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Science News Archive November 2011


Page 27 of 28

Hospital tests reveal the secrets of an Egyptian mummy

A team of experts used cutting-edge diagnostic tools to analyze the ancient Egyptian mummy, discovering that it was a child from a wealthy family during the Roman period. The scans also found evidence of embalming techniques and the brain, heart, and lungs being left in the body.

Mediterranean diet and exercise can reduce sleep apnea symptoms

A Mediterranean diet combined with physical activity has been shown to improve some symptoms of sleep apnea, including reduced number of disturbances during REM sleep. This study found a greater adherence to the calorie-restricted diet and increased physical activity in the Mediterranean diet group compared to the prudent diet group.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Genome-scale network of rice genes to speed the development of biofuel crops

Researchers have created a genome-scale model called RiceNet to predict the functions of genes and gene networks in rice, accelerating the development of biofuel crops. The model, which encompasses nearly half of all rice genes, was developed using publicly available data sets and validated through experiments.

NIH study examines nicotine as a gateway drug

A landmark study in mice identifies a biological mechanism that could explain how tobacco products act as gateway drugs, increasing the risk of abusing cocaine. The study shows that nicotine primes the brain to enhance the behavioral effects of cocaine.

Developing unbiased measures of customer likes and dislikes

Researchers developed a method to measure customer emotions without relying on self-reporting, providing a more accurate assessment of brand attitudes. The study's findings suggest that companies can improve product development by incorporating such measures.

Research reveals autistic individuals are in fact superior in multiple areas

Recent research reveals that autistic individuals have superior cognitive abilities in perception and reasoning, challenging the long-held notion of autism as a deficiency. Autistic individuals like Michelle Dawson make significant contributions to scientific understanding through their unique perspectives and strengths.

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.

Geologists find ponds not the cause of arsenic poisoning in India's groundwater

A recent study published in Geophysical Research Letters found that perennial ponds are not a significant contributor to high levels of arsenic in India's groundwater. Instead, the researchers propose that organic matter contained in Holocene sedimentary basins is likely the source of the toxin, taking thousands of years to reach the a...

Texas A&M professor helping to unravel causes of Ice Age extinctions

A new study published in Nature reveals that neither climate change nor humans alone can account for the Ice Age mass extinctions. The research team found that different species responded differently to climate change and human impact, with some being extinct due to a combination of factors.

Highly selective catalyst developed for ring-closing olefin metathesis

Researchers at Boston College and MIT have developed a highly selective catalyst for ring-closing olefin metathesis, allowing the efficient synthesis of epothilone C and nakadomarin A, two potent anti-cancer agents. This breakthrough has major implications for the future of chemical synthesis.

Mysterious absorption lines could illuminate 90-year puzzle

Astronomers have identified 13 new diffuse interstellar bands with the longest wavelengths to date, which could help explain the presence of large organic molecules in space. The discovery supports recent ideas that these molecules, or 'carriers,' are hidden in interstellar dust clouds.

Celestron NexStar 8SE Computerized Telescope

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

Evolution offers clues to leading cause of death during childbirth

Researchers suggest that the placenta's invasiveness into the uterine wall may lead to increased blood loss at delivery. Biomarkers produced by trophoblasts could potentially predict risk, allowing women to make informed decisions about their birthing site and medical care.

Caltech researchers find pulsating response to stress in bacteria

Researchers at Caltech found that bacterial cells respond to stress by continuously flipping genes on and off, similar to a heater switching on and off. This pulsating mechanism, triggered by molecular fluctuations, could drive other cellular processes and reveal more about how life works.

Researchers roll out a new form of lighting

Researchers have created thin, flexible sheets of organic light-emitting diodes (OLEDs) using a low-cost 'roll-to-roll' printing process. This technology could revolutionize lighting by being used for everything from home and office tiles to windows that simulate sunrise and sunset.

Apple iPhone 17 Pro

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

Roads are detrimental to Europe's protected bats, new study finds

A new study by the University of Leeds reveals that major roads have a detrimental impact on bat populations, reducing activity and diversity. The research shows a strong correlation between distance from the road and bat activity, highlighting the need for effective mitigation measures to protect these protected species.

Vitamin D study suggests no mortality benefit for older women

A new study led by Brown University found that vitamin D does not confer benefits against mortality in postmenopausal women, contrary to previous beliefs. The study controlled for key health factors like abdominal obesity and found no association between high or low levels of vitamin D and reduced risk of death.

'Protein microarrays' may reveal new weapons against malaria

A new research technology is screening human blood serum samples for immunity to malaria-causing Plasmodium falciparum parasite proteins. Researchers found that young children are more vulnerable to malaria due to limited immunity to various protein variants.

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.

Digital media a factor in ferocity of political campaigns

A University of Missouri study finds that digital media is segmenting people into polarized interest groups, leading to nastier politics. Researcher Ben Warner recommends a balanced approach to information seeking to restore civility to political discourse.

