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Science News Archive January 2009


Page 12 of 19

Study of human tissue reveals potential colon cancer biomarker

Researchers at the University of Cincinnati have identified a potential biomarker for predicting colon cancer risk and progression. They found genetic hotspots that regulate gene expression, which could be used to identify individuals at higher risk of developing aggressive colon cancer.

Researchers find essential proteins for critical stage of malaria

Researchers at Johns Hopkins Malaria Research Institute identified saglin and TRAP as essential proteins for Plasmodium's invasion of the Anopheles mosquito salivary gland, a critical step in transmitting malaria to humans. This discovery could lead to novel approaches for disrupting the parasite's lifecycle and preventing malaria spread.

Physical activity, mood and serious mental illness

A new study from Indiana University suggests that meager levels of physical activity can significantly improve the mood of individuals with serious mental illnesses such as bipolar disorder, major depression, and schizophrenia. The study found a positive association between physical activity level and positive mood, particularly among ...

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.

Most support Alzheimer's research based on family consent

A new study led by Michigan Medicine suggests that older Americans are supportive of family surrogate-based research, which can aid in the development of treatments for dementia. The survey found that most respondents believed society should allow family surrogate consent and would participate in such research if needed.

Deplorable medical conditions in Gaza

The Lancet reports that Israeli attacks on Gaza are causing irreparable harm to civilian populations, with at least six medical personnel killed and numerous mobile clinics and ambulances damaged. The situation is further exacerbated by the blockade of health services, which contravenes international law.

Even stars get fat

A team of scientists discovered that blue stragglers, massive rogue stars found in globular clusters, are formed through a process known as stellar cannibalism. This theory is supported by observations of over 50 globular clusters and suggests that binary star systems play a key role in the formation of these stars.

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.

Free-range chickens are more prone to disease

Researchers found that free-range chickens are more susceptible to disease, particularly bacterial and parasitic infections. The study, published in Acta Veterinaria Scandinavica, suggests that this is due to the challenges of managing these systems, leading to higher mortality rates.

Exoplanet atmospheres detected from earth

Two independent groups successfully detected the thermal emissions of exoplanets OGLE-TR-56b and TrES-3b using ground-based telescopes. The detections are significant because they will continue to study hot Jupiters beyond the capabilities of the soon-to-be-retired Spitzer telescope.

Economic status affects obesity rates in Mexican-American and white women

A new study reveals that economic status in childhood affects the likelihood of obesity in later life for Mexican-American and white women. However, this relationship does not hold true for African-American women. The study found that higher education and income levels are associated with lower obesity rates among Mexican-American women.

Apple iPhone 17 Pro

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

'Stellar cannibalism' is key to formation of overweight stars

Researchers found that blue stragglers are the result of 'stellar cannibalism' where plasma is gradually pulled from one star to another to form a massive, unusually hot star. This process takes place in binary stars and helps resolve a long-standing mystery in stellar evolution.

Web site design affects how children process information

A recent study investigates the influence of website design on children's information processing and finds that age significantly affects this relationship. Younger children (ages 7-9) prefer a map to promote search accuracy, while older children (ages 10-13) use a content list more effectively.

Pediatric vaccine effectively prevents pneumococcal meningitis

A pediatric vaccine has been found to be highly effective in preventing pneumococcal meningitis, a deadly disease that affects young children. The vaccine, PCV7, protects against seven common pneumococcal types, accounting for over 80% of cases in young children, and has been shown to decrease rates by 30-64% in both children and adults.

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.

Study uses bone marrow stem cells to regenerate skin

A new study suggests that adult bone marrow stem cells can be used to construct artificial skin, advancing wound healing and potentially pioneering organ reconstruction. The engineered skin containing stem cells showed better healing, less wound contraction, and improved blood vessel development.

Brain mechanisms of social conformity

A study published in Neuron found that conflict with the majority opinion triggers a neural response in the brain's error-monitoring system, leading to long-term conforming adjustments. This mechanism is based on reinforcement learning and reinforces social conformity by signaling the most fundamental social mistake.

New model system may better explain regulation of body weight

A new mathematical model of physiological regulation of body weight suggests several steady states to which an animal's weight tends to gravitate, rather than a single set point. The model combines aspects of two competing theories and accounts for leptin resistance, suggesting new strategies for weight loss.

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.

Alcohol exposure in the womb affects 'teenage' booze behavior

Researchers found that rats exposed to alcohol during pregnancy are more attracted to the smell of liquor during puberty, and this effect persists into adolescence. Fetal ethanol exposure also changes how the odor and flavor of ethanol are perceived, making it more attractive to others.

Game of two halves leads to brain asymmetry

Research reveals that a competition between the two sides of the brain causes it to become asymmetrical. A protein known as Fgf8 acts as a magnet to attract nerve cells to one side, while another protein Nodal teams up with it to trigger asymmetric development.

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.

Scientists uncover evolutionary keys to common birth disorders

A study of the MSX gene family over 600 million years reveals duplication and diversification of protein regions as key to understanding certain birth disorders. The research provides a molecular explanation for disease patterns associated with cleft lip and palate.

Early childhood diet may influence future health

A new study published in the Journal of Physiology found that an early childhood diet may have a profound influence on adult obesity and diabetes. The research, led by Dr. Raylene Reimer, suggests that the composition of an infant's diet can alter the expression of genes involved in metabolism and weight regulation.

