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Science News Archive 2017


Page 130 of 461

Alcohol use affects levels of cholesterol regulator through epigenetics

Researchers found that drinking alcohol induces changes to a cholesterol-regulating gene, PCSK9, leading to differences in how cholesterol is processed. Higher methylation and gene expression of PCSK9 were associated with chronic heavy alcohol use, which can lead to lower PCSK9 protein levels due to liver damage.

Scientists make atoms-thick Post-It notes for solar cells and circuits

Researchers at the University of Chicago have developed a method to make stacks of semiconductors just a few atoms thick, offering a simple and cost-effective way to produce thin, uniform layers. This breakthrough could enable the creation of smaller, faster electronics with unique properties.

When residents take charge of their rainforests, fewer trees die

A new study from Ohio State University found that community forest concessions in Guatemala's Maya Biosphere Reserve slowed deforestation by almost 8%, compared to areas without management and ownership. The programs also preserved biodiversity, history, and culture, while reducing carbon levels.

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.

Naked molecules dancing in liquid become visible

Researchers at IBS Institute for Basic Science observed polymers in liquid inside graphene pockets without staining, revealing their dynamic movement. The study paves the way for observing life's building blocks and self-assembly of materials.

Oxytocin turns up the volume of your social environment

A new study from the University of California, Davis, suggests that blocking oxytocin in the brain may be a better option for relieving stress and enhancing social life. Researchers found that oxytocin amplifies both positive and negative social interactions, but its effects vary depending on the brain region it acts upon.

Apple iPhone 17 Pro

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

Communication key to preventing spread of drug-resistant bacteria

A study by Oregon State University and the Oregon Health Authority identified 21 cases of extensively drug-resistant Acinetobacter baumannii, a rare gene responsible for antibiotic resistance. Effective communication between facilities can prevent transmission and ensure appropriate contact precautions are taken.

Dinosaur evolution: Lumbering giants had agile ancestors

Researchers discovered that early sauropod dinosaurs like Saturnalia tupiniquim were capable of a bipedal gait and had agile ancestors. The brain structure of S. tupiniquim revealed specific features enabling it to track moving objects with its eyes, execute rapid movements of its head and neck in a coordinated fashion.

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.

Protected waters foster resurgence of West Coast rockfish

A new study finds that protected waters have fostered a resurgence of West Coast rockfish, with larvae increasing in number within conservation areas. The research suggests that these areas can seed surrounding waters with offspring, supporting the long-term recovery of the species.

Imagining a world without species

A theoretical physicist proposes an alternative approach to species classification by considering the dynamics of microbial communities as a whole. This framework may help researchers better understand complex biological systems and their role in human diseases.

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.

Immune cells produce wound healing factor, could lead to new IBD treatment

A study found that macrophages can produce Interleukin-10 (IL-10), a healing factor, which promotes wound repair in the intestine. This discovery could lead to new treatments for inflammatory bowel disease (IBD). The researchers used a colonoscope with biopsy forceps to create a wound in mice and observed its healing process.

Hubble discovers a unique type of object in the solar system

Astronomers have observed a unique type of object in the asteroid belt between Mars and Jupiter, revealing two asteroids orbiting each other and exhibiting comet-like features. The research provides crucial information about the origin and evolution of main-belt comets, which can help answer questions about how water came to Earth.

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.

Mathematics predicts a sixth mass extinction

A study by MIT professor Daniel Rothman suggests that a sixth mass extinction may occur if the world's oceans hold enough carbon to destabilize the system. By 2100, human activities are estimated to add about 310 gigatons of carbon to the oceans, potentially tipping the planet into unknown territory.

Study: US women report diverse preferences related to sexual pleasure

A study by Indiana University researchers found that US women have diverse preferences for genital touch, location, pressure, shape, and pattern, with 41% preferring a single style of touch. The study also revealed that nearly 75% of women require clitoral stimulation to achieve orgasm during intercourse.

Researchers identify millions of new genes in the human microbiome

A recent study has uncovered millions of previously unknown genes from microbial communities in the human gut, skin, mouth, and vaginal microbiome. The research triples the amount of data previously analyzed and provides new insights into the role these microbes play in human health and disease.

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.

Bite force research reveals dinosaur-eating frog

A study found that living South American horned frogs have similar bite forces to mammalian predators, capable of subduing prey much larger than themselves. The research estimated the bite force of the giant extinct frog Beelzebufo may have had a bite up to 2200 N.

Motivation may be less limited than we think

Researchers gathered data from over 16,000 students and found no evidence that motivation decreased despite prolonged effort on a single task. Instead, motivation increased as new tasks were completed, suggesting that self-control may be stable throughout the day.

Removing the roadblocks to a more efficient car engine

Researchers at the University of Houston are developing next-generation catalytic converters to reduce harmful emissions and improve fuel efficiency. The project aims to find new materials that can operate effectively at low exhaust temperatures.

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.

Are weight loss drugs the next tool to combat cocaine addiction?

A Boston hospital is conducting a study on the use of lorcaserin to treat cocaine addiction, targeting serotonin receptors in the brain. The goal is to reduce cravings and rewards associated with cocaine use, with the potential to provide a real game-changer for treatment options.

