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Science News Archive August 2019


Page 37 of 38

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.

Human genetic diversity of South America reveals complex history of Amazonia

A new study explores genetic roots of 26 populations from diverse regions and cultures of western South America and Mexico, revealing long-distance connections between speakers of the same language. Genetic analysis also found a distinct ancestry component in Amazonia present at high frequency in populations from Ecuador and Colombia.

Sustained police effort explains higher arrests for gun murders

A new study by Duke and Northeastern universities reveals that sustained police efforts lead to higher arrest rates for gun murders compared to nonfatal shootings. The researchers found that persistence in investigating fatal cases results in more arrests due to increased resources and cooperation from witnesses.

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.

Low level exposure to air pollution is harmful, mouse model shows

Researchers found that even low levels of traffic-related air pollution can cause inflammation and mitochondrial damage in the lungs of mice. The study's results suggest that people living alongside major traffic corridors should be aware of potential respiratory health risks.

Apple iPhone 17 Pro

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

Ancient plankton help researchers predict near-future climate

A new study uses ancient plankton fossils to infer temperature data from the Pliocene era, a geological epoch with CO2 levels similar to today's. The findings resolve discrepancies between climate models and other proxy temperature measurements, showing that the Pliocene is a good analog for future climate predictions.

Experimental treatment slows prion disease, extends life of mice

Scientists have developed an experimental treatment using antisense oligonucleotides that slows the progression of scrapie, a degenerative central nervous disease caused by prions, in laboratory mice. Mice treated with the treatment lived 81% longer than untreated mice, with median survival times of up to 250 days.

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.

Scientists crack the code to improve stress tolerance in plants

Researchers have discovered a novel epigenetic regulation mechanism that improves DNA damage response in plants, enabling them to withstand environmental stresses. The study reveals the role of histone demethylase LDL1 in suppressing RAD54's interaction with chromatin at damaged sites.

Study assesses outcomes for meth users with burn injures

Researchers found that meth-positive patients suffered worse injuries and longer hospital stays, but were more likely to leave against medical advice. The study suggests a need for additional resources and support for these patients to ensure successful recovery.

Pre-life building blocks spontaneously align in evolutionary experiment

Researchers found that amino acids linked up spontaneously into neat segments under conditions mimicking pre-life Earth. The preference for biological amino acids over non-biological counterparts suggests that early life may have selected a subset of building blocks based on their chemical properties.

Slip layer dynamics reveal why some fluids flow faster than expected

Researchers used a novel super-resolution microscopy technique to directly observe depletion layers in polymer solutions flowing through microchannels. The study found that changes to the depletion layer dimension occurred at unexpectedly low flow rates, and hydrodynamic lift forces played a key role in this phenomenon.

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.

Is your supercomputer stumped? There may be a quantum solution

A Berkeley Lab-led team used quantum annealing to solve a tough math problem that stumps even the world's most powerful supercomputers. The algorithm can evaluate multiple variables simultaneously and return the correct solution, potentially revolutionizing fields like systems engineering and operations research.

Anaemic star carries the mark of its ancient ancestor

A newly discovered ancient star contains a record-low amount of iron, hinting at the nature of the first stars in the Universe. The ultra-metal-poor red giant star has iron levels 1.5 million times lower than that of the Sun.

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.

New approach could make HVAC heat exchangers five times better

Researchers discovered that adding an organic solvent to common water-based turbulent heat exchange systems can boost their capacity to move heat by 500%. This approach achieves 10 times more improvement than other methods, revolutionizing heat exchange in HVAC and large-scale applications. The additive is non-corrosive, non-flammable,...

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.

Largest ever study finds links in epilepsy genes

A massive study involving 17,606 participants has identified rare genetic variations associated with a higher risk of epilepsy. The research found that both severe and less severe forms of the disease share similar genetic features, paving the way for more targeted treatments.

Mapping the Milky Way in three dimensions

Researchers have charted the Milky Way in three dimensions using thousands of pulsating stars, revealing a warped and twisted stellar disc. The new map provides a broad view of our place among the stars and constrains the previously observed shape of the Galaxy's disk.

