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Science News for July 27, 2012


The seat of meta-consciousness in the brain

Researchers have identified a specific cortical network in the brain that becomes active when lucid dreamers become aware of their dreaming state. This network, including the right dorsolateral prefrontal cortex and frontopolar regions, is associated with self-reflective functions and has been linked to consciousness development.

SourceMax-Planck-Gesellschaft·JournalSLEEP·DateJul 27, 2012

Discovery of new white blood cell reveals target for better vaccine design

Researchers at Newcastle University have identified a new type of white blood cell that activates a killing immune response to external sources, providing a potential target for vaccines. The discovery could lead to the development of targeted immunotherapies against cancer and infections such as Hepatitis B.

SourceNewcastle University·JournalImmunity·DateJul 27, 2012

Computers can predict effects of HIV policies

A computer program calibrated to model accurately HIV spread in NYC predicts significant reduction in infection rate with comprehensive intervention strategies. The model simulates individual behavior and transmission networks, providing detailed examination of how interventions affect the epidemic.

SourceBrown University·DateJul 27, 2012
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.

Future of California high-speed rail looks green

A new analysis by Arpad Horvath and Mikhail Chester finds that California's proposed high-speed rail system will reduce greenhouse gas emissions compared to cars and air travel. The study, published in Environmental Research Letters, assesses the sustainability of different transportation modes using life-cycle assessments.

SourceUniversity of California - Berkeley·JournalEnvironmental Research Letters·DateJul 27, 2012

'Diving board' sensors key to DNA detection

Researchers at Drexel University have developed a sensor technology that can detect DNA in liquid samples, allowing for quick identification of harmful cells and bacteria. The 'diving board' sensors use electric current to measure the vibration frequency of a cantilever, enabling sensitive and timely tests.

SourceDrexel University·DateJul 27, 2012

Boys' impulsiveness may result in better math ability, say MU researchers

A University of Missouri study found that boys showed a preference for faster but more error-prone approaches to solving arithmetic problems. While girls excelled in accuracy earlier on, boys surpassed them by the end of sixth grade due to their willingness to take risks and recall answers from memory.

SourceUniversity of Missouri-Columbia·JournalJournal of Experimental Child Psychology·DateJul 27, 2012
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.

NASA sees organizing tropical low pressure area near the Philippines

A low-pressure system in the western North Pacific is showing signs of organization, with NASA's Terra satellite capturing an infrared image of the area on July 27. The Joint Typhoon Warning Center has given System 93W a high chance of becoming a tropical depression over the weekend of July 28-29.

SourceNASA/Goddard Space Flight Center·DateJul 27, 2012

UCLA research makes possible rapid assessment of plant drought tolerance

A new method developed by UCLA life scientists can rapidly and reliably assess drought tolerance in plants for diverse species across ecosystems worldwide. The method is based on the turgor loss point and osmotic potential, allowing for fast estimates within 10 minutes per leaf.

SourceUniversity of California - Los Angeles·JournalMethods in Ecology and Evolution·DateJul 27, 2012
Apple iPhone 17 Pro

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

Study finds gaps in services for heterosexual men with HIV

A new study found that many heterosexual men with HIV in Canada feel existing programs and services don't meet their needs, due to stigma and lack of support. The study emphasizes the need for more inclusive health care and service initiatives specifically tailored to these men's unique experiences.

SourceSt. Michael's Hospital·JournalBMJ Open·DateJul 27, 2012

Cedars-Sinai awarded $17.8 million grant to develop ALS treatment

Researchers at Cedars-Sinai Medical Center are developing a new treatment for ALS using a combination of stem cells and gene therapy. The grant will fund an 18-patient clinical trial for ALS in four years, with the potential to protect damaged motor neurons and deliver the protein GDNF exactly where it's needed.

SourceCedars-Sinai Medical Center·DateJul 27, 2012

UK medical school teaching on physical activity virtually 'non-existent'

A survey of UK medical schools found that physical activity education is sparse or non-existent in their curricula. The authors highlight the importance of promoting physical activity to manage modern non-communicable chronic diseases, citing clinical guidelines that emphasize exercise as a method of treatment.

SourceBMJ Group·JournalBritish Journal of Sports Medicine·DateJul 27, 2012
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.

Georgia forests, 2011

A study by the USDA Forest Service Southern Research Station found that Georgia's forest land area remained stable over the past 50 years, while timber inventory more than doubled. The majority of commercial timberland is privately owned, with individual or family forests making up a significant portion.

SourceUSDA Forest Service ‑ Southern Research Station·DateJul 27, 2012

The Olympics and bare feet: What have we learned?

Barefoot running, popularized by Abebe Bikila, is not inherently good or bad; proper training and conditioning are key. However, research suggests that it can increase stress fractures and soreness in the calves, while also risking knee and hip injuries similar to those caused by athletic shoes.

SourceUniversity of Central Florida·JournalThe Journal of Strength and Conditioning Research·DateJul 27, 2012

BUSM researchers find link between childhood abuse and age at menarche

Researchers from BUSM found a 49% increase in risk for early onset menarche among women who reported childhood sexual abuse, and a 50% increase in risk for late onset menarche among those with severe physical abuse. This study highlights the complex relationship between child abuse and health outcomes.

SourceBoston University School of Medicine·JournalJournal of Adolescent Health·DateJul 27, 2012

Accelerated resolution therapy significantly reduces PTSD symptoms, researchers report

A study by the University of South Florida College of Nursing found that Accelerated Resolution Therapy (ART) substantially reduced PTSD symptoms, including depression and anxiety, after just one to four sessions. The therapy uses eye movements to process traumatic memories, resulting in a significant improvement in symptoms.

