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Science News Archive 2002


Page 60 of 93

Chicago researchers testing HIV vaccine for healthy people

Researchers at Rush University Medical Center are conducting a Phase I clinical trial to test the safety and efficacy of an HIV vaccine in healthy individuals. The vaccine has shown promise in eliciting specific antiviral cellular immune responses and is generally well-tolerated.

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.

Cost-effectiveness assessments important for HIV response in Africa

A study assessing existing data on HIV/AIDS interventions found that cost-effectiveness varies greatly between interventions. Some interventions, such as selective blood safety measures and targeted condom distribution, can prevent a case of HIV/AIDS for under $11 and gain over $1 in disability-adjusted life-years (DALYs) per dollar spent

Cardiovascular disease leads to higher risk of dementia

A study by Dr. Anne B. Newman found that people with cardiovascular disease have a 30% increased risk of dementia, primarily due to vascular dementia caused by insufficient blood flow to the brain. Preventing cardiovascular disease may be an effective measure for preventing dementia in older adults.

Stanford researchers create diabetic fruit flies in lab

Researchers at Stanford University have created diabetic fruit flies by destroying insulin-producing cells, allowing them to study the development of pancreatic cells. The fly model could help understand the origin of insulin-producing cells in people with Type I diabetes.

A caring mother is a child’s best defence against drug culture

A recent international study revealed that teenage drug abuse is significantly lower for those living with both parents and enjoying high-quality family relationships. The study found that having a strong attachment to the mother was particularly effective in preventing drug use, even in areas of high peer pressure.

Apple iPhone 17 Pro

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

Scientists recover North Pole mooring from 2½ miles deep in ocean

Researchers successfully recovered a mooring from the seafloor near the North Pole, retrieving 3,500 pounds of instruments and equipment. The mooring was in place for a full year, eight times longer than the previous record, providing valuable data on the Arctic Ocean's climate and water conditions.

Scientists debate wisdom of plan to save Venice from flooding

A proposed flood protection system for Venice, known as MOSE, is facing criticism over its potential to prevent flooding and harm the lagoon's ecosystem. Environmentalists warn that keeping the gates closed could disrupt the natural water flow, leading to toxic substance buildup and damaging the delicate ecosystem.

Brain-imaging cap under study for space and Earth use

A lightweight imaging cap is being developed to assess brain function in space and on Earth. The device utilizes diffuse optical tomography (DOT) to record brain activity through near-infrared light, with potential applications for diagnosing brain disorders such as strokes and seizures.

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.

Rutgers psychologist achieves national scientific honor

Rutgers psychologist Gallistel has been elected to the National Academy of Sciences, recognizing his research excellence and contributions to cognitive science. He is credited with introducing the idea that animals can think computationally, enabling them to navigate their world and anticipate events.

Genetic mutation plays major role in adrenal cancers

A study of 271 patients with pheochromocytomas found that 24% carried one or more genetic mutations, including those in the VHL and RET genes. These mutations were associated with earlier symptom onset, multiple tumors, and specific tumor profiles.

New treatment for common wart

Researchers at the University of Arkansas for Medical Sciences have developed a new treatment for common warts, which was successful in 74 percent of patients in a pilot study. The treatment involves injecting approved skin test antigens into a wart to stimulate the body's immune response and destroy the virus.

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.

Smaller aneurysms best left alone

A new study suggests that smaller aneurysms are often safer left untreated, with potential benefits including reduced risk of complications and cost savings. The research found nearly 98% survival rate among patients undergoing AAA surgery at participating VA hospitals.

Hemorrhagic fever viruses examined as potential bioweapons

Hemorrhagic fever viruses, such as Ebola and Marburg, pose significant threats due to their high mortality rates and lack of effective treatments. The report recommends improving diagnostic capacity, developing rapid tests, and researching new antiviral medications to counter these threats.

Horseshoe crabs survival rate after biomedical bleeding is high

A recent review article reveals that horseshoe crabs have an impressive survival rate of 7.5% after undergoing biomedical bleeding, suggesting their 350 million-year-long survival is remarkable. The research also provides new information on the habitat, migration patterns, and nursery grounds of horseshoe crabs.

