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Science News Archive March 2011 - Page 11


Page 11 of 28

How the lily blooms

Researchers found that rapid growth and wrinkling at the periphery of petals create stress within the bud, forcing it to open. This contradicts earlier theories about flower blooming, but supports a theory proposed by German literary master Johann Wolfgang von Goethe.

SourceHarvard University·JournalProceedings of the National Academy of Sciences·DateMar 21, 2011
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.

Feeling angry? Say a prayer and the wrath fades away

Research suggests that prayer can help people cope with their anger by changing how they view a negative situation and taking it less personally. The benefits of prayer do not rely on divine intervention.

SourceOhio State University·JournalPersonality and Social Psychology Bulletin·DateMar 21, 2011

Children of women who smoked during pregnancy at increased risk of becoming smokers

Research reveals prenatal exposure to nicotine increases vulnerability to nicotine self-administration in adolescent mice, making them more likely to start smoking and susceptible to addictive effects. The study supports the hypothesis that adolescents with prenatal nicotine exposure are more prone to nicotine addiction.

SourceAcademy of Finland·JournalEuropean Journal of Pharmacology·DateMar 21, 2011
Apple iPhone 17 Pro

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

Breakthrough in Niemann-Pick Type C research reported by Notre Dame and Cornell scientists

Scientists at Notre Dame and Cornell have made a breakthrough in understanding the genetic disorder Niemann-Pick Type C, which affects brain cells and causes devastating symptoms. Using histone deacetylase inhibitors, researchers were able to correct the damage done by the genetic flaw and restore normal cell function.

SourceUniversity of Notre Dame·JournalProceedings of the National Academy of Sciences·DateMar 21, 2011

Time lived with obesity linked with mortality

A Monash University study has found a direct link between time lived with obesity and the risk of mortality. Participants who experienced medium to long durations of obesity had significantly higher mortality rates compared to those who were never obese.

SourceMonash University·JournalInternational Journal of Epidemiology·DateMar 21, 2011

Salk scientists crack molecular code regulating neuronal excitability

Researchers deciphered a molecular code that regulates brain channel protein activity, modulating neuronal excitability. SNX27 distinguishes GIRK channels from similar proteins, targeting them for destruction and affecting substance abuse behaviors.

SourceSalk Institute·JournalProceedings of the National Academy of Sciences·DateMar 21, 2011
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.

Men fuel rebound in plastic surgery

The American Society of Plastic Surgeons reports a significant increase in men undergoing cosmetic procedures, with over 1.1 million procedures performed in 2010. Facelifts and other surgical procedures saw substantial growth, bucking the trend of minimally-invasive treatments.

SourceMediaSource·DateMar 21, 2011

Primordial soup gets spicier

Researchers have reanalyzed Stanley Miller's 1958 'primordial soup' samples and found a diverse array of organic compounds, including sulfur amino acids. The discovery supports the hypothesis that volcanoes and lightning played a key role in creating the building blocks of life on Earth.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateMar 21, 2011
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.

Surprising results in the first genome sequencing of a crustacean

The genome sequence of Daphnia pulex, a small freshwater crustacean, has revealed neurotrophins that suggest the nervous system of crustaceans is more complex than previously believed. This finding may have implications for understanding the impact of climate change on crustacean behavior.

SourceUniversity of Gothenburg·JournalScience·DateMar 21, 2011

Open-source software designed to minimize synthetic biology risks

A rigorous bioinformatic analysis of the strengths and limitations of a screening protocol method recommended by the federal government was conducted, leading to the development of GenoTHREAT. The software tool helps detect the use of synthetic DNA as bioterrorism agents and is being released in an open-source format.

SourceVirginia Tech·JournalNature Biotechnology·DateMar 21, 2011

Unknown animals nearly invisible but yet there

A new DNA study by University of Gothenburg researchers has uncovered over 120 previously unknown bryozoan species in Swedish waters, including a completely new species. The findings shed light on the evolution and relationships of these nearly invisible animals, which are found in marine and freshwater environments.

SourceUniversity of Gothenburg·JournalMolecular Phylogenetics and Evolution·DateMar 21, 2011
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.

Princeton engineers make breakthrough in ultra-sensitive sensor technology

Researchers developed a breakthrough sensor using surface-enhanced Raman scattering (SERS) that boosts faint signals, allowing identification of substances based on reflected light color. The chip's design features uniform rows of tiny pillars made of metals and insulators, significantly boosting the Raman signal.

SourcePrinceton University, Engineering School·JournalOptics Express·DateMar 21, 2011

Could mutant flies give epilepsy sufferers greater peace of mind?

