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Science News Archive November 2017


Page 18 of 42

Production timings could stem illegal wildlife laundering

Researchers have developed a method to flag up potentially illegal wildlife trade by analyzing the growth rates of certain species. A study published in Biological Conservation has found that understanding these growth rates can help identify when an item is not yet legally available for sale, allowing authorities to act earlier.

Using social media big data to combat prescription drug crisis

A critical review of existing literature reveals that social media big data can be used to monitor and intervene on behalf of people with drug addiction and abuse problems. Researchers have developed an evidence-based framework to inform future social media-based substance use prevention and recovery programs.

The stacked color sensor

Researchers have developed a stacked color sensor using perovskites, which improves colour recognition and light sensitivity. This allows for more accurate image capture and enables the creation of smaller pixel sizes, potentially leading to higher spatial resolution in various analysis technologies.

Apple iPhone 17 Pro

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

Veni vidi vici: How natural killer cells conquer the superbug Klebsiella

Natural killer cells play a crucial role in controlling bacterial growth during lung infections, and their communication with immune response regulators helps orchestrate an antibacterial program. This study provides new insights into the development of novel therapeutics against multidrug-resistant pathogens.

New painkillers reduce overdose risk

Scientists at Scripps Research Institute developed new opioid pain relievers that are as potent as morphine but do not slow or stop breathing, reducing the risk of overdose. The compounds show a spectrum of bias between signaling pathways, providing an opportunity to expand the therapeutic window and administer drugs safely.

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.

MUSC leads research on potential lupus treatment

Researchers at MUSC are testing whether mesenchymal stem cells can help people with treatment-resistant lupus. The study, led by Gary Gilkeson and Diane Kamen, marks a milestone in lupus research and aims to develop better treatments.

Bacteria in a beetle makes it a leaf-eater

A leaf-eating beetle has evolved a symbiotic relationship with bacteria that allows it to break down pectin, a plant cell wall component. The bacterium, which has a tiny genome, has the power to degrade pectin, enabling the beetle's digestive system to access nutrients.

'Ion billiards' cue novel material synthesis method

Researchers at Hokkaido University have developed a novel material synthesis method that utilizes protons to introduce ions into host materials. This liquid-free process enables the homogenous introduction of various ions, such as lithium and sodium, into tantalum sulfide, maintaining its crystallinity.

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.

Stress can lead to risky decisions

Researchers found that stressed animals chose high-risk options despite increased costs, and restored normal behavior by manipulating the prefronto-striosome circuit. This study suggests a potential method for treating disorders like depression and addiction.

Math gets real in strong, lightweight structures

Rice researchers successfully printed complex schwarzite structures with computer algorithms and 3-D printers, showcasing their strength, lightness, and durability. The discovery may lead to high-load-bearing components for buildings, cars, and aircraft, as well as nanoscale electronic devices and battery components.

Tooth cavities can be fought 'naturally'

Galla Chinensis has been identified as a strong potential agent in preventing dental caries due to its antibacterial capacity and tooth mineralization benefit. The main active ingredient of Galla Chinensis is unknown, but medium molecular weight gallotannins have been shown to be most effective.

Paraplegic rats walk and regain feeling after stem cell treatment

Researchers have successfully treated paraplegic rats using human stem cells, which have shown significantly improved mobility and sensory perception after spinal cord injury. The engineered tissue containing stem cells also demonstrated some degree of spinal cord healing.

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.

Computer program finds new uses for old drugs

A computer program called DrugPredict has been developed to repurpose FDA-approved drugs for new indications, including the potential treatment of epithelial ovarian cancer. The researchers found that common pain medications like aspirin can kill ovarian cancer cells, and NSAIDs may also have applications in this area.

Progression from infection to pulmonary tuberculosis follows distinct timeline

Scientists followed 150 adolescents infected with M. tuberculosis for several years, finding elevated immune system activity 1-2 years before diagnosis and suppressed gene expression in T cells before active disease began. This study provides a clearer timeline of biological events leading to pulmonary TB development.

