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Science News Archive 2012


Page 193 of 333

New federal disclosure law may have little impact on drugs prescribed

A Colorado School of Public Health researcher found that a new federal disclosure law has little effect on the prescribing of certain medications, including statins and SSRIs. The study suggests that transparency is important but may not be enough to deter physicians from accepting payments from pharmaceutical companies.

Short movies stored in an atomic vapor

Researchers at Joint Quantum Institute store and replay two separate images, a feat of cinematography, using a room-temperature vapor of atoms. The new storage process has great promise for quantum information and may lead to the development of a random access memory for continuous variable quantum information.

New drug strategy attacks resistant leukemia and lymphoma

Scientists develop a synthetic peptide that disables cancer cells' survival defenses by targeting protein targets, suppressing cancer growth in mice. The compound's synergistic anti-cancer activity with other drugs holds promise for treating relapsed and refractory blood cancers.

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.

Gum disease joins hot flashes and PMS associated with women's hormones

A comprehensive review by Charlene Krejci found female hormones fluctuate throughout women's lives, allowing bacteria to grow and exacerbate conditions like bone loss and pre-term births. Women need to be vigilant about maintaining healthy teeth and gums to prevent or lessen severity of these health issues.

Embargoed news from Annals of Internal Medicine

The American College of Physicians Task Force recommends updating hormone therapy guidelines due to significant adverse events. Exercise and vitamin D supplementation are effective at reducing falls, but multifactorial risk assessment is not recommended for all elderly patients.

Working with solvents tied to cognitive problems for less-educated people

A study published in Neurology found that exposure to solvents can lead to cognitive impairment in less-educated individuals, while those with higher education levels remain unaffected. The study, which analyzed data from 4,134 workers, suggests that improving early education may protect against future cognitive decline.

Apple iPhone 17 Pro

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

PCB can increase risk of abdominal fat

A new study published in Obesity found a correlation between PCB exposure and increased distribution of body fat to the abdomen. Researchers analyzed data from over 1,000 70-year-olds and found that high levels of PCB189 were related to a high proportion of visceral fat.

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.

VTT researcher finds explanation for friction

A VTT researcher has provided an explanation for sliding friction between solid objects, attributing it to surface energy of materials. The discovery enables quantitative calculation of the friction coefficient and potential manipulation of friction by selecting specific surface materials.

U of M study finds titan cells protect Cryptococcus

Researchers discovered that giant cells called titan cells protect the fungus Cryptococcus neoformans during infection, shielding it from the immune system. This finding could lead to the development of new treatments for infections caused by Cryptococcus, a deadly concern for immunocompromised individuals.

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.

Family values

A new study demonstrates that female choice and faithfulness played a crucial role in human evolution, leading to the emergence of the modern family. The transition from promiscuity to pair-bonding was characterized by a reduction in male-to-male competition in favor of providing for females and close parental involvement.

Study provides new insights into structure of heart muscle fibers

Researchers at McGill University discovered that heart muscle fibers are arranged in a special 'minimal surface' called the generalized helicoid. This finding offers significant new understanding of heart-wall muscle fiber geometry and could be used to guide tissue repair after heart attacks.

Inequality dates back to the Stone Age

A new study by archaeologists from the Universities of Bristol, Cardiff and Oxford found that Neolithic farmers buried with distinctive stone adzes had access to better land than those without. The analysis revealed sex-biased mobility patterns and status differences among early European populations.

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.

Marine reserves provide baby bonus to fisheries

A groundbreaking study found that marine reserves can restock fish populations in areas open to fishing. The research tracked the dispersal of baby coral trout and stripey snappers from reserve sites, finding that up to 30km away, a significant proportion settled on reefs open to fishing.

NYU physicists devise method for building artificial tissue

Researchers at NYU developed a method to replicate the mechanical properties of tissues using an oil-in-water solution, mimicking cell-to-cell adhesion. This breakthrough has potential industrial applications in biocompatible products and pharmaceuticals.

Climate change led to collapse of ancient Indus civilization, study finds

A new study combines archaeology and geoscience to reveal that climate change was a key factor in the collapse of the ancient Indus civilization around 4000 years ago. The research suggests that weakened monsoon rains led to reduced river dynamics, contributing to the decline of cities and the shift towards small farming communities.

Less couch time equals fewer cookies

A Northwestern University study found that simply changing one bad habit, such as spending less time on the couch, can have a domino effect on other unhealthy behaviors. The most effective way to rehab a delinquent lifestyle requires two key behavior changes: cutting time spent in front of screens and eating more fruits and vegetables.

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.

New stem cell technique promises abundance of key heart cells

A new stem cell technique allows for efficient generation of abundant cardiomyocytes, critical heart muscle cells. This method is more efficient and robust than existing methods, promising a uniform alternative for research and pharmaceutical applications.

