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Science News Archive 2009


Page 237 of 277

Diverse skills, personalities aid top management teams -- up to a point

Research by Christophe Boone and Walter Hendriks found that IT firms with diverse expertise and work experience tend to be more effective in managing organizations. In contrast, personality diversity hinders firm performance. The study suggests using carefully designed personnel selection techniques to screen for knowledge and experience.

Economic research receives further funding boost

The Economic and Social Research Council (ESRC) has awarded £16.5m in funding to three new Centres of Excellence, with a focus on the economic wellbeing of the UK. The centres will conduct research on globalisation, macro-economic growth, and the impact of immigration on growth and wellbeing.

Second, more realistic estimate can reduce planning and purchasing errors

Researchers at Duke University's Fuqua School of Business and the Wisconsin School of Business found that people are consistently overly optimistic when predicting future behavior. By asking individuals to make two sets of predictions - one ideal and one realistic - participants reported more accurate estimates and improved decision-ma...

Study identifies new gene associated with ALS

Researchers identified a novel gene, FUS/TLS, associated with inherited amyotrophic lateral sclerosis (ALS), the fourth gene implicated in familial forms of the disease. Mutations in this gene lead to abnormal protein deposits in motor neurons and are linked to varying inheritance patterns and severity.

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.

Study: Soybean oil reduces carbon footprint in swine barns

Soybean oil has been found to reduce greenhouse gas emissions by an average of 20% in methane emissions and 19% in carbon dioxide emissions when sprayed inside swine finishing barns. The study, conducted at a northern Missouri farm, also showed a significant reduction in particulate matter.

Apple iPhone 17 Pro

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

Spun-sugar fibers spawn sweet technique for nerve repair

Researchers at Purdue University have developed a novel technique using spun-sugar filaments to create synthetic tubes that mimic natural nerves. The scaffolds can promote nerve regeneration by acting as bridges between severed nerves, and may also be used to repair blood vessels damaged by disease.

New discovery gives tuberculosis vaccine a shot in the arm

A new study published in the Journal of Leukocyte Biology suggests that interferon can improve the effectiveness of the current tuberculosis vaccine by enhancing dendritic cell function. The research found that type I interferon stimulated dendritic cells to produce a stronger immune response against Mycobacterium tuberculosis.

A little bit of spit reveals a lot about what lives in your mouth

A global survey of salivary microbes found that the oral microbiome diversity among individuals is similar to that among people from different parts of the world. The study, led by Dr. Mark Stoneking, analyzed bacterial gene sequences from saliva samples from 120 healthy subjects across six geographic areas and compared them with a dat...

Modern lifestyle prevents tooth decay

Research reviews scientific evidence on tooth decay, concluding that good oral hygiene and fluoride toothpaste practices override the effects of food alone. Lifestyle factors such as regular brushing and dental health education are essential in preventing tooth decay.

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.

Desert ants smell their way home

Research by Max Planck Institute for Chemical Ecology reveals that desert ants, like Cataglyphis fortis, utilize a combination of visual landmarks and unique scent signatures to guide them back to their nests. This groundbreaking study challenges the long-held notion that these ants rely solely on self-generated pheromone trails.

Analysis of fresh strawberries reveals consumer preferences

A recent study reveals that consumer preferences for fresh strawberries are linked to a complex balance of sweetness, aroma, texture, and appearance. The research found that certain strawberry cultivars, such as 'Rubygem' and 'Sugarbaby', were favored by panelists due to their high flavor and sweetness ratings.

Cell microenvironments hold key to future stem cell therapies

Scientists have created unique microenvironment microarrays that reveal how adult stem and progenitor cells develop in a woman's breast. They found that the ultimate fate of these cells depends on signals from multiple microenvironments, suggesting a promising pathway for beneficial therapies.

Drug improves mobility for some MS patients

A Phase 3 clinical trial found that fampridine improves walking ability in some individuals with multiple sclerosis, with 34.8% of participants experiencing a significant increase in walking speed. The study suggests that fampridine could represent an important new treatment for MS-related mobility issues.

Fampridine improves walking ability in some patients with multiple sclerosis

A Phase III study found that fampridine improved walking speed and leg strength in patients with multiple sclerosis. The drug also showed promise in reducing fatigue and improving endurance. However, adverse events were reported in some patients, highlighting the need for further research on its treatment profile.

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.

Scientists discover why teeth form in a single row

Researchers uncover how opposing genetic forces determine the correct pattern of tooth formation in mammals, revealing a potential pathway for tooth regeneration and combating birth defects. The study's findings suggest that careful regulation of competing pro- and anti-tooth initiation signals controls the sequence of tooth development.

Busy Bs: Lymphocyte uses multiple mechanisms to shape immune response

Research shows B cells produce critical regulatory chemicals called cytokines and amplify T cell dependent immune responses to protect against intestinal parasite Heligmosomoides polygyrus. B cells also promote the production and long-term maintenance of essential T helper 2 cells, which are crucial for protection from this pathogen.

Antibiotic combination defeats extensively drug-resistant TB

Scientists have found a two-drug combination that inhibits the growth of susceptible laboratory strains and 13 XDR-TB strains, offering a new hope for treating this deadly form of tuberculosis. The drugs work together to target a bacterial enzyme, β-lactamase, which shields TB bacteria from antibiotics.

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.

Effective mentoring critical to HIV/AIDS research efforts

The UCSF-GIVI CFAR's mentoring program uses innovative strategies like 'trans' mentoring to support early-career investigators. The program aims to retain and optimize productivity of these researchers, addressing concerns about lack of access to funding and support for clinician scientists.

