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Science News Archive August 2011


Page 14 of 27

Moon younger than previously thought

A team of scientists has re-dated a lunar rock sample from Apollo 16, concluding it is almost 100 million years younger than expected. The new age of 4.36 billion years suggests the Moon solidified later than previously thought, potentially making it much younger.

Milk better than water to rehydrate kids: McMaster study

A study by McMaster University found that milk is more effective than water or sports drinks in rehydrating children after exercise. Milk provides high-quality protein, carbohydrates, calcium, and electrolytes, helping the body retain fluid better and supporting muscle development.

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.

Researchers find way to align gold nanorods on a large scale

Researchers from NC State University have developed a simple, scalable method to align gold nanorods, which respond differently to light depending on their orientation. The team used electrospun polymer nano/microfibers to achieve long-range alignment of the nanorods at both nanoscale and larger length scales.

New nanostructured glass for imaging and recording

Scientists have created a new type of computer memory using nano-structured glass that can record and store data in a permanent form, revolutionizing medical imaging and material processing. The technology uses ultra-short laser pulses to imprint tiny dots in the glass, enabling precise imaging and manipulation.

NSF funds research to simulate geoscience field trips

College students with mobility impairments will explore a computer-generated simulation of Mammoth Cave, allowing them to meet degree requirements for field-based learning experiences. The project aims to create an interactive, virtual environment that is tailored to their abilities and provides a sense of realism.

Apple iPhone 17 Pro

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

Better mattresses improve care, cut hospital costs: U of T study

A U of T study found that upgrading to pressure-reduction mattresses can prevent 1,005 pressure ulcers and save $7.2 million in healthcare costs annually for elderly patients in Ontario's emergency departments. The cost of upgrading would be 30 cents per patient, resulting in a savings of $32 per patient.

A new look below the surface of nanomaterials

A new angle-resolved photoemission technique allows researchers to probe a depth of up to 20 times beyond the previous limit, providing more detailed information about electron motion and bonding in materials. This breakthrough enables studies of new types of materials for various applications.

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.

A tool to measure stress hormone in birds -- feathers

A Tufts University study found that analyzing bird feathers can detect corticosterone levels, a hormone linked to avian stress response. The technique provides a long-term snapshot of stress exposure and has implications for conservationists studying human impacts on wildlife.

MIT: Oxygen's watery past

MIT researchers found evidence that tiny aerobic organisms may have evolved to survive on extremely low levels of oxygen in oceanic 'oxygen oases.' Laboratory experiments with yeast suggest early ancestors could have thrived with minimal O2, reconciling a debate over early Earth's atmosphere.

How soft corals defy their environment

A team of researchers discovered that a single extracellular protein, ECMP-67, drives the formation of calcite in soft corals. This finding allows for understanding how these organisms thrive in environments where other species cannot survive.

Speaking and understanding speech share the same parts of the brain

Research finds speaking and understanding speech use same areas of the brain, with no involvement of motor regions when listening, contradicting previous assumptions. The study suggests that language-related problems may not always be independent, and offers new avenues for treatment.

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.

UofL's Ruth Carrico selected for National Nurse Fellowship

Ruth Carrico, an associate professor at the University of Louisville, has been named one of 21 RWJF Executive Nurse Fellows. The program aims to enhance nurse leaders' effectiveness in improving the US healthcare system, with a focus on addressing health care-associated infections.

UConn scientist develops sterile variety of invasive plant

A team of researchers at UConn has developed a seedless variety of the invasive plant Euonymus alatus, known as 'burning bush', which retains its attractive foliage but eliminates its ability to spread. This breakthrough could help restore the plant's popularity in commercial markets and mitigate its environmental impact.

Tsunami observed by radar

Scientists have successfully observed a tsunami using high-frequency radar, which can detect changes in ocean currents and track wave movement. This innovation could lead to improved early warning systems for coastal regions like Southeast Asia and the East Coast.

Zinc lozenges may shorten common cold duration

Zinc lozenges have been found to reduce the duration of common cold episodes by an average of 42% for trials using zinc acetate in high doses. However, low-dose zinc lozenges showed no effect on cold duration.

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.

Medication for severe, chronic gout associated with improvement in symptoms

A recent study found that pegloticase significantly reduces plasma uric acid levels and improves physical function and quality of life in patients with severe, chronic gout. The medication was effective in achieving the primary outcome in approximately 42% of patients, with significant improvements also seen in patient-reported pain.

Genomewide mapping reveals developmental and environmental impacts

A study published in PLOS Genetics found that thousands of genes affect plant adaptation to environmental challenges. The researchers used a genomewide association mapping approach to identify key genes involved in defense metabolism, revealing significant influences from both internal growth and external environments.

Soft coral builds strong reefs

A new study has found that soft corals, once believed to be minor contributors to coral reef structure, are actually a crucial component of the ecosystem. Soft coral skeletal elements called sclerites were discovered to make up massive parts of reefs in the South China Sea.

