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Science News Archive 2004


Page 27 of 135

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Anxiety good for memory recall, bad for solving complex problems

Researchers at Ohio State University found that anxiety enhances memory recall but impairs problem-solving skills, particularly those requiring flexible thinking. Stress levels before an exam boost working memory, while stress after the exam improves word and shape tests.

Bug's-eye-view of urinary tract reveals E.coli infection genes

Scientists have identified 313 up-regulated and 207 down-regulated E.coli genes in mouse urine, revealing new insights into bacterial growth and virulence factors. The study provides valuable information on growing conditions and could lead to more effective treatments for urinary tract infections.

Tea could improve memory, study shows

New research from Newcastle University found that green and black tea inhibit the activity of certain enzymes in the brain linked to memory decline. The study suggests that drinking regular cups of tea may help improve memory and slow the development of Alzheimer's disease.

Study at Joslin shows ease of introducing technology to kids with diabetes

A study by Joslin Diabetes Center found that youth ages 8-18 with type 1 diabetes were more likely to monitor their blood glucose levels when playing a guessing game on a wireless-equipped personal digital assistant. The study showed an increase in diabetes knowledge and fewer episodes of hyperglycemia among participants.

Obese patients have higher health care costs than nonobese patients

Obese individuals have significantly higher one-year health care costs compared to nonobese counterparts. Prescription drugs and hospitalizations are key drivers of these increased costs. The study found obese patients had a median total healthcare cost of $585.44, while nonobese patients averaged $333.24.

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.

Mixed signals to blame for restless legs syndrome

A new study reveals that iron deficiency in the brain's substantia nigra region may contribute to restless legs syndrome. Elevated levels of tyrosine hydroxylase (TH) were found in individuals with RLS, suggesting a link between cellular iron deficiency and dopamine regulation.

Malaria vaccine trial

A new malaria vaccine trial found only 10% vaccine efficacy in Gambian adults, but the DNA/MVA vaccine group showed a significantly stronger immune response than the rabies vaccine group. The researchers are planning further trials to address this issue and develop a more effective malaria vaccine.

A clear view of mycobacterial infection

Researchers have found that Mycobacterium tuberculosis recruits more macrophages to granulomas despite the host's defense mechanisms, suggesting a new strategy in mycobacterial infection. The study used zebrafish embryos to visualize cell recruitment into granulomas and identified the RD1 genetic region as crucial for virulence.

Retinal stem cells can regenerate after transplant

Researchers successfully transplanted human retinal stem cells into light-sensing photoreceptor cells and retinal pigment epithelial cells in animal models. The study's findings have implications for future treatment of degenerative eye diseases such as retinitis pigmentosa and macular degeneration.