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Science News Archive 2015


Page 234 of 402

UAB researchers design the most precise quantum thermometer to date

Researchers have created a nanothermometer capable of measuring temperature fluctuations in cells, achieving unprecedented precision. By combining thermodynamic tools with quantum metrology, they established the smallest possible fluctuation in temperature that can be measured.

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.

Archaeologists discover evidence of prehistoric gold trade route

Archaeologists have found evidence of a prehistoric gold trade route between the south-west of the UK and Ireland dating back to the early Bronze Age. The study reveals that gold was imported from Cornwall rather than produced locally, suggesting that it was traded for other valuable goods.

Moving sector walls on the nano scale

Scientists at ETH Zurich have developed a technique to manipulate domain walls in multiferroic materials, which could lead to new technologies in data storage and electronics. The discovery shows that domain walls can be selectively shifted or altered using electrical fields, paving the way for new applications.

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.

Tiny but precise: The most accurate quantum thermometers

Researchers developed the smallest and most accurate thermometer that can detect tiny fluctuations in microscopic regions, enabling applications in various fields. The study provides a full characterization of temperature estimators with maximum accuracy, shedding light on their margin of error.

NASA-NOAA's Suomi NPP satellite gets colorful look at Hurricane Blanca

The Suomi NPP satellite gathered infrared data on Hurricane Blanca, which was false-colored to show locations of the strongest thunderstorms. The image revealed two areas of coldest cloud top temperatures and strongest storms west-southwest and east-northeast of Blanca's circulation center.

Ten graduate students and postdocs receive GSA's DeLill Nasser Award

The Genetics Society of America has awarded the DeLill Nasser Award to ten early-career scientists, providing travel grants to attend conferences that enhance their career. The award recognizes excellence in genetics research and supports the professional development of recipients.

Apple iPhone 17 Pro

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

UC Davis awards $1 million to seed brain science research

The University of California, Davis has awarded a total of $2 million to five interdisciplinary teams to explore high-impact discoveries in brain science. The funding will enable researchers to conduct preliminary experiments and develop compelling data to support applications for Brain Initiative awards.

Personality shapes the way our brains react to eye contact

Researchers found that personality traits, particularly Neuroticism, affect brain activity in response to eye contact. Participants who scored low on Neuroticism exhibited approach-associated brain activity when looking at someone making eye contact, while those with high scores showed avoidance-associated patterns.

Fluke 87V Industrial Digital Multimeter

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

Ladybird colors reveal their toxicity

Research found that ladybird color reveals toxicity to predators, with more conspicuous species being less likely to be attacked. The study used modified cameras and artificial versions of each species to test predation risk, revealing that brighter colors act as warning signals.

DNA breakage underlies both learning, age-related damage

A new study found that DNA breakage is a natural process that allows the brain to learn and generate memories, but weakens with age. Researchers discovered that DNA damage can lead to increased expression of genes involved in learning and memory, which could be detrimental as we age.

Parent-reported symptoms gauge features of the food allergic disease EoE

Researchers have identified a validated tool to measure symptoms and impact in eosinophilic esophagitis (EoE), a severe food allergy. The Pediatric Eosinophilic Esophagitis Symptom Score (PEESS) v2.0 questionnaire corresponded with clinical and biologic features of EoE, suggesting that eosinophil activity and mast cells contribute to d...

New species of horned dinosaur with 'bizarre' features revealed

A nearly intact skull of a new horned dinosaur species, Regaliceratops peterhewsi, has been discovered in Alberta, Canada. The specimen features a crown-like frill with large pentagonal plates and a central spike, challenging current classification of horned dinosaurs.

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.

Is dietary supplementation appropriate for children with autism spectrum disorder?

A recent study published in the Journal of the Academy of Nutrition and Dietetics found that children with Autism Spectrum Disorder (ASD) often do not receive adequate nutrients from dietary supplements. Despite supplementation, many children with ASD still have deficiencies in essential vitamins and minerals such as calcium and vitami...

Davis Instruments Vantage Pro2 Weather Station

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Reprogramming of DNA observed in human germ cells for first time

A study published in Cell has described the comprehensive erasure of epigenetic information in early primordial germ cells prior to egg and sperm formation. However, researchers found that around 5% of DNA remains resistant to reprogramming, potentially contributing to conditions such as schizophrenia and obesity.

Clues to the Earth's ancient core

A study published in Earth and Planetary Science Letters reveals new insights into the Earth's early core by analyzing the magnetic signatures of mineral grains in ancient rocks. The findings, led by Michigan Tech geophysicist Aleksey Smirnov, shed light on the planet's mysterious past.

Applying research agendas to sport fishing

Scientists identify key research needs to ensure healthy populations of these prized game fish, including habitat conservation and genetic analysis. A holistic approach is needed to manage the impact of humans on fish populations.

Seven new miniaturized frog species found in the Brazilian Atlantic Rainforest

Scientists have uncovered seven new species of highly miniaturized frogs in the Brazilian Atlantic Rainforest, highlighting their vulnerability to extinction due to climate change. The discovery showcases the unique adaptations of these tiny frogs, with many exhibiting bright colors as a warning to potential predators.

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.

How dividing cells end up the same size

Researchers at Duke University found that the initial size of cells determines how much they grow before dividing into two, contrary to previous findings. This discovery was made possible by analyzing oscillations in cell growth and gene expression using a unique device that allows for single-cell analysis.

