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Science News Archive September 2017


Page 7 of 39

You've got questions? We've got evidence

A Canadian alliance led by Dr. Andrea Tricco aims to strengthen the health-care system by providing patients with access to relevant scientific evidence. The alliance will answer at least 100 questions over a five-year period using knowledge synthesis and collaboration with researchers, clinicians, and policy-makers.

NASA satellite temperatures reveal a stronger Hurricane Lee

A NASA satellite detected a strengthening Hurricane Lee, with colder cloud top temperatures indicating stronger storms. The storm's eye cleared out and warmed, while the eyewall cloud tops cooled to -81.4 degrees Fahrenheit, suggesting heavy rainfall potential.

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.

NSF grant supports biochemistry research and mentoring outreach

Professor Patricia Dos Santos of Wake Forest University has received a $680,000 NSF grant to support her biochemistry research and mentorship program. The grant enables her to work with graduate students and undergraduate researchers from local colleges, providing hands-on research experience and career development opportunities.

Using genetics to guide warfarin dosing after hip, knee replacement

A new study found that customizing warfarin dosing to a patient's genetic and clinical profile reduces adverse outcomes compared to clinically-guided dosing. The study involved 1,650 patients undergoing hip or knee replacement, who were randomly assigned to either genotype-guided or clinically-guided dosing.

Apple iPhone 17 Pro

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

Biochemists discover mechanism that helps flu viruses evolve

Researchers found that flu viruses can evolve rapidly due to their ability to hijack host chaperone proteins, which help mutated viral proteins fold and function. Targeting these proteins could delay viral evolution and decelerate escape from existing drugs and vaccines.

Quantum communications bend to our needs

Researchers demonstrate a nanoscale technique that uses semiconductor quantum dots to bend photons to the wavelengths used by today's popular C-band standards. This breakthrough enables entangled photons to impact cryptography and secure satellite communications.

General practitioners' home visit habits determine where patients die

A study by Anna Kirstine Winthereik shows that general practitioners who prioritize home visits reduce the time terminally ill cancer patients spend in hospitals and increase the likelihood of them dying at home. The study also highlights a positive correlation between frequent home visits and reduced hospital bed days.

Fluke 87V Industrial Digital Multimeter

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

Antibiotics warranted for kids with minor staph infections

Research led by Washington University School of Medicine finds that prescribing antibiotics in addition to lancing and draining staph-infected areas reduces the risk of recurrent infections. Clindamycin was found to be more effective at eliminating staph colonization than other antibiotics.

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.

New study shows aggressive policing link to major crime

A new study published in Nature Human Behaviour found that reducing systematic and aggressive policing measures can lead to a decline in major crime complaints. The researchers analyzed data from New York City's NYPD during a period when proactive policing was halted, revealing a 3-6% decrease in reported serious crimes.

Researchers have a new twist on asymmetric catalysis

Researchers at Osaka University have developed a highly efficient way to make unique screw-like chemicals that can produce pure mirror images of other molecules. The new sulfur-containing group could be used as asymmetric catalysts in reactions.

Meta Quest 3 512GB

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

No evidence of hidden hearing loss from common recreational noise

A recent study has found no evidence of auditory nerve injury or permanent hearing difficulties in young adults after attending a loud event. The research suggests that traditional hearing tests may not detect hidden hearing loss caused by recreational noise, highlighting the need for alternative testing methods.

Researchers identify possible biomarker for diagnosing CTE during life

Researchers have discovered a possible biomarker, CCL11, that may allow CTE to be diagnosed in living individuals. The study found elevated CCL11 levels in the brains of former football players with CTE compared to non-athletes and those with Alzheimer's disease. This discovery could lead to targeted treatments for CTE sufferers.

ACA Medicaid expansion cut disparities in cancer care for minorities, poor

A recent study by Duke Cancer Institute found that ACA Medicaid expansion significantly reduced uninsured rates among white patients and those living in higher-income areas, but had little impact on black patients and residents of high-poverty areas. In contrast, states without expanded Medicaid saw a decline in uninsured rates primari...

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.

Satellite shows Pilar reduced to remnants

Tropical Depression Pilar weakened to a remnant low pressure area, with disorganized clouds and weak convection south of Baja California. The National Hurricane Center forecasted scattered showers and thunderstorms in the region, yielding heavy rain.

Pigeons better at multitasking than humans

Researchers found that pigeons can switch between two tasks as quickly as humans, with a slight advantage in some cases. The key to this advantage lies in the dense packing of neurons in the avian brain, allowing for faster information processing and task switching.

NASA satellite data shows Hurricane Maria's strongest side

NASA's Aqua satellite provided infrared data on Hurricane Maria, revealing the coldest cloud tops and strongest storms were located in the eastern quadrant, which could produce heavy rainfall. The storm is expected to weaken due to cooler sea surface temperatures.

