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Science News Archive December 2011


Page 8 of 23

Diabetes risk reduced among Latinos in UMass clinical study

A community-based diabetes prevention project in Lawrence, MA, taught healthy food choices and reduced pre-diabetes indicators in a Latino population. Participants who received lifestyle intervention had significant weight loss and clinically meaningful reductions in insulin resistance.

Celestron NexStar 8SE Computerized Telescope

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

Researchers assess effects of a world awash in nitrogen

A recent study found that humans have doubled the rate of nitrogen inputs into global ecosystems since the industrial era, with significant effects on water quality and coastal marine fisheries. The increased nitrogen levels can lead to reduced water quality, economic costs and even impact human sustainability.

New study shows promise for preventing preterm births

A new study found that applying vaginal progesterone to women at risk of preterm birth significantly decreased the odds of premature delivery. The treatment was effective in reducing both early and late preterm births, as well as hospitalizations and complications.

Apple iPhone 17 Pro

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

Key genetic error found in family of blood cancers

Researchers have identified a critical genetic mutation in patients with myelodysplastic syndromes, which can progress to leukemia. The mutation is found in nearly 9% of patients, increasing the risk of developing acute leukemia by almost three times. The study raises hopes for improved diagnosis and treatment of this blood cancer.

F. nucleatum enables breaking bond on blood vessels to allow invaders in

Researchers at Case Western Reserve University discovered that Fusobacterium nucleatum breaks the junctures in blood vessel cells, allowing bacteria like E. coli to invade the body. The oral bacterium triggers a cascade of signals that creates space for harmful invaders to enter the bloodstream.

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.

Penn study shows how B cells may generate antibodies after vaccination

Researchers at Penn Medicine discovered that B cells can produce unequal daughter cells through a process involving helper T cells and specific proteins. This finding may explain how lifelong antibodies are generated after vaccination, and could also shed light on the development of cancerous blood cells like leukemia.

Physics strikes the right note with classical musicians

A professor of physics, internationally renowned composer, and award-winning violinist create a series of classical compositions inspired by particle physics. The 'Particle Partitas' showcase the connection between subatomic particles and music, with a debut set to take place in the UK.

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.

Acid rain poses a previously unrecognized threat to Great Lakes sugar maples

A new study reveals that acid rain's impact on Great Lakes sugar maples goes beyond soil acidification. Excess nitrogen from acid rain slows microbial decay of dead leaves, creating a physical barrier for seedlings. This mechanism is expected to worsen as nitrogen deposition increases by the end of the century.

Heart failure study: Health-literate patients not always adept at managing care

A study by Purdue University found that health-literate patients with advanced degrees did not manage their heart failure symptoms better than those with lower literacy levels. Health literacy, a patient's ability to read and understand health information, was associated with proper daily care but not self-care management. The research...

Blood-sucking mosquitoes keep their cool

Researchers discovered that mosquitoes can control their body temperature by releasing cooling fluid during feeding, a strategy that protects them from heat stress and potential hosts' defenses. This finding has implications for controlling mosquito populations and diseases they spread.

Concordia University launches world's first Solar Simulator-Environmental Chamber

Concordia University has launched the world's first Solar Simulator-Environmental Chamber, a unique laboratory that will revolutionize solar energy applications and building standards. The chamber is part of the NSERC Smart Net-Zero Energy Buildings Strategic Network, which aims to increase the use of net-zero energy buildings in Canada.

Fluke 87V Industrial Digital Multimeter

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

Hide and seek signals

New research at the Weizmann Institute shows how blood vessel cells 'hide' signals from immune cells, only allowing those with special training to cross. This selective barrier prevents certain immune cells from reaching tumors near blood vessels.

Meta Quest 3 512GB

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

Meteorite shockwaves trigger dust avalanches on Mars

A team of researchers led by an undergraduate student at the University of Arizona has discovered that meteorite shockwaves trigger massive dust avalanches on Mars. The study found that shockwaves preceding the actual impact cause dust avalanches, revealing a new way impacts shape the planet's surface.

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.

Same-sex marriage laws reduce doctor visits and health care costs for gay men

A new study found that same-sex marriage laws in Massachusetts led to significant reductions in medical care visits and mental health care costs among gay and bisexual men. The study, which analyzed data from a large community-based health clinic, suggests that marriage equality may produce broad public health benefits by reducing stre...

In the genome, an answer to a mysterious movement disorder

A new study finds that nearly all individuals with paroxysmal kinesigenic dyskinesia (PKD) carry mutations in the PRRT2 gene, leading to abnormal neural communication and hyperexcitability. The condition can be well-controlled with existing drugs and often resolves with age.