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.

Recent dinosaur discoveries in Utah and Wyoming

Geologists have made several significant discoveries in Utah and Wyoming, including a one-ton plant-eating carnivore with bizarre claws and skin impressions of a duck-billed dinosaur. The finds include new species of dinosaurs, such as horned ceratopsians and giant crocodiles, which provide valuable insights into the paleoecological st...

Surprising findings on Medicaid kids and the ER

Researchers found that while Medicaid kids use the ER for non-urgent care more frequently than expected, a shift to managed care has actually reduced these instances. The studies also revealed that nearly half of parents' decisions to visit the ER were logical, based on their child's condition and available resources.

Study examines the potential risks of smallpox vaccination

Historical evidence suggests that smallpox vaccination poses significant risks to certain populations, including children under one year old and those with compromised immune systems. Researchers estimate that 25% of the US population would need to be excluded from a vaccination campaign due to high-risk factors.

Lasers light way to 3-D imaging in Purdue lab

The technique uses optical coherence imaging to take real-time video of the insides of tumors, revealing their internal structure. This allows for interactive viewing of living tissues, such as tumors, and enables scientists to study how they behave in real time.

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.

Time to vaccinate everyone under 30 against smallpox?

Researchers found that immunizing 50-75% of Americans aged 1-30 could save hundreds of lives compared to ring vaccination alone. The study suggests mass vaccination campaigns targeting young people may be cost-effective in preventing deaths from a potential smallpox attack.

Human papilloma virus test increases cancer detection rate, study finds

A new study found that combining HPV and Pap tests for cervical cancer screening can detect an additional 225 cancers per 100,000 women, leading to a 59% decrease in mortality. The test is cost-effective and potentially life-saving, especially for women whose Pap test results are abnormal but inconclusive.

Mayo Clinic researchers develop 'cancer snitch'

Researchers at Mayo Clinic have developed a 'cancer snitch' - a genetically engineered virus that can track the progress of a viral treatment within a tumor. This non-invasive approach provides valuable feedback from within the body, allowing scientists to monitor biological activity and evaluate therapeutic effectiveness.

Episiotomy rates decreasing, but procedure still overused

Research reveals a significant drop in episiotomy rates from 56% to 31% between 1979 and 1997. However, the procedure remains overused, particularly among private practitioners, increasing the risk of rectal dysfunction and fecal incontinence for young mothers.

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.

Dog 'model' for studying inherited human blindness

Researchers have discovered genetic mutations in dogs that mirror the genetic mutations of humans with inherited blindness, providing new insights into photoreceptor cell degeneration. The study has potential implications for treating both canine and human retinal diseases, including progressive retinitis pigmentosa.

New process makes genome sequencing more efficient

Researchers at University of Georgia have developed a new method to sequence genomes, called Cot-based Cloning and Sequencing (CBCS), which reduces the number of clones required from 119 million to 15 million, saving $354 million in funding.

Insulin pump effective for infants, children

A recent study by Duke University Medical Center researchers found that toddlers and preschool children with Type I diabetes can successfully use insulin pumps with proper supervision. The study involved nine children who were treated with insulin pumps for seven to 19 months, resulting in improved blood glucose control and a significa...

Black, Latino children with asthma get lesser care

Research reveals racial disparities in asthma treatment, with black children experiencing worse symptoms and fewer medication use compared to white and Latino children. Lower income, family size, and single-parent households also contribute to poorer asthma outcomes.

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.

New research could spearhead permanent nuclear waste storage

Scientists at Purdue University have made breakthroughs in understanding the chemistry of aluminum and sodium compounds in high-level radioactive waste. Their study documents the transformation of liquid to solid waste, shedding light on how to minimize nuclear waste volume and predict leakage.

Annals of Internal Medicine, tip sheet

Only 60.5% of US adults are fully protected against diphtheria and 72.3% against tetanus, with disparities among age groups and ethnicities. Reorganizing physician practices to prioritize preventive services can increase immunization rates.

