Bluesky Facebook Reddit Email

Science News Archive October 2004


Page 3 of 13

Elderly experience long-term cognitive decline after surgery

A study of 354 elderly patients found that 59% experienced cognitive decline immediately after surgery, with declines persisting three months later. The study suggests that early improvement followed by later decline is a common pattern in postoperative cognitive function.

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.

Mystery unwrapped: Texas A&M team uncovers mummy secrets

A Texas A&M University team has discovered that ancient Egyptians used tar from natural oil seeps in the Middle East for preservation and mummification. The researchers found that tar acted as a watersealer, preventing moisture from penetrating the wrappings and destroying the body.

Animal study suggests safer immunization approach to Alzheimer's

Researchers found that injecting antibodies directly into the brain of mice slowed down plaque growth by up to two months without adverse side effects. This modified passive immunization method may offer a safer treatment option for Alzheimer's, providing a window for other treatments to prevent new plaque formation.

'Aggregate and the Environment'

The book provides detailed explanations of procedures used to manage and minimize environmental impacts of aggregate mining, processing, and transportation. It also highlights successful reclamation projects that convert mined areas into beneficial uses such as recreation areas and natural habitats.

Skin sterol provides new information about heart disease risk

A new clinical trial has found that high skin sterol levels are associated with an increased risk of heart disease in patients with coronary artery disease. The study, published by IMI International Medical Innovations, used a prospective registry to examine the relationship between skin sterol and cardiovascular risk factors.

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.

Can't place a name to the face you just saw?

A team of researchers from the University of Arizona used fMRI to investigate how brains recognize faces and retrieve associated names. They found that specific areas, including the medial prefrontal cortex, showed activation during 'feeling-of-knowing' states, suggesting additional processes aid in recalling accurate memories.

Almost good enough to eat

Researchers found that Brazilian communities in coastal areas and the Amazon region have taboos on consuming certain fish species, especially predatory ones. These prohibitions are likely biologically adaptive, suggesting a link to toxic accumulation and health concerns.

Immune system in a bottle could help prevent flu vaccine shortage

A team of scientists has created an artificial immune system that can mimic the human immune response, allowing for faster and easier production of flu vaccines. The technology uses inverted colloidal crystals as three-dimensional cell scaffolds, enabling researchers to study the artificial immune system's reactions to biological hazards.

Apple iPhone 17 Pro

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

Lung function regulated by circadian rhythms

A study found that lung function has a natural rhythm that affects energy levels and best times for exercise and treatments. Patients with respiratory conditions may benefit from adapting therapies to their individual circadian rhythms.

Swallowing multiple magnets poses danger to children

Children under 3 years old are prone to swallowing foreign objects, with up to 20% needing surgical removal. Swallowing multiple magnets can lead to severe complications like obstruction, necrosis, and perforation of the intestines.

New radiotherapy regime benefits young women with breast cancer

A new radiotherapy regime has been shown to significantly reduce local disease recurrence rates in young women with breast cancer. The treatment involves adding a boost dose of radiation to the tumour bed, resulting in a 5-year local recurrence rate of 8.5% in women under 35 years old.

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.

IC-medtech licenses promising cancer therapeutic from Summa Health System

Researchers at Summa Health System have discovered a new form of cell death in cancer cells, which could lead to improved treatment options. The novel therapeutic Apatone has shown promise in enhancing the performance of six different chemotherapeutic drugs and is currently being tested in clinical trials.

AGU Journal highlights - 26 October 2004

Researchers have made significant discoveries about the impact of human activities on the environment. A new study used satellite observations to estimate nitrogen oxide emissions from ships, which contribute approximately 23 gigagrams per year into the troposphere. Additionally, a seismic analysis technique has provided unprecedented ...

DepoDur found to be innovative option for postoperative pain relief

DepoDur offers a safe and effective alternative to traditional epidural analgesia, providing up to 48 hours of effective pain control without the need for continuous infusion. This single-shot epidural formulation has been shown to improve treatment of postoperative pain following major surgery.

