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Science News Archive 2005


Page 101 of 165

Winners of first Trieste Science Prize announced

Scientists Tiruppattur V. Ramakrishnan and Sergio Henrique Ferreira receive the first Trieste Science Prizes for their groundbreaking research in physics and biological sciences. Their work has led to significant breakthroughs in understanding quantum transport, nanoscopic systems, and the treatment of hypertension and chronic pain.

Applied NeuroSolutions biomarker may predict Alzheimer's disease progression

A recent study published in Archives of Neurology suggests that variations in p-tau 231 levels can predict the structural progression of Alzheimer's disease. The biomarker has been shown to discriminate between AD patients and those with other neurodegenerative disorders, with high accuracy in detecting early-stage disease.

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.

Patients' favorite music during surgery lessens need for sedative

Researchers at Yale University found that playing a patient's favorite music during surgery reduces the need for sedatives. In contrast, using white noise or no headphones did not decrease sedative requirements. The study involved 36 patients at Yale-New Haven Hospital and 54 patients at the American University of Beirut Medical Center.

Road salt affects mitigation wetlands

Researchers monitoring two PennDOT-installed data loggers measure high salt levels in runoff wetland, reaching half the salinity of seawater. The effects on species and soil quality are still unknown but may include decreased midge populations and increased algae growth.

New anthropological research on gender

Researchers found that young women in Cameroon view their life as random, while those in rural Thailand consider the sex industry an option. In Hong Kong, a successful women's movement secured inheritance rights for indigenous women through public framing of their stories as human rights violations.

Marine sponge yields nanoscale secrets

Researchers at UCSB have developed a method to couple synthetic molecules onto gold nanoparticles, mimicking the natural biological catalyst of the marine sponge. This discovery represents a low-temperature, biotechnological route to producing valuable nanomaterials.

Combating fatigue associated with liver disease

A randomized, double-blind placebo-controlled crossover trial found that ondansetron did not have a fatigue-reduction benefit greater than the considerable placebo effect. The study suggests that other drugs targeting the central nervous system may prove effective in combating fatigue associated with primary biliary cirrhosis.

Apple iPhone 17 Pro

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

The bladder does not shrink as you get older

A recent study found that bladder capacity remains relatively stable throughout adulthood, contradicting the common assumption that it shrinks with age. Overactive bladder, also known as detrusor overactivity, is a common condition affecting millions of Americans, and treatment is available.

Tobacco use persists after liver transplant for alcoholic liver disease

A recent study found a significant percentage of patients who received a liver transplant due to alcoholic liver disease also used tobacco post-transplant. The majority of smokers resumed their habit quickly and showed increased consumption over time, highlighting the need for more stringent monitoring and intervention.

NASA's rovers continue Martian missions

NASA's Mars Exploration Rovers Opportunity and Spirit have been studying geology on opposite sides of Mars for over a year. The rovers have found extensive layered bedrock, including rocks containing the mineral Ilmenite, which suggests a shared origin and diversity in volcanic rocks in the Gusev region.

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.

Little change in suicidal thoughts, plans or attempts in US

Despite a lack of decline in suicidal ideation, plans, or attempts among US adults aged 18-54, treatment increased dramatically for those who made gestures or attempts. Vulnerable subgroups like the young, women, and those with low education face consistently elevated risk of suicide-related behaviors.

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.

Tiny bundles seek and destroy breast cancer cells

Researchers at Penn State have developed a new ceramide-based therapy that targets and destroys breast cancer cells while sparing healthy tissue. The treatment uses liposomes to deliver ceramide to the tumor, where it disrupts mitochondria and causes cell death.

Measuring hormone cuts antibiotic use in half in pneumonia patients

A study by the American Thoracic Society found that measuring hormone levels can reduce antibiotic use in pneumonia patients. The study showed that patients with low procalcitonin levels were not given antibiotics and recovered similarly to those who received a full course of antibiotics.

Decreasing death anxiety

A study found that support groups improved depression symptoms and lessened death anxiety in patients with serious medical conditions, leading to better spiritual well-being. Patients were divided into three groups and received either standard care or participated in monthly support group meetings discussing challenging issues.

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.

International adoptees have fewer behavior problems than domestic adoptees

A study of international adoptees found that they have fewer behavior problems than domestic adoptees, with lower rates of mental health referrals. However, clinicians should be aware of higher risks for problem behaviors in domestic adoptees who experienced neglect or maltreatment in their pre-adoptive period.

MUHC scientists describe genetic resistance to rampant virus

Researchers have identified a new mechanism of resistance to CMV, involving the interaction between two genes that flag infected cells for destruction and allow Natural Killer cells to recognize and terminate them. This discovery increases the likelihood of therapies being developed to fight CMV.

Female lung transplant recipients at greater risk of acute lung injury

A study analyzing US lung transplant data between 1994 and 2002 found that female recipients experienced a 60% increased risk of primary graft dysfunction compared to male recipients. This condition can lead to severe lung injury, high mortality rates, prolonged hospital stays, and other serious complications.

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.

'Embodiment awareness' research aim to help the blind learn math more quickly

Researchers at Virginia Tech are developing tactile devices to enhance embodiment awareness for blind students, allowing them to access and comprehend mathematical concepts through spatial imagery. The project has the potential to significantly impact inclusive mathematics instruction for visually impaired students.