Artificial intelligence for obtaining chemical fingerprints

Researchers have developed a new method to simulate infrared spectra using artificial neural networks, reducing simulation time from thousands of years to minutes. This breakthrough enables the analysis of complex chemical systems and paves the way for widespread adoption in various fields.

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.

Umbilical cord stem cells show promise as heart failure treatment

A new study published in Circulation Research found that umbilical cord-derived stem cells improved heart muscle function and quality of life for patients with stable heart failure. The treatment was safe and showed significant improvements over placebo, paving the way for a promising new therapy.

DNA-level biomarker can predict overall survival for rare brain tumors

Researchers at Ohio State University Wexner Medical Center have discovered a DNA-level biomarker that can predict overall survival for patients with anaplastic astrocytoma, a rare form of brain cancer. The study found that MGMT promoter methylation status is significantly associated with overall survival outcomes.

Physicists achieve rapid magnetic switching with lasers

Researchers used advanced synchrotron measurement setup to study spin dynamics of ferrimagnetic thin films containing different proportions of gadolinium. They found that varying composition dramatically changed response to laser pulse, leading to improved switching speeds and precision.

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.

$1.4 million grant to fund LSU health research pipeline

The National Institute of General Medical Sciences awards LSU Health a $1.4 million grant to prepare individuals from underrepresented backgrounds for PhDs in biomedical sciences. The program aims to enhance the diversity of the biomedical research workforce and provide hands-on exposure to medical research.

'Hypermutators' drive pathogenic fungi to evolve more rapidly

A specific mutation in the DNA of the fungal pathogen Cryptococcus deuterogattii increases its mutation rate, allowing it to rapidly develop resistance to antifungal drugs like FK506 and rapamycin. This hypermutator trait is likely widespread among pathogenic fungi.

Postpartum depression risk, duration and recurrence

Postpartum depression affects over 5% of women after childbirth, with a risk of recurrence 21% for those with hospital contacts or antidepressant use. Treatment duration varies, with 27.9% still in treatment a year after first treatment.

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.

The 3-D selfie has arrived

Researchers have developed a web app capable of producing 3D facial reconstruction from a single 2D image. The technique, using Convolutional Neural Networks, allows for arbitrary facial poses and expressions, with over 400,000 users already trying it out.

A little tension yields enormous solar crystals

Scientists at KAUST and Oxford University have created a method to produce centimeter-scale, highly pure perovskite crystals by exploiting surface tension. This technique enables the growth of large-area perovskites without being limited to specific metal cations.

How to grow a spine

A team of researchers at Harvard Medical School has created a stable version of the segmentation clock in a petri dish, revealing its dynamic nature and control mechanisms. The discovery could lead to improved understanding of scoliosis and other human spinal defects.

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.

Doctors gain a greater understanding of skin cancer using tattoos

A study using temporary tattoos helped medical students develop a greater understanding of skin cancer and empathy for patients. The study found that wearing a realistic tattoo provided a powerful experience, allowing students to consider the person behind the illness.

Are children who see movie characters use guns more likely to use them?

A randomized experiment found that children who watched a PG-rated movie clip containing guns played with a disabled real gun longer and pulled the trigger more often than those who saw the same movie without guns. Children who saw the movie containing guns also played more aggressively and sometimes fired the gun at people.

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.

Treating post-diet body weight rebound

A new method targets the appetite-stimulating hormone ghrelin to prevent post-diet weight gain in mice. Mice treated with a virus expressing butyrylcholinesterase (BChE) gene therapy showed reduced weight regain and improved glucose tolerance after switching back to an unrestricted diet.

Click beetles inspire design of self-righting robots

Researchers have developed a self-righting robot inspired by the legless jumping mechanism of click beetles. The beetle's unique hinge-like structure allows it to flip back onto its feet after being knocked over, and the researchers aim to integrate this mechanism into their robot prototypes.

Child abuse affects brain wiring

Researchers found reduced myelin coating thickness and molecular alterations in brains of adults who experienced severe childhood abuse. These changes may contribute to depressive disorders, suicidal behavior, and altered emotional processing.

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.

Filter may be a match for fracking water

Rice University scientists developed a superhydrophilic membrane that can remove more than 90% of hydrocarbons, bacteria, and particulates from contaminated fracking water. The filter keeps emulsified hydrocarbons from passing through, allowing for reuse and reducing the need for storage or transportation.

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.

Lactation hormone also helps a mother's brain

Researchers found that signalling by prolactin to its receptors is essential for mothers to show vital maternal nurturing behaviour towards their young. This discovery may explain why some animal species abandon their young and highlights the importance of prolactin in establishing a bond between mother and baby.

A 'social control' system guarantees embryonic stem cell purity

A novel image analysis tool allowed researchers to observe which cells become 'losers' in cell competition and die, while others survive with higher Myc levels. This discovery reveals the importance of Myc levels in maintaining pluripotency during mammalian embryonic development.