Brown University researcher Robert Reenan has created mutant fruit flies that mimic human epilepsy, with the goal of finding genes that can suppress seizures. By using a unique technique called homologous recombination, Reenan hopes to induce mutations in the flies that may lead to a genetic cure for epilepsy.

SourceBrown University·DateMar 21, 2011

Biofilm reorganization: Back to the theoretical drawing board

Researchers used image-analysis methods to analyze microcinematic movies of bacteria forming aggregates, revealing that size matters most in predicting survival. The team found a signaling mechanism within the aggregate itself that trumps neighbor-related factors, contradicting existing theories.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateMar 21, 2011
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.

Computerized systems reduce psychiatric drug errors

Researchers at Johns Hopkins Medicine found that coupling electronic prescription drug ordering systems with computerized adverse event reporting dramatically reduced medication errors in a psychiatric unit from 27.89 to 3.43 per 1,000 patient days over four years. The system's integration of decision support and safety net tools furth...

SourceJohns Hopkins Medicine·JournalJournal of Psychiatric Practice·DateMar 21, 2011

Combination ACE inhibitor therapy increases risk of kidney failure and death

A study published in CMAJ found that elderly patients taking combination ACE inhibitors and ARBs had a higher risk of kidney failure and death. The researchers observed that most patients stopped the combination therapy within three months due to low blood pressure.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateMar 21, 2011
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.

Chicken soup for the soul: Comfort food fights loneliness

A recent study published in Psychological Science found that people can use comfort food as a social surrogate to combat loneliness. Participants who wrote about eating a comfort food reported reduced feelings of loneliness compared to those who wrote about an unfamiliar food.

SourceAssociation for Psychological Science·JournalPsychological Science·DateMar 21, 2011

Seeing in stereo: Engineers invent lens for 3-D microscope

Researchers at Ohio State University developed a single, stationary lens to create 3D images of microscopic objects from nine different angles. The freeform lens, made from thermoplastic material, enables miniaturized products with reduced equipment needs and improved precision.

SourceOhio State University·JournalJournal of the Optical Society of America A·DateMar 21, 2011

Climate change hits home

A new study reveals that people who experience flooding are more likely to perceive climate change as a pressing issue and take action to reduce their energy use. The research found that direct experience of extreme weather events can increase concern about climate change and willingness to engage in energy-saving behavior.

SourceUniversity of Nottingham·JournalNature Climate Change·DateMar 21, 2011
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.

Ancient trash heaps gave rise to Everglades tree islands

New research suggests that ancient trash mounds, or middens, left behind by prehistoric humans may be responsible for the formation of tree islands in the Florida Everglades. These elevated areas allowed trees to grow and provided a habitat for wildlife. Human disturbance is now threatening the existence of these unique ecosystems.

SourceAmerican Geophysical Union·DateMar 21, 2011

Medically underserved girls receive less frequent evaluation for short stature

A new study found that primary care doctors are less likely to refer short girls for diagnostic testing compared to boys, leading to delayed diagnoses and treatment. Girls with growth faltering may go undiagnosed or be diagnosed later than boys, particularly those with Turner syndrome, a genetic condition that affects height.

SourceChildren's Hospital of Philadelphia·JournalPEDIATRICS·DateMar 21, 2011

Scientists grow personalized collections of intestinal microbes

Researchers at WashU Medicine successfully grew and manipulated human intestinal microbes, identifying new probiotics and exploring microbe transplants as a treatment for obesity and diseases. The study provides a pipeline for manipulating diverse microbial communities from people of different ages and cultures.

SourceWashU Medicine·JournalProceedings of the National Academy of Sciences·DateMar 21, 2011
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.

Batteries charge quickly and retain capacity, thanks to new structure

Researchers have developed a new battery structure that allows for faster charging and discharging without sacrificing energy storage capacity. This innovation could enable phones to charge in seconds and laptops to charge in minutes, while also improving performance in electric vehicles and medical devices.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalNature Nanotechnology·DateMar 20, 2011

Fish know to avoid the spear

Researchers found that fish exposed to speargun fishing are wary and keep their distance, fleeing earlier than those in protected zones. In some cases, the flight distance increased by 2.6 meters, putting them beyond spear range.

SourceARC Centre of Excellence for Coral Reef Studies·JournalConservation Biology·DateMar 20, 2011
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.