Small intestine permeable peptides facilitate digestive tract absorption

Researchers from Kumamoto University have identified a new cyclic peptide that facilitates the absorption of biopharmaceutical products in the small intestine. The discovery has significant implications for the development of orally administered drugs, including insulin and other life-saving medications.

Materials research science and engineering center receives $15.6 million grant

The Northwestern University Materials Research Science and Engineering Center has received a six-year, $15.6 million grant from the National Science Foundation to advance world-class materials research, education, and outreach. The center will support interdisciplinary research groups focusing on reconfigurable nanoelectronic materials...

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.

NASA finds very heavy rainfall in Hurricane Maria

The Global Precipitation Measurement mission found extreme storms within Hurricane Maria's feeder bands were dropping rain at an hourly rate of greater than 5.4 inches. The hurricane made landfall on Sept. 20 near Yabucoa, Puerto Rico, with maximum sustained winds reported to be 149.5 mph.

Researchers take tips from 'Twister' to chase elusive storm data

Penn State researchers create a low-cost delivery system for probes to collect thermodynamic data in storms, with successful launches into supercell storms. The new system aims to link temperature data with radar wind data to predict tornado formation and improve forecasts.

Winter restricts innovation

A new model for tropical plant biodiversity suggests that the storage effect enables tree species to coexist and is stronger in the tropics. Long-term forest monitoring data from 10 plots across 64 degrees of latitude reveal that successful reproductive events become more synchronized as latitude increases.

Fish may use different behaviors to protect against parasites

Research shows fish modify behaviors to avoid parasites, with behaviorally-modified individuals displaying increased surface activities and reduced swimming. This discovery could lead to new strategies for preventing parasite infections in aquaculture.

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.

Tablets can teach kids to solve physical puzzles

Researchers found that children can learn how to solve a puzzle on a tablet computer and transfer this learning to the same problem in the physical world. The study contradicts most previous research and suggests different screen learning media have varying effects on skill transfer.

Steering the immune defense against fungal pathogens

Researchers have developed bifunctional molecules that bind both chitin in fungal cell walls and human antibodies, redirecting the immune system to eliminate fungal pathogens. The new approach has shown synergistic effects with antifungal agents, holding promise for fighting echinocandin-resistant fungi.

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.

Two antibodies are better than one for preventing HIV infection

Researchers found that a combination of two broadly-neutralizing HIV-1 antibodies protected primates against infection with a mixed population of HIV viruses. The findings suggest that combination therapies might be essential to prevent HIV in people, highlighting the need for regimens that protect against several targets.

How do human impacts on wetlands affect animals?

Changes to wetlands alter animal populations, with reduced survival and reproduction in human-altered habitats. The study highlights the complex role of wetlands in human-altered ecosystems, which can provide important habitat but also pose risks to animals.

Monitoring the heart's mitochondria to predict cardiac arrest?

Researchers developed a device to assess mitochondrial oxygenation, predicting cardiac arrest in critically ill heart patients. The device uses resonance Raman spectroscopy to quantify oxygen levels and has been shown to accurately predict cardiac arrest with 97% specificity.

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.

One e-cigarette may lead to adrenaline changes in nonsmokers' hearts

A new study found that exposure to e-cigarettes with nicotine increases cardiac adrenaline levels, as indicated by abnormal heart rate variability. This increase is associated with a higher risk of death in people with known cardiac disease and those without, suggesting that e-cigarettes may not be safe for nonsmokers.

Shedding light on brain activity

The NEMONIC project aims to develop and widely share new optical brain-imaging techniques, enabling the recording of brain cells in action. The team, led by UCSB scientists, uses light to measure brain activity, overcoming technological bottlenecks to understanding the mind and brain.

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.

10,000-year-old DNA proves when fish colonialized our lakes

Researchers found that whitefish DNA in lake sediment dates back 10,000 years to Stora Lögdasjön, while Lake Hotagen was only colonized 2,200 years ago. This discovery provides insights into the spread of fish species and how they responded to climate change.

Plants combine color and fragrance to procure pollinators

A study by Cornell University researchers found that plants use coordinated signals of color and fragrance to attract insects, which are essential for pollination. The research provides a new framework for understanding the complex relationships between plants and their pollinators.

Both high, low levels of magnesium in blood linked to risk of dementia

A recent study published in Neurology found that both high and low levels of magnesium in blood may increase the risk of developing dementia. The research involved 9,569 participants who were followed for eight years, with those having high or low magnesium levels showing a 30% higher risk of dementia compared to the middle group.

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.

Bio-inspired approach to RNA delivery

Researchers at MIT have designed a synthetic delivery system that is four times more effective than delivering mRNA on its own. The system uses a protein cap and poly-A binding protein to help mRNA bind to ribosomes and begin translation, resulting in higher protein expression.

Real or fake? Creating fingers to protect identities

Researchers at Michigan State University have developed a new type of fake finger containing multiple properties of human skin, designed to test fingerprint recognition systems' resilience to spoof attacks. The synthetic fingers aim to improve the accuracy and security of fingerprint readers used in various applications.