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Science News Archive March 2011


Page 1 of 28

EarthScope seismic sensors head east of the Mississippi

The EarthScope Transportable Array has reached a major milestone by installing its first station east of the Mississippi River in northwest Mississippi. This new station will continuously record ground motion from local, regional and global earthquakes for the next two years.

Getting closer to a better biocontrol for garden pests

USDA scientists found bacterial strains producing the enzyme urease survive longer when fed to caterpillars, making them more effective at controlling pests. Researchers tested 50 strains and found that urease-producing phenotypes survived better when repeatedly fed to gypsy moths.

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.

NHLBI funds 9 organizations to improve awareness of COPD

The National Heart, Lung, and Blood Institute (NHLBI) has awarded $383,000 to nine state and local organizations to enhance COPD education initiatives across the country. These organizations will focus on increasing awareness among at-risk populations and enhancing leadership for prevention and treatment.

Identifying the origin of the fly

The study identifies three periods of rapid evolution in the fly family tree, with mosquito, March fly, and common house fly branches emerging around 220, 175, and 50 million years ago. This research provides a framework for future comparative work on species critical to society and science.

2011 HFSP Nakasone Award for Michael Elowitz of Caltech

Michael Elowitz was awarded the 2011 HFSP Nakasone Award for his groundbreaking research on genetic noise, a concept that has transformed our understanding of cellular behavior. His work has shown that noise is not just a random variation but an essential element that enables core cellular functions.

Fluke 87V Industrial Digital Multimeter

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

Closer look at cell membrane shows cholesterol 'keeping order'

Researchers at NIST and University of California, Irvine, developed a way to magnify cell membranes up to 1,000 times resolution, revealing the importance of cholesterol in maintaining membrane order. The findings suggest that cholesterol may have profound consequences for gatekeeper proteins, which interact constantly with the membrane.

Biomedical engineers develop computational model to better understand genomes

Researchers have developed a computational model to clearly identify significant genome variations, which will aid in understanding the impact of such variations on cell functions and treatment outcomes. The approach was tested using Pseudomonas aeruginosa, a bacterium responsible for hospital-acquired infections, and showed promising ...

First broad-scale maps of life on the sea-shelf

Marine scientists compiled a directory of life on Australia's continental shelf, identifying 37 environmental factors shaping seabed life. The new maps and knowledge highlight complex patterns of biodiversity across the country's shelf habitats.

ALSPAC/Children of the 90s: 20 years old today

The ALSPAC project will investigate how behavior before birth, infancy, childhood, and adolescence affect adult health. Researchers will collect data from three generations: the original mothers and children, their adult offspring, and now, grandchildren.

Apple iPhone 17 Pro

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

Electronic faucets unsafe for use in high-risk patient hospital settings

A study by researchers at Johns Hopkins University School of Medicine found that electronic faucets carry high levels of bacteria, including Legionella spp., compared to traditional manually operated faucets. The findings led to the decision to replace electronic faucets with manual ones in clinical areas.

Human impacts on the marine ecosystems of Antarctica

A recent study warns that human impacts on the Southern Ocean are degrading its unique ecology, threatening native fauna. The researchers highlight various human activities causing harm, including pollution, overfishing, and climate change, which are altering food webs and endangering species.

Advance toward making biodegradable plastics from waste chicken features

Researchers create water-resistant thermoplastic from chicken feathers using methyl acrylate, resulting in films with excellent mechanical properties and resistance to tearing and water. The development aims to replace petroleum-based plastics with renewable resources, promoting sustainability and environmental responsibility.

Meta Quest 3 512GB

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

Novel nanowires boost fuel cell efficiency

Yale engineers have developed miniscule nanowires made of a novel material that boosts long-term performance in fuel cells. The nanowires' high surface area exposes more catalyst, increasing efficiency.

Are we really communicating uncertain climate risks?

Climate change communication has been ineffective in changing public opinion, with researchers arguing that the public lacks understanding of climate uncertainties. A new study suggests that a cross-disciplinary team approach and strategic listening can improve communication.

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.

Understanding fathering

Researchers are exploring how fathers contribute to their children's cognitive development, emotional well-being, and social skills. Studies will examine the role of fathers in rural American communities, Israeli families, and low-income African American households, shedding light on the often-overlooked impact of fathering on childhood

Expanding the degrees of surface freezing

Scientists have found that molecules in thin films remain frozen at a temperature where the bulk material is molten. This phenomenon, known as surface freezing, occurs at the buried interface between bulk liquids and solid surfaces, with temperatures ranging from 10 to 30 degrees Celsius above the melting point of the bulk material.

In hungry flies, sense of smell grows keener

A new study in flies reveals that the sense of smell plays a crucial role in controlling appetite. When flies are starved for hours, their insulin levels drop dramatically, increasing the sensitivity of odor-sensitive neurons.

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.

Immune therapy can control fertility in mammals

Researchers have developed an immune therapy technique that can suppress fertility hormones in females and males, potentially preventing pregnancy. The treatment could be used on dogs, cats, and other mammals, as well as humans with hormonal imbalances or conditions such as androgen excess syndromes.

New strategic plan for NIH obesity research seeks to curb epidemic

The NIH Strategic Plan for Obesity Research aims to curb the growing obesity epidemic by investigating key processes, understanding contributing factors, and designing new approaches for achieving a healthy weight. The plan also emphasizes education and outreach to move proven strategies into community programs and medical practice.

