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Science News Archive 2004


Page 89 of 135

E-Health is no threat to GP's

Research finds that people trust health professionals and are cautious about online health information, yet appreciate recommendations from healthcare providers. E-health resources enhance control and reassurance for parents and children managing chronic diseases.

Prevalence of chlamydia high among young adults in U.S.

A study found that the overall prevalence of chlamydial infection was 4.19% among young adults aged 18-26, with higher rates among women, black Americans, and those in the south. Gonorrhea prevalence was also significant, with co-infection rates being low.

Domesticated tree crops may be the 'future of forestry'

Researchers at Purdue University have developed a method to identify genes in tree species, paving the way for domesticated trees. This breakthrough aims to reduce the need for logging wilderness areas by producing ideal characteristics such as insect resistance or improved wood properties.

Apple iPhone 17 Pro

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

Nominations sought for AGU Journalism Awards

The American Geophysical Union (AGU) is now accepting nominations for the 2005 Journalism Awards. The awards recognize work that enhances public understanding of the sciences, including the study of the Earth and its environments. Nominations are due by November 15, 2004, and winners will be announced on May 19, 2005.

Chemist's technique enables creation of novel carbon nanoparticles

Researchers have developed a novel method to create well-defined nanostructured carbons using polyacrylonitrile (PAN) as a precursor. The technique provides significant advantages over existing methods and has potential applications in energy storage/conversion devices and display technologies.

Meta Quest 3 512GB

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

Studies show success of Mectizan® partnerships

The Mectizan Donation Program has demonstrated significant success in combating river blindness through a public-private partnership between Merck and the World Health Organization. The program has resulted in nearly 50 million treatments approved since its inception, with minimal costs to participating organizations.

Crop rotation may help wait out soil pathogen deadly to pumpkins

A recent study has identified 14 resistant vegetable varieties that can help pumpkin growers wait out the deadly P. capsici pathogen. Rotating these crops may provide a temporary solution until the pathogen is safe to plant pumpkins again, which could mitigate yield losses of up to 100 percent.

Celestron NexStar 8SE Computerized Telescope

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

Once a renin cell, always a renin cell

Researchers found that adult cells descended from renin-producing cells can re-express the renin gene in response to stress, revealing a 'memory' of their original lineage. This ability allows these cells to rapidly respond to changes in blood pressure and sodium levels.

Risk factors identified for persistent post-shingles pain

The study identified older age, female sex, presence of symptoms before the rash appeared, severe acute pain, and extent of rash as significant risk factors for PHN. These risk factors reflect different mechanisms contributing to the development of PHN.

Lewis and Clark data show a different Missouri River

The oldest available data on the Missouri River shows that water flow has become more variable over time due to extensive damming. The river is also narrower at St. Charles, Missouri, with a reduced width of 500 yards compared to its original 720 yards in 1804.

Guideline evaluates use of transcranial doppler ultrasound

The American Academy of Neurology has developed a guideline evaluating the use of transcranial doppler ultrasound (TCD) in patients with known or suspected cerebral vascular disease. TCD provides valuable information in screening children with sickle cell disease for stroke risk and detecting vasospasms after subarachnoid hemorrhage.

Food displays, food colors affect how much people eat

A study by Brian Wansink found that adults offered six colored flavors of jellybeans ate 69% more than when the colors were each placed in separate bowls. The perception of variety stimulates how much people consume. Consumers can curb overeating by avoiding multiple bowls of the same food and arranging foods into organized patterns.

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.

Busy sequencing technique saves money and time

A computer scientist at Washington University in St. Louis has developed a novel technique to extract more DNA from a single sequence reaction, reducing both cost and time of the sequencing process. The approach uses software that sorts through genetic information and finds predicted sequences, with 59% of predicted genes verified as e...

Tests show biotech corn rules need revision

Researchers found that biotech corn carrying a gene for insect protection can pollinate non-Bt corn plants up to 100 feet away, posing a risk of contaminating refuge areas. The discovery suggests measures are needed to reduce pollen spread from Bt corn to corn fields requiring refuge zones.

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.

Novel findings about neovessel formation

Researchers uncover the stimulatory and inhibitory functions of tissue factor in blood vessel generation, shedding light on diabetic retinopathy and potential new treatments. Transgenic mice studies reveal altered structures in pathologically altered vessels, suggesting a possible target for angiogenesis inhibition.

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.

Magnetic treatment may help people with spinal cord injuries

Researchers tested rTMS on four patients with incomplete spinal cord injuries, finding a 37.5% drop in intracortical inhibition and improvements in motor and sensory function. This treatment may facilitate functional recovery and has the potential to help people with partial spinal cord injuries recover some movement and feeling.

Presence of certain eye disorders linked with poorer survival rates

Researchers from the National Eye Institute investigated the association between various types of visual impairment and eye disorders with mortality. The study found that participants with AMD had a 41% higher risk of death compared to those with little or no drusen, while advanced AMD was associated with cardiovascular deaths.

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.

Women and heart disease: The role of diabetes and hyperglycemia

A study highlights the significant risk of cardiovascular disease in women with type 2 diabetes, emphasizing the importance of controlling blood glucose levels, managing cholesterol, and preventing diabetes. The researchers outline strategies for treating diabetic women and CVD, including intensive therapy and lifestyle modifications.

