Bluesky Facebook Reddit Email

Science News Archive March 2005


Page 7 of 15

Specialist care gives better rate of survival

Regular cardiovascular follow-up visits with a specialist significantly improve outcomes for heart failure patients, reducing emergency room visits and mortality rates. Access to specialty care is particularly important for elderly and rural patients, who often face barriers to timely treatment.

Disfigured patients may be forced to forego surgery

American Society of Plastic Surgeons reports a decline in reconstructive procedures due to insurance companies excluding coverage for procedures like skin lesion removals and breast reduction. This leaves patients with limited options, forcing them to choose between affording necessary procedures or living with painful medical conditions.

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.

U-M team makes synthetic mother of pearl

Researchers at the University of Michigan have successfully created an artificial version of mother of pearl, a naturally occurring compound that is several times stronger than nylon. By layering molecules on top of each other, scientists can engineer the mechanical properties of the material to suit specific applications.

UU scientists issue Indonesia earthquake warning

The University of Ulster team found significantly increased levels of stress on two fault zones in Indonesia, including the Sunda trench and Sumatra fault. The analysis suggests a high risk of another earthquake, potentially triggering another tsunami.

Leptin: A 'missing link' between obesity and diabetes?

Researchers found that leptin regulates blood sugar through two brain-body pathways, one controlling appetite and fat storage, and another influencing liver glucose reserves. The study suggests that disrupting both pathways may be necessary for developing full-blown diabetes.

Men and women: The differences are in the genes

A recent study published in Nature found that genes on the inactive X chromosome can escape inactivation and be expressed in females, leading to a stronger overall concentration of particular genes. This discovery could explain some of the differences between men and women that aren't attributable to sex hormones.

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.

Desert plant may help treat insidious tropical diseases

Researchers at Ohio State University discovered that extracts from the dotted dalea and Mojave dalea plants can kill parasites responsible for leishmaniasis and African sleeping sickness. The findings offer hope for developing cheap, oral treatments for these deadly diseases.

Witchcraft, God's punishment or just malaria in West Papua?

In West Papua, patients often initially choose indigenous treatments for illnesses, but switch to biomedical options if they don't work. After initial failure, individuals focus on finding the cause of their illness, attributing it to factors like ancestral spirits, magic, or biological responses.

Fire and ice: Mars images reveal recent volcanic and glacial activity

Recent Martian glaciers and volcanoes suggest ice-rich movement and climate change, with evidence of a major eruption over 350,000 years ago. This new research challenges the traditional view of Mars' geological history and provides fresh insights into the planet's dynamic evolution.

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.

New factor affects fertility

Research reveals that mice lacking TAF4b initially exhibit fertility but later become infertile due to progressive loss of maturing germ cells. The study's findings highlight the crucial role of TAF4b in sperm production and may have implications for human male fertility.

9.2 million cosmetic plastic surgery procedures in 2004 - up 5%

The American Society of Plastic Surgeons reported a strong increase in cosmetic surgery procedures in 2004, with over 1.7 million surgical and minimally-invasive procedures performed. The demand for injectables like Botox and hyaluronic acid fillers drove growth in minimally-invasive procedures.

Studies expand understanding of X chromosome

Researchers have sequenced the complete DNA sequence of the human X chromosome, confirming 1,098 protein-coding genes. The study found that the X chromosome holds a prominent place in studying human disease, with over 300 diseases mapped to it, including Mendelian disorders like red-green color blindness and hemophilia.

Apple iPhone 17 Pro

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

Mechanism of RNA recoding: New twists in brain protein production

Researchers discovered RNA loops and knots play a crucial role in A-to-I RNA recoding, enabling species-specific editing of proteins. By understanding these molecular structures, scientists can gain insights into the genetic code and improve our ability to interpret genome information.

Meta Quest 3 512GB

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

NYU study reveals how brain's immune system fights viral encephalitis

Researchers at NYU studied the body's response to viral encephalitis and found that neurons are sensitive to protective effects of type I interferons. Interferons induce pathways to fight the virus' spread but can be ineffective in certain stages, leaving infected neurons vulnerable.

Employees with diabetes are not more tired

Research reveals employees with diabetes can be valuable workers in a favorable environment. The burden of fatigue is largely determined by the individual's self-management capabilities and outlook on their disease and work situation.

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.

Green pigment in old masters a myth

A recent study has shed new light on the production of green paint used in old master paintings. Researchers found that the paint was created by mixing finely-powdered verdigris with a cold oil or vanish, rather than dissolving the pigment in warm varnish to produce copper resinate.

World's largest computing grid surpasses 100 sites

The LCG project has united scientific organizations worldwide to create a massive computing infrastructure, enabling record-breaking data transfer and processing. The Grid will continue to grow rapidly over the next two years to meet the ambitious computing needs of the LHC.

Teenage highs and lows

A study of over 13,700 US school students found that those involved in substance use, delinquency, and school problems were at high risk for continued marijuana use. The study identified five stages of marijuana involvement and recommended targeting these areas for prevention efforts.