Cigarette smoking implicated in half of bladder cancers in women

A new study by the National Cancer Institute finds that cigarette smoking is responsible for about half of female bladder cancer cases, similar to the proportion found in men. The risk is higher than previously reported and may be due to changes in cigarette composition or smoking habits over the years.

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.

Mimicking biological complexity, in a tiny particle

Researchers at MIT have created a way to make microparticles of nearly any shape using temperature-sensitive materials, allowing for precise placement of drugs and cells. This technique enables the creation of artificial tissues that mimic natural tissue structures.

State of the art in health policy and systems research

The article critically examines the current challenges to the field of health policy and systems research (HPSR), emphasizing the need for exploratory and explanatory types of research. The authors call for greater attention to capacity building in low- and middle-income countries, supporting local policy development and health systems...

Defect in A20 gene expression causes rheumatoid arthritis

A defective gene can contribute to the onset of rheumatoid arthritis by disrupting inflammatory responses, and a new mouse model reveals this connection. Researchers identified A20 as a key player in controlling inflammation, suggesting it may be a target for developing new treatments.

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.

Any prime-boost mix of injected or spray flu vaccine shields toddlers

A new study by NIH-funded researchers found that a prime-boost mix of injected or spray flu vaccine provides the broadest immune response in young children. The study also found that nasal spray vaccine stimulates a wide array of immune T cells, which may be important for protection against diverse flu strains.

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.

Nature reaches for the high-hanging fruit

Scientists applied theoretical morphology techniques to study terpenes in plants, discovering a disparity between predicted and actual abundances. They found that nature favors rarer, harder-to-synthesize forms of these chemicals, which could lead to new effective drugs.

Switch in cell's 'power plant' declines with age, rejuvenated by drug

Researchers found a protein in mitochondria involved in energy regulation decreases with age, but is increased by losartan treatment, leading to lowered blood pressure and cellular energy usage. This discovery may lead to new treatments for mitochondrial-specific diseases like diabetes, Parkinson's disease, and frailty.

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.

Want to keep your exercise resolutions? New research offers pointers

A new study explores how cognitive strategies and abilities increase 'situation-specific self-confidence,' a quality that enhances exercise adherence. Participants who improved their executive function skills, such as multitasking and goal-setting, were more likely to stick with an exercise program.

Largest global childhood pneumonia etiology study launched

The Pneumonia Etiology Research for Child Health (PERCH) study aims to systematically look at current and likely future causes of childhood pneumonia in seven countries. The study will inform global efforts against pneumonia, the world's biggest killer of young children.

Cells derived from pluripotent stem cells are developmentally immature

Researchers found that human embryonic stem cell-derived cells bear striking differences from human tissue cells in gene expression, functionality, and appearance. The cells' developmental maturity is also a concern, particularly for transplantation and disease modeling, as they may not mature to the same levels as adult cells.

Meta Quest 3 512GB

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

Scientists show how gene variant linked to ADHD could operate

A study using mice reveals how a specific gene variant could contribute to attention-deficit hyperactivity disorder (ADHD). The researchers found that the D4.7 variant of the dopamine D4 receptor subtype was not able to interact with another brain region in a way that reduces glutamate release, leading to symptoms of ADHD.

Fat around heart may be early indicator of coronary disease

A study published in Radiology found that pericardial fat is more strongly related to coronary artery plaque than body mass index or waist circumference. This association suggests that fat around the heart may be an early indicator of coronary disease, particularly in overweight individuals.

Research identifies benefits of the open source software market

A study by Columbia Business School researchers finds that commercial open source software results in high-quality products, benefiting both consumers and producers. The model identified spillover effects of the market on social welfare, despite the free-riding inherent in the industry.

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.

'Methyl magnet' genes can cause family cancer risk

Tiny alterations in genes can act as magnets for biochemical tags, switching off anti-cancer genes and increasing cancer susceptibility. The study found subtle changes near the start of genes attract methylation, causing cancer development in families without spelling mistakes.

Fast asleep to wide awake -- hibernating bears, predation and pregnancy

A new study tracked wild black bears' heart rates throughout the year, revealing that they experience extreme variations in heart rate during hibernation. Pregnant bears showed increased heart rates as their pregnancy progressed, while mothers exhibited reduced movement after giving birth to prevent accidental harm to their cubs.

New research reveals brain's protection mechanism during stroke

Scientists have identified a natural protection mechanism in some brain nerve cells during stroke, which could be used to develop treatments to protect other nerve cell types. The research found that one type of nerve cell, the CA3 cell, is more resistant to stroke-induced damage and possesses a mechanism for reducing its susceptibility.

The burly bird catches the girl

Researchers found that male rock ptarmigans can run up to 50% faster than females due to superior physiology, enabling them to defend larger territories and successfully breed. This study highlights the importance of considering physiological factors in understanding animal behavior and breeding success.

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.

Malignant stem cells may explain why some breast cancers develop and recur

Abnormalities in breast cancer stem cells found in some cancers can lead to tumor development and recurrence, according to a recent study published by OHSU Knight Cancer Institute researchers. The study suggests that these mutated cells are resistant to chemotherapy and radiation, allowing the disease to recur.

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.