Kill switches for engineered microbes gone rogue

Researchers at Harvard's Wyss Institute have developed two new types of kill switches for engineered microbes, ensuring biocontainment and stable autonomous control. The Essentializer and Cryodeath systems use toxin/anti-toxin combinations to regulate bacterial growth and confine them to specific environments.

Unlocking the secrets of Ebola

Scientists have identified two biomarkers that accurately predict patient survival in Ebola cases. The study analyzed blood samples from survivors and fatal cases, revealing distinct metabolic responses and immune-related molecules. These findings could improve treatment allocation and patient outcomes.

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.

Microbial resident enables beetles to feed on a leafy diet

A bacterium in a species of leaf beetles provides the beetle with enzymes required to break down certain plant cell wall components. The symbiotic bacteria reside in special organs near the gut and have the smallest genome ever sequenced outside a host cell.

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.

Reversing opioid overdose: Concentrated naloxone nasal spray as good as injection

A recent study published in Addiction has found that a concentrated 2mg intranasal naloxone spray delivers naloxone as effectively as the standard 0.4mg intramuscular injection over the critical first 15 minutes. The nasal spray maintains blood levels of naloxone more than twice as high as the IM levels for two hours after administration.

Midwifery care at hospitals is associated with fewer medical interventions

A study by University of Massachusetts Amherst researchers found that hospitals with higher midwife-attended births had lower rates of cesarean deliveries and episiotomies among low-risk pregnancies. The findings suggest that increased access to midwifery care could enhance perinatal care and reduce costs.

More than a numbers game: New technique gauges microbial communities by biomass

A new method assesses microbial community structure by quantifying protein abundance, revealing more about the role of microbes in animal and plant health, disease, and environmental processes. The technique was tested in various environments, including Rocky Mountain alkaline soda lakes and human saliva, with promising results.

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.

Study: For older women, every movement matters

A UB-led study of over 6,000 older women found that those who engaged in 30 minutes of light physical activity per day had a 12% lower risk of death. Moderate to vigorous activities also showed significant mortality benefits, extending to women with high and low functional ability.

Groundwater recharge in the American west under climate change

A new study projects that groundwater recharge will increase in the northern US and decrease in the south as climate change takes hold. The research used global climate models and found varying effects across different hydro-climatic regions, highlighting the need for better management and policy.

Identified: Power grid links vulnerable to cascading failures

A new study found that a small set of vulnerable patches in power grid networks disproportionately cause costly cascading failures. The study analyzed data from the U.S.-Canadian power grid system and developed a model of network connectedness, revealing that only 10.8% of links ever underwent primary failure.

Sabga Foundation pledges $1 million towards TGen pancreatic cancer research

The Sabga Foundation has pledged $1 million to support a clinical trial at the Translational Genomics Research Institute (TGen) in testing revolutionary new treatments for pancreatic cancer. This initiative aims to find answers to eradicate this devastating disease, which claims hundreds of thousands of lives worldwide.

Celestron NexStar 8SE Computerized Telescope

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

Epigenetics help keep the immune system running

Researchers have identified key epigenetic marks and proteins that control the production of antibodies in the immune system. By understanding these systems, scientists hope to develop new diagnostic tests and therapies to boost the body's response to infection.

Solar minimum surprisingly constant

Researchers analyzed over 60 years of solar microwave data and found consistent microwave intensities and spectra at the minimums of each cycle, contrasting with varying intensity and spectrum during periods of maximum solar activity. This discovery sheds light on understanding the creation and amplification of solar magnetic fields.

A study proposes to elaborate the term 'parental abuse by children'

The study suggests alternative terms like 'maternal abuse by children' to clarify the main victim. Researchers found that mothers are predominantly victims, followed by fathers, who often face abuse alongside their mothers. The study emphasizes the need for further research from a legal perspective.

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.

NSF-supported scientists present research

Researchers at Critical Zone Observatories (CZOs) will discuss various topics related to the critical zone, a region where fresh water flows, rock turns to soil, and life flourishes. Studies include the effects of Hurricane Maria on the Luquillo, Puerto Rico, critical zone and wildfire in the critical zone.