MRI improves treatment of deforming birthmarks

A new study uses MRI to guide percutaneous sclerotherapy, a minimally invasive treatment for low-flow vascular malformations, resulting in successful symptom relief without complications. The technique enables precise targeting and monitoring of the malformation, leading to improved patient outcomes.

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.

LSU FACES Lab building database of missing persons, unidentified remains

The LSU FACES Lab is building a comprehensive database of Louisiana's missing and unidentified persons. The project will utilize DNA information, dental structure, and other characteristics to identify individuals. The database will be searchable and will initially be accessible only to law enforcement agencies.

Emory study details dolphin brain evolution for the first time

Researchers have described the pattern of brain evolution in dolphins for the first time, revealing a significant increase in brain size relative to body size over 47 million years. This change is believed to be linked to changes in social ecology and the emergence of echolocation abilities.

New insights into hormone therapy highlight when estrogen best aids brain

Researchers examine how and why hormone therapy affects cognition, finding that treatment regimen influences memory performance. Continuous versus cyclical estrogen regimens show differing effects on cognitive function, with cyclical regimens leading to more errors in reference and working memory tests.

Several new techniques show promise for spinal cord repair

Researchers have found promising results using olfactory ensheathing cells (OECs) to form myelin around nerve fibers, improving rats' functionality. Tiny beads releasing the enzyme chondroitinase ABC also enhance axonal growth and recovery of function.

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.

Technology points to possible targets for epilepsy and Alzheimer's drugs

A study using antibody microarrays measured levels of over 500 proteins in tissue samples from patients with epilepsy and Alzheimer's disease, identifying increased signal transduction proteins as a possible new target for treatment. This discovery could lead to the development of new medications for these conditions.

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.

Tests begin of flu vaccine grown in insect cell lines

Researchers are testing a new flu vaccine grown in insect cell lines, which could reduce production time by one to two months. The study aims to evaluate the effectiveness of the experimental vaccine in healthy adults aged 18-49, with potential benefits including reduced costs and increased dose strength.

Clues to the puzzle of 'talking' root cells

Duke University researchers discovered that the Short-Root protein moves from one cell to another through an active process that recognizes signals, not just random diffusion. This finding provides a promising pathway for understanding how complex tissues develop from individual cells in both plants and animals.

Sandbagging cancer in the bloodstream

Researchers at Scripps Research Institute use a class of compounds known as Src kinase inhibitors to stabilize blood vessels and block tumor cell metastasis. By increasing the protective barrier strength of host blood vessels, the approach prevents cancer cells from exiting the bloodstream, making them vulnerable to immune system attack.

Study finds nearly 60% of American adults may have elevated blood pressure

A study by University of Illinois Chicago researchers found that nearly 60% of American adults have elevated blood pressure, with prevalence increasing among older adults, those with lower education levels and obesity. Awareness and management of hypertension remain low, particularly among Mexican-Americans.

Meta Quest 3 512GB

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

Biodiversity: measuring up to the loss

A new Red List Index measures changes in extinction risk for birds worldwide, showing a steady deterioration between 1988 and 2004. The index provides a reliable baseline to track progress toward the 2010 biodiversity target, with particularly steep declines observed for Asian birds and seabirds affected by commercial long-line fisheries.

Farmers don't need a new superstar toxin to fight bugs

Researchers found that using plants with moderately effective genetic modifications in a buffer zone around main crops can play a major role in insect control. This approach delays the development of resistant insects by creating negative cross-resistance, effectively eliminating them from invading the main crop.

Fatal attraction

A new study suggests that reminders of death can increase support for charismatic leaders, who promise a heroic victory over evil. This is because people want to identify with special and great things, which charismatic leaders offer.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Supervised treatment interruptions fail to control HIV-1 viremia

A study published in PLOS Medicine found that supervised treatment interruptions, which aim to boost natural immunity by briefly exposing patients to low levels of the virus, are ineffective in controlling HIV-1 viremia. Researchers were able to achieve transient control of the virus in some patients, but it was not sustained over time.