Unlocking nanofibers' potential

Researchers at MIT have developed a new technique for producing nanofibers that increases the rate of production fourfold while reducing energy consumption by over 90%. The technique uses tiny emitters to regulate fluid flow, resulting in uniform fibers even at high manufacturing rates.

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.

An initiation mechanism for dendritic spines discovered

Scientists identify protein MIM as a key player in initiating dendritic spines, which form the basis of neuronal connections. This discovery sheds light on the molecular mechanisms underlying brain diseases with altered dendritic spine density.

Decaying RNA molecules tell a story

Decaying RNA molecules provide a snapshot of how proteins are produced, with one end decaying while the other serves as a template for translation. Researchers have discovered that an enzyme degrading mRNA follows closely behind ribosomes, pausing at set points to allow translation to complete before degradation begins.

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.

An immune system marker for therapy-resistant prostate cancer

A team of researchers at Cold Spring Harbor Laboratory has identified interleukin-6 as a key player in driving aggressive and hormone therapy-resistant prostate cancer. The discovery holds promise for developing targeted treatments and improving patient outcomes.

Cheating amoebas reveal key to successful societies

A recent study published in Current Biology found that while cheaters do not take over populations, they also cannot ever fully be removed. By identifying how diverse societies prevent or cope with cheating, researchers can identify general principles about how to promote cooperation and prevent conflict.

Feeding caterpillars make leaves shine

Researchers visualized calcium signals in plants that spread systemically from attacked leaves to neighboring leaves, triggering a plant defense response. The study used transgenic Arabidopsis plants that emitted light energy when bound by calcium ions, allowing scientists to track the calcium flow in plants.

Meta Quest 3 512GB

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TSRI study: Hormone 'erases' male smell for female mice

Researchers at TSRI discovered that a hormone called progesterone blocks signals from male odor molecules in female mouse noses during diestrus, leading to 'male odor blindness' and altered behavior. This finding suggests new avenues for studying senses and behavior.

Cancer screening increase may reflect Affordable Care Act provision

Screening for colorectal cancer increased among lower-income and least-educated adults following the Affordable Care Act's removal of cost-sharing provisions. This increase was observed, particularly among Medicare-insured individuals, suggesting that ACA's provision may have contributed to the rise in screening rates.

Female mice are able to smell male pheromones only when ready to mate

Researchers found that female mice are unable to detect male pheromones until they enter the ovulation cycle, where hormones such as progesterone decrease and allow them to sense potential partners. This study highlights the nose's role in making important decisions about behavior influenced by hormonal signals.

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.

CU Anschutz study shows low-cost weight loss program has long-term results

A new study from the University of Colorado Anschutz Medical Campus found that a low-cost, non-profit weight loss program offers clinically significant and long-term weight loss results. The TOPS program, which costs just $92 a year, was shown to be effective in maintaining weight loss for over seven years.

Developing delirium in the ICU linked to fatal outcomes

A new study by Johns Hopkins Medicine researchers found that developing delirium in the ICU increases hospital stays and risk of dying, with risks doubled for brain dysfunction. The study also suggests potential causes of delirium include medication use and inflammation outside the brain.

New tool brings standards to epigenetic studies

Scientists developed ICeChIP, a new technique to calibrate chromatin immunoprecipitation (ChIP) experiments with an internal standard. This improves accuracy and reproducibility in epigenetic studies, enabling comparisons between experiments and discovery of new findings, including the prevalence of bivalency in stem cells.

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.

Vanishing friction

Researchers create system to manipulate atom spacing, tuning friction to a vanishing point, allowing for direct observation of individual atoms. This technique enables control over superlubricity, potentially boosting development of nanomachines, and has implications for controlling biological components.

New tropical tree species await discovery

A global analysis raises the minimum number of tropical tree species to 40,000 to 53,000 globally. The study's findings emphasize the importance of comprehensive conservation efforts due to the high extinction risk faced by rare and localized species.

Recovering predators create new wildlife management challenges

A recent study examines the resurgence of major predators on the US West Coast and in Yellowstone, revealing rising conflicts with humans and other species. The researchers suggest multi-species approaches to address these tensions and develop more effective management strategies.

Panel recommends improvements in estrogen testing accuracy

The Endocrine Society recommends improving the accuracy of estrogen testing methods for better patient care and research, particularly for hormone-related cancers and chronic conditions. The panel advises standardization of measurements through programs like CDC's.

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.

Lending a hand, or a paw -- what drives us to help others?

Researchers found that rats made prosocial choices 70% of the time, indicating a preference for helping others. The study suggests that biological mechanisms such as positive feelings and social sensitivity may drive prosocial behavior in both humans and rats.

Habitats contracting as fish and coral flee equator

Researchers found that corals and fish are migrating towards Earth's poles in response to climate change, with habitats shrinking as a result. Coral species can only nest in shallower depths at higher latitudes, limiting their range, while fish habitats will contract by about 20% due to decreased oxygen abundance.

Few opportunities to change

A new study reveals that ocean warming and oxygen loss will significantly impact marine life productivity, leading to a decline in species diversity. The researchers have developed a metabolic index to predict climate-related changes in geographic range and productivity for various species.