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Science News Archive 2004


Page 29 of 135

Latin America shows rapid rise in published science and engineering articles

The new NSF report reveals that Latin American countries have made significant strides in publishing science and engineering articles. From 1988-2001, Brazil's output quadrupled and Mexico's more than tripled, while Argentina and Chile produced the most scientific articles per capita. The region's growing influence is reflected in the ...

Apple iPhone 17 Pro

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

OHSU study: Bacterial switching mechanism key to survival

Researchers at OHSU have determined the structural basis underlying a crucial mechanism that allows gram-positive bacteria to adapt to available energy sources. This finding could lead to the development of new antibiotics that disrupt this mechanism, making bacteria more susceptible to counter-attacks by the human body.

Pediatricians need more training on environmental health

A group of experts recommends incorporating environmental health into pediatric medical and nursing education, citing gaps in current curricula. The study aims to equip healthcare providers with tools to recognize, treat, and prevent diseases related to environmental factors.

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.

Mitochondrial mutation linked to blood pressure and cholesterol problems

A study found that a mitochondrial mutation may contribute to the development of metabolic syndrome, a cluster of disorders including high blood pressure and high cholesterol. Researchers discovered the link in a four-generation family affected by hypertension, hypercholesterolemia, and other conditions.

Techniques for making Barbie dolls can improve health care

Operations research and manufacturing techniques will improve healthcare delivery by reducing costs and enhancing quality. Techniques such as supply chain management and scheduling systems are being adopted in hospitals and blood banks to reduce delays and improve patient care.

Single genetic defect links many risk factors for heart disease and stroke

A single genetic mutation in mitochondrial genes has been found to be associated with multiple risk factors for heart disease and stroke, including hypertension, high cholesterol, and low magnesium levels. The researchers also discovered a link between the mutation and other conditions such as hearing loss and weakened heart muscle.

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.

Aiding decision making for Baby Charlotte and Baby Luke

The Lancet editorial emphasizes the need for a more compassionate approach to end-of-life medical decisions, particularly in cases where parents and doctors disagree. The article advocates for arbitration as an alternative to court proceedings, citing its potential to resolve conflicts in a more constructive manner.

Significant pain relief following gastric bypass surgery

A study of 54 patients who underwent gastric bypass surgery found a 52% decrease in musculoskeletal complaints and a 92% reduction in fibromyalgia syndrome pain after 6-12 months. The significant weight loss resulted from stapling the stomach to create a small pouch, leading to improved function and quality of life.

Molecular mechanism sheds light on neurodegenerative diseases

A Northwestern University team discovered that mutant Huntingtin protein aggregates bind to the proteasome machine, preventing complete degradation of proteins and leading to disease. This interference causes a cumulative negative effect, resulting in the buildup of damaged proteins.

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.

Strong-flavored onions show promise for fighting cancer

Researchers found that stronger, more flavorful onion varieties have higher antioxidant activity and can fight colon cancer cells more effectively. Shallots were also found to be strong cancer-fighters, outperforming milder-tasting onions.

ENCODE consortium publishes scientific strategy

The ENCODE project aims to build a comprehensive 'parts list' of human DNA's sequence-based functional elements, including protein-coding genes and regulatory elements. The initiative will analyze the remaining 99% of the human genome using novel methods and technologies.

Parkinson's patients get bilateral benefits with unilateral brain stim

Researchers found that bilateral motor performance improvements were seen in patients with Parkinson's disease, regardless of where the stimulation was applied. The study suggests that unilateral deep brain stimulation could be a more effective and lower-risk treatment option for some patients.

Clues to improving TB treatment

Researchers have discovered a way to disable TB protein when it binds to certain molecules, making bacteria more sensitive to treatment by ethionamide. This finding suggests that combining ethionamide with benzylacetone could reduce the dosage of potent antibacterial compounds and improve TB treatment.

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.

Further evidence showing treatment benefits of beta interferon for MS

Researchers found that beta interferon significantly reduced brain tissue loss and slowed MS progression, with around a third of patients showing improved outcomes. The study's results suggest that beta interferon may be an effective treatment for delaying the progression of multiple sclerosis.

New genomic method can identify disease-causing genes

A new computational approach helps researchers understand the relationship between trait differences and variations in the mouse genome, moving closer to understanding human genetic differences. The method also has potential to uncover currently unknown genetic factors contributing to various diseases.

Ancient sea spider fossils discovered in volcanic ash

Fossil discovery reveals ancient sea spiders are related to land spiders and scorpions, with the new species Haliestes dasos dating back 35 million years. The preserved specimens provide valuable insights into their unique body form and behavior.

