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Science News Archive 2011


Page 5 of 311

Human skull study causes evolutionary headache

Researchers found that changes in one part of the skull were linked to changes throughout, challenging the idea of independent evolutionary events. The study used genealogical data and simulated shifts in skull shape associated with human evolution milestones.

Breast cancer and heart disease may have common roots

Research reveals that women at risk for breast cancer are also at a higher risk for heart disease due to mutations in the BRCA1 and BRCA2 genes. The study found that these genes regulate heart function and can lead to increased mortality rates after a heart attack.

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.

Sleep disorders common among police officers

A study found that 40% of police officers have a sleep disorder, such as obstructive sleep apnea or insomnia, which can lead to adverse health and safety outcomes. The study also showed that positive screening for any sleep disorder was associated with increased risk of depression, burnout, and accidents while driving.

Boron nanoribbons reveal surprising thermal properties in bundles

Researchers discovered that bundling boron nanoribbons can significantly increase their thermal conductivity. The flat surface structure of the nanoribbons allows for tighter contact between individual structures through van der Waals interactions, enabling efficient phonon transmission and enhanced heat transfer.

Which wheats make the best whole-grain cookie doughs?

A new USDA study identifies two inexpensive tests to evaluate promising wheat varieties for their potential as whole-grain cookie flour sources. The research confirms the reliability of the sucrose SRC test and milling softness equivalent test for early screening.

Apple iPhone 17 Pro

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

Better turbine simulation software to yield better engines

Dr. Chen's TURBO simulation software is being refined using Ohio Supercomputer Center resources to improve turbomachinery component design. The goal is to develop a reliable prediction technology to enhance engine performance and reduce costs.

Nanometer-scale growth of cone cells tracked in living human eye

Researchers at Indiana University have developed a method to measure microscopic changes in cone cells using optical coherence tomography (OCT) phase differences. They found the outer segments of cone cells grow at a rate of about 150 nanometers per hour, which is significantly faster than human hair growth.

Do you see what I see?

A team of researchers developed a computer model based on human neural structure and function to recognize shapes. The model, inspired by the hierarchical organization of the human visual cortex, successfully reproduced human performance in identifying shapes, opening up new ways to approach object detection problems.

Researchers use light to measure cancer cells' response to treatment

A Vanderbilt University team has created a new method to optically assess the response of cancer cells to a specific drug, using light to visualize metabolic pathways. The technique could enable real-time monitoring of tumor response and help doctors make timely treatment decisions.

SAMSUNG T9 Portable SSD 2TB

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Terahertz pulse increases electron density 1,000-fold

Researchers at Kyoto University have discovered a way to create ultra-high-speed transistors and high-efficiency photovoltaic cells using terahertz pulses. The study found that exposing gallium arsenide to a single-cycle terahertz pulse increased electron density by an astonishing 1,000-fold.

Boston University researcher awarded 2 NIH grants

Coogan will investigate the effects of air pollution on hypertension and diabetes incidence in African American women, using data from the Black Women's Health Study. The study aims to inform public policy on air quality regulation and provide insight into a novel pathway whereby air pollution causes cardiovascular events.

Are the anxious oblivious?

A Tel Aviv University study found that anxious people are less stimulated by fear-inducing images than non-anxious individuals, suggesting an under-reaction to subtle threatening stimuli. This leads to a 'surprise' reaction to fearful stimuli that non-anxious individuals have already subconsciously noticed and evaluated.

Single-sex vaccination is most effective at reducing HPV infection

Researchers found single-sex vaccination to be the most effective strategy for reducing human papillomavirus (HPV) infection rates. By vaccinating the sex with the highest pre-vaccine prevalence of HPV infection – typically females – immunity can be bolstered and herd immunity improved.

New take on impacts of low dose radiation

Researchers at Berkeley Lab found evidence of non-linear DNA damage response to low dose radiation, suggesting a non-proportional relationship between dose and cancer risk. The study used time-lapse live imaging to observe the formation of DNA repair centers, which may be an optimal way for cells to deal with sparse damage.

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.

Mediterranean diet gives longer life

A Mediterranean diet rich in vegetables and fish is associated with a 20% increased chances of living longer, according to a Swedish study that followed 70-year-olds for over 40 years. The H70 study found that those who consumed more meat and animal products had a lower chance of survival.

Ironing out the details of the Earth's core

Researchers at Caltech have conducted high-pressure experiments on iron to study its behavior under extreme conditions found in the Earth's core. They obtained unprecedented measurements of iron's vibrational properties, which will help estimate the amount of light elements in the core.

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.

Removal of lymph nodes during surgery for thyroid cancer may be beneficial

Researchers found that routine removal of neck lymph nodes during initial thyroid surgery for papillary thyroid cancer may lead to lower disease recurrence rates and lower levels of thyroglobulin, a thyroid tumor marker. This procedure may reduce the need for further surgeries in the critical central area of the neck.

Breastfeeding saved babies in 19th century Montreal

Research from Concordia and McGill universities found that breastfeeding protected infants from contaminated food and water, while also postponing the arrival of siblings, leading to improved maternal and child health. French-Canadian children who were weaned earlier faced a disproportionate number of deaths.