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.

A scientific approach to recreate metabolic evolution in plants

Researchers at Chiba University successfully recreated the metabolic evolution of plants producing alkaloids by inserting a gene into a model plant. This method identifies newly generated substances, including cadaverine, 5-aminopentanal, and δ-valerolactam, which can be used to produce new compounds for drug industries.

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.

Toxic chemicals hindering the recovery of Britain's rivers

A recent study by Cardiff University and others found that Welsh rivers in urban locations have damaged food chains and fewer species of invertebrates compared to rural rivers. Persistent industrial pollutants like PCBs and PBDEs may be responsible for these effects, persisting despite being phased out.

Research cruise explores carbon cycle in deep ocean in Atlantic

A University of Maryland Center for Environmental Science-led research cruise is exploring the marine carbon cycle in the deep Atlantic Ocean. Scientists are analyzing bacterial diversity and function to better understand how cyanobacteria contribute to the process.

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.

From Japanese basket weaving art to nanotechnology with ion beams

Scientists at the University of Vienna have developed a method to produce ultradense arrays of magnetic quanta in high-temperature superconductors, inspired by traditional Japanese basket weaving art. The research uses a helium-ion microscope to create complex periodic arrangements with dense defect structures, which can be used to stu...

Satellite shows Tropical Storm Flossie holding up

Satellite imagery shows Tropical Storm Flossie maintaining its structure with little change from July 31 to August 1. The storm is expected to cross into the central Pacific basin late Friday or early Saturday and begin slowly weakening on Saturday.

Supercomputing improves biomass fuel conversion

Researchers used supercomputing and nano-imaging to reveal how a 'lignin-first' approach can facilitate the efficient breakdown of plant biomass. The study found that pretreating plant biomass with specific co-solvents, such as tetrahydrofuran and water, can help break down lignin and increase enzyme access to cellulose.

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.

Veterans with traumatic brain injuries have higher suicide risk

A study of over 1.4 million military veterans found that those with moderate or severe traumatic brain injury (TBI) are more likely to die by suicide, with a significant increase in firearm use as a means of suicide. The researchers emphasize the importance of screening for lifetime history of TBI to prevent future deaths by suicide.

From greenhouse gas to fuel

A novel catalysis system reduces carbon dioxide to methane in a single step, eliminating intermediate steps. The system uses copper and nanostructured silver surfaces, yielding higher methane concentrations than copper-only systems.

3D printing the human heart

A team of researchers from Carnegie Mellon University has developed a new technique to 3D bioprint tissue scaffolds out of collagen, allowing them to overcome challenges associated with existing methods and achieve unprecedented resolution and fidelity. The technique, known as Freeform Reversible Embedding of Suspended Hydrogels (FRESH...

UC researcher peeks at sex life of Pneumocystis pneumonia pathogen

A UC researcher has received a $1.9 million grant to study the sexual reproduction cycle of Pneumocystis pneumonia, a pathogen that causes lung infections in immunocompromised patients. Testing echinocandins as a potential therapy could block transmission of the pathogen.

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.

Storytelling bots learn to punch up their last lines

Researchers at Carnegie Mellon University developed a model for generating story endings that are both relevant and diverse. The algorithm incorporates key words from the early part of the story and rewards rare word usage to create interesting endings.

System to image the human eye corrects for chromatic aberrations

A new imaging system cancels chromatic optical aberrations in individual eyes, allowing for precise assessment of vision and eye health. The technology provides the first objective measurement of longitudinal chromatic aberrations (LCA), which could lead to insights into visual halos, glare, and color perception.

Promising new solar-powered path to hydrogen fuel production

A team of engineers at Lehigh University has successfully created a catalyst that uses sunlight to split water molecules, producing hydrogen. This process is performed at room temperature and under ambient pressure, making it a promising route towards a renewable energy-based economy.

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.

The curious tale of the cancer 'parasite' that sailed the seas

A contagious canine cancer has been found to have originated around 6,000 years ago in Asia and spread globally through maritime activities. The cancer's evolution has revealed unique signatures left by carcinogens, including exposure to UV light, which is also linked to human cancers.