Mouse study: Signal overload in Alzheimer brains

Researchers found that stem cells in mice with Alzheimer's disease were attracted to abnormal protein bundles called amyloid plaques. This could lead to the development of plaque-busting treatments using adult olfactory bulb stem cells.

LASER technology helps track changes in Mount St. Helens

Scientists used airborne LIDAR to map the dimensions of Mount St. Helens' uplift, creating detailed models to forecast volcanic hazards. The analysis revealed 5.3 million cubic meters of volume change in the area of uplift, confirming photogrammetric measurements.

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.

Interventional methods may increase the use of evidence-based practice

A study found that intensive continuing education workshops can boost nurses' knowledge of and use of evidence-based practice. This can lead to better patient care and outcomes, with a potential improvement of up to 28%. The research highlights the importance of increasing nurses' knowledge of EBP.

More focus needed to prevent farm injuries, study says

A recent study published in Pediatrics highlights the need to prevent injuries to children on farms, which have an increased risk of serious and fatal injury compared to children in general. The authors recommend developing effective programs to address this issue, including education, regulations, and technological improvements.

Cars, not crops, should be chief targets in reducing greenhouse gases

A study by Duke University researchers suggests that increasing fuel efficiency in cars and light trucks can achieve a 10% reduction in carbon dioxide emissions. In contrast, converting all croplands to no-till agriculture or retiring croplands would yield only a 4% reduction, making it a less feasible solution.

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.

Worldwide approach tackles kidney disease

A new global approach aims to combat the growing threat of kidney disease by promoting early detection and proper care. This strategy has been shown to be effective in treating kidney disease, particularly when combined with evidence-based guidelines and actual clinical practice.

Martian meteorite measurements give information on planet evolution

Researchers at Yale University have devised a method to precisely date the timing and temperature of a meteorite impact on Mars. The (U-Th)/He dating method provides a far more accurate picture than conventional methods, shedding light on the history of Martian impacts and their effects on interplanetary material transfer.

Barriers preclude rural women from breast cancer screening

A study found that African-American and Native American women had less information and more inaccurate beliefs about breast cancer screening compared to Caucasian women. Women cited pain, embarrassment, and lack of time as major reasons for not getting screened, highlighting the need for targeted interventions.

Sleep disorders often indicate multiple health conditions

A study found that sleep disorders can be linked to attention deficit disorder (ADD), fibromyalgia, chronic fatigue, depression, dyslexia, and illiteracy. Patients with untreated sleep disorders may continue to suffer from significant health problems.

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.

Researchers identify brain protein that halts progression of Alzheimer's

A recent study by University of Wisconsin-Madison scientists has identified a brain protein called transthyretin that appears to protect brain cells from toxic beta-amyloid, which contributes to Alzheimer's disease. The findings suggest that boosting transthyretin levels in the brain could be a promising approach to treating the disease.

Growing epidemic of wet AMD ushers in new era in treatment of the disease

A growing epidemic of wet AMD is expected to double diagnoses by 2020, with new treatments in late-phase clinical trials or pending FDA approval showing promise for stabilizing the disease and preserving vision. Innovations in biotechnology offer new options for patients, including anti-VEGF, anti-angiogenic, and angiostatic treatments.

Psychologist finds instance where 'two wrongs do make a right'

University of Oregon researchers Paul Dassonville and Jagdeep Kaur Bala found that the distinction between perception and action streams is oversimplified. Their study revealed that slight manipulations of an illusion led to a new realization, where the 'right' physical movements were made despite inaccurate visual perceptions.

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.

Gene for diabetes found

Researchers identified a gene called PTPN1 that represses insulin response and is associated with diabetes. The study found a common variant of the gene increases the risk of diabetes in Caucasians, while another form appears protective.