Celestron NexStar 8SE Computerized Telescope

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

Mountaineering doctors hike medicine to new heights with Xtreme Everest

The Mt. Everest team, comprising anaesthesia and intensive care experts, aims to study human physiology in extreme environments by testing a closed-circuit breathing system and investigating the effects of hypoxia on brain function and genetics. The expedition seeks to understand acclimatization at the very limit.

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.

Researchers find evidence of dark energy in our galactic neighborhood

A team of researchers has found evidence of dark energy in the universe's cosmic neighborhood, with billions of galaxies emerging from a sea of dark energy. The findings provide supporting evidence for the presence of dark energy, which is causing the universe to accelerate in expansion.

US life expectancy about to decline, researchers say

A recent study suggests that obesity may be overestimating Social Security forecasts, with a potential decline in life expectancy of four to nine months. The researchers attribute this effect to the growing obesity epidemic, particularly among children and teenagers, which could lead to increased mortality rates and healthcare costs.

Search technique for images recognises visual patterns

A new image search technique developed by Mirela Tanase recognizes visual patterns and significantly increases the number of correctly identified objects in a search. The method provides a useful addition to existing methods, such as MPEG7, and can improve image recognition rates in certain cases.

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.

Answer from 'dusty shelf' aids quest to see matter as it was just after big bang

Researchers dust off dusty shelf by applying Hanbury Brown-Twiss Interferometry to high-energy gold nucleus collisions, reconciling experimental data with theoretical expectations. They found that pions in the plasma have a low mass inside but a higher mass outside, helping create quark-gluon plasma conditions similar to those just aft...

Cure no quick fix for cancer survivors on long road to recovery

A national study of cancer patients who underwent bone marrow transplantation reveals long-term quality of life issues persist for decades. Cancer survivors report lingering sleep, sexual problems, pain, cognitive decline, and poor physical well-being compared to healthy peers.

Plan to protect soybean crop is ready

A comprehensive plan has been developed by Virginia Tech to minimize losses from Soybean Rust, a disease that severely affected Brazilian soybeans. The plan includes educational programs and a monitoring system to identify the disease, as well as guidelines for scouting and treating infected fields.

Schering-Plough honored for contributions to chemistry scholarships

The American Chemical Society has recognized Schering-Plough's unique contribution to the ACS Scholars Program, providing grants of $50,000 to support 20 freshmen students each year. The program has awarded $8 million in scholarships to nearly 1,500 talented minority students with financial need since its inception.

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.

USC chemist wins national award for lifetime achievements in chemistry

Olah's work on hydrocarbon chemistry led to improvements in lead-free gasoline, cleaner fuels, and insights into chemical processes used in pharmaceutical and industrial chemistry. He also developed a new, highly efficient fuel cell and has guided over 200 research associates throughout his distinguished career.

Determining the fate of cells in the human body

The study found that Twist1 and Hand2 proteins couple to determine the number of digits on a hand, paw or wing, and whether these digits are webbed or not. Additionally, the researchers identified high-frequency mutations in patients with Saethre-Chotzen Syndrome, which may lead to cardiac and placental tissue defects.

Researchers discover chemical compounds that affect plant growth

A team of researchers has identified 219 chemicals that affect plant growth due to gravity, leading to a better understanding of protein transportation and genetic signaling in plant cellular membranes. The discovery uses chemical genomics to study the link between endomembrane system components and gravitropic response.

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.

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.

Compound may help prevent diabetes in fast-food fans

Researchers have discovered that a compound called HPMC, commonly used as an additive in foods and drugs, may help prevent diabetes in people who frequently consume high-fat fast foods. The compound works by regulating metabolic genes and slowing down the absorption of fats, potentially reducing the risk of developing insulin resistance.

Researchers recognize 'lower-energy' varieties of coastal islands

Scientists have identified over 20,000 uniquely 'fetch-limited barrier islands' along coastlines worldwide. These islands differ from classic ocean-fronting barriers in their wind- and wave-shielded settings and tend to be smaller with average lengths ranging from 1 kilometer.

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.

Probing the promise and perils of nanoparticles

Dendrimers have shown promise for precisely delivering drugs to their targets inside the body, but high concentrations can be toxic. Researchers discovered that engineering dendrimers in particular ways can prevent this damage and make them better at what they do.

Blacks less likely to get expensive, newer heart treatments

Researchers found that black high-risk patients were more likely to receive older treatments and less likely to receive newer drugs, including glycoprotein IIb/IIIa inhibitors and clopidogrel. Despite these disparities, short-term outcomes did not differ significantly between blacks and whites.

Beef feeding research studies pasture vs. grain

Research by Virginia Tech finds pasture-fed beef has less fat and higher conjugated linoleic acid (CLA), a fatty acid beneficial for human health. The study's goal is to develop efficient, profitable, and sustainable grassland-based production systems in the Appalachian Region.

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.