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Science News Archive January 2013


Page 25 of 27

Website launched to help patients prepare for complex medical decisions

A new online resource called PREPARE has been developed to help people make complex medical decisions through user-friendly content, videos, and a step-by-step process. The website addresses key aspects of advance care planning and decision making, providing concrete examples and tools for patients and their families.

Scripps physicians call for change in cancer tissue handling

Genetic sequencing technology is altering cancer diagnosis and treatment, but traditional specimen handling methods slow progress. Scripps physicians propose freezing tumor tissue to preserve DNA coding, potentially leading to better diagnoses and treatments.

Research update: Jumping droplets help heat transfer

MIT researchers have developed a coated surface with nanostructured patterns that increase the heat-transfer coefficient, allowing for more efficient condensation and reducing the need for expensive manufacturing processes. The technology has been shown to improve heat transfer in industrial plants by up to 30%.

Apple iPhone 17 Pro

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

Best evidence yet that dinosaurs used feathers for courtship

Researchers found evidence that some feathered dinosaurs, such as oviraptors, used their tail feathers to attract mates and engage in visual exhibitions. The discovery provides insight into the evolution of feathers in dinosaurs and their similarity to modern birds.

How prostate cancer therapies compare by cost and effectiveness

A comprehensive study analyzed 232 papers on prostate cancer treatments and found that surgery is the most cost-effective option, saving lives at a lower cost than radiation therapy. The analysis also showed that treatment plans for localized prostate cancer vary dramatically across different centers.

Breast milk contains more than 700 bacteria

Spanish researchers have discovered a diverse range of bacteria in breast milk, including over 700 species. The study found that mother's weight and labor type affect microbiome diversity, with heavier mothers having fewer bacteria in their milk.

Fluke 87V Industrial Digital Multimeter

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

Drainage ditches can help clean up field runoff

Vegetated drainage ditches have been shown to effectively capture herbicides and insecticides from field runoff, reducing their impact on downstream waterways. This innovative solution provides a cost-effective way for farmers to manage agricultural pollutants and protect natural resources.

Rainfall, brain infection linked in sub-Saharan Africa

Researchers found a significant link between climate and infant brain infections, with rainfall affecting the number of hydrocephalus cases. The study suggests that environmental conditions can quench bacterial infections, making some cases potentially preventable if understood better.

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.

Why good resolutions about taking up a physical activity can be hard to keep

Researchers discovered a key protein receptor plays a crucial role in motivation during physical exercise, explaining why many people struggle to stick to their fitness goals. The CB1 cannabinoid receptor regulates the brain's reward system, controlling how long individuals engage in voluntary physical activity.

Shifting the balance between good fat and bad fat

Sanford-Burnham researchers discover that protein p62 plays a crucial role in balancing metabolism in fat tissue. When p62 is missing, the body's metabolic balance shifts towards 'bad' white fat and away from 'good' brown fat. This finding indicates that p62 could be an attractive target for new therapies aimed at curbing obesity.

Markey receives grant to continue Jin Shin Jyutsu program

The University of Kentucky's Markey Cancer Center will continue the Jin Shin Jyutsu program in 2013 thanks to a $25,000 grant. The program, which uses ancient touch therapy, has shown significant improvement in pain, stress, and nausea for patients.

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.

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.

An embryo that is neither male nor female

A study published in PLOS Genetics reveals that insulin and IGF1/IGF2 growth factors play a vital role in sexual development. In the absence of these hormones, embryos fail to differentiate into male or female, highlighting their essential role in primary sex determination.

Dopamine-receptor gene variant linked to human longevity

A dopamine-receptor gene variant is associated with living a longer life, according to a study led by UC Irvine and Brookhaven researchers. The variant, DRD4 7R allele, blunts dopamine signaling and enhances individuals' reactivity to their environment.

Steroids that only nature could make on a large scale -- Until now

Researchers achieved a feat in synthetic chemistry by inventing a method to synthesize polyhydroxylated steroids, used in heart-failure medications and other drugs. The new strategy enables rapid modifications of hydroxylated steroids, which could help pharmaceutical chemists tweak natural toxins like ouabain.

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.

Editing the genome with high precision

Researchers have developed a new method for precisely altering the genomes of living cells, enabling targeted gene insertion and deletion with increased accuracy. This breakthrough technology has far-reaching potential applications in biofuel production, disease research, and therapy development.

Cholesterol medicine affects energy production in muscles

Researchers at the University of Copenhagen have identified a mechanism underlying statin-induced muscle pain, which may be related to low energy production in muscles due to Q10 depletion. Statins, commonly used to treat high cholesterol levels, can affect skeletal muscle function and lead to muscle weakness and pain.

Disinfection caps cut CLABSI cases in half

A study published in the American Journal of Infection Control found that using alcohol-impregnated disinfection caps on central line hubs reduced CLABSI cases by 52%. The intervention also led to significant reductions in infection rates and estimated annual preventable cases, suggesting a promising approach to improving catheter care.

Researchers: Online science news needs careful study

Researchers Dominique Brossard and Dietram Scheufele warn that online science news can narrow public discourse and color opinions, particularly through comments sections. They argue that scientists need to engage in active discussions across disciplines to effectively reach large audiences and ensure the dissemination of unbiased infor...

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.