Who wants to talk about premature ejaculation?

A scientific working group found that renaming premature ejaculation could lead to confusion and require re-education. Instead, they recommend using the current term to describe the condition, which is associated with stigma rather than the name itself. The group also emphasizes the importance of open dialogue about male sexual health.

Patients report high levels of trust in medical specialists

Researchers found that patients with greater trust in their specialists report higher satisfaction, adherence, and lower likelihood of changing physicians. Trust was also linked to patient involvement in decision-making and quality of communication.

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.

Calling for standards in cardiology data collection and analysis

The European Society of Cardiology is calling for consistency across Europe in terms of data collection and analysis in cardiology. The CARDS meeting aims to agree European data standards, enabling local, national and international comparisons of data using set standards.

Living wills don't work, study says

A comprehensive review of hundreds of studies on living wills finds they fail to meet five key criteria for success. The researchers argue that living wills offer a false promise of control over end-of-life treatment and recommend using durable powers of attorneys instead.

Botulinum toxin structure offers clues for vaccines/treatments

Researchers at Brookhaven National Laboratory have deciphered the structure of botulinum toxin, shedding light on its mechanism of action. By modifying a single amino acid, scientists created an inactive form of the toxin that retains structural similarity to the active form, paving the way for potential vaccine development.

UMHS study links gonorrhea, prostate cancer in men

A UMHS study found that African-American men with a history of gonorrhea are more likely to develop prostate cancer. The research suggests an inflammatory effect from the bacterial infection may trigger pre-existing cancerous cells to multiply, increasing risk.

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.

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.

Less educated people have lower stress, but more health effects

A study found that less educated individuals face higher daily stress levels, which have more significant negative impacts on their health. The researchers discovered that daily stressors vary by socio-economic status, with those in disadvantaged positions experiencing greater health downturns.

High blood testosterone levels associated with increased prostate cancer risk

Researchers found a significant association between high blood testosterone levels and an increased risk of prostate cancer in older men. The study, which followed over 3,000 men for 40 years, also showed that the protein sex hormone-binding globulin (SHBG) was associated with a slightly decreased risk for prostate cancer.

Wisconsin chemists find a new chink in TB's armor

A team of chemists from the University of Wisconsin-Madison has identified a key enzyme essential for the bacteria that cause tuberculosis. Disrupting this enzyme could lead to the development of a new family of antibiotics, providing hope for millions of people affected by multidrug-resistant TB.

Researchers open new line of attack on tuberculosis

Researchers have detailed the workings of a key enzyme in tuberculosis bacteria's cell walls, which could lead to the development of new antibiotics. By understanding how this enzyme works, scientists can design inhibitors specific to it, potentially creating new treatments for TB and leprosy.

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.

Patients happy with robo-doc

A study found that robotic doctor visits increased patient comfort and accessibility to medical information, with 57% suggesting it should become a standard practice. Patients preferred having their own physician conduct telerounds over others.

Software corrects chip errors early

The new software equips SEMs with a model library of possible line measurements, enabling accurate determination of circuit feature shapes and sizes. This reduces measurement errors from tens of nanometers to just a few nanometers, increasing reliability and efficiency in semiconductor manufacturing.

UNC study may help predict premature infants at risk of total blindness

A new UNC study identifies specific eye features that can predict when premature infants are at risk of developing retinal detachment and total blindness. The study found that certain blood vessel growth patterns and vitreous cloudiness may indicate the need for surgical intervention to prevent progressive stage 4 ROP.

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.

Vanderbilt students take HHMI fellowships

Vanderbilt University Medical Center students James Peacock and Olga Weinberg have been awarded HHMI fellowships to pursue research in immunology and estrogen receptors. The fellowships will enable them to conduct academic-year-long research projects culminating in the Meeting of Medical Student Fellows.

Cannabinoids spell relief in colon inflammation

Max Planck researchers discovered that the body's own cannabinoid receptor acts as a protective system against colon inflammation. The study found that mutant mice lacking this receptor are more prone to inflammatory responses, but treatment with cannabinoids can alleviate inflammation in wild-type animals.

Deaf-blind woman deafer than deaf-blind man

Researchers found female patients with Wolfram syndrome have significantly worse hearing than male patients. The study also discovered that USH2a patients' hearing loss gradually deteriorates over time.

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.

Superconducting R&D wire achieves major milestone

The company has achieved an industrial world record by producing second-generation superconducting wires with high amperage electrical current and virtually no resistance. This technology can increase the efficiency of large electric motors by up to 50% and enable smaller, more powerful magnetic resonance imaging machines.

Rx pain medicines hard to find in pharmacies serving minority neighborhoods

A University of Michigan team found that only half of pharmacies in non-white areas had a sufficient supply of opioid painkillers. Pharmacies in wealthier ZIP codes tended to have better supplies, while those in poorer areas were less likely to carry the drugs due to perceived threats of robbery and street value.

Tobacco plant refuses cowpea mosaic virus

Researchers discovered that certain tobacco plant species are resistant to the cowpea mosaic virus. The virus spreads through a plant's vascular system, causing damage and death, but the specific channels it uses to transmit the virus were identified. This knowledge could lead to strategies for creating virus-resistant crops.

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.