Bluesky Facebook Reddit Email

Science News Archive May 2005


Page 8 of 16

MDCT overtakes ventilation-perfusion lung scan for diagnosing pulmonary embolism

The study found that MDCT pulmonary angiograms increased from 21.9 to 42.5 per month, while ventilation-perfusion scans dropped from 5.7 to 3.6, indicating a shift towards diagnosing pulmonary embolism by CT. This change is attributed to advancements in MDCT scanners, which can quickly image the pulmonary vasculature with high resolution.

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.

Birth factors associated with risk for autism

A large-scale Danish study found no association between risk of autism and various birth factors, including mode of delivery, fetal presentation, and socioeconomic status. Family history of schizophrenia was linked to increased autism risk, independently of obstetric factors.

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.

Nutrition gene key in regulating immune system

Researchers have found a gene that signals yeast to make bread rise and mice to eat a better diet also helps selectively silence the immune system. This finding may help explain how mothers avoid rejecting genetically foreign fetuses, providing a new target for treatments to ignore other desirable tissues like transplanted organs. The ...

Combo drug controls hypertension in hard-to-treat patients

A new combination of irbesartan and hydrochlorothiazide reduced systolic blood pressure by an average of 21.5 points in 77% of patients, with 83% achieving acceptable diastolic blood pressure levels. The study included diverse patient groups and showed significant results.

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.

Leading patient safety advocates assess progress in reducing medical error

The report has had a positive impact on improving patient safety by changing healthcare views, enlisting support from stakeholders, and altering practices. Clinical effectiveness of safe practices implemented in hospitals show promising results, including reduced medical errors, adverse drug events, and cardiac arrests.

Yoga takes a bite out of eating disorders

A recent study published in Psychology of Women Quarterly found that yoga can help women buffer against negative messages about body image and self-acceptance. The research suggests that practicing yoga may lead to improved mental health outcomes, particularly for individuals at high risk of developing eating disorders.

Apple iPhone 17 Pro

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

Too much knowledge can be bad for some types of memory, study finds

A new study found that adults performed better remembering pictures of imaginary animals than real cats. The researchers suggest that some types of memory may be enhanced when people approach a subject with a child-like sense of naïveté. The ability to categorize can lead to problems such as stereotypes and ignoring individual details.

Over-feeding in infancy might set the stage for childhood obesity

A study found that infants of obese mothers consumed more energy as carbohydrates and had less interaction time with their parents, leading to increased sleeping time. This excess calorie intake may set the stage for childhood obesity, suggesting maternal influences play a crucial role in infant body composition.

What makes someone your sister or brother? No easy question in 2005

A study led by Professor Rosalind Edwards finds that the definition of brothers and sisters has more to do with individual circumstances and experiences than biology. The research reveals that children's answers to this question are complex, built through everyday communication and sharing experiences.

Two new retroviruses—transmitted from animals—identified

Researchers have discovered two new retroviruses, HTLV-3 and HTLV-4, transmitted from animals to humans through contact with primate blood and body fluids. The study highlights the importance of surveillance among bushmeat hunters and the need for further research into disease outcomes and potential human-to-human transmission.

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.

PNAS highlights for the week of May 16 - 20

Researchers analyzed voting patterns and committee memberships to find the most partisan committees, including the Select Committee on Homeland Security. They also developed a mathematical tool to identify Representatives' partisanship and cooperativity. Additionally, they created insulin-producing cells from human liver cells that can...

Study finds medication prevents travelers' diarrhea

A clinical trial found rifaximin effective in preventing travelers' diarrhea, with only 14.74% of participants experiencing symptoms after two weeks of daily dosing. The antibiotic lacks side effects and does not stimulate resistance in bacteria, making it a promising preventive measure.

Study finds ADHD improves with sensory intervention

Researchers found significant improvement in sensory avoiding behaviors and tactile sensitivity after therapy sessions for children with ADHD. The treatment helped children better attend to lessons in noisy classrooms and participate in family activities.

Annals of Internal Medicine tip sheet for May 17, 2005

Researchers found rifaximin significantly reduces mild diarrhea in travelers, while updated guidelines advise against hormone replacement therapy (HT) for postmenopausal women after hysterectomy. A study also discovered that slightly elevated blood sugar levels do not increase the risk of new heart attacks in women with established cor...

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.

Multiple views from CT scans may improve diagnosis

New CT scan technology uses multiple planes to improve diagnostic accuracy and efficiency, reducing reading time by up to 40%. The approach increases confidence in diagnoses, particularly for complex cases like metastatic tumors.

Antibody combined with cancer drug shows promise against breast tumors

Researchers discovered an antibody compound that effectively targets and destroys blood vessels within cancerous tumors, reducing tumor growth by 93% when combined with docetaxel. This promising treatment approach may offer a new solution to treating breast cancer patients with limited effectiveness from traditional therapies.

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.

