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Science News Archive April 2013 - Page 10


Page 10 of 32

Rare condition implicated in pregnant women infected with malaria

Research finds an association between a rare pregnancy condition called chorangiosis and full-blown malaria in pregnant women. The study suggests that active malarial infection enhances blood vessel growth in the placenta, potentially leading to complications like low birth weight.

SourceFederation of American Societies for Experimental Biology·DateApr 22, 2013

Annals of Internal Medicine tip sheet for April 23, 2013

The USPSTF reviewed evidence on suicide screening and treatment for adults and adolescents, finding that primary care-feasible screening tools can identify adults at increased risk for suicide but have limited ability to detect risk in adolescents. Treatment with psychotherapy reduced the risk of suicide attempts by 32% in high-risk ad...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 22, 2013

Physicists find right (and left) solution for on-chip optics

A Harvard-led team of researchers has created a new type of nanoscale device that converts optical signals into waves traveling along a metal surface. The device can recognize specific polarized light and direct it in one direction or another, opening the door to precise manipulation of light at subwavelength scales.

SourceHarvard University·JournalScience·DateApr 22, 2013
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.

Bugs produce diesel on demand

A team from the University of Exeter has developed a method to make bacteria produce diesel on demand, using special strains of E. coli. The resulting diesel is almost identical to conventional diesel fuel and can be used with current supplies without modification.

SourceUniversity of Exeter·JournalProceedings of the National Academy of Sciences·DateApr 22, 2013
Apple iPhone 17 Pro

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

Health impact assessments prove critical public health tool

A recent study by the Colorado School of Public Health found that health impact assessments can identify potential health risks associated with natural gas development. The assessment identified health effects such as headaches and respiratory issues in a western Colorado town, highlighting the importance of considering public health i...

SourceUniversity of Colorado Anschutz Medical Campus·JournalAmerican Journal of Public Health·DateApr 22, 2013

Can team-based care improve primary care delivery and patient outcomes?

A team-based approach to primary care delivers improved patient outcomes, enhanced practice workflows, and increased physician satisfaction. By sharing responsibility and consulting with each other regularly, healthcare teams can provide more sensitive and responsive patient-centered care.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalPopulation Health Management·DateApr 22, 2013

Diagnostic errors more common, costly and harmful than treatment mistakes

Diagnostic errors accounted for the largest fraction of malpractice claims and the highest total payments, resulting in severe patient harm and death or disability almost twice as often as other error categories. The majority of diagnostic errors were missed diagnoses, with outpatient care being more common than inpatient care.

SourceJohns Hopkins Medicine·JournalBMJ Quality & Safety·DateApr 22, 2013
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.

Using black holes to measure the universe's rate of expansion

A team of researchers has developed a method using black holes to measure the universe's rate of expansion with high accuracy. The method uses radiation emitted by material surrounding black holes, allowing for distance measurements of billions of light years and providing insights into the universe's past.

SourceAmerican Friends of Tel Aviv University·JournalPhysical Review Letters·DateApr 22, 2013

Mammograms reveal response to common cancer drug

Researchers at Karolinska Institutet developed a method to assess tamoxifen's effect on breast cancer, using mammograms. Women showing a 20% reduction in breast density have a 50% reduced risk of dying from breast cancer over 15 years.

SourceKarolinska Institutet·JournalJournal of Clinical Oncology·DateApr 22, 2013

Biological activity alters the ability of sea spray to seed clouds

A team of scientists used a new approach to study aerosols, finding that biological activity in sea spray reduces its ability to form clouds. The study isolated marine aerosols, demonstrating the impact of biological mixtures on climate properties.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateApr 22, 2013
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.

Genetic circuit allows both individual freedom, collective good

Researchers discovered a genetic circuit in bacteria that enables individual freedom while ensuring the collective good. The circuit allows each bacterium to weigh its decisions based on stress levels and peer signals, striking a balance between selflessness and selfishness.

SourceRice University·JournalScientific Reports·DateApr 22, 2013

Green spaces may boost well-being for city slickers

A new study published in Psychological Science found that individuals living in greener areas reported less mental distress and higher life satisfaction. The association held even after accounting for other factors that contribute to life satisfaction.

SourceAssociation for Psychological Science·JournalPsychological Science·DateApr 22, 2013

Cutting back on sleep harms blood vessel function and breathing control

Researchers found that partial sleep deprivation led to less healthy vascular function and impaired breathing control. After a short period of normal sleep, vascular function returned to baseline, suggesting an adaptive response. The study suggests a mechanism behind the connection between sleep loss and cardiovascular disease.

SourceAmerican Physiological Society·DateApr 22, 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.

Stanford researchers develop new method to assess options for heart-disease surgery

A new method to predict which patients with heart disease benefit more from surgery versus angioplasty has been developed by Stanford researchers. The study, published in Annals of Internal Medicine, found that individual characteristics such as gender, age, and diabetes history significantly impact the effectiveness of these procedures.

