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Science News Archive March 2012


Page 2 of 32

Childhood traumatic experiences associated with adult IBS symptoms

A new study found that children who experienced general trauma, physical punishment, and emotional abuse are more likely to develop irritable bowel syndrome (IBS) in adulthood. Emotional abuse was the strongest predictor of IBS, with a significant association observed mainly in women.

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.

CO2 was hidden in the ocean during the Ice Age

Researchers found that carbon dioxide accumulated in deep ocean during Ice Ages, causing atmospheric concentration to drop. Stored CO2 was later transported back to sea surface through changing ocean circulation and emitted into atmosphere.

Genes for learning, remembering, forgetting

Biologists identified Wnt signaling pathways that control nerve signal transmission, influencing synapse plasticity and adult brain function. The study found that these molecules also regulate addiction, schizophrenia, and mental disorders.

Breast cancer risk gene discovery fast tracked by new technology

Researchers have identified a new breast cancer risk gene, XRCC2, using advanced genetic sequencing technology. The gene's mutations explain a proportion of breast cancers that run in families with no known genetic cause, particularly those diagnosed at an early age.

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.

When dinosaurs roamed a fiery landscape

Researchers have found that fire was more widespread than previously thought during the Cretaceous period, potentially altering dinosaur communities. Charcoal deposits in fossil records indicate frequent wildfires, which could have exacerbated erosion and flooding.

PCBs levels down in Norwegian polar bears

A Norwegian University of Science and Technology study found that polar bear cubs in Svalbard have lower blood levels of PCBs and related contaminants, indicating a decline in exposure to these toxic chemicals. The levels of contaminants in mother bears' blood also decreased, suggesting reduced transmission from mothers to their cubs.

Apple iPhone 17 Pro

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

Rare animal-shaped mounds discovered in Peru by MU anthropologist

University of Missouri anthropologist Robert Benfer has identified numerous earthen animal effigy mounds in coastal Peru, dating back to 4,000 years ago. The mounds exhibit astronomical orientations, aligning with celestial events such as the Milky Way and summer solstices.

Greater traumatic stress linked with elevated inflammation in heart patients

A study of nearly 1,000 patients with cardiovascular disease found a direct correlation between lifetime traumatic stress exposure and elevated levels of inflammatory markers. The researchers also discovered that this relationship remained even after adjusting for psychiatric diagnoses, suggesting a long-term negative impact on health.

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.

How quantum physics could make 'The Matrix' more efficient

Researchers discovered a new way for quantum computers to simulate stochastic processes, which are used to model phenomena like stock market movements and gas diffusion. This finding suggests that quantum theory might not yet be optimized, leaving room for further exploration of a deeper theory.

Scientists refine Earth's clock

New research from the British Geological Survey and MIT refines the data used to determine how much time has passed since a mineral or rock was formed. The results show that minerals naturally capture uranium when they form, which in turn undergoes radioactive decays to other elements, allowing for more accurate age determinations.

Mites form friendly societies

A new study found that predatory mites who live among familiar neighbors are more efficient at finding food due to reduced stress. This social familiarity allows individuals to focus on other tasks, leading to increased productivity.

Tiny electrical sensors could signal faster MRSA diagnosis

Scientists have developed a simple test to identify MRSA in wounds that can detect the superbug quickly, enabling more effective treatment. The test uses tiny electrical sensors to analyze swab samples, potentially reducing laboratory processing time.

Fluke 87V Industrial Digital Multimeter

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

Countdown to 2015: Among interventions to promote maternal and newborn health in developing countries, early breast feeding is the most equitable intervention, with skilled birth attendance the least equitable

The study finds that early initiation of breastfeeding is the most equitable intervention among various maternal and newborn health interventions. Community-based interventions were more equally distributed than those delivered in health facilities, suggesting a need for targeted efforts to reach poorest individuals.

On the path to age-defying therapies

Researchers found that inhibiting only mTORC1, a protein complex regulating growth and differentiation, prolongs life in mice without adverse effects on glucose tolerance or insulin sensitivity. This discovery may lead to the development of a drug specifically targeting mTORC1 to promote longevity while preventing diabetes.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

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.

Being bilingual wards off symptoms of dementia

Bilingualism has been shown to improve cognitive reserve and sustain better cognitive performance throughout the lifespan, potentially delaying dementia onset. Lifelong experience managing multiple languages reorganizes specific brain networks, creating a more effective basis for executive control.

Newly identified stem cells may hold clues to colon cancer

Researchers have identified a new population of intestinal stem cells marked by the protein Lrig1, which appears to be relatively quiescent and acts as a tumor suppressor. This finding may hold clues to the origin of colorectal cancer and could lead to better understanding of its development and therapeutic targets.