NIH investigators find link between DNA damage and immune response

Researchers have identified a connection between DNA damage and the regulation of inflammatory responses in humans. The study found that an injury to chromosomes alters the expression of Toll-like receptors, leading to inflammation. This discovery may lead to new treatments for inflammatory diseases and cancer.

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.

Green toad inhabited Iberian Peninsula 1 million years ago

A research study has found the first green frog fossil in Murcia, confirming the presence of the green toad in south eastern Spain at the end of the Early Pleistocene. The discovery provides key osteological clues and sheds light on the reasons behind its local extinction.

Overscheduled children and adolescents

Extracurricular activities affect children's and adolescents' mental health, with excessive involvement linked to depression, loneliness, and risky behavior. Research explores the threshold effect beyond which benefits stabilize or decline.

Getting a grasp on memory

A team of researchers found that half of all learned insights are consolidated in our memories, and the amygdala plays a crucial role in this process. The study used camouflage images to induce sudden insight, and participants' ability to identify the images was predicted by amygdala activity.

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.

A new signaling pathway of the immune system is elucidated

Researchers at Goethe University Frankfurt have elucidated a new signaling pathway in the immune system that regulates inflammation and chronic dermatitis. The discovery provides new avenues for therapeutic intervention and potential targeted therapy for patients with unclear origin.

Poop reveals an immigrant in Isle Royale wolves' gene pool

Michigan Technological University researchers found an immigrant wolf in Isle Royale's gene pool through DNA analysis of scat samples. The introduction of new genes led to a decrease in inbreeding and increased survival rates among the wolves.

Ants and termites boost dryland wheat yields

Studies by CSIRO and the University of Sydney found that ants and termites can increase wheat crop yields by up to 36% under low tillage conditions. The insects improve soil nitrogen and water infiltration, reducing runoff and evaporation. This breakthrough has significant implications for dryland agriculture in hot and dry climates.

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.

Study identifies promising target for AIDS vaccine

Researchers at Dana-Farber Cancer Institute have identified a promising target for an AIDS vaccine: the V3 loop of the virus's protein envelope. Immune system antibodies aimed at this loop may offer protection against multiple genetic subtypes of HIV-1, offering hope for a universally effective vaccine.

The brain against words in the mirror

Researchers discovered that the brain processes mirrored words automatically and unconsciously in a matter of milliseconds. This finding opens up new avenues for studying dyslexia and other reading problems.

Why stem cells don't just want to make neurons

Researchers have discovered that a gene called Sox10 coordinates the balance of cell types in healthy development. This means that it's difficult to get 100% of cells to become one type, even in lab conditions. The study suggests that understanding these balancing mechanisms is crucial for harnessing stem cells in medical applications.

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.

Micro-RNA blocks the effect of insulin in obesity

Research finds micro-RNAs play a role in type 2 diabetes mechanism, blocking insulin's blood-sugar-reducing effect. Obese mice produce excess miRNA-143, which silences genes responsible for insulin activation.

Pitt-Stanford research suggests aimless proteins crucial to disease

Researchers discovered that a supposedly inactive protein ROP5 plays a crucial role in Toxoplasma gondii's ability to cause disease, suggesting the possible role of similarly errant proteins in other diseases. The team engineered strains without ROP5 and found the pathogen was unable to cause disease in mice.

New nanomaterial can detect and neutralize explosives

A new spray-on material can detect and neutralize terrorist explosives, including peroxide-based substances like TATP. The ink-like material changes color and becomes a non-conducting material when exposed to explosives.

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.

Age-related conditions develop faster in adults with diabetes

Middle-aged adults with diabetes are more likely to develop age-related conditions like cognitive impairment, incontinence, and vision problems. The study found that those with diabetes developed these conditions nearly double the rate of those without diabetes.

Fruit fly's response to starvation could help control human appetites

Biologists at UC San Diego identified molecular mechanisms in fruit flies that enhance the nervous system's response to smell, potentially regulating human appetite. The discovery could lead to new ways to decrease overeating among obese individuals and increase appetites among the infirm.

Becoming a responsible citizen

Researchers worldwide investigate factors driving teen civic involvement, aiming to inform efforts boosting youth participation. The symposium in Montréal will explore how cultural, social, and individual elements influence civic engagement among adolescents.

Celestron NexStar 8SE Computerized Telescope

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

Ground broken for new green technology and fire safety facilities

NIST has broken ground on three new facilities: a net-zero energy residential test facility, an expanded National Fire Research Laboratory, and over 2,500 solar energy modules. The Net-Zero Energy Residential Test Facility will serve as a testbed for new home-scale energy technologies, while the National Fire Research Laboratory expans...

Repulsive smell could combat bed bugs

Researchers from Lund University and Mid Sweden University have identified a type of smell produced by bed bugs, known as alarm pheromones, which is repulsive to nymphs and potentially useful for controlling the pests. The study's findings suggest that the smells given off by adult and nymph bed bugs are surprisingly similar.

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.

Biological molecules select their spin

Research by Prof. Ron Naaman and colleagues reveals that biological molecules, such as DNA, can discern between quantum states of spin, a phenomenon previously thought irrelevant to their function due to their size and temperature. This chiral property enables them to selectively interact with electrons carrying specific spins.