Add BrightSurf on Google Email

Science News Archive July 2015 - Page 21


Page 21 of 34

UTHealth research: Teen birth, mental health lead child hospitalizations in Texas

Researchers at UTHealth found that mental illness was the most common reason for hospitalizing children ages 10-14, while pregnancy/birth was a leading cause for adolescents. The costs were staggering, with $51 million spent on mental disease-related hospitalizations of teens aged 15-17.

SourceUniversity of Texas Health Science Center at Houston·JournalHospital Pediatrics·DateJul 14, 2015
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.

You need this hole in the head -- to be smart

University of Adelaide researchers found a significant correlation between brain volume and blood flow rate in primates, indicating faster cognitive ability. The study suggests that brain metabolic rate increased with brain size, leading to higher intelligence.

SourceUniversity of Adelaide·JournalJournal of Experimental Biology·DateJul 14, 2015

Antidepressant trials exclude most 'real world' patients with depression

A study found that over 82% of people with depression in the general population are not eligible for clinical trials of antidepressant drugs. The trials use strict inclusion and exclusion criteria, which can exclude patients based on age, medical conditions, or severity of depression.

SourceWolters Kluwer Health·JournalJournal of Psychiatric Practice·DateJul 14, 2015
Apple iPhone 17 Pro

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

New guidelines for statin eligibility improve prediction of cardiovascular risk

The new ACC/AHA guidelines for statin eligibility better predict cardiovascular risk by considering coronary artery plaque levels. The guidelines were found to identify adults at higher risk more accurately than previous guidelines, leading to a potential reduction of 41,000 to 63,000 cardiovascular events over 10 years.

SourceMassachusetts General Hospital·JournalJAMA·DateJul 14, 2015

Oregon study suggests organic farming needs direction to be sustainable

A University of Oregon researcher found that large-scale organic farming operations are not reducing greenhouse gas emissions, despite being considered a sustainable alternative. The study suggests stricter adherence to sustainability-driven farm practices and increased governmental oversight are needed.

SourceUniversity of Oregon·JournalAgriculture and Human Values·DateJul 14, 2015

Combined use of antidepressants and painkillers linked to bleeding risk

A recent study published in The BMJ found that taking a combination of antidepressants and common painkillers increases the risk of bleeding. The researchers analyzed data from over four million patients and found a substantially increased bleeding risk with combined use of antidepressants and NSAIDs, especially in men.

SourceBMJ Group·JournalThe BMJ·DateJul 14, 2015

Stem cell transplant alleviates symptoms in lupus animal models

Researchers found that mesenchymal stem cells alleviate inflammation and nephritis in mice with SLE, suggesting a potential treatment for severe autoimmune diseases. The study showed that MSCs suppress T helper cell development, which helps to slow disease progression.

SourceCell Transplantation Center of Excellence for Aging and Brain Repair·JournalCell Transplantation·DateJul 14, 2015
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.

Innovative project brings peace to those near death: McMaster study

A new study led by McMaster University professor Dr. Deborah Cook found that a program honoring patients' last wishes creates meaning, memories, and closure at death. The Three Wishes Project, which involved 40 dying patients and their families, resulted in the implementation of 97.5% of requested wishes.

SourceMcMaster University·JournalAnnals of Internal Medicine·DateJul 14, 2015

Airway test reveals e-cigarette vapor produces similar result as air

Researchers used a unique combination of tests to investigate the potential adverse effects of e-cigarette vapour on airway tissue. The results show that despite six hours of exposure, the impact of e-cigarette vapour on airway tissue is similar to that of air.

SourceR&D at British American Tobacco·JournalToxicology in Vitro·DateJul 14, 2015
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.

Researchers create model of early human heart development from stem cells

Scientists at UC Berkeley and Gladstone Institutes develop a system to grow beating cardiac tissue from stem cells, allowing for the screening of drugs that may cause cardiac birth defects. The model uses patient-derived human pluripotent stem cells to mimic early heart development.

SourceUniversity of California - Berkeley·JournalNature Communications·DateJul 14, 2015

Dads' parenting of children with autism improves moms' mental health

Research suggests that fathers who read to their infants with autism and take active roles in caregiving activities can reduce mothers' depression and stress. The study found that when fathers engage in literacy and responsive caregiving activities, mothers report fewer depressive symptoms and improved well-being.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalMaternal and Child Health Journal·DateJul 14, 2015

Exercise may reverse age-related bone loss in middle-aged men

Middle-aged men with low bone mass can improve bone density through exercise-based interventions, such as weight-lifting and jumping programs. These exercises, completed for at least six months, increase bone mass in the whole body and lumbar spine, reducing the risk of osteoporosis.

SourceUniversity of Missouri-Columbia·JournalBone·DateJul 14, 2015

Spray application of respiratory cells holds promise for tissue engineering

A new study demonstrates the ability to apply a thin coating of viable respiratory epithelial cells to tissue engineered constructs using a commercially available spray device, providing a promising approach for repairing or replacing challenging structures like trachea or bronchi. The effects of air pressure and nozzle diameter on cel...

