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Science News Archive 2000


Page 13 of 66

Searching for the secrets of drug-free transplants

The University of Pittsburgh is conducting a study on transplant patients who have been off immunosuppressive drugs for up to 6.6 years, aiming to identify potential tests for transplant tolerance. The study may lead to breakthroughs in understanding and managing autoimmune diseases such as multiple sclerosis.

DIRECTing the fight against blindness

The DIRECT programme aims to establish whether candesartan cilexetil can prevent and treat diabetic retinopathy. The trial will investigate the effect of RAS blockade on diabetic patients with and without retinopathy.

Metabolic downregulation doesn't explain dieters' weight regain

A study of 24 postmenopausal women found no significant differences in resting metabolic rate (RMR) between those who lost weight and a control group. Despite average weight loss of 13 kg, the subjects regained an average of 10.9 kg after energy balance was restored.

Apple iPhone 17 Pro

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

A genetic basis for attachment disorganization in infants

Research suggests a genetic link between dopamine D4 receptor gene polymorphism and attachment disorganization in infants, with extensive disorganized behavior observed in up to 80% of high-risk infants. The study's findings imply a genetic susceptibility to the collapse of organized attachment under stress.

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.

Disabled left behind by economic expansion

A Cornell University study reveals a significant decline in employment among working-age Americans with disabilities, with most experiencing a loss of economic ground despite receiving higher Social Security disability payments. The researchers argue that new national policies are needed to reintegrate young people with disabilities in...

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.

Double headed hydra

Jan Lohmann and Thomas Bosch report a discovery of the novel peptide HEADY, which acts as a potent inducer of head formation in lower metazoans. Grafting experiments show that HEADY induces a secondary head in Hydra tissue, revealing its role as a developmental switch for axis specification.

Consider typhoid vaccination for short-term travel

Short-term travelers to high-risk areas are at risk of getting typhoid fever, particularly those visiting India and Pakistan. The CDC recommends vaccination for travelers who have prolonged exposure to contaminated food and drink.

The horrible impact of war on health

War has a profound impact on the environment and human health, causing widespread destruction of infrastructures, displacement of populations, and ongoing presence of radioactivity and toxins. Medical personnel working in conflicts must recognize and document sexual violence, provide necessary care, and advocate for justice to prevent ...

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.

UMR research could pave way for discovery of life on Mars

Researchers like Dr. Melanie Mormile are exploring the possibility of finding ancient bacteria on Mars, which could provide evidence for life on the planet. By dating salt-loving bacteria on Earth, scientists aim to confirm whether similar organisms can survive for hundreds of millions of years.

Five Rutgers professors named fellows of national science association

Rutgers University has five faculty members recognized as fellows of the American Association for the Advancement of Science (AAAS) for their outstanding research and achievements in various fields. Jolie Cizewski, Joan Ehrenfeld, Doina Ganea, Paul Kantor, and Thomas Rudel were cited by AAAS for their contributions to physics, ecology,...

Refugee health compromised by stress

A recent study highlights the significant impact of stress on refugee health, revealing that psychological factors such as anxiety, depression, and financial worries contribute to physical illness and mental health issues. The study found that only 6% of refugees suffered from PTSD, suggesting that a medical diagnosis may not fully cap...

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.

Aslera™ improves bone mineral density in lupus patients

A Phase III study found that Aslera improved bone mineral density in female lupus patients by 1.8% compared to a loss of 1.8%, with greater increases observed in postmenopausal patients. This suggests that Aslera may be effective in preventing osteoporosis and fractures in women with SLE.

Aslera™ improves lupus disease activity and symptoms

A Phase III study found that Aslera significantly improved disease activity and symptoms in patients with systemic lupus erythematosus (SLE), a chronic autoimmune disease. The treatment also showed benefits for bone mineral density, particularly in women on steroids.

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.

Irradiation, refrigeration can add to beneficial effects of wine grapes

Researchers found that low-level ultraviolet irradiation and refrigeration can significantly increase the antioxidant compound resveratrol in grapes, potentially leading to reduced risk of high cholesterol, heart disease, and Alzheimer's. The treatment has no known side effects and may be beneficial for other grape varieties.

Common kidney disease has a genetic basis

Researchers have identified a genetic cause for immunoglobulin A nephropathy (IgAN), the most common form of glomerulonephritis worldwide. The gene, located on chromosome 6, is linked to the disease in about 60% of families studied.

National drug abuse treatment clinical trials network expands

The National Drug Abuse Treatment Clinical Trials Network has expanded to include 11 regional research centers and nearly 70 community-based treatment programs. The five newly funded centers will receive $11 million over five years, bringing the total funding for all 11 components to $121 million.

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.