President Bush honors excellence in mentoring

Nine individuals and five organizations were recognized for their outstanding mentorship efforts to broaden opportunities in science, mathematics, and engineering education. The honorees include Lenore Blum, Barbara Burke, Charlena Grimes, Richard Ladner, Jeffrey Russell, Herb Schroeder, John Warner, Steven Watkins, and Elizabeth Yanik.

Babies' cries linked to their health

Infants at medical risk, such as premature babies or those exposed to lead or drugs, exhibit distinct cry patterns that may indicate neurological problems. Cry analysis, supported by previous studies, can help identify undetected damage in high-risk infants.

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.

OTC treatments for reflux fail to match relief of prescriptions

A multinational survey found that OTC medications are less effective in relieving GERD symptoms compared to prescription medication. Prescription proton pump inhibitors and other drugs showed significant symptom improvement, with 80% and 90% of patients reporting relief, respectively.

UCLA study assesses cost-effectiveness of Hepatitis B drugs

The study found that the newest drug therapy – adefovir – was not cost-effective when taken alone but became very cost-effective when reserved as a second-line agent in people who develop viral resistance for lamivudine. The hybrid treatment strategy of lamivudine and adefovir is also a viable option.

Very large diamonds produced very fast

Scientists have successfully produced 10-carat, half-inch thick single-crystal diamonds at a rapid growth rate of 100 micrometers per hour using CVD. This achievement is approximately five times that of commercially available diamonds and marks a major breakthrough in diamond production.

Biologic therapies for bowel disease show promise in clinical trials

Recent clinical trials have shown promising results for biologic therapies in treating Crohn's disease, with Alequel achieving high clinical remission rates. Additionally, a study on adalimumab has demonstrated increased efficacy over time, while maintaining a strong safety profile.

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.

Vitamin D, taxotere combination promising for advanced prostate cancer

Researchers found that the combination of DN-101 and docetaxel extended overall survival by 7.1 months without increasing toxicity, outperforming docetaxel alone. Additionally, the treatment resulted in a strong PSA response, with 63% of patients experiencing a reduction in prostate-specific antigen.

A hope for oil spill bioremediation

Researchers found that certain populations of bacteria in contaminated coastal waters can degrade crude oil components, particularly polycyclic aromatic compounds. This discovery suggests that indigenous microbiota have evolved to handle the pollution, paving the way for potential bioremediation methods.

American Thoracic Society Journal news tips for May 2005 (second issue)

A national population-based study of 16,036 lung cancer patients found that Hispanics with curable stage I lung cancer had poorer lung cancer specific survival rates and worse all-cause mortality than white persons. This disparity was largely explained by lower surgical resection rates among Hispanics and a higher probability of being ...

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.

NASA postpones satellite launch

NASA has delayed the launch of its NOAA-N satellite until at least May 20th following a vent hose malfunction during last Thursday's attempt. Contamination risks were identified, prompting further testing and sample collection to ensure payload safety.

An alternative to prevent UC-associated colon cancer

Researchers found statin chemoprevention to be a promising strategy for managing patients with chronic ulcerative colitis, preventing 90-96% of colon cancers. Compared to frequent colonoscopic surveillance, this approach may improve quality of life and reduce costs.

Meta Quest 3 512GB

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

Radioactive isotope is effective against neuroblastoma

A phase 2 trial of MIBG therapy shows an overall response rate of 35 percent in children with refractory or relapsed neuroblastoma. The treatment selectively targets tumor cells and has a lower risk of toxic effects on blood cells compared to conventional treatments.

Fluke 87V Industrial Digital Multimeter

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

Heart scan surprises: CT reveals many non-heart problems, too

Researchers found non-heart abnormalities in 61% of patients who underwent CTCA scans, including lung cancer, emphysema, and fluid buildup. The study emphasizes the need for a team-based approach to reading these scans, with both radiologists and technologists requiring specialized training.

Rice, Iowa state biologists search for 'half-fusion'

Researchers at Rice University and Iowa State University discovered that hemifusion is an intermediate fusion state in biological systems, where the outer layer of the membrane mixes with the inner layer. This finding suggests that hemifusion may be the mechanism used by all living cells to facilitate membrane fusion.

Are CT angiograms overused?

A recent study has found that CT angiograms are being performed at a significantly higher rate than necessary, leading to increased radiation exposure for patients. The study, which analyzed data from 2002-2004, showed that the percentage of patients with pulmonary embolism diagnosed using CTA decreased over time.

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.

Stegosaur plates and spikes for looks only, researchers say

A team of paleontologists analyzed stegosaur plates to rule out thermoregulation as a function. Instead, they suggest that the plates may have been used for species recognition, similar to African antelopes. The analysis also found that scutes on other dinosaur ancestors had similar internal structures, supporting this theory.

Obesity linked to colorectal and esophageal cancers

Research reveals that high BMI is associated with increased risk of colorectal adenoma and weight reduction significantly decreases this risk. Obesity is also linked to an increased incidence of esophageal cancer, particularly in patients with Barrett's Esophagus.