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalBioResearch Open Access·DateJul 14, 2015
Celestron NexStar 8SE Computerized Telescope

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

Study highlights pneumonia hospitalizations among US adults

A new study from Vanderbilt University Medical Center found that viruses, not bacteria, are the most commonly detected respiratory pathogens in U.S. adults hospitalized with pneumonia. The study highlights the need for more sensitive rapid diagnostic tests to identify pneumonia pathogens and target appropriate treatments.

SourceVanderbilt University Medical Center·JournalNew England Journal of Medicine·DateJul 14, 2015
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.

Obesity-related behaviors increase when school's out

Researchers found that children on summer break consume more sugar, watch more TV, and eat fewer vegetables than the rest of the year. Despite differences in obesity behaviors between income groups, overall patterns were similar across households above and below poverty thresholds.

SourceColumbia University's Mailman School of Public Health·JournalJournal of School Health·DateJul 14, 2015

Law governing anomalous heat conduction revealed

Researchers have discovered a new law governing anomalous heat conduction, which scales up with temperature in a power law manner. This finding challenges previous exponential scaling predictions and provides insights into the thermal transport of electrons.

SourceSpringer·JournalThe European Physical Journal B·DateJul 14, 2015

Benzodiazepines not recommended for patients with PTSD or recent trauma

A systematic review and meta-analysis concludes that benzodiazepines are not effective for posttraumatic stress disorder (PTSD) treatment and may even worsen symptoms. The study found that benzodiazepines were associated with no improvement in PTSD-related outcomes and increased the risk of developing PTSD in patients with recent trauma.

SourceWolters Kluwer Health·JournalJournal of Psychiatric Practice·DateJul 14, 2015
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.

Constant change

The determination of fundamental constants is becoming increasingly accurate, according to a review paper published this week. This will aid in the redefinition of standard scientific units, including the kilogram and the Kelvin, by 2018.

SourceAmerican Institute of Physics·JournalJournal of Physical and Chemical Reference Data·DateJul 14, 2015

New cell division mechanism discovered

A team of Canadian and British researchers has made a breakthrough discovery about the cell division mechanism, finding that chromosomes emit signals to influence microtubule action. This signaling pathway is crucial for the segregation of chromosomes during cytokinesis, a critical step in cell division.

SourceUniversity of Montreal·JournalNature·DateJul 13, 2015

Cancer survivors may face unique challenges when trying to adopt

A new study found that cancer survivors may face limited options for adoption due to agency policies, but a training program for oncology healthcare providers can provide valuable information. Cancer survivors often turn to adoption due to infertility caused by cancer treatments, but the process is long and costly.

SourceWiley·JournalCancer·DateJul 13, 2015
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.

New GSA Today science investigates lithosphere of the Central Iranian plateau

Research by Franz Neubauer and Fariba Kargaranbafghi reveals lithospheric thinning associated with the formation of a metamorphic core complex in the Central Iranian plateau. The study suggests that this process was linked to extension, upwelling of hot asthenosphere, and subsequent uplift of the plateau.

SourceGeological Society of America·JournalGSA Today·DateJul 13, 2015

Researchers find 1 in 4 dogs competing at Crufts is overweight

Researchers at the University of Liverpool found that up to 26% of show dogs, particularly pugs, Basset hounds, and Labradors, are overweight due to their breeding history for physical activity. The team graded body condition and found significant health issues such as arthritis, diabetes, and respiratory diseases in obese dogs.

SourceUniversity of Liverpool·JournalVeterinary Record·DateJul 13, 2015

Polymer mold makes perfect silicon nanostructures

Researchers at Cornell University have created a polymer mold that can shape liquid silicon into perfect, 3-D single crystal nanostructures. The breakthrough uses extremely short laser pulses to heat the silicon without degrading the polymer mold.

SourceCornell University·JournalScience·DateJul 13, 2015

Chemotherapeutic coatings enhance tumor-frying nanoparticles

Duke University researchers created a method to enhance tumor-frying nanoparticles with chemotherapeutic coatings, releasing drugs in heated tissue. The technique combines photothermal therapy with localized drug delivery, potentially increasing effectiveness.

SourceDuke University·JournalACS Biomaterials Science & Engineering·DateJul 13, 2015
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.

Researchers develop aerosolized vaccine that protects primates against Ebola

A collaborative team from UTMB and NIH develop an inhalable vaccine that protects primates against Ebola. The aerosol delivery method has shown promising results, with a single vaccination providing protection against the severe disease and death caused by lethal Ebola infection.

