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Science News Archive February 2011


Page 23 of 25

Giant virus, tiny protein crystals show X-ray laser's power and potential

Researchers use X-ray laser to determine 3D structures of proteins and capture single-shot images of viruses, paving the way for snapshots and movies of molecules and microbes in action. The technique has the potential to decipher tens of thousands of protein structures and study infectious diseases.

Apple iPhone 17 Pro

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

Schizophrenia gene mutation found; target for new drugs

A gene mutation linked to schizophrenia has been identified and shows potential for treating the brain disorder with existing compounds. The mutation impacts a neuropeptide receptor VIPR2, which plays a crucial role in brain development and behavior.

Synthetic materials that behave like mollusk shells

Scientists at Northwestern University have developed new artificial composites inspired by nature's toughest material, nacre. The study reveals the secret to its remarkable properties and demonstrates how to replicate them in man-made materials.

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.

The 'death switch' in sepsis also promotes survival

A recent study by researchers at Rhode Island Hospital has found that the protein RIP1 plays a dual role in sepsis, promoting both cell death and survival. The study suggests that RIP1 is necessary for survival during septic injury, and its pro-survival trigger may hold key to developing new treatments for sepsis.

Children's genes influence how well they take advantage of education

New research suggests that measures of school effectiveness are partly influenced by genetic factors in students. The study found that changes in student performance over time must be explained not only by the quality of the school environment but also by genetic factors that children bring to the classroom.

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.

Painful hip fractures strike breast cancer survivors

Researchers found that breast cancer treatment contributes to weakened bones in middle-aged women, leading to hip fractures. Six breast cancer survivors were studied over a year, showing difficulty with daily activities despite not having osteoporosis.

Nitrate improves mitochondrial function

New research from Karolinska Institutet shows that nitrate improves mitochondrial function in humans, consuming less oxygen and producing more ATP per molecule. This finding has significant implications for sports physiology and may also have positive effects on diseases involving mitochondrial dysfunction.

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.

Prehabilitation better prepares patients for knee replacement surgery

Researchers at the University of Louisville developed an exercise program that improved leg strength and functional ability in patients with severe knee arthritis before knee replacement surgery. The study found significant gains in strength, but not in walking speed or other functional tasks.

An extra 5 years of life an unexpected benefit of osteoporosis treatment

A recent study found that people taking bisphosphonates for osteoporosis treatment live an extra five years compared to those not receiving the medication. This significant benefit is attributed to bisphosphonates' ability to reduce toxic metal release, which may contribute to improved health outcomes.

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.

Extreme X-ray pulses create unique image of intact virus

Scientists have successfully imaged an intact virus using extremely intensive and ultra-short x-ray pulses from the world's first X-ray free electron laser. This breakthrough technology enhances the possibilities of imaging individual biological molecules too small to study with conventional microscopes.

Screening for cervical cancer low for immigrant women

A study by St. Michael's Hospital found that only one in five South Asian immigrants over 50 had a recent Pap test, compared to 79% of Canadian-born women with high-income neighborhoods and primary care doctors. The low screening rates may be due to cultural factors and lack of awareness about the importance of the test.

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.

GSA Bulletin highlights: New research posted Jan. 21-28

Scientists evaluated steady fault slip rate over 25 thousand years along the Altyn Tagh fault, providing constraints for Quaternary slip history. Chironomids were used to record terrestrial temperature changes in Arctic interglacials of the past 200,000 years.

Older adults often excluded from clinical trials

A recent study found that more than half of clinical trials exclude people based on their age or age-related conditions. This exclusion leaves healthcare providers in the dark when determining which treatment will best serve their patients.

Field study of smoggy inversions to end

A field study has been conducted to investigate the causes of winter inversions in urban areas like Salt Lake City, which can trap pollutants and lead to poor air quality. The researchers used a range of methods, including weather balloons, cars, and gliders, to collect data on temperature, wind, and moisture.

NIH researchers identify genetic cause of new vascular disease

Researchers at the National Institutes of Health's Undiagnosed Diseases Program have identified a novel disorder characterized by progressive and painful arterial calcification affecting the lower extremities. The condition, associated with mutations in the NT5E gene, has been observed in nine individuals from three unrelated families.

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.

UMD advance lights possible path to creating next-gen computer chips

University of Maryland researchers introduce a technique called RAPID lithography that uses visible light to create tiny integrated circuits comparable to shorter wavelength radiation. This breakthrough could lead to substantial savings in cost and ease of production for companies like Intel.

Vegans' elevated heart risk requires omega-3s and B12

A review of vegetarianism's biochemistry finds vegans at elevated risk for blood clots and atherosclerosis. Key nutrients like omega-3 fatty acids and vitamin B12 can mitigate this risk with dietary supplements or fortified foods.