Team discovers how a cancer-causing bacterium spurs cell death

A study published in Proceedings of the National Academy of Sciences reveals how Helicobacter pylori bacteria disrupts mitochondrial function to induce cell death. The researchers found that the bacterial toxin VacA recruits a host protein to activate apoptosis, a process linked to cancer development.

Starving prostate cancer

Researchers at Centenary Institute found prostate cancer cells have more pumps than normal, allowing them to take in leucine and outgrow normal cells. Disrupting these pumps slowed cancer growth by as much as 50%, offering hope for a treatment that slows tumor growth without surgical removal.

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.

Physical activity reduces the effect of the 'obesity gene'

A new study published in PLOS Medicine found that physical activity can substantially reduce the effect of the FTO gene on obesity risk. The research, which analyzed data from over 218,000 adults, showed that individuals who were physically active had a nearly 30% weaker association with the FTO gene compared to those who were inactive.

JCI online early table of contents: November 1, 2011

Scientists discover a possible therapy for hereditary sensory and autonomic neuropathy type 1, reversing toxic molecule accumulation in mice. Additionally, researchers design minihepcidins to reduce iron overload by mimicking the natural protein's ability to lower blood iron levels.

Growing without cell division

Researchers at the University of North Carolina Health Care have identified the regulatory mechanism behind cell polyploidy, a phenomenon observed in plants and insects. The discovery may lead to new insights into liver regeneration and disease treatment.

Meta Quest 3 512GB

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

Radiologists: Going green with small, simple step

Researchers found that shutting down radiology workstations and monitors after an 8-hour shift can save substantial energy and costs. By doing so, they reduced their energy consumption by 76.3% and saved $9,225.33, mainly due to the shutdown of standby equipment.

Radiologists, primary users of non-cardiac ultrasound

A nationwide study found that radiologists performed 55% of non-cardiac ultrasound studies in 2009, while non-radiologists accounted for 41%. The role of radiologists in non-cardiac ultrasound is strong but may be impacted by miniaturization of ultrasound equipment

Preterm birth rate shows three year improvement in most states

The US preterm birth rate has improved by nearly 5% between 2006 and 2009, with 40,000 more babies receiving a healthy start in life. This improvement is attributed to various health interventions and treatments, including progesterone, which have reduced medically unnecessary c-sections and inductions.

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.

Lessons to learn from community land ownership in Scotland

Community land ownership in Scotland has been found to stimulate businesses, affordable housing, and infrastructure projects, bringing new people and increasing employment. Local decision-making is crucial for building resilience, with communities able to overcome challenges through their own resources or external connections.

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.

Cellular repair could reduce premature aging

A study led by Durham University has identified a potential drug therapy for premature ageing diseases, including Hutchinson Gilford Progeria Syndrome. The treatment, N-acetyl cysteine (NAC), controlled oxidative stress and DNA damage in cells, suggesting a possible model for understanding processes that cause us to age.

Switching senses

Researchers at Caltech found that leeches rely on two distinct methods to detect prey: hairs detecting water disturbances and simple eyes picking up passing shadows. In adulthood, the preference shifts to using water disturbances alone.

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.

Crowdsourcing nutrition in a snap

PlateMate's calorie estimates have proved accurate like those of trained nutritionists and more so than users' logs. The research was presented at the 24th ACM Symposium on User Interface Software and Technology, a leading conference on human-computer interaction.

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.

4 projects target cystic fibrosis with Hunt for a Cure funds

Four Michigan State University researchers are working on new projects to combat cystic fibrosis, using funds from the $110,000 grant from Hunt for a Cure. The studies aim to develop new treatments and prevent bacterial infections, with a focus on understanding the role of molecules, genes, and biofilms in the disease.

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.

Drying intensifying wildfires, carbon release ninefold, study finds

A new study by University of Guelph professor Merritt Turetsky and colleagues found that draining northern wetlands leads to severe peatland wildfires, releasing nine times as much carbon into the atmosphere. This discovery highlights the importance of cumulative impacts on peatland ecosystems and their role in the global carbon cycle.

Crop sensors outdo farmers at choosing nitrogen rates

Crop sensors outperformed farmers in choosing nitrogen rates for corn fields, resulting in average yield increases of almost 2 bushels per acre. The technology reduced excess N applied by 25% without harming yields, offering a potential solution to environmental concerns about fertilizer pollution.

Catch the fever: It'll help you fight off infection

A recent study published in the Journal of Leukocyte Biology found that mild fever-range hyperthermia enhances the generation and differentiation of CD8+ cytotoxic T-cells, which can destroy virus-infected cells and tumor cells.

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.

Many radiologists disagree on management of incidental findings, study finds

A recent study by the American College of Radiology found that many radiologists disagree on managing incidental findings on body computed tomography (CT) scans. Despite advances in CT resolution and increasing utilization, published guidelines are still emerging, leading to a lack of agreement among radiologists.

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.

Toronto-based genomics center gets $5 million injection

The Ontario Genomics Institute's Toronto Centre of Genomic Services (TCAG) has received a $5 million injection to continue providing cutting-edge genomic services. Led by Dr. Stephen Scherer, TCAG supports over 1,600 labs worldwide in various disciplines.