SourceUniversity of Texas Medical Branch at Galveston·JournalJournal of Clinical Investigation·DateJul 13, 2015

Nutrients turn on key tumor signaling molecule, fueling resistance to cancer therapy, Ludwig Cancer Research study shows

Researchers found that glucose and acetate can activate key tumor signaling molecule mTORC2, allowing tumors to resist targeted therapies like EGFR inhibitors. This discovery provides a potential window into treating glioblastoma, a deadly brain cancer with limited treatment options.

SourceLudwig Institute for Cancer Research·JournalProceedings of the National Academy of Sciences·DateJul 13, 2015

Cancers caught during screening colonoscopy are more survivable

Patients whose colorectal cancer is detected during a screening colonoscopy tend to live longer than those who wait until symptoms appear. The study found that these patients had cancer at an earlier stage and were more likely to survive beyond the study period, with about 55% surviving beyond the time of diagnosis.

SourceAmerican Society for Gastrointestinal Endoscopy·JournalGastrointestinal Endoscopy·DateJul 13, 2015
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.

Ocean warming leads to stronger precipitation extremes

Researchers studied extreme precipitation events in coastal regions near warm seas and found a strong link between ocean warming and increased precipitation intensity. The Black Sea and eastern Mediterranean have warmed by about 2C since the early 1980s, leading to more frequent and intense convective storms.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalNature Geoscience·DateJul 13, 2015

Heat buckyballs to help environment

Researchers at Rice University have made a breakthrough in developing tunable carbon-capture materials by heating buckyballs to alter their properties. This process enables the creation of materials that can selectively capture carbon dioxide from various sources, including industrial flue gases and natural-gas wells.

SourceRice University·JournalEnergy & Fuels·DateJul 13, 2015

Nanoscale light-emitting device has big profile

The researchers created a nanoresonator that can manipulate light to cast a large 'reflection', making objects appear 10,000 times larger than their physical size. This technology has huge implications for photography and solar power.

SourceUniversity of Wisconsin-Madison·JournalPhysical Review Letters·DateJul 13, 2015
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.

Researchers find nanowires have unusually pronounced 'anelastic' properties

Researchers from North Carolina State University and Brown University discovered that nanoscale wires have a significant anelasticity - they return slowly to their original shape when bent. The discovery was made while studying the buckling behavior of nanowires, and it has important implications for electronics and wearable devices.

SourceNorth Carolina State University·JournalNature Nanotechnology·DateJul 13, 2015

Better memory with faster lasers

Caltech researchers used ultrafast electron crystallography to visualize changing atomic configurations of phase-change materials. They discovered a previously unknown intermediate atomic state that represents a physical limit to data recording speeds.

SourceCalifornia Institute of Technology·JournalACS Nano·DateJul 13, 2015

Algae, quinoa, legumes top list of alternative protein choices

Research from the Institute of Food Technologists highlights algae, quinoa and pulses as promising alternatives to meat, rich in protein and low in environmental impact. These plant-based options are being increasingly adopted in food products, offering a sustainable solution for feeding the world's growing population.

SourceInstitute of Food Technologists·DateJul 13, 2015
Meta Quest 3 512GB

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

The quantum physics of artificial light harvesting

A team of researchers developed an artificial model system to study quantum effects in light harvesting, revealing a delicate interplay between molecular vibrations and electrons. The resulting theoretical model explains experiments perfectly, shedding light on the physical mechanisms necessary for energy-efficient photovoltaic cells.

SourceVienna University of Technology·JournalNature Communications·DateJul 13, 2015

Noninvasive prenatal testing may also detect some maternal cancers

A study published in JAMA reveals that noninvasive prenatal testing for fetal chromosome abnormalities can detect underlying conditions in the mother, including cancer. The test analyzes placental and maternal DNA to identify chromosomal abnormalities, but may also reveal undiagnosed cancers in mothers.

SourceTufts Medical Center·JournalJAMA·DateJul 13, 2015

Fossils indicate human activities have disturbed ecosystem resilience

A fossilized owl pellet study reveals that the small mammal community was stable and resilient around 13,000 years ago, but human-caused changes since the late 1800s have caused a massive drop in biomass and energy flow, indicating a loss of natural resilience

SourceOregon State University·JournalProceedings of the National Academy of Sciences·DateJul 13, 2015
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.

UB researcher explores first-responders' role in end-of-life calls

A new study provides a glimpse into the complex dynamics of end-of-life care and emergency response. Paramedics and EMTs often enter situations where a patient's end-of-life wishes contradict their professional code, requiring careful assessment and management to uphold those wishes.

SourceUniversity at Buffalo·JournalJournal of Pain and Symptom Management·DateJul 13, 2015

One in 4 UK show dogs competing at Crufts is overweight

Research published in Veterinary Record found that one in four UK show dogs competing at Crufts was overweight, despite breed standards emphasizing ideal condition. The study suggests that widespread online exposure of show dog images may be normalizing canine obesity.

SourceBMJ Group·JournalVeterinary Record·DateJul 13, 2015