Engineered microvessels provide a 3-D test bed for human diseases

Researchers have developed engineered microvessels that can grow small human blood vessels in a 3-D structure, allowing for the study of disease progression and development of efficient therapies. The system shows promise in studying various diseases, including cancer, malaria, and clotting disorders.

Earlier detection of bone loss may be in future

Researchers at Arizona State University and NASA have developed a new technique for detecting bone loss using isotope analysis. This method is more sensitive than current X-ray methods and poses less risk to patients, making it a promising tool for early detection of diseases such as osteoporosis.

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.

Targeting tuberculosis 'hotspots' could have widespread benefit

Researchers found that reducing TB infections in geographic hotspots can significantly reduce citywide transmission rates by up to 29% over 50 years. Controlling these hotspots may have a similar impact on long-term, community-wide TB incidence as achieving the same targets in the remaining population.

Analyzing disease transmission at the community level

The study found that local variation in neighborhood immunity significantly alters the risk of dengue infection, even in highly mobile and dense urban populations. Infection with dengue provides lifelong immunity to the infecting serotype, but susceptibility returns, increasing the risk for severe disease.

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.

10 million years to recover from mass extinction

The end-Permian crisis, the most dramatic biological crisis in Earth's history, lasted for around 10 million years to fully recover. Life recovered slowly due to intense environmental shocks and grim conditions on Earth.

Land and sea species differ in climate change response

Researchers found that terrestrial species are less responsive to warm temperatures than marine species, which allows them to expand their ranges towards the poles. Climate change is also causing rare heat waves to set boundaries on where species can live.

Powerful new approach to attack flu virus

A new protein-based antiviral approach has been developed to combat deadly flu epidemics, neutralizing vulnerable sites on H1N1 and H5N1 viruses. This innovative method uses manufactured genes as therapeutics, designed using computer-aided design and optimized through DNA deep sequencing.

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.

Super-sensitive tests could detect diseases earlier

Researchers have developed a super-sensitive test that can detect signs of a disease in its earliest stages, enabling more reliable diagnosis. The new biosensor test uses nanoscopic-sized gold stars to detect specific molecules associated with diseases like prostate cancer.

Timing is everything

Researchers found that modern birds are living dinosaurs with skulls similar to those of their juvenile ancestors. By analyzing fossil evidence and CT scans, they discovered that a change in developmental timing led to the evolution of birds, enabling them to retain physical characteristics of baby dinosaurs into adulthood.

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.

Graphene-control cutting using an atomic force microscope-based nanorobot

Researchers have developed a closed-loop fabrication method to tailor graphene into desired edge structures and shapes. The technique uses interaction forces as real-time feedback, allowing for precise cutting control. This innovation has the potential to fabricate large-scale graphene-based nanodevices at low cost with high efficiency.

Proteomic analysis of immunocamouflaged surfaces

The study used proteomic techniques to analyze the effects of grafted methoxypoly(ethylene glycol) on plasma protein adsorption. Results showed that the polymer-mediated surface camouflage prevented immune recognition signals, enhancing biocompatibility and reducing alloimmunization.

Hazelnuts improve infant formula

Researchers at the University of Georgia have developed a new infant formula using hazelnut oil that better mimics the structure of human milk. This design improves the digestion and absorption of essential fatty acids, including DHA and ARA, which are crucial for infant development.

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.

UC San Diego researchers receive new CIRM funding

Researchers at UC San Diego have received over $12 million in new grants from the California Institute for Regenerative Medicine to develop stem cell-based treatments for various diseases. The awards will support projects that aim to repair gene mutations, find new drugs and regeneratin spinal cord injuries.

Autopsy of an eruption: Linking crystal growth to volcano seismicity

Scientists analyzed magma chamber crystals and correlated them with seismic signals from Mount St. Helens' 1980 eruption, revealing a clear connection between crystal growth and volcanic activity. This study could improve eruption forecasting by providing insights into the timing of magma input and pulses of seismicity.

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.

Inherited DNA change explains overactive leukemia gene

Researchers at Ohio State University Comprehensive Cancer Center discovered a small inherited change in DNA responsible for overactivating the BAALC gene, which is associated with poor treatment response in acute leukemia. The study found that high levels of RUNX1 protein are linked to high BAALC gene expression.

Tongue analysis software uses ancient Chinese medicine to warn of disease

Researchers developed a computer software that combines ancient practices with modern medicine by analyzing images of the tongue, indicating potential health issues. The software distinguishes between tongues showing signs of hot or cold zheng, which is associated with various symptoms such as fever, chills and loose stool.

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.

70 percent of women use contraceptives during their first sexual encounter

The study reveals a prevalence of 70.4% for contraceptive use during the first sexual encounter among Spanish women, with notable differences observed between regions and socio-economic groups. Factors such as education level and geographical location significantly impact contraceptive use in this context.