NASA eyes power in Tropical Storm Washi, warnings in the Philippines

Tropical Storm Washi is expected to make landfall in Surigao del Sur early tomorrow afternoon and will bring heavy rainfall and gusty winds to the region. Residents are advised to prepare for the storm's arrival, as it has been classified as a Category 1 tropical cyclone with maximum sustained winds near 35 knots.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

12 finalists share more than $1 million in ONR STEM challenge funding

The Office of Naval Research has selected 12 winners from over 125 entries in its Sponsoring Scholars in Science challenge, with grants worth up to $100,000. The finalists will implement hands-on STEM projects, such as renewable energy systems and underwater energy harvesting technologies.

Lead levels in drinking water spike when copper and lead pipes joined

A new study by Washington University in St. Louis found that joining old lead pipes with new copper lines using brass fittings increases the amount of lead released into drinking water supplies due to galvanic corrosion. This can make the problem worse for safety-minded, lead-pipe-removal programs at water utilities across the country.

Study of skates and sharks questions assumptions about 'essential' genes

Researchers have found that elasmobranchs, including skates and sharks, lack a cluster of genes, HoxC, previously thought to be essential for proper development. This discovery challenges the assumption that all jawed vertebrates possess a full complement of nearly identical genes for critical aspects of development.

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.

Goddard scientists selected as participating scientists in missions

Five NASA Goddard scientists have been selected to participate in the Mars Science Laboratory (MSL) and Cassini missions. Dr. Jennifer Eigenbrode will study high-energy ionizing radiation on Mars' sediments, while Dr. Daniel Glavin will investigate amines of biological origin using new Sample Analysis at Mars protocols. Dr. Michael Smi...

Robotic therapy may provide lasting gains for immobilized stroke survivors

A new study found that robotic therapy can improve walking ability in severely impaired stroke survivors, with five times more patients able to walk without assistance. However, the benefits were only seen in the most severely impaired patients, highlighting the importance of patient selection for this type of treatment.

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.

Team designs a bandage that spurs, guides blood vessel growth

A team of researchers has designed a microvascular stamp that uses living cells to deliver growth factors to damaged tissues in a defined pattern. After a week, the resulting network of new blood vessels mirrors the pattern of the stamp's channels, demonstrating controlled growth and spacing.

Discovery of a 'dark state' could mean a brighter future for solar energy

Researchers at the University of Texas at Austin have discovered a way to capture hot electrons, increasing the efficiency of solar cells to 44 percent. By exploiting a 'dark state' in organic plastic semiconductor materials, they found that two electrons can be generated from one photon of sunlight.

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.

Multisensory integration: When correlation implies causation

Humans exploit correlation between signal temporal structures to decide which signals to combine. Multisensory integration occurs when auditory and visual streams have similar temporal patterns, resulting in improved precision and accuracy. This research highlights a key organizational principle for multisensory perceptual grouping.

Study takes aim at education-based death rate disparities

A study found that middle-aged adults with low education levels are twice as likely to die as those with higher education, despite progress in reducing health disparities. New causes of death are fueled by high rates of mortality among people with lower education.

New light on medicinal benefits of plants

The release of genetic data on medicinal plants could lead to discovering new drug candidates and increasing the efficacy of existing ones. Researchers have developed a collection of data that will aid in understanding how plants produce medicinally useful compounds.

Close family ties keep cheaters in check, study finds

Researchers found that cooperation among amoebae depends on their genetic relatedness, with low-relatedness populations exhibiting high cheating rates. The study suggests that population bottlenecks can stabilize cellular cooperation by eliminating diversity and restarting the population from a single cell.

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.

New biodiversity data publishing framework proposed

A new biodiversity data publishing framework has been proposed by the Global Biodiversity Information Facility (GBIF) to encourage and facilitate the sharing of biodiversity data. The framework aims to overcome barriers to access and publishing of data, making it the expected norm for biodiversity research.

I wanna talk like you (oo)

Researchers studied Campbell's monkeys and found that females pick up habits from each other through grooming and contact calls. The study suggests that human speech evolved gradually from ancestral primate vocalisations and social patterns, influenced by environmental factors rather than genetic predisposition alone.

New research could lead to enhanced MRI scans

Researchers at the University of Southampton are working on enhanced MRI scans that can detect cancerous cells before they cause health problems. The new technology uses hyperpolarization to create incredibly strong NMR signals that last long enough for scans, allowing for earlier detection of abnormalities.

Metabolomx test detects lung cancer from breath

A study published in the Journal of Thoracic Oncology found that a breath test using Metabolomx's colorimetric sensor array can detect lung cancer and differentiate between its types with high accuracy. The test shows promise as a non-invasive, rapid, and inexpensive companion diagnostic for early lung cancer detection.

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.