SourceStanford Medicine·JournalAnnals of Internal Medicine·DateApr 22, 2013

3 new studies reveal added fiber's impact on various health indices

Researchers found improved laxation with minimal gastrointestinal tolerance issues after consuming 20g of added fibre per day. Soluble fibre dextrin also promoted satiety for up to 8.5 hours after consumption. Additionally, PROMITOR Soluble Corn Fibre increased calcium absorption in adolescents by 12%.

SourceFoodMinds LLC·JournalJournal of Nutrition·DateApr 22, 2013

Facial dog bites in children may require repeated plastic surgery

A study published in Journal of Craniofacial Surgery found that facial dog bites in children often result in permanent scars, requiring repeated revision surgeries. Most bites are classified as 'provoked' and occur when the child is playing or interacting with the dog.

SourceWolters Kluwer Health·JournalJournal of Craniofacial Surgery·DateApr 22, 2013

Regional insights set latest study of climate history apart

A comprehensive study of global temperature change over the past 1,000 to 2,000 years found pronounced regional differences. The research, led by Northern Arizona University's Darrell Kaufman, provides insight into climate variability and its impact on societies and ecosystems.

SourceNorthern Arizona University·JournalNature Geoscience·DateApr 22, 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.

UCSB scientist identifies protein molecule used to maintain adult stem cells in fruit flies

A UCSB researcher has identified a protein molecule that helps maintain adult stem cells in fruit flies, revealing insights into regenerative medicine. The study found that this protein, castor, plays a critical role in specifying brain cell types during embryonic development and maintaining follicle stem cells throughout life.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateApr 22, 2013

Ecology, economy and management of an agro-industrial Amazon frontier

The study highlights the importance of sustainable land management in reducing deforestation and preserving ecosystems. Agricultural intensification, combined with policies and incentives, can minimize environmental degradation and secure the health of forests and streams in the Amazon and other tropical regions.

SourceWoodwell Climate Research Center·JournalPhilosophical Transactions of the Royal Society of London (B )·DateApr 22, 2013

Bacteria may contribute to premature births, STDs

Research at Washington University School of Medicine suggests that Gardnerella vaginalis bacteria is likely the cause of bacterial vaginosis, a condition linked to preterm birth and increased risk of sexually transmitted diseases. The condition affects one in every three women and often does not cause significant symptoms.

SourceWashU Medicine·JournalPLOS ONE·DateApr 22, 2013
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.

Positive effect of white button mushrooms when substituted for meat on body weight and composition changes during weight loss and weight maintenance

Participants who substituted white button mushrooms for meat lost seven pounds and showed improvements in body composition compared to those on the standard diet. The study found that mushroom substitution resulted in lower calorie and fat intake, as well as a reduction in waist circumference and body mass index.

SourceEdelman Public Relations, New York·JournalThe FASEB Journal·DateApr 22, 2013

New review sets international standards for best practice in fracture liaison services

A new report sets 13 achievable standards for best practice in implementing fracture liaison services worldwide to identify and treat patients at high risk of secondary fractures. The initiative aims to provide essential resources, establish mentoring programs, and promote global recognition for fracture liaison services.

SourceInternational Osteoporosis Foundation·JournalOsteoporosis International·DateApr 22, 2013

Study shows reproductive effects of pesticide exposure span generations

Research by NC State University scientists found pesticide exposure causes more male offspring and reproductive problems in female Daphnia, a keystone species impacting population dynamics. Exposure levels as low as 71 nanograms per liter had significant impacts on reproductive health.

SourceNorth Carolina State University·JournalPLOS ONE·DateApr 22, 2013

Researchers discover mushrooms can provide as much vitamin D as supplements

Researchers from Boston University School of Medicine discovered that eating mushrooms containing Vitamin D2 can increase and maintain vitamin D levels comparable to taking supplements. The study found that ingesting mushroom powder containing Vitamin D2 was as effective in raising and maintaining healthy adults' vitamin D status.

SourceBoston University School of Medicine·JournalDermato-Endocrinology·DateApr 22, 2013
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.

U. of Illinois researchers measure near-field behavior of semiconductor plasmonic microparticles

Researchers at the University of Illinois have developed a new technique to measure nanometer-scale infrared absorption in semiconductor plasmonic microparticles. This allows for direct observation of plasmonic behavior within microparticle infrared antennas, enabling confirmation of theoretical models and design parameters.

SourceUniversity of Illinois Grainger College of Engineering·JournalApplied Physics Letters·DateApr 22, 2013

Anatomist is fleshing out dinosaur heads, reaching people about science

Dr. Lawrence Witmer's Visible Interactive Dinosaur (VID) project aims to digitally recreate the tissues stripped away by time, creating the most realistic dinosaur renderings. The project has dual purpose of helping paleontologists and educating the public about physiology and anatomy.