Sorting stem cells

Researchers from Scotland have demonstrated a way to sort embryonic stem cells based on their electrical properties. The method uses electric fields to differentiate between undifferentiated and differentiated stem cells, which can be useful for biomedical research and potential treatments of diseases like Parkinson's.

A New Year's gift from NASA and Penn State

Astronomers from NASA's Goddard Space Flight Center and Penn State have released a vast image gallery featuring ultraviolet and optical images captured by the Swift satellite's Ultraviolet/Optical Telescope. The collection includes early images, stunning views of galaxies, and rare types of stars.

Meta Quest 3 512GB

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

Power spintronics: Producing AC voltages by manipulating magnetic fields

Researchers have developed a novel application of spintronics that converts magnetic energy to electric voltage efficiently and directly. The device utilizes magnetic nanostructures and manipulates magnetization dynamics to generate alternating current (AC) voltages from direct current (DC) magnetic fields.

Cup color influences the taste of hot chocolate

Researchers from Polytechnic University of Valencia and University of Oxford found that hot chocolate tastes better in orange or cream coloured cups. The study suggests that the colour of the container can influence consumers' perception of taste and aroma.

Carbon in Vesta's craters

Scientists find that impacting small asteroids delivered dark, carbonaceous material to the protoplanet Vesta. The material, found in craters and meteorites, suggests a link between giant impact basins and the delivery of essential building blocks for organic molecules.

Nanoparticles reach new peaks

Rice University researchers have found a way to selectively heat diverse nanoparticles using short laser pulses. They demonstrated the effect in common gold nanoparticles, nanoparticle clusters, and mixed nanorods and nanoshells, showing narrow photothermal spectra and spectral selectivity.

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.

Big brains are pricey, guppy study shows

A new study on guppies reveals that bigger brains come at a cost, with larger brain sizes associated with reduced reproductive output and smaller guts. The research supports the idea that relative brain sizes among species are shaped by a balance between selection for increased cognitive ability and the costs of a big brain.

Planets abound

A Caltech-led team estimated that there are at least 100 billion planets in the galaxy, with one planet per star, based on their analysis of the Kepler-32 system. The planets in this system are typical of those found around M-dwarf stars and may represent the majority of planets in the galaxy.

Rethinking bacterial persistence

Researchers at EPFL have developed a new tool using optofluidics to observe individual bacteria, revealing that persistent populations are dynamic and can adapt through mutation. This challenges traditional theories of bacterial resistance, offering new insights into the evolution of antibiotic efficacy.

NASA sees Tropical Depression Sonamu form near Philippines

Tropical Depression Sonamu forms in western North Pacific Ocean, located about 185 nautical miles northwest of Zamboanga, Philippines. The storm is expected to cross southern Palawan before moving into the open waters of the South China Sea.

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.

First meteorite linked to Martian crust

Researchers have identified a new class of Martian meteorite that likely originated from the Mars' crust, containing an order of magnitude more water than any other Martian meteorite. The unique meteorite, dubbed Northwest Africa (NWA) 7034, has similarities to but is distinct from other Martian meteorites known as SNC.

In epigenomics, location is everything

A study published in Cell Reports found that the position of a gene within chromatin affects its expression, contradicting the concept of a singular 'histone code'. The researchers inserted the same gene into 90 different locations in yeast chromosome and discovered significant differences in gene activity.

Study: Time pressure enhances thrill of auctions

A study by KIT scientists found that time pressure increases excitement in auctions, leading to higher end prices. Emotional responses, such as measured heart rates and skin resistances, play a significant role in bidders' decisions.

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.

How computers push on the molecules they simulate

Scientists at Berkeley Lab have identified a persistent error in computer simulations of molecular-scale motion, known as 'shadow work.' By accounting for this error, accurate calculations can be recovered. The research has implications for fields such as medical and biological research, new materials, and quantum mechanics.

Liquid jets and bouncing balls combine for surprising results

A team of researchers found that partially filled spheres exhibit a predictable first bounce but a thud-like second bounce. This phenomenon occurs due to the transfer of energy from the ball-liquid system into a liquid jet, which dampens the rebound force.

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.

Unconventional visualization method wins jury prize at media festival

A collaborative project by RDAV and University of Tennessee artist Evan Meaney has won the jury prize for Distributed Microtopias exhibition at FLEFF. The 'Null_Sets' artwork visualizes data size and structure using an open-source script, exploring the gap between data and information.

Improving DNA amplification from problematic plants

Researchers have developed a technique to overcome inhibitory plant compounds, allowing PCR to successfully amplify DNA from problematic plants. The additive TBT-PAR, containing trehalose, bovine serum albumin, and polysorbate-20, enhances PCR for DNA extracted from various plant species, including tropical and temperate species.

UC Riverside mathematicians recognized by American Mathematical Society

John Baez and John Huerta's paper, 'The algebra of grand unified theories,' received the prestigious prize for its groundbreaking work on group representation theory in particle physics research. The Levi L. Conant Prize recognizes outstanding expository research published in top mathematical journals.

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.

Your brain on Big Bird

Researchers used brain scans to study how children's brains develop intellectual abilities like reading and math while watching Sesame Street. The study found that children whose neural maps resembled those of adults scored higher on standardized tests, suggesting that the brain develops along predictable pathways as we mature.