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Science News for May 31, 2013


Plant intelligence for better swarm robots

Scientists aim to apply plant-inspired principles to develop cutting-edge technology, such as intelligent robots that can adapt to unknown environments. By investigating gene regulatory networks and self-organisation in plants, the team hopes to create more resilient and efficient robot swarms for applications like space exploration.

SourceNorwich BioScience Institutes·DateMay 31, 2013

New technology modifies music hall acoustics

A new system of inflatable sound absorbers can modify a performance hall's acoustics to accommodate various musical styles, such as classical and rock. The technology has been shown to lower reverberation times by up to 45% in relevant frequency bands.

SourceAmerican Institute of Physics·DateMay 31, 2013

Live and let die

Scientists discover protein c-FLIP-R that confers protection on immune cells against apoptosis, a type of cellular suicide. The discovery reveals mice with elevated c-FLIP levels are less susceptible to Listeria infections, sparking hope for potential therapeutic approaches.

SourceHelmholtz Centre for Infection Research·JournalEuropean Journal of Immunology·DateMay 31, 2013

Researchers design sensitive new microphone modeled on fly ear

A team of researchers has created a new type of microphone modeled on the sensitive ears of a parasitic fly, achieving better acoustical performance than what is currently available in hearing aids. The design uses a microelectromechanical microphone with active Q control and optical sensing, reducing noise floor by 17 decibels.

SourceAmerican Institute of Physics·DateMay 31, 2013
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Elite athletes often shine sooner or later -- but not both

Researchers found that senior athletes outperformed their junior counterparts in most events, with a significantly greater percentage of improvement in lifetime best performance. Only 23.6% of junior athletes went on to medal in the Olympics, while 29.9% of Olympians won medals earlier in their career.

SourceIndiana University·DateMay 31, 2013

Application of face-recognition software to portrait art shows promise

The UC Riverside FACES project uses facial recognition technology to analyze portraits of historical figures, including Dante, Lorenzo de' Medici, and Shakespeare. The researchers aim to develop an algorithm that can accurately identify subjects despite variations in facial expressions, aging, and artistic styles.

SourceUniversity of California - Riverside·DateMay 31, 2013

Exposure to general anaesthesia could increase the risk of dementia in elderly by 35 percent

A new study found that exposure to general anaesthesia may increase the risk of dementia in elderly patients by 35%. The research analyzed data from a prospective population-based cohort and found that participants who received general anaesthetics were more likely to develop dementia. This increased risk was significant even after adj...

SourceThe European Society of Anaesthesiology and Intensive Care (ESAIC)·DateMay 31, 2013

Microbial changes regulate function of entire ecosystems

A study published in Applied and Environmental Microbiology reveals that microbial changes can regulate entire ecosystems, specifically mitigating the release of methane, a powerful greenhouse gas. The research found that type II methanotrophic bacteria replaced other microbes, oxidizing methane and reducing its impact.

SourceAmerican Society for Microbiology·JournalApplied and Environmental Microbiology·DateMay 31, 2013
Celestron NexStar 8SE Computerized Telescope

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

Ultrasound 'making waves' for enhancing biofuel production

Research by Iowa State University engineers found that ultrasound consistently enhances biomass conversion into high-value fuels and chemicals. The technology also accelerates lignin removal, hydrolysis of corn starch, and transesterification, leading to faster production times and potentially significant cost savings.

SourceAmerican Institute of Physics·DateMay 31, 2013

The scoop on bird poop

Researchers found that young birds have a diverse range of bacteria in their guts, while adults have a more stable community of species. As birds mature, the number of bacterial species decreases, and a stable community forms.

SourceUniversity of Veterinary Medicine -- Vienna·JournalBMC Ecology·DateMay 31, 2013
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 bad biology grade sticks around

A new study suggests that performance in foundational biology courses is a strong predictor of performance in high-level animal science courses. Students who take genetics as sophomores and juniors tend to perform well, while those who wait too long may struggle with advanced courses.

SourceAmerican Society of Animal Science·JournalJournal of Animal Science·DateMay 31, 2013

Circadian rhythms control body's response to intestinal infections, UCI-led study finds

Researchers at UC Irvine have discovered that circadian rhythms play a crucial role in the body's immune response to intestinal infections. The study suggests that targeting treatments that supplement the power of the body clock could be an effective approach to treating bacterial pathogens like salmonella.

SourceUniversity of California - Irvine·JournalProceedings of the National Academy of Sciences·DateMay 31, 2013

Investigators link poultry contamination on farm and at processing plant

A study by researchers at the University of Georgia found a strong correlation between poultry farm contamination and later processing plant contamination. The findings suggest that reducing pathogens on farms can reduce contamination levels at processing plants, potentially lowering the risk of foodborne illness.

SourceAmerican Society for Microbiology·JournalApplied and Environmental Microbiology·DateMay 31, 2013
Apple iPhone 17 Pro

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

Surges in latent infections: Mathematical analysis of viral blips

Mathematical analysis reveals that viral blips occur naturally due to infection rate saturation, not external triggers. Models propose a 5-dimensional immunological model that can generate blips, applicable to various viral diseases and autoimmune disorders.

SourceSociety for Industrial and Applied Mathematics·JournalSIAM Journal on Applied Mathematics·DateMay 31, 2013

Acidifying oceans could spell trouble for squid

A new study reveals that squid are vulnerable to acidic conditions in the ocean, which could have far-reaching effects on the ecosystem. The research found that squid reared in more acidic seawater were smaller, had misshapen statoliths, and took longer to develop.