Brain wiring a no-brainer?

A new brain imaging study has revealed a pervasive 3D grid structure with no diagonals, similar to the streets of New York City. The grid structure is continuous and consistent at all scales across humans and other primate species.

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.

Novel filter material could cut natural gas refining costs

A new iron-based metal-organic framework (MOF) can separate closely related components of natural gas, improving the distillation process. The material is capable of selectively adsorbing light hydrocarbons, reducing energy-intensive cooling steps and potentially eliminating them.

Unnecessary induction increases risk of complications

A University of Adelaide study reveals that unnecessary induction increases risk of cesarean sections and newborn treatments. Women with uncomplicated pregnancies are advised to wait for spontaneous labor between 38-39 weeks for lowest risk of adverse complications.

Elderly thyroid surgery patients at increased risk for postoperative complications

A recent study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that elderly thyroid surgery patients are at a higher risk for serious complications. The study examined 7,915 patients from the American College of Surgeons National Surgical Quality Improvement Program database and found that elde...

Plant research reveals new role for gene silencing protein

A study published in Science reveals that a gene silencing protein plays a crucial role in completing the transcription process, which is essential for successful gene expression. The research found that the protein helps to terminate transcription, forming the correct gene product.

Researchers identify mechanism that makes breast cancer invasive

A new study identified a key mechanism driving breast cancer invasion and linked it to ErbB2 amplification and cathepsin expression. This research offers insights into the molecular basis of ErbB2-induced malignancy and potential therapeutic targets for treatment-resistant forms.

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.

New seismic hazard assessment for Central America

A new study evaluates seismic hazards for six capital cities in Central America, with Guatemala City and San Salvador at highest risk. The study provides a regional seismic catalog and strong motion database updated to December 2010, supporting national seismic code revisions.

Scientists clone 'survivor' elm trees

Researchers at the University of Guelph have cloned American elm trees that survived Dutch elm disease epidemics, offering a potential model for preserving endangered plant species. The breakthrough could help reintroduce disease-resistant trees and conserve thousands of other endangered species.

Mom was right: It's what you know, not who you know

A new study from Tel Aviv University finds that intelligence is a more accurate predictor of future career success than socio-economic background. Intelligence was shown to have a direct correlation with an upward wage trajectory, indicating that it plays a crucial role in long-term career advancement.

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.

Dengue virus turns on mosquito genes that make them hungrier

Researchers found that dengue virus infection of mosquito salivary glands triggered genes involved in immune response, feeding behavior, and odor sensing. This may facilitate the spread of dengue fever to humans by making mosquitoes more efficient at finding and feeding on hosts.

Microprocessors from pencil lead

Researchers found a way to influence electron flow through graphene by mounting it on boron nitride, enabling more controlled electronic properties. The discovery creates hexagonal structures that prevent some electrons from passing through, opening up new possibilities for graphene-based microelectronics.

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.

First the smart phone, now the smart home

A smart home uses sensors and software to anticipate household needs, improving health and energy efficiency. Washington State University's Diane Cook envisions a future where homes can monitor elderly residents' activities and alert caregivers.

Ticks can adapt to the Spain's climatic diversity

A study by Spanish researchers confirms ticks' ability to adapt to climate, posing a risk to public health and animal conservation. The parasites carry exotic illnesses and increase the prevalence of endemic pathogens, especially in arid environments.

Revival of the American elm tree

A study published in Canadian Journal of Forest Research uses shoot buds from a century-old American elm to develop an in vitro conservation system, potentially providing disease resistance for future plantings. The culture system has been used successfully to establish a repository representing 17 mature American elms from Ontario.

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.

Titanium paternity test fingers Earth as moon's sole parent

A recent chemical analysis of lunar material and Earth samples suggests that the moon was formed solely from the Earth, contradicting the widely held theory of a giant collision. The research found identical titanium isotopic compositions between the moon and Earth, indicating a single parentage.

Culprit behind unchecked angiogenesis identified

The study reveals that defective Notch signalling enables strong and deregulated vessel growth even when VEGF or VEGFR2 are inhibited. A different VEGF family receptor, VEGFR3, is strongly upregulated, promoting angiogenesis.

Study finds HIV 'superinfection' boosts immune response

Women infected with two different strains of HIV experience more potent antibody responses that can block virus replication, offering insights into developing broad neutralizing antibodies for an HIV vaccine. The study suggests harboring a mixture of viral strains promotes a robust response.

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.

'Backpacking' bacteria

Researchers have created 'backpacking' bacteria that can carry micro- or nano-sized molecules or devices with useful properties. These biohybrid devices can move freely while carrying cargo, and the team plans to test their feasibility in laboratory experiments and potentially use them for diagnosing and treating diseases.