New imaging technique provides rapid, high-definition chemistry

A new synchrotron-based imaging technique provides high-resolution pictures of tissue molecular composition with unprecedented speed and quality. The IRENI facility cuts imaging time from hours to minutes while quadrupling sample size range, revealing detailed structure and chemistry.

SourceUniversity of Wisconsin - Milwaukee·JournalNature Methods·DateMar 20, 2011

Metabolite levels may be able to improve diabetes risk prediction

Researchers found that levels of five amino acids, including isoleucine and leucine, can signal future disease risk and indicate candidates for preventive measures. The study used metabolite measurements to identify individuals at elevated risk of developing type 2 diabetes.

SourceMassachusetts General Hospital·JournalNature Medicine·DateMar 20, 2011

New data published in Nature Genetics demonstrate that tiny LNA-based compounds developed by Santaris Pharma A/S inhibit entire disease-associated microRNA families

Tiny LNA-based compounds developed by Santaris Pharma A/S successfully inhibit entire microRNA families, targeting cancer, viral infections, and cardiovascular diseases. The high affinity and target specificity of these compounds enable functional inhibition without off-target effects.

SourceEdelman PR·JournalNature Genetics·DateMar 20, 2011
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.

Climate change hits home

A new study by Cardiff University and Ipsos-MORI found that direct experience of extreme weather events like flooding can significantly affect people's perceptions of climate change. As a result, individuals who have experienced flooding are more prepared to take personal action and reduce their energy use.

SourceCardiff University·JournalNature Climate Change·DateMar 20, 2011

Mutant prions help cells foil harmful protein misfolding

Researchers at Brown University have discovered that mutant prions can aid cells in overcoming harmful protein misfolding, a process thought to be catastrophic. The findings suggest that targeted interventions at various stages of the misfolding process can enable cells to overcome the problem.

SourceBrown University·JournalNature Structural & Molecular Biology·DateMar 20, 2011
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.

Scientists discover major clue in long-term memory making

Researchers at Duke University Medical Center have found a cascade of signaling molecules that allow brief signals to last for tens of minutes, forming stronger connections in the brain. This discovery could lead to new insights into diseases like Alzheimer's and autism.

SourceDuke University Medical Center·JournalNature·DateMar 20, 2011

Preventive antibiotic use significantly lowers risk of infection with antibiotic-resistant bacteria in intensive care patients

A large randomized trial found that preventive antibiotic use significantly reduces the risk of infection with highly resistant microorganisms in intensive care patients. Patients treated with selective digestive tract decontamination (SDD) were 59% less likely to develop bacteraemia and 38% less likely to colonize respiratory tracts.

SourceThe Lancet_DELETED·JournalThe Lancet Infectious Diseases·DateMar 20, 2011

Bulgarian society awarded 2011 IOF Linda Edwards Memorial Award

The Association 'Women without Osteoporosis' of Bulgaria has received the 2011 IOF Linda Edwards Memorial Award for its outstanding campaigns to increase awareness, prevention, and treatment of osteoporosis. The award recognizes the organization's efforts to improve care for patients and its dedication to raising osteoporosis awareness.

SourceInternational Osteoporosis Foundation·DateMar 20, 2011

Red Nose Day leads the way for future giving

Research reveals that Red Nose Day's success lies in its ability to harness public enthusiasm, but major appeals do not contribute to long-term charity giving. Household donations have increased over the past two decades, with 28% of households donating in 2008 compared to 32% in 1978.

SourceEconomic & Social Research Council·DateMar 19, 2011
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.

Influence of pulp extraction technique on DPSCs quality and quantity

Researchers compared two pulp extraction techniques on dental pulp stem cells (DPSC) quality and quantity. The study found that the second technique resulted in higher stem cell integrity, growth rate, and quality, while also improving quantity.

SourceInternational Association for Dental, Oral, and Craniofacial Research·DateMar 19, 2011

The drive toward hydrogen vehicles just got shorter

Researchers have revealed a new single-stage method for recharging the hydrogen storage compound ammonia borane, enabling the potential use of hydrogen in vehicles. This breakthrough could reduce the expense and complexity of the recycle stage, making hydrogen a more attractive fuel option.

SourceDOE/Los Alamos National Laboratory·JournalScience·DateMar 18, 2011
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 step closer to treatment of virulent hospital infection

Researchers have discovered a unique antibody from llamas that can interfere with the toxins produced by Clostridium difficile, a health problem affecting hundreds of thousands of patients worldwide. This discovery promises to provide a much-needed alternative treatment option for this increasing healthcare problem.

SourceUniversity of Calgary·JournalJournal of Biological Chemistry·DateMar 18, 2011