Mammography programs show benefit

Randomized trials demonstrate the effectiveness of mammography programs in reducing breast cancer mortality. The studies showed that recall rates after first and subsequent screens were 9.5% and 4.6%, respectively. Additionally, organized breast cancer screening programs can provide more comprehensive monitoring for at-risk populations.

Low frequency EMF damages mice ovarian follicles

Researchers found that ELF-EMF significantly reduced the development of mouse pre-antral follicles, a crucial step for successful reproduction. Exposure to 33Hz or 50Hz frequencies impaired follicle development, with only around a third and half of exposed follicles developing antral cavities compared to controls.

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.

Tracking a microscopic "rocket" by its tail

Biomedical engineers at Johns Hopkins University use a laser device to view microscopic movement and detect stutter-step motions in Listeria tails. This contradicts the widely held belief that filaments grow and push in a smooth continuous motion, suggesting a new mechanism for bacterial locomotion.

Dengue fever an emerging public health problem

The American Society for Tropical Medicine and Hygiene has warned of an emerging dengue fever crisis in South Texas. The region's high population density and abundance of Aedes aegypti mosquitoes are fueling increased disease transmission, with risks including epidemic dengue hemorrhagic fever and death.

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.

Economic realities depleting arsenal of antiparasitic drugs

The US is facing a shortage of antiparasitic drugs due to low market demand, making treatment options scarce for diseases like schistosomiasis and liver fluke infections. The CDC has stepped in to distribute remaining stocks, but more support is needed to ensure availability.

Small changes may help increase identification of domestic violence

A systematic strategy to improve primary care for domestic violence victims showed promise, with clinicians reporting increased effectiveness and reduced fears. The study found a 14% increase in inquiries about domestic violence and a 30% increase in diagnoses, paving the way for cost-effective system changes.

Future cars to have more power, thanks to MIT work

Researchers at MIT have developed a new alternator design that significantly increases electrical power in future cars while also improving fuel efficiency. The technology, which uses active switches to control current flow, solves several technical problems associated with higher-voltage systems.

Scientists report advance in tackling common viral respiratory disease

Researchers have determined the structure of a key protein from paramyxoviruses, which causes respiratory diseases in children and animals. The study reveals clues for effective new drugs and highlights the benefits of structural biology in guiding drug design against communicable 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.

Surgery by most experienced surgeons not always the best

A new Cornell University study found that surgeons performing carotid endarterectomies who got their licenses 20 or more years ago had the highest mortality rate among their patients. The study also found a relation between the mortality of endarterectomy patients and the number of times surgeons performed the procedure.

Disease outbreak associated with international adventure race

A study found that at least 25% of Eco-Challenge participants developed leptospirosis after returning home. The CDC reports that swimming in the river was the only independently significant risk factor for infection. Travelers should investigate location risks to minimize infectious disease exposure.

Dating violence affects both victims and perpetrators

A large study found nearly 12% of high school students experienced severe dating violence, with female victims more likely to report poor mental health and suicide attempts. Male perpetrators also faced negative effects, including poor physical health and dissatisfaction with life.

New device gives heart failure patients more freedom

The Kantrowitz CardioVad System is a new category of cardiac assist device that boosts the patient's own heart while preserving independence. By taking over up to 50% of the heart's function, patients can release themselves for short periods without compromising their condition.

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.

Parent education program helps prevent AIDS

A Cornell University parent-education program has shown that it can triple the likelihood of parents discussing HIV risk reduction with their children. The program also significantly increases the likelihood that parents will make personal risk behavior changes and obtain HIV testing. The study, which involved 375 parents in New York C...

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.

UCSF researchers call for shift in HIV prevention priorities

Researchers argue that current HIV prevention resource allocations are not consistent with trends in the spread of HIV disease. They propose a shift in focus from AIDS case-based reporting to sentinel surveillance systems, citing data showing declining HIV prevalence and incidence among heterosexuals and stable rates among MSMs.

Sandia hoppers leapfrog conventional wisdom about robot mobility

Researchers at Sandia National Laboratories create a hopping robot that can leap up to 20 feet in the air and travel five miles on a single tank of gas. The robot's unique combustion-driven piston allows it to make corrections after each jump, making it suitable for challenging environments.

Singing silently during sleep helps birds learn songs

Researchers found that sleeping songbirds' neurons fire patterns identical to song production, rehearsing the neuronal activity patterns of song generation. This suggests that sleep helps birds learn songs by replaying and strengthening the pattern during undisturbed sleep.

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.

Wild salmon vulnerable to climate change,Sciencestudy reports

A 300-year record of oceanic nitrogen in Alaskan lake bottoms suggests a need for flexible management policies that account for climate and lake nutrient levels. The study found population swings related to known climate changes, with the biggest decline occurring in the 20th century.