SourceFederation of American Societies for Experimental Biology·DateApr 22, 2013
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.

Stem cell transplant restores memory, learning in mice

Researchers at University of Wisconsin-Madison successfully transplanted human embryonic stem cells into mouse brains to repair damaged neural circuits. The study demonstrates the potential for stem cell therapy to treat neurological disorders such as Alzheimer's and depression.

SourceUniversity of Wisconsin-Madison·JournalNature Biotechnology·DateApr 21, 2013

New immune cells hint at eczema cause

Researchers have identified a new type of immune cell in the skin that plays a role in fighting parasitic invaders and could be linked to eczema. The discovery sheds light on the causes of allergic skin diseases and offers new hope for treating hundreds of millions of people worldwide.

SourceCentenary Institute·JournalNature Immunology·DateApr 21, 2013

Starting with 2 health behaviors may be better than 1

The study found that delivering physical activity and dietary interventions simultaneously may result in the most positive sustained outcomes across two important health behaviors. Participants who received simultaneous advice successfully increased both their dietary and physical activity levels to national recommendations by 12 months.

SourceSpringer·JournalAnnals of Behavioral Medicine·DateApr 21, 2013

Study: Low-dose aspirin stymies proliferation of 2 breast cancer lines

A study found that low-dose aspirin slowed the growth of two breast cancer lines in lab tests and reduced tumor growth in mice. The compound also inhibited tumor cells from spreading and enhanced the effect of tamoxifen, a common drug therapy for hormone-receptor positive breast cancer.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 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.

Green spaces may boost wellbeing for city dwellers

Research finds that individuals living in urban areas with green space report less mental distress and higher life satisfaction. The effect is significant even after accounting for income, employment, marital status, physical health, and housing type.

SourceUniversity of Exeter·JournalPsychological Science·DateApr 21, 2013

Structure of cell signaling molecule suggests general on-off switch

Researchers at Duke University Medical Center discovered a three-dimensional image of beta-arrestin1, a protein that regulates GPCRs, revealing a striking difference in its active and inactive states. This finding suggests the presence of a general molecular mechanism controlling the activation of beta-arrestin1.

SourceDuke University Medical Center·JournalNature·DateApr 21, 2013

Genetics defines a distinct liver disease

A large-scale genetic study has associated nine new genetic regions with primary sclerosing cholangitis (PSC), a rare autoimmune liver disease. The study definitively proves PSC is a distinct disease, despite its genetic relationship to inflammatory bowel disease (IBD).

SourceWellcome Trust Sanger Institute·JournalNature Genetics·DateApr 21, 2013
Fluke 87V Industrial Digital Multimeter

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

Social stress and the inflamed brain

A study by Dr. Susan K. Wood found that social stress can lead to inflammatory changes in the brain, increasing vulnerability to depression and heart disease. The research identified specific genes and proteins involved in this process, shedding light on potential targets for treatment.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013

Indiana University associate professor earns APS's Henry Pickering Bowditch Award

Dr. Johnathan D. Tune has been recognized with the Henry Pickering Bowditch Lecture Award for his groundbreaking work investigating the mechanisms connecting obesity, diabetes, and heart disease. His research, conducted using obese pigs, has identified key targets to potentially treat or slow down heart disease.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013

A scientist on a mission

Antibiotic overuse and misuse are creating conditions for the emergence of superbugs in border communities like Eagle Pass, Texas. Collaborating with officials to develop an outreach model to mitigate antimicrobial resistance, scientist Subburaj Kannan emphasizes the need for government action and public awareness.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013

2 days of staging as effective as 4 for high-altitude climbs

Researchers found that 2 days of staging at a moderate altitude is as effective as 4 days in preventing acute mountain sickness, allowing soldiers to ascend safer and quicker. The study used male soldiers ascending Pike's Peak in Colorado, with 73% showing symptoms of AMS on direct ascent versus 30-40% on staged ascents.

SourceAmerican Physiological Society·DateApr 21, 2013
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.

A check on tension

Researchers Arshad Desai and Christopher Campbell found that Aurora B kinase congregates on microtubules instead of the centromere, ensuring required tension is achieved on chromosomes. This discovery challenges prevailing model for how dividing cells monitor chromosome distribution.

SourceLudwig Institute for Cancer Research·JournalNature·DateApr 21, 2013

Recreational use of HIV antiretroviral drug linked to its psychoactivity

Researchers investigated the recreational use of HIV antiretroviral drug efavirenz, which is commonly used to treat HIV. Studies found that its diversion for psychoactive effects can lead to adverse neuropsychiatric complications and potentially create resistant strains of the virus.

SourceFederation of American Societies for Experimental Biology·DateApr 21, 2013
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.