Diagnostic imaging in line with other hospital costs

A study analyzing hospital data from 1996 to 2002 found that diagnostic imaging costs remained stable as a percentage of hospital expenses. The study also showed that additional spending on imaging was associated with shorter hospital stays by approximately 0.26 days.

Most in high value homes have income to match and can afford local taxes

A study by Dr. Michael Orton found that there are fewer instances of people on low incomes living in high-value properties than previously thought. The research also highlights how middle and lower-income individuals spend a higher proportion of their income on council tax compared to those with higher incomes.

Study helps doctors ID intimate partner violence abuse victims

A study estimated the predicted probability of 12-month and lifetime IPV for patients presenting with smoking and problem drinking behaviors, helping clinicians identify at-risk patients. The study found that even women who didn't smoke or drink had a significant likelihood of abuse, highlighting the need for routine screening.

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.

Asian drought triggers surge in poverty

A severe drought in Asia has pushed millions of people below the poverty line, but researchers are developing new technologies to help farmers adapt. New rice varieties and irrigation management strategies can improve crop yields and reduce water usage.

Laughter-induced asthma: It's no joke

A study of 235 patients with asthma found that laughter-induced asthma (LIA) is a common condition, affecting 56% of patients. Patients with LIA reported longer periods of well-controlled asthma during which they could laugh without experiencing symptoms, suggesting that LIA may indicate poorly controlled asthma.

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.

Retina adapts to light changes by rewiring itself

The retina's neural connections can reorganize and adapt in response to sudden changes in ambient light, allowing it to process visual information more efficiently. This finding has implications for the development of prosthetic retinal devices and may help researchers better understand the underlying mechanisms of vision.

University of Pittsburgh study shows using expanded critera donors is safe

A seven-year review of liver transplant recipients who received HBV positive and HCV positive organs found patient and graft survival rates comparable to those receiving livers from negative donors. The use of these organs increases the number available for transplantation while maintaining long-term results.

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.

Imaging may not be major driver of hospital cost increases

A new study by Massachusetts General Hospital found that imaging costs contribute to only about 10% of overall hospital expenses. Despite a significant increase in imaging studies during the study period, the cost of these procedures remained relatively stable.

No strong evidence of an increased risk of cancer among personal hair dye users

The study examined 79 studies from 11 countries to investigate the association between personal hair dye use and cancer risk. The authors found no global effect on breast and bladder cancer, but a borderline effect for hematopoietic cancers like leukemia and multiple myeloma. Further investigation is needed for these high-risk groups.

In less dense neighborhoods

After the terrorist attacks, Ohio homeowners shifted their priorities to prioritize housing density, parks, and safety over other factors. A third survey conducted in spring 2004 found that despite increased fear of terrorism, home preferences returned closer to pre-9/11 levels.

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.

Voyager spacecraft enters solar system's final frontier

NASA's Voyager 1 spacecraft has entered the solar system's final frontier, encountering the heliosheath region. The spacecraft's observation of a sudden increase in magnetic field strength and plasma wave noise indicates it has crossed the termination shock, marking a significant milestone in its journey to interstellar space.

Medication errors continue even in highly computerized hospital

In a study published in Archives of Internal Medicine, researchers found that despite implementing multiple computerized interventions, medication errors continued to occur at high rates. The authors identified common error types, including failure to monitor adverse drug reactions and improper medication dosages.

Meta Quest 3 512GB

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

After a time-shift, mixed signals from the circadian clock

Researchers discovered that rat brains exhibit distinct responses to a six-hour delay in the light schedule, with one region adapting quickly and another taking several days. The study suggests that this difference in response is due to the neurotransmitter GABA, which affects brain regions differently.

Building a human kinase gene repository

A new human kinase gene repository has been established, featuring a comprehensive collection of protein and non-protein kinases. The repository will facilitate high-throughput assays and structural studies of this crucial gene family, which plays key roles in various cellular processes.

International medical journals amplify call for registration of drug trials

Major medical journals, including Annals of Internal Medicine, will consider publishing results of clinical trials only if they are registered in a publicly accessible database before enrollment begins. The International Committee of Medical Journal Editors (ICMJE) has adopted a set of 20 required data elements for trial registration.

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.

Magnetic stimulation may improve stroke recovery

A small group of stroke patients showed significant improvement in motor function after receiving repetitive transcranial magnetic stimulation. The treatment, which is non-invasive and painless, promotes increased activity in the damaged hemisphere by reducing motor activity in the unaffected hemisphere.

New playground equipment safer

A recent study by A.W. Howard and colleagues found that replacing hazardous playground equipment with safer versions significantly reduced injury rates. The study, which analyzed data from 86 schools, avoided 550 injuries over a 10-month period after the replacement of unsafe equipment.

Tracking a killer: Observing liver invasion by malarial parasites

Researchers have made a groundbreaking discovery by directly observing the liver invasion of malarial parasites using intravital microscopy. The study reveals a critical stage in the parasite's life cycle, where sporozoites traverse Kupffer cells to wreak havoc on liver tissue.

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.

Students who get drunk weekly have higher risk of injuries

A recent study by Wake Forest researchers found that students who get drunk at least once a week are three times more likely to be hurt or injured due to their own drinking. These students were also twice as likely to fall from a height and need medical care, and 75% more likely to be sexually victimized.