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Science News Archive July 2019


Page 31 of 41

Clownfish reproduction threatened by artificial light in coral reefs

A new study by Flinders University and the University of Melbourne found that artificial light pollution can prevent clownfish eggs from hatching. The presence of artificial light at night (ALAN) masks natural cues, leading to a zero success rate for test eggs incubated in its presence.

Tungsten as interstellar radiation shielding?

Researchers discovered a nanoscale tungsten-microbial interface that enables the growth of heat-loving microorganisms. This finding has implications for the survivability of microorganisms in outer space and the potential use of tungsten as interstellar radiation shielding.

Mathematical modeling for translational research of new CRSD medication

A mathematical modeling study reveals that photosensitivity and PER2 level affect the efficacy of a clock-modulating drug, enabling precision medicine for circadian disruption. The researchers identified adaptive chronotherapeutics to identify precise dosing regimens that can restore normal circadian phase under different conditions.

Apple iPhone 17 Pro

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

On-demand control of terahertz and infrared waves

Graphene's ability to control infrared and terahertz waves using magnetic fields has been confirmed experimentally, opening up new possibilities for opto-electronics, telecommunications, and medical diagnostics. The research also shows that graphene can be used to observe molecular chirality and search for life on exoplanets.

US Naval Research Laboratory 'connects the dots' for quantum networks

Researchers at US Naval Research Laboratory developed a new technique that enables precise control over quantum dot wavelengths, paving the way for breakthroughs in quantum information technologies and brain-inspired computing. This achievement could lead to new technologies that harness the strange properties of quantum physics for co...

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.

Physicists' finding could revolutionize information transmission

A team led by UC Riverside physicists has identified dark trions as a promising carrier of quantum information, with a lifetime of over 100 times longer than bright trions. This breakthrough could revolutionize information transmission and enable new ways of data transfer.

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.

Elbows key for walkers' efficiency

Researchers found that walkers who use straight arms conserve energy and reduce their cost by 11% compared to bending their elbows. However, the study did not find any significant difference in energy costs between arm postures for runners. The exact reason behind runner's bent arm posture remains a mystery.

Cancer study to ease plight of people at advanced stages of illness

Researchers are testing a therapy called bermekimab, which blocks inflammation and pain-causing molecules in the immune system. The trial aims to improve outcomes in lung, pancreatic and ovarian cancer patients, with the goal of reducing symptoms such as weight loss and decreased mobility.

Exercise improves brain function in overweight and obese individuals

A study led by Dr. Stephanie Kullmann found that exercise improves brain function in overweight and obese individuals by normalizing brain functions important for metabolism and increasing regional blood flow in areas of the brain dependent on dopamine. Participants also reported improvements in mood and executive function.

How to equip the brake of immunity

Researchers at Toho University found that mice lacking JunB develop severe autoimmune disorders due to reduced Treg cell number. Injecting high doses of IL-2 can mitigate colitis by expanding Treg cells, suggesting a potential novel strategy for treating inflammatory diseases.

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.

Charge transfer within transition-metal dyes analysed

A team of researchers at HZB has investigated the fundamental photochemical processes around metal atoms and its ligands in transition-metal dyes. They found that charge carriers are not spatially separated as previously assumed, but rather undergo a rapid recombination process.

Hinge-like protein may open new doors in cystic fibrosis treatment

Researchers characterized the interaction between potentiators and cystic fibrosis transmembrane conductance regulator (CFTR) protein at atomic resolution. The study found that two distinct compounds act on the same region of CFTR, pointing to strategies for developing more effective drugs.

Cyborg-like microchip valve driven by earthworm muscle

The team of researchers from RIKEN BDR and Tokyo Denki University have developed a bio-MEMS that is driven by real muscle, which could be useful in surgical implants. The new study successfully demonstrates an on-chip muscle-driven valve that can open and close without any external power source.

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.

Aphrodisiac pheromone discovered in fish semen

Researchers identified a potent pheromone called spermine in the semen of sea lampreys that attracts only ovulatory female sea lampreys. The discovery may reveal a new mechanism for male animals to recruit mates through chemical cues in semen, potentially with implications for conservation and management of sea lamprey populations.

A clearer picture of global ice sheet mass

Scientists have made significant advancements in measuring global ice sheet mass using satellite imaging and remote sensing equipment, allowing for greater detail than ever before. This improves the connection between climate variations and ice mass changes over time.

Lovebirds ace maneuvers in the dark

Researchers at Stanford University found that lovebirds can navigate through extreme crosswinds in both bright and dark environments, challenging long-held assumptions about bird navigation. By stabilizing their gaze and twisting their necks, the birds actively control their flight towards a light beacon.

NSF funds Bridges-2 supercomputer at PSC

The National Science Foundation is funding a new supercomputer at the Pittsburgh Supercomputing Center (PSC) with a $10-million grant. The Bridges-2 system will provide massive computational capacity and flexibility to researchers in Pennsylvania and nationwide.

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.