Prehistoric global cooling caused by CO2, research finds

A team of researchers found evidence of widespread cooling in Antarctica around 35 million years ago, which was caused by a significant drop in greenhouse gases, particularly CO2. The study used computer modeling and temperature proxies to determine the cause of the cooling.

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.

U of I study shows benefits of hormone found in fat tissue

A University of Illinois study has found that a hormone present in fat tissue plays a key role in regulating the immune system and aiding recovery from hypoxia. Leptin triggers an increase in anti-inflammatory molecules, leading to faster recovery times in obese mice.

Houseplants increase quality of life for retirement community residents

A study by Claudia C. Collins and Angela M. O'Callaghan found that caring for houseplants can have positive effects on residents' happiness and overall sense of well-being. The 4-week study involved interactive horticulture classes, resulting in improved mastery, self-rated health and a general feeling of success.

Study examining role of genetics and environment in type 1 diabetes

The Environmental Determinants of Diabetes in the Young (TEDDY) study is expanding to enroll 200 newborns from Georgia and Florida with high-risk genes for type 1 diabetes. Researchers will monitor participants for 15 years, collecting data on genetic and environmental factors that contribute to the disease.

Ethnic differences found for fatty liver disease and insulin resistance

A new study published in Hepatology found that African-Americans are more resistant to fatty liver disease and insulin resistance, particularly when it comes to triglyceride levels. The research suggests an 'insulin resistance paradox' where African-Americans exhibit lower insulin sensitivity despite similar body fat distributions.

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.

Cross-dressing rubidium may reveal clues for exotic computing

Scientists at NIST's JQI have successfully created ultracold rubidium atoms that exhibit cyclotron motions identical to charged particles in a magnetic field. This breakthrough has the potential to reveal clues for exotic computing and understanding of the fractional quantum Hall effect.

First Lithosphere media highlights -- February 2009

The first issue of Lithosphere features studies on Holocene surface ruptures in New Zealand, a fluid factory in solid Earth, and the erosion of the Wasatch Mountains. Researchers found evidence of five surface-rupturing earthquakes in New Zealand and proposed a new model for fluids in Earth's interior.

AGU journal highlights -- Feb. 25, 2009

Research papers highlight the impact of melting glaciers and ice caps on sea levels, with a minimum of 180mm of rise expected in the next 100 years. Additionally, studies show the widening of the tropical belt due to human environmental effects and an underestimation of ozone abundance in the troposphere.

Reproductive factors may protect women from Parkinson's disease

A new study found that women with a longer fertile lifespan and more years of exposure to their own sex hormones may be protected from Parkinson's disease. Women with four or more pregnancies were at greater risk of developing the disease compared to those with fewer pregnancies.

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.

CANTAM 1st African Network of Excellence for clinical trials

The CANTAM network, the first EDCTP-funded regional Network of Excellence, aims to build research capacity in Central Africa. Partner institutions from Cameroon, Congo, Gabon, Tanzania, and Germany will collaborate to conduct clinical trials under best practices.

Predicting risk of stroke from one's genetic blueprint

Researchers developed a statistical model using genetic information from 569 patients, predicting an individual's lifetime risk of cardioembolic stroke with 86% accuracy. The model identifies interactions between multiple genetic factors and provides a network of predictive factors contributing to stroke.

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.

Molecular Oncology accepted into Thomson Reuters index

The journal Molecular Oncology has been accepted by Thomson Reuters for inclusion in the Science Citation Index Expanded and other prominent databases. It highlights new discoveries and approaches in basic, clinical, and translational research related to cancer.

Boston University School of Medicine receives grant

Boston University School of Medicine has received a grant to develop a framework for medical education in Armenia, making it comparable to US and Western Europe standards. The project will support the development of a dynamic learning environment for Armenian medical students.

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.

Vanderbilt scientists invent world's smallest periscopes

Researchers at Vanderbilt University have developed the world's smallest periscope, allowing for multi-vantage-point imaging of cells and micro-organisms. This technology enables scientists to study dynamic processes within cells in three dimensions, providing a high resolution form of microscopy.

University of Alberta and NINT researchers make solar energy breakthrough

Researchers at the University of Alberta and NINT have made a breakthrough in plastic solar cell technology, achieving a 30% increase in efficiency through a novel approach. The development of inexpensive, mass-produced plastic solar panels could make solar energy accessible to everyone in the near future.

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.

Media coverage affects perceptions of climate change

Researchers at the University of Liverpool found that limited media coverage of climate change results in mixed messages about its severity. The study suggests that serious media attention is crucial to instill public concern and prompt concerted political action on the issue.

Models present new view of nanoscale friction

A team of engineers from University of Wisconsin-Madison has created a new view of nanoscale friction by demonstrating that friction at the atomic level behaves similarly to friction generated between large objects. The researchers found that friction is proportional to the number of atoms that interact between two nanoscale surfaces.

Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Certified teachers + modern instruction = better public school math scores

A University of Illinois study finds that public schools with certified teachers and a modern math curriculum outscore private schools. The researchers discovered that smaller class sizes, teacher certification, and instructional practices were key factors in achieving better math test scores for public school students.

Brain encodes complex plumes of odors with a simple code

Researchers discovered that the locust brain encodes turbulent plumes of odor molecules using surprisingly little neural machinery. The findings suggest a new theory on how animals smell, proposing that individual neurons preserve almost full information about precise temporal dynamics of odors.

Random antenna arrays boost emergency communications

Researchers at NIST developed a practical solution to enhance radio signal power at disaster sites using randomly placed antennas. The study found a significant increase in median received power, with a five-fold gain and a two-and-a-half to four-fold increase when using multiple transmitters.

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.