Climate sensitivity greater than previously believed

Researchers at the University of Gothenburg have collected new data that may lead to better climate models. Plant emissions are influenced by climate change, increasing the rate of biological processes and particle formation, which in turn affects cloud formation and precipitation.

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.

Scientists identify an innate function of vitamin E

Vitamin E helps repair tears in plasma membranes that protect cells from outside forces. Daily consumption of vitamin E is crucial to maintain healthy muscles and prevent conditions like muscular dystrophy and diabetes.

Hypertension treatment associated with long-term improvement in life expectancy

Patients treated with diuretic chlorthalidone had significantly lower death rates and longer life expectancy compared to placebo, according to a study published in JAMA. The researchers found that long-term antihypertensive therapy was associated with 1 day prolongation of life expectancy free from cardiovascular death per month.

Celestron NexStar 8SE Computerized Telescope

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

NPL models the extracellular matrix

Scientists at NPL developed a functional model of the native extracellular matrix, providing structural support for cells to aid growth and proliferation. The model could lead to advances in regenerative medicine by mimicking the complex nano-to-microscale structure of the ECM.

Self-healing electronics could work longer and reduce waste

Researchers at the University of Illinois have developed a self-healing system that can restore electrical conductivity to cracked circuits in less time than it takes to blink, allowing devices to work longer and reducing waste. The system uses microcapsules that break open and release liquid metal to fill in gaps in the circuit.

Frankincense production 'doomed' warn ecologists

Ecologists warn that frankincense production could be halved in the next 15 years as Boswellia tree populations decline dramatically. The study found that factors other than tapping, such as fire, grazing, and insect attacks, are contributing to the decline.

Geology research in Lund receives SEK 40 million

Lund University has received a total of SEK 40 million in funding for its geology and biology research. This includes SEK 25 million for Birger Schmitz's ERC-funded project Astrogeobiosphere, which explores the link between life on Earth and astronomical events.

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.

Estimating global malaria incidence

A study estimates global malaria incidence to be 225 million episodes worldwide in 2009, using routine surveillance data. The authors find that accurate surveillance is essential for monitoring progress towards the United Nations' Millennium Development Goals and controlling malaria outbreaks.

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.

Babies remember even as they seem to forget

Researchers found that infants retain an 'inkling' of object existence without remembering its shape. The study's findings shed light on brain mechanisms supporting memory in infancy and beyond.

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.

In hot water: Ice Age findings forecast problems

Researchers analyzed changes in ocean oxygenation at the end of the last Ice Age, finding a dramatic decline in dissolved oxygen concentrations. This suggests that climate change may lead to significant oxygen depletion in oceans, harming marine life.

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.

1 trait has huge impact on whether alcohol makes you aggressive

A new study found that individuals with a present-focused personality are more aggressive when intoxicated, while those who consider future consequences show minimal increase in aggression. The study involved 495 adults and used a computer-based speed reaction test to measure aggression.

Study reveals gender bias of prospective parents

A Queen's University study found that men prefer sons while women want daughters, despite cultural norms of gender neutrality. The results suggest an intrinsic desire to leave a legacy, with men envisioning this through male heirs.

Meta Quest 3 512GB

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Brain function - A new way to measure the burden of aging across nations

A new study measures brain function to assess the impact of aging on a nation's economy. Cognitive function is found to be a better indicator of the burden of aging than chronological age. The study suggests that education, nutrition, and health standards are key factors in maintaining cognitive ability across nations.

Lower classes quicker to show compassion in the face of suffering

Researchers found that people in lower socio-economic classes are more physiologically attuned to suffering and quicker to express compassion than their more affluent counterparts. This challenges previous studies that characterized lower-class individuals as prone to anxiety and hostility. The study suggests a culture of compassion am...

New insight into why locusts swarm

A protein linked to learning and memory plays a crucial role in driving desert locusts from harmless grasshoppers to destructive swarms. Researchers discovered that this protein acts as a molecular switch in social feedback loops, triggering the locusts' gregarious behavior.

Chemicals and biofuel from wood biomass

Aalto University researchers have developed a new bioprocess that uses only lignocellulose from wood biomass to produce chemicals and biofuel. This process avoids wasting any parts of the wood sugar and can be used in existing combustion engines without modifications.

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.

Potential concern about drugs in clinical trial

Researchers found that EET-enhancing drugs promote tumor growth and metastasis in mice, raising concerns about their use in humans. The findings suggest that these drugs could also worsen cardiovascular diseases.

Infrared technology for measuring the effect of fire on materials

Researchers developed an infrared-based method to measure material temperatures in the presence of flames, providing a clear picture of thermal behavior. This technique has applications in the aeronautical industry and can be applied in other sectors where fire resistance is crucial.

'Mindfulness' exercises help curb stress and fatigue associated with arthritis

A mindfulness-based group intervention significantly reduced stress levels and fatigue in patients with rheumatoid joint disease, with lasting improvements also seen. The study found no comparable reductions in the comparison group, highlighting the potential benefits of mindfulness strategies for managing arthritis-related distress.

GoPro HERO13 Black

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