New fiber optic sensors increase range

Researchers at Virginia Tech have developed new fiber optic sensors using UV-induced intrinsic Fabry-Perot interferometers, increasing the range and enabling real-time monitoring of large areas. The technology has the potential to create a nationwide network of sensors for infrastructure monitoring with improved multiplexing capability.

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.

Mouse study: 'Critical' Down syndrome region isn't

A mouse study challenges the idea that a specific gene region is responsible for Down syndrome's characteristic facial features and traits. Researchers found that mice with only two copies of this region still exhibited shorter bones, contradicting previous assumptions.

Incentives for US farmers reduce water waste

A report by Cornell University's David Pimentel and his students highlights the need to conserve water in US agriculture. The study found that irrigation practices can require up to three times more fossil energy than rain-fed crops, highlighting the importance of sustainable water management.

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.

Babies born after surgery on eggs

Researchers use nuclear transfer to add women's own mitochondria to eggs, preventing inherited diseases caused by mitochondrial mutations. The technique involves adding the woman's own mitochondria to her eggs, reducing controversy and potential health risks compared to using donor mitochondria.

Mining census data without violating privacy

A $2.9 million NSF grant will support a Cornell-led consortium developing techniques to anonymize census data while maintaining confidentiality. The project aims to create synthetic and coarsened datasets using virtual households and geographic information systems.

Mollusk research center will propagate endangered species

The center, established at Virginia Tech, aims to study and propagate endangered mussels. Researchers produce nearly 50,000 juvenile mussels annually and work on projects like surveying bivalves for stress indicators and studying pearl production.

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.

Large-scale forces shape local ocean life, global study shows

Researchers found that species diversity in local areas is directly proportional to species diversity in the region, highlighting the importance of regional forces in shaping biodiversity. Latitude also plays a significant role in local species richness, with diverse regions supporting more species.

For inferring the biological tree of life, simple is better

Studies suggest that maximum parsimony, a simpler method, is more accurate than maximum likelihood in inferring historical relationships among species. The results published in Nature challenge the state-of-the-art technique's accuracy and highlight its limitations.

Study links warm offices to fewer typing errors and higher productivity

A study conducted at Cornell University found that raising office temperatures from 68 to 77 degrees Fahrenheit resulted in a 44% decrease in typing errors and a 150% increase in typing output. The findings suggest that warmer temperatures can lead to increased productivity and cost savings for employers.

Northwestern University receives $7.5 million for regenerative medicine

Researchers at Northwestern University are using regenerative medicine to help paralyzed people walk again and enable diabetic individuals to lead normal lives without daily treatments or organ donations. The team is focusing on synthetic scaffolds and their interactions with cells, a key component of regenerative medicine.

Meta Quest 3 512GB

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

Mice thrive despite massive genetic makeover

Researchers deleted 2.3 million letters of DNA code from the mouse genome, but found no detectable changes in the resulting mice. The study suggests that the mammalian genome may not be densely encoded, challenging previous assumptions about the importance of non-coding DNA.

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.

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.

Bacteria-killing vs. bacteria-inhibiting drugs in treating infections

The Infectious Diseases Society of America states that endocarditis and meningitis are better treated with bactericidal drugs, while urinary tract infections can be effectively managed with bacteriostatic drugs. Corticosteroids are recommended for bacterial meningitis to prevent inflammation.

p110 delta: A key player in the allergic response

A study by Dr. Bart Vanhaesebroeck and his team found that inactivating p110delta in mast cells significantly reduces the allergic response seen in mice. Current therapies targeting symptoms rather than mast cell activation are insufficient, highlighting the need for targeted treatments.

Other highlights in the October 20 JNCI

A new study found that high birth weight is associated with an increased risk of childhood acute lymphoblastic leukemia (ALL) but not acute myeloid leukemia (AML). Researchers used data from health registers in four Nordic countries to conduct a case-control study involving over 2,000 children with ALL or AML and their siblings. They a...

Ductal lavage may not detect breast cancer

A pilot study found that ductal lavage detected only half of the cancers in breasts with known cancer. The procedure's effectiveness is limited by poor agreement between cytologic analysis and microscopic results. Mammography and physical examination remain the most effective methods of early detection.

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.

When good metals go bad

Researchers will model the behavior of individual atoms to gain a better understanding of stress corrosion cracking in metals. The goal is to prevent damage and create more corrosion-resistant materials, leading to safer structures and potentially even improved comfort for travelers.

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.