SourceWoods Hole Oceanographic Institution·JournalPLOS ONE·DateMay 31, 2013

Where entrepreneurship is at home

Researchers found that entrepreneurial personality structure is more prevalent in Western US states, Germany's Berlin-Hamburg axis, and Great Britain's East of England region. This correlation suggests a link between regional personality traits and entrepreneurial activity.

SourceFriedrich-Schiller-Universitaet Jena·JournalJournal of Personality and Social Psychology·DateMay 31, 2013
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.

Agricultural fires in western Mexico

Dozens of agricultural fires were detected in western Mexico, likely set to manage land for crop growth, but producing smoke that degrades air quality. The fires were outlined in red by NASA's MODIS satellite on May 30, 2013.

SourceNASA/Goddard Space Flight Center·DateMay 31, 2013

Even with defects, graphene is strongest material in the world

A recent study by Columbia University researchers reveals that graphene can achieve almost the same strength as its perfect crystalline form, even with defects. The team developed a new process that prevents damage during transfer, leading to surprisingly strong results.

SourceColumbia University·JournalScience·DateMay 31, 2013

Cracking the code of HIV; Providing an up-close view of the enemy

Scientists have determined the precise chemical structure of the HIV capsid using a supercomputer on a 64 million-atom sample. The discovery has provided valuable insights into the development of new antiretroviral drugs that can suppress the HIV virus and stop AIDS progression.

SourceU.S. National Science Foundation·JournalNature·DateMay 31, 2013

View your Facebook profile, get a boost

A new study shows that spending time on one's own Facebook profile can increase self-esteem. However, this boost in self-esteem ultimately diminishes motivation to perform well in tasks. The study used the Implicit Association Test and found significant effects of Facebook profile viewing on psychological effects.

SourceUniversity of Wisconsin-Madison·JournalJournal of Media Psychology Theories Methods and Applications·DateMay 31, 2013
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.

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.

Pretesting cervical tumors could inform treatment

Doctors at WashU Medicine have shown that testing cervical tumors before treatment can predict whether patients will do well with standard chemotherapy. The study supports personalized medicine for cervical cancer, a tumor normally treated with a one-size-fits-all approach.

SourceWashU Medicine·JournalGynecologic Oncology·DateMay 31, 2013

Elevated carbon dioxide making arid regions greener

Scientists discovered that elevated carbon dioxide concentrations have caused a significant increase in foliage cover across warm, arid environments globally. The study found that the CO2 fertilization effect led to an average 11% increase in foliage, with some regions experiencing up to 10% growth.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateMay 31, 2013

Secrets of the cicada's sound

Researchers have studied cicadas to understand their sound production, which is unique in the insect world. The cicada's chirp is nonlinear and involves a ribbed membrane that vibrates when its body deforms.

SourceAmerican Institute of Physics·DateMay 31, 2013

Mathematical models to better combat HIV

Theoretical mathematical models can help analyze viral dynamics in the early phase following exposure to HIV, providing insights into therapeutic and prevention strategies. The models suggest that reverse transcriptase inhibitors are more effective than protease inhibitors for PrEP, while fast initiation of treatment is crucial for PEP.

SourceSociety for Industrial and Applied Mathematics·JournalSIAM Journal on Applied Mathematics·DateMay 31, 2013
Meta Quest 3 512GB

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

Magnetic monopoles erase data

Scientists at TUM have found that magnetic monopoles can erase data in magnetic vortices, called skyrmions. This discovery has the potential to create extremely compact and long-lived storage media with significantly reduced power consumption.

SourceTechnical University of Munich (TUM)·JournalScience·DateMay 31, 2013

Texting proves beneficial in auditory overload situations

Researchers found that visual cues like texting improve performance in noisy environments, making it easier to understand messages. Adding text messaging as a supplement to audio presentation significantly reduces difficulties in communication during auditory overload situations.

SourceAmerican Institute of Physics·DateMay 31, 2013

New maps show how shipping noise spans the globe

Scientists have created global maps showing how shipping noise affects the ocean, with high levels appearing in northern Atlantic and Pacific Oceans and along major shipping routes. The models take into account factors like water temperature, pressure, and sediment type to predict sound wave propagation.

SourceAmerican Institute of Physics·DateMay 31, 2013
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.

Food insecurity linked to HIV-treated drug users' deaths

A new study found that injection drug users living with HIV/AIDS who were food insecure at the start of life-prolonging antiretroviral therapy were twice as likely to die compared to those who were food secure. Researchers also found that hunger was not a primary cause of mortality in this population.

SourceSimon Fraser University·JournalPLOS ONE·DateMay 31, 2013

NASA satellites watch the demise of Hurricane Barbara

Hurricane Barbara made landfall along Mexico's southern Pacific coast, with NASA-NOAA satellites capturing its movement and rainfall rates. The storm weakened into a tropical depression after making landfall, with remnants dissipating over the western Gulf of Mexico.

SourceNASA/Goddard Space Flight Center·DateMay 31, 2013
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.

Lead acts to trigger schizophrenia

Scientists found that lead exposure can trigger schizophrenia-like behaviors and brain structural changes in mice engineered with a human gene for the disease. The study suggests a synergistic effect between lead exposure and a genetic risk factor, opening avenues to better understand complex gene-environment interactions.

SourceColumbia University's Mailman School of Public Health·JournalSchizophrenia Bulletin·DateMay 31, 2013