Rutgers biomedical engineering professor solves golf grip mysteries

A Rutgers biomedical engineering professor has discovered that cross-hand and one-hand grips can reduce eye movement during longer putts and head movement during shorter putts. The findings are part of a book exploring the physics, biomechanics, and physiology of various sports, including golf.

UCLA study shows many parents not getting antibiotic message

A UCLA study found that despite efforts to educate parents, 55% of antibiotic prescriptions for respiratory illnesses are unnecessary. The research also showed that doctors are more likely to prescribe antibiotics if they sense parent expectation, highlighting the need for better communication and culturally appropriate education.

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.

Networking slows down protein evolution, study reveals

Researchers from Stanford University analyzed thousands of proteins shared by yeast and roundworms, finding that those with more interactions evolve slower. The study confirms a prediction made over 20 years ago, suggesting protein networks play a crucial role in shaping evolutionary rates.

Heartburn surgery helps lung transplant patients

Researchers found that fundoplication surgery, used to treat chronic heartburn, improves lung function and has a positive effect on bronchiolitis obliterans syndrome (BOS) in lung transplant patients. The procedure prevents gastric acids from splashing up the esophagus and into the lungs.

Faster detection of bacteria in water, food

A new DNA-based technology detects bacteria in water and food in just one to three hours, outperforming current methods. The system uses unique 'fingerprints' from bacterial DNA sequences to identify strains, enabling accurate comparison and protection against terrorist contamination.

Celestron NexStar 8SE Computerized Telescope

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

Preventive medicine residency

The University of Michigan's new two-year Preventive Medicine Residency aims to address a critical shortage of medical epidemiologists. Residents will gain expertise in disease surveillance, outbreak investigation, and immunization plans, with initial participants already securing jobs in the field.

Heart attack patients may benefit from drinking tea

A study found that heavy tea drinkers had a 44% lower death rate than non-tea drinkers after a heart attack, while moderate tea drinkers had a 28% lower risk. Flavonoids in tea may help prevent LDL cholesterol from becoming oxidized and improve endothelial function.

CF Foundation seizes proteomics for drug discovery

The CF Foundation is leveraging proteomics research to accelerate the discovery of new therapies for cystic fibrosis. By analyzing protein interactions and identifying novel targets, scientists aim to develop effective treatments that can correct faulty cells and prevent disease progression.

Fluke 87V Industrial Digital Multimeter

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

Low referral rates, low income keep women out of cardiac rehab programs

A new study found that women hospitalized for a heart attack or unstable angina are less likely to be referred to cardiac rehabilitation programs despite being good candidates. Women with lower family income and less confidence in their ability to improve their heart health face significant barriers to participation.

Next-generation training of peacekeepers is part technology, part psychology

Researchers are developing more realistic training simulations that take into account fatigue, stress, personal values, emotion, and cultural influences to improve skill attainment. The goal is to steer trainees away from behaviors contributing to crowd aggression, such as flaunting weapons or authoritarian governance.

New methods for detecting brown recluse spider venom

Two new studies introduce a reliable assay to detect brown recluse spider venom in patients, reducing the need for invasive biopsies. The assay detects venom in hair, fluid from wounds, and skin biopsies, improving diagnosis accuracy and avoiding misidentifications.

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.

Study: Katie Couric wakes up America on colonoscopy screening

A study by Michigan Medicine researchers found that Katie Couric's 2000 colonoscopy on-air campaign significantly increased colon cancer screenings, with a 19% rise and sustained increases for 40 weeks. The 'Couric Effect' suggests celebrity influence can drive public behavior change.

Human rabies often caused by undetected, tiny bat bites

Bats are the leading cause of human rabies in the US, with tiny bites going unnoticed. The study found it unlikely for bat rabies to be transmitted through the air or from an infected animal like a cat or dog. Dr. Gibbons advises seeking emergency care if direct contact occurs.

Astrocytes play starring role in neural stem cell development

Recent research reveals that astrocytes instruct neural stem cells on which developmental pathway to select, promoting neuronal maturation. The study also found that astrocytes trigger stem cell proliferation and differentiation into neurons, suggesting a new mechanism for regulating neural growth.

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.