Mayo researchers pinpoint how 1 cancer gene functions

A Mayo Clinic research team has pinpointed the function of the MMSET gene, revealing how it enables disease-causing mutations to occur. Normally-functioning MMSET plays a restorative role within the genome, but when impaired, cells lose the correct response to DNA damage.

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.

The human genome's breaking points

A comprehensive analysis of human genomes identified 28,000 structural variants, including over 1,000 gene-altering mutations linked to diseases. The findings shed light on why some parts of the genome mutate more frequently than others.

Uterine health more important than egg quality

A new study published in Fertility and Sterility reveals that the health of a woman's uterus is more relevant than egg quality for a successful pregnancy outcome. The research found that babies born from frozen embryo transfer cycles had markedly greater birth weights compared to those born through standard IVF.

Rare meteorites reveal Mars collision caused water flow

Scientists have used rare Martian meteorite samples to reveal that a collision on Mars caused water to flow near the planet's surface. The research found veins created during an impact, which suggests that buried ice melted and deposited minerals such as clay and serpentine.

ESA members take part in National Bed Bug Summit

Entomologists presented various methods of bed bug control, emphasizing prevention and non-chemical approaches. The summit highlighted the need for continued research into bed bugs, with a focus on improving public awareness and community involvement in control efforts.

Meta Quest 3 512GB

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

Losing body fat before pregnancy can be beneficial for the baby

Researchers found that obese mothers who lost weight before pregnancy had healthier male offspring with reduced triglycerides and insulin resistance. The study suggests pre-pregnancy dietary intervention can reverse adverse metabolic effects of maternal obesity on offspring.

All in the family: Lower back disease may be in your genes

A large-scale study found a significant genetic component in the development of symptomatic lumbar disc disease, with individuals with the condition more likely to have family members with disc disease. The study's findings support a genetic basis for the disease, although shared environmental risks cannot be ruled out.

'Red mud' disaster's main threat to crops is not toxic metals

Scientists report that red mud's high alkalinity and salt content are the main threats to crop growth, not toxic metals or radioactivity. Adding gypsum can reduce alkalinity and accelerate salt removal, recommending long-term monitoring of metal levels in crops.

New nanoparticles make blood clots visible

New nanoparticles designed to target fibrin in blood clots can be seen with a new type of CT scanner, providing early detection and potential treatment options for heart attacks. This technology has the potential to save lives by quickly identifying unstable plaque and guiding targeted treatments.

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.

A protein reinforces memory and prevents forgetfulness

A research study published in Nature found that IGF-II protein increases in the brain of rats after a learning session, reinforcing memory and preventing forgetfulness. The protein is essential for memory formation and consolidation, making it a potential target for therapies enhancing cognitive function.

Migraine surgery offers good long-term outcomes

A study published in Plastic and Reconstructive Surgery found that nearly 90% of patients experienced at least partial relief from migraine headaches after five years. The surgery targets 'trigger sites' in the muscles or nerves producing pain, with significant improvements in quality of life.

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.

MicroRNA cocktail helps turn skin cells into stem cells

A team at Sanford-Burnham identified specific microRNAs that enhance the reprogramming process from skin cells to induced pluripotent stem (iPS) cells. Adding these miRNAs increases cell survival and improves iPS cell generation.

Flash of fresh insight by electrical brain stimulation

Researchers have discovered that electrical stimulation of the anterior temporal lobes can increase an individual's ability to reach fresh insights and solve complex problems. This breakthrough could potentially revolutionize the way we approach creative problem-solving.

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.

Biologists discover 'control center' for sperm production

A new study has identified DUO1, a genetic hierarchy that governs sperm cell production and fertility in flowering plants. The research found that DUO1 acts as a master switch to ensure twin fertile sperm cells are made in each pollen grain.

GOES-13 Satellite sees Groundhog's Day on ice

A massive winter storm hit the US, with some areas receiving record-breaking snowfall. The GOES-13 satellite data suggests that Punxsutawney Phil may not have seen his shadow, potentially altering the traditional Groundhog Day prediction.

Celestron NexStar 8SE Computerized Telescope

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

Six small planets orbiting a sun-like star amaze astronomers

The Kepler-11 system features five inner planets with masses between 2.3 and 13.5 times that of Earth, orbiting within 50 days, and a sixth planet with an orbital period of 118 days. The planets' densities suggest they may be mostly water or hydrogen-helium gases, defying expectations for small hot planets.

New age researchers highlight how man is changing the world

Researchers at University of Leicester introduce the Anthropocene, a geological epoch marked by significant human impact on the environment. The studies highlight effects of population growth, megacities, and fossil fuel use on global warming, sea level rise, and biodiversity.