Strengthening muscle may be healthier than losing fat

Researchers suggest that strengthening muscles, rather than losing fat, may be a better way to protect against weight-related health risks like diabetes and cardiovascular disease. Muscle health is linked to metabolic function, insulin sensitivity, and glucose uptake, making it a potential indicator of overall health.

Decades-long butterfly study shows common species on the decline

A long-term study of butterflies in Ohio found that common species are declining at a rate of 2% per year, resulting in an overall 33% decrease over 21 years. This trend is consistent with other monitoring programs in Europe and highlights the impact of environmental changes on insect populations.

New analysis shows drug slows down respiratory decline

Eteplirsen shows supportive results in delaying respiratory decline in DMD patients, with slower rates of decline observed in both ambulatory and non-ambulatory patients. This may have notable positive implications on quality of life and potentially delayed mortality.

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.

Small-volume, high-throughput organic synthesis

A new method for synthesizing and evaluating large numbers of potential drug leads has been developed by the University of Groningen. This technique uses acoustic dispensing to create thousands of variant molecules in a high-throughput system, making it possible to quickly identify promising candidates.

Breaching a 'carbon threshold' could lead to mass extinction

A study found that pushing past a critical threshold in the carbon cycle can trigger extreme ocean acidification, potentially leading to mass extinctions. The research suggests that once this threshold is breached, the Earth's response becomes self-sustaining, amplifying the effects of initial triggers.

Hormone therapy for prostate cancer may raise risk of Alzheimer's, Dementia

A Penn study of over 150,000 men with prostate cancer found that hormone therapy increased the likelihood of developing Alzheimer's disease or dementia. The treatment was associated with a 14% increased risk of Alzheimer's and a 20% increased risk of dementia compared to patients who did not receive hormone therapy.

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.

Cultural drive breeds war in new evolutionary theory

Researchers developed a mathematical model to understand intergroup conflicts, finding that acculturation can promote the evolution of conflict. The study suggests that groups may fight for fighting's sake, despite costs, and that cultural evolution can spread conflict.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Tundra soil microbes and climate change

Researchers observed increased methanogenesis genes at upper layers of warming permafrost, while carbohydrate metabolism genes were more abundant at shallower depths. This study provides insight into tundra microbial responses to experimental warming.

The declining impact of federal funding on cancer innovation

A recent study by Waseda University reveals a decline in federally funded inventions and their technological impact, suggesting a need for a more effective grant review system. Strengthening translational science through targeted initiatives can help bridge the gap between bench-to-bedside research.

BU finds police shooting racial disparities reflect segregation

A new study by Boston University School of Public Health found that racial residential segregation explains greater racial disparities in fatal police shootings. The ratio of Black to White victims of police shootings increases by 44% for each percent of a city's Black population that would need to move for an equal distribution.

New method may resolve difficulty in measuring universe's expansion

Astronomers have developed a new method to measure the expansion of the Universe by analyzing neutron star mergers and gravitational waves. This technique uses the orientation of the gravitational wave signal to determine the distance, providing a new 'cosmic ruler' for measuring the Hubble Constant.

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.

Becoming new parents increases produce purchases

A new study found that becoming new parents leads to increased spending on produce in middle- and high-income households, with a significant increase in fruit consumption. However, lower-income families did not exhibit similar changes in their produce purchases.

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.

'Curvy bacteria' weigh the benefits of different shapes

Researchers found that curved shapes can facilitate efficient swimming and chemotaxis, but come with higher cell construction costs. This discovery opens questions about the shape of disease-causing bacteria and its potential industrial applications.

More money, more gabapentin

Research found that more physicians receiving industry money prescribed brand-name gabapentin, increasing concerns about its potential for abuse. Gabapentin prescriptions have tripled in the US since 2002.

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 can finally modify plant mitochondrial DNA

Researchers have successfully edited plant mitochondrial DNA for the first time, paving the way to address the current lack of mitochondrial genetic diversity in crops. This technique, called mitoTALENs, uses a single protein to locate and delete specific genes, potentially adding much-needed diversity to the food supply.

Producing graphene from carbon dioxide

Researchers at Karlsruhe Institute of Technology (KIT) have developed a method to directly synthesize graphene from greenhouse gas carbon dioxide. The process involves a catalytically active metal surface, resulting in a simple one-step conversion. This breakthrough could lead to the production of valuable materials and contribute to r...

Playfully discover atom manipulation

The University of Vienna team uses a state-of-the-art electron microscope to demonstrate atom manipulation in graphene, revealing the locations of silicon impurities. A new online simulation game, Atom Tractor Beam, allows users to control the movement of these impurities using an electron beam.

Researchers show that the composition of human skin microbiome can be modulated

Researchers at Universitat Pompeu Fabra and S-Biomedic demonstrated the use of living bacteria to temporarily modulate skin microbiome composition. The study, published in Microbiome, found that probiotic solutions from donor microbiomes can be applied to recipients, leading to a shift towards a healthier microbiome state.

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.