NASA climate scientist honored by American Meteorological Society

James E. Hansen, NASA's longtime director of the Goddard Institute of Space Studies, has been awarded the Carl-Gustaf Rossby Research Medal for his groundbreaking work on climate change and clear communication of scientific findings to policymakers. This prestigious honor recognizes his tireless efforts to raise awareness about global ...

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.

Biodiversity passes the taste test and is healthier too

A study funded by the Economic and Social Research Council found that cattle and sheep grazing on natural grasslands produce tastier, healthier meat with a richer diet. The research concluded that pasture-based farming is good for the environment and consumers, but needs stronger policy support.

Mass privatization in communist countries increased male mortality throughout 1990s

A study analyzing death rates among men of working age in post-communist countries found that mass privatization was associated with a 12.8% increase in deaths. However, countries that implemented slower reforms experienced lower mortality rates and fewer social costs. The authors conclude that caution is needed when macroeconomic poli...

Calories from home-cooked recipes grow over time

The USDA Center for Nutrition Policy and Promotion has reported a significant increase in calories in home-cooked recipes over time, with the iconic cookbook 'The Joy of Cooking' experiencing a 63% rise from its first publication to 2006. Small changes in recipe ingredients can have a substantial impact on nutritional content.

World breakthrough in treating premature babies

A six-year study found that administering high doses of Docosahexaenoic acid (DHA) to pre-term infants through breast milk or formula reduces significantly delayed mental development. Premature girls showed better mental development than boys, but the exact reason for this difference remains unclear.

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.

Exercise improves walking in peripheral arterial disease patients

A clinical trial from Northwestern University's Feinberg School of Medicine found that supervised exercise can improve walking endurance for people with peripheral arterial disease. Participants were able to walk an average of 69 feet further after six months of supervised treadmill walking, and reported a better quality of life.

Einstein researchers discover a protein that amplifies cell death

Scientists at Albert Einstein College of Medicine identified a small intracellular protein, p115, that helps cells commit suicide and is required for the pro-apoptotic function of the Golgi protein. This discovery could lead to drugs for combating cancer and other diseases characterized by overproduction of cells.

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.

'Window into the brain' reveals deadly secrets of malaria

A new study has found that build-up of infected blood cells in brain's narrow vessels leads to lack of oxygen, causing lethal damage. The research provides strong evidence for understanding why cerebral malaria is so deadly and may lead to new therapeutic measures.

Yale survey: Americans eager to reduce their energy use

A national survey found that Americans are ready to reduce their energy use, with half having taken action and a substantial number planning to do so. The main barrier is financial cost, highlighting the need for innovative financing models.

Fluke 87V Industrial Digital Multimeter

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

Energy-efficient water purification made possible by Yale engineers

Yale researchers create systems that harness the power of osmosis to harvest freshwater from non-potable sources and generate electricity from low-temperature heat. This innovative approach requires significantly less energy than traditional desalination methods, offering a sustainable solution for increasing global water supply.

Simply weird stuff: Making supersolids with ultracold gas atoms

Physicists at NIST and the University of Maryland have proposed a method for creating a supersolid, an exotic state of matter that behaves as both a solid and a friction-free superfluid. The team identified clear experimental signatures, verifying the simultaneous existence of these properties in ultracold atoms.

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.

Cell 'anchors' required to prevent muscular dystrophy

Researchers found that ankyrin-B protein plays a vital role in stabilizing microtubules and anchoring dystrophin to the muscle membrane, preventing cellular damage and death. The study provides new insights into the underlying mechanisms of muscular dystrophy.

Cognitive rehab helps people with acquired brain injury

A meta-analysis of cognitive rehabilitation studies suggests that treatments tailored to age, injury, symptoms, and time since injury are more effective. Cognitive skills training in specific domains like attention and visuospatial processing shows promise, while holistic approaches have limited benefits.

MIT develops camera for the blind

The portable device is relatively inexpensive, replacing expensive diagnostic equipment with light-emitting diodes. It allows visually challenged individuals to access the Internet, view friends' faces, and express themselves through photography.

Mobile phone use not associated with melanoma of the eye

Researchers examined the link between mobile phone use and uveal melanoma in a large study of 1,453 participants. No significant increased risk was found among regular users or those who used radio sets, suggesting that phone use may not be associated with this type of eye cancer.

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.

Tequila boom triggers social, environmental hangover in Mexico

The tequila boom has led to a surge in demand, causing companies to plant their own agave, marginalizing independent farmers and workers. The study highlights the need for sustainable production practices to be incorporated into the legal framework of geographical indications.

Novel technique changes lymph node biopsy, reduces radiation exposure

Researchers have developed a novel technique using photoacoustic tomography (PAT) and gold nanocages to noninvasively image sentinel lymph nodes (SLN) in breast cancer patients. This method reduces the need for invasive surgical biopsies and minimizes patient radiation exposure, offering a promising alternative for cancer diagnosis.

Race and gender determine how politicians speak

Researchers found that politicians' speech patterns reveal a social hierarchy, with black race and female gender assigned subordinate roles, while white males dominate. This study highlights the reproduction of racism and sexism in political discourse, affecting how leaders are perceived.

Voracious sponges save reef

Researchers have found that sponge cells in coral caves rapidly recycle dissolved organic material, providing essential nutrients for the reef's inhabitants. This process allows the reef to maintain itself despite limited space and nutrient availability.

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.