SourceUniversity of South Florida (USF Health)·JournalBehavioral Sciences·DateJul 27, 2012
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Botanical Society of America to launch OA journal: Applications in Plant Sciences

The Botanical Society of America (BSA) has launched an open-access journal, Applications in Plant Sciences (APPS), to promote the rapid dissemination of new tools and protocols. APPS will be part of BioOne's Open Access Collection, fostering communication within the botanical community to advance plant sciences.

SourceBotanical Society of America·JournalAmerican Journal of Botany·DateJul 27, 2012

Even Usain Bolt can't beat greyhounds, cheetahs...or pronghorn antelope

A study published in Veterinary Record compares the athletic abilities of humans and animals, finding that greyhounds, cheetahs, pronghorn antelope, and other species outrun and outmuscle top athletes. Human adaptations for endurance are impressive, but animals excel in speed, strength, and power.

SourceBMJ Group·JournalVeterinary Record·DateJul 27, 2012

Tumor cells' inner workings predict cancer progression

Researchers identified 38 prognostic subnetworks of interacting genes that predict cancer progression in chronic lymphocytic leukemia. The study helps define how CLL evolves over time, becoming more aggressive and deadly.

SourceUniversity of California - San Diego·JournalBlood·DateJul 27, 2012

BELLA laser achieves world record power at 1 pulse per second

The BELLA laser system has delivered a petawatt of power in a pulse just 40 femtoseconds long at a pulse rate of one hertz, a world record for laser performance. This achievement enables the creation of compact particle accelerators and tabletop free electron lasers for investigating materials and biological systems.

SourceDOE/Lawrence Berkeley National Laboratory·DateJul 27, 2012

Landmark HIV treatment-as-prevention study shows additional health benefits, cost-effectiveness

A landmark HIV treatment-as-prevention study has found that providing antiretroviral treatment to HIV-infected individuals earlier, when their immune systems are healthier, delays AIDS-related health events such as chronic herpes simplex virus and tuberculosis. Earlier treatment is also cost-effective as it increases survival, prevents...

SourceNIH/National Institute of Allergy and Infectious Diseases·DateJul 27, 2012
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Nano-FTIR - A new era in modern analytical chemistry

Researchers developed nano-FTIR, combining s-SNOM and FTIR spectroscopy for nanoscale chemical identification and mapping. The technique offers high sensitivity and resolution, making it a unique tool for polymer chemistry, biomedicine, and pharmaceutical industry.

SourceElhuyar Fundazioa·JournalNano Letters·DateJul 27, 2012

Swaziland HIV incidence results announced at AIDS 2012

A study in Swaziland found the national rate of new HIV infections to be 2.38%, comparable to the 2009 estimate of 2.66%. The country's high HIV prevalence may have begun to level off, with prevention and treatment programs taking effect.

SourceColumbia University's Mailman School of Public Health·DateJul 27, 2012

The longer you're awake, the slower you get

Researchers at Brigham and Women's Hospital found that longer wakefulness rates hinder task performance in visual search tasks. Participants performed slower during nighttime and after prolonged wakefulness.

SourceBrigham and Women's Hospital·JournalJournal of Vision·DateJul 27, 2012
Celestron NexStar 8SE Computerized Telescope

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

UTMB scientists awarded NIH grant for lab-grown lung tissue project

University of Texas Medical Branch at Galveston researchers have been awarded a $1.25 million NIH grant to develop lab-grown lung tissue models for biomedical studies. These models could provide significant advantages over animal models, including reduced costs and the ability to study human responses more accurately.

SourceUniversity of Texas Medical Branch at Galveston·DateJul 27, 2012

ASTRO awards 5 research grants

The American Society for Radiation Oncology (ASTRO) has awarded five physicians with research grants to promote the advancement of radiation therapy. The Junior Faculty Career Research Training Award and Residents/Fellows in Radiation Oncology Research Seed Grant Award support young researchers in radiation oncology, biology, physics, ...

SourceAmerican Society for Radiation Oncology·DateJul 27, 2012

Higgs excitations

Higgs excitations have been observed in a two-dimensional quantum gas near absolute zero temperature. The phenomenon, associated with spontaneous symmetry breaking, can lead to coordinated collective motion and is crucial in the Standard Model of Particle Physics.

SourceLudwig-Maximilians-Universität München·JournalNature·DateJul 27, 2012

Turbulences at a standstill

Theoretical physicist Dima Shepelyansky found that energy flows from large to small scales can be prevented under specific conditions, similar to the way electron currents are stopped in disordered solids. This discovery links chaos theory and turbulence, highlighting a phenomenon where energy threshold plays a crucial role.

SourceSpringer·JournalThe European Physical Journal B·DateJul 27, 2012
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.

Turbulent relationship among massive stars

Researchers from University of Bonn discover most massive stars form double systems, with over three-quarters orbiting a companion. The study reveals material transfer and merging between stars, challenging previous assumptions about single stars.

SourceUniversity of Bonn·JournalScience·DateJul 27, 2012

UK welfare reform 'uninspiring' and adding to economic woes and inequality

A UK policy expert warns that the country's welfare reform policies are re-creating conditions that led to the 2007 economic crisis. The critic argues that the dominant political party's emphasis on reducing taxes and rolling back the state will lead to more poverty and economic instability.

SourceSAGE·JournalLocal Economy The Journal of the Local Economy Policy Unit·DateJul 27, 2012
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.