a larger robotic gym targeting different limbs, building on previous success with arm rehabilitation.

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.

Urine test may help monitor disfiguring birthmarks

Researchers discovered elevated levels of matrix metalloproteinases (MMPs) and basic fibroblast growth factor (bFGF) in patients with vascular anomalies, correlating with disease progression. Urine testing may help predict aggressive lesions and inform treatment decisions.

Largest study to date reveals baseline findings for flexible sigmoidoscopy

The largest study to date provides valuable insights into flexible sigmoidoscopy screening among 154,942 participants aged 55-74. Findings show that women are more likely to decline FSG than men, while non-acceptance increases with age in women. The rate of cancer detected was 2.9 per 1,000 individuals screened.

Children's Hospital Oakland new sickle cell research

A four-year study published in JAMA found that patients with sickle cell disease who had low arginine levels were at a higher risk of death from pulmonary hypertension. The researchers hope to develop new treatments using nutritional supplements or drug therapies to increase arginine availability.

New pediatrician workforce policy addresses growing challenges in health care

The report highlights the growth of female pediatricians and positive trends in medical student recruitment, but notes a lack of ethnic and racial diversity among pediatricians. The new policy aims to address geographic disparities and recruit more diverse pediatricians to serve the increasing population of minority children.

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.

UK science helps farmers in Africa and India

Scientists at IGER have created a genetic map of pearl millet DNA, enabling the rapid development of downy mildew-resistant plants. This approach allows for faster breeding techniques than traditional methods, benefiting farmers in Africa and India.

Dieting linked to increased wealth, study finds

A new study by Ohio State University found that dieting is linked to increased wealth, particularly among white women, but not as strongly among black men or white men. The study analyzed data from over 7,300 people and found that those who lost large amounts of weight experienced more dramatic changes in wealth.

Ethanol and biodiesel from crops not worth the energy

A study by Cornell University researchers found that producing ethanol and biodiesel from plant biomass requires more energy than the fuel produced, leading to significant fossil energy input. The use of these fuels contributes to air, water, and soil pollution, as well as global warming.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Treatments for prostate cancer may affect employment

Men with prostate cancer are 10% less likely to be working six months after diagnosis compared to those without the disease. However, approximately two-thirds of patients continue to work due to fear of losing health insurance coverage, often at reduced hours and with decreased productivity.

Genetics center to launch new genetic-testing initiative

The Genetics and Public Policy Center at Johns Hopkins University will launch a new genetic-testing initiative to build consensus on the safe and accurate use of genetic testing. The two-year $3 million grant aims to improve our understanding of genetic tests and their impact on public health.

Turn up da noise

Researchers found that adding noise to weak vibrations increased the ability of participants to detect the frequency of the original signal. This effect could be useful in designing prosthetics for the elderly to prevent painful falls and improve balance control.

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.

Rutgers to lead $52.7 million protein research program

The Protein Structure Initiative will accelerate structure determination of thousands of proteins, enabling predictions of protein functions and discovery of new drug targets. Rutgers' NESG is a key member of the PSI network, leveraging its expertise in structural biology to advance biomedical research.

Other highlights in the July 6 JNCI

A new study found long-duration regular use of aspirin or NSAIDs may lower prostate cancer risk by 18%. Gene variants associated with melanoma risk were also identified in a Mediterranean population study, while another study found no link between gene mutations and response to bevacizumab

Researchers devise improved controls for advanced tokamak fusion reactor

Scientists have devised a method to more effectively dampen vertical instabilities in tokamak fusion reactors, allowing for improved control of electrical currents and magnetic fields. This development aims to increase the efficiency of fusion reactions and is an important step towards building the next-generation fusion reactor by 2015.

University of Oregon chemists discover new way to fix nitrogen

Researchers have successfully synthesized ammonia from nitrogen using a simple compound of iron and hydrogen in solution, marking a significant step toward achieving one of chemistry's coveted goals. This breakthrough could lead to more efficient and sustainable production of ammonia, a vital fertilizer for global food supply.

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.

Study examines accuracy of PSA values for detecting prostate cancer

The study analyzed data from a randomized, prospective trial to determine the effectiveness of PSA testing. Researchers found that no single cutoff value would simultaneously yield high sensitivity and specificity, highlighting the need for re-education on the concept of 'normal' PSA levels.

New partnership to clear landmines for African elephants

A new partnership between Roots of Peace and Conservation International aims to remove landmines from critical access corridors used by elephants in Angola, Zambia, Botswana, and Namibia. The project will create a conservation and development area, promoting sustainable reserve and ecotourism programs.

Adult lifestyle biggest risk factor for diabetes, study finds

A new study found that adult lifestyle, particularly body fat and waist-hip ratio, is a significant risk factor for insulin resistance and Type 2 diabetes. Childhood factors such as birth weight and nutrition have limited impact on the development of insulin resistance in adulthood.

Celestron NexStar 8SE Computerized Telescope

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

Who do you trust? Men and women answer that differently

A study by Ohio State University found that men tend to trust people in their group, while women trust strangers with personal connections. Women's in-groups are based on interpersonal relationships, whereas men's are based on symbolic groups.

Canadian researchers call for more angiograms

A study led by Dr. Michelle Graham highlights the need for higher rates of cardiac catheterization testing in Alberta and Canada. The research shows that many patients with high-risk blockages remain undetected, emphasizing the importance of increasing angiogram prescriptions to save lives.

Quantum cryptography

Researchers at Perimeter Institute outline a new aspect of Quantum Cryptography, improving the security of data transmission. The study demonstrates enhanced capabilities in quantum key distribution, paving the way for widespread adoption in secure communication networks.

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.

Nutritional info helps teens make better choices

Researchers found that providing nutrition information at point-of-selection increased sales of lower-fat and calorie foods. Students opted for healthier options, such as plain cheese pizza instead of pepperoni, and chose dishes with fewer calories but similar fat content.