'The Brazilian Zika outbreak could end soon'

Scientists from the German Center for Infection Research found that the Zika virus has a high seroprevalence rate in Salvador, northeastern Brazil, suggesting that further outbreaks are unlikely. The study linked this finding to increased population immunity and socioeconomic factors such as poverty.

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.

Workplace sexual harassment 'a chronic problem,' says APA president

Research suggests that workplace sexual harassment is primarily aimed at women but can affect men as well. Women tend to report more adverse effects than men, including anxiety, depression, and post-traumatic stress. Organizational climate and hierarchical power dynamics are key predictors of workplace sexual harassment.

Passenger pigeon genome shows effects of natural selection in a huge population

A new study analyzes DNA from museum specimens and finds that passenger pigeons' low genetic diversity was caused by natural selection, which spread beneficial mutations rapidly and eliminated deleterious ones. The research suggests that the species' adaptation to large flocks may have become a liability when their population declined.

New imaging technique peers inside living cells

A novel imaging system called Ultrasound Bioprobe enables high-resolution views of sub-cellular structures in live cells, overcoming previous limitations. This breakthrough has potential applications in early diagnostics and therapeutic strategies for diseases.

Helping children with ADHD thrive in the classroom

Researchers at University of Kentucky have developed an after-school program to help children with ADHD succeed academically and build confidence. The program uses small group activities and explicit comprehension strategies to improve academic performance.

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.

A structural clue to attacking malaria's 'Achilles heel'

Scientists provide detailed picture of how human antibodies bind to malaria parasite's circumsporozoite protein, a key target for vaccine development. The study could lead to enhanced efficacy and duration of protection against malaria.

Study shows codeine prescribed to children despite FDA warning against it

A new study reveals that codeine was still being prescribed to one in 20 children undergoing tonsil and adenoid surgery two years after the FDA issued a warning about its risks. The research suggests safer alternatives like acetaminophen and ibuprofen can be effective for managing post-surgical pain.

Gene discovery may halt worldwide wheat epidemic

Researchers at UC Davis identified a gene that enables resistance to Ug99, a devastating strain of stem rust threatening global food security. Breeders can use molecular markers to select for the genes and develop varieties with multiple resistance levels.

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.

Intervention becomes first to successfully reduce risk of dementia

A randomized controlled trial found that computerized speed of processing training significantly reduced the risk of dementia among older adults. Participants who completed more training sessions had lower risk, with a 5.9% incidence rate compared to 10.8% in the control group.

Genomic study explores evolution of gentle 'killer bees' in Puerto Rico

Africanized honey bees, which are more docile than other so-called 'killer bees', retain most of their African heritage but have shifted genetic traits towards European honey bees. This rapid evolution likely occurred due to living on a densely populated island where humans eradicated aggressive bees, favoring the gentler counterparts.

Micro-spectroscopy opens new routes for diagnostics

Researchers develop a new spectrometer to analyze single living cells in situ, providing mechanical and chemical maps of the system. The study reveals that oncogene expression causes significant softening in cells, making them more invasive.

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.

Discovery of a promising medication for amyotrophic lateral sclerosis (ALS)

Researchers have discovered a potential treatment for amyotrophic lateral sclerosis (ALS) using the medication pimozide, which was found to stabilize progression and alleviate symptoms in animal models. A limited clinical trial on human subjects suggests that pimozide may be effective in improving patients' quality of life.

Study reveals how the songbird changes its tune

Finches learn to adjust their songs depending on the situation they are in, with two distinct brain regions involved in this process: one for generalizable rules and another that can override them. This study provides insights into how humans learn complex behaviors like language and movement disorders.

Grand Challenges Explorations grant for Strathclyde

The University of Strathclyde has received a Grand Challenges Explorations grant to monitor premature and at-risk babies using a new skin-worn sensor. The Neo-PATch prototype detects plasma analytes without blood samples, enabling timely treatment and keeping newborns safe with their mothers.