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Science News Archive April 2017


Page 5 of 37

Digital life project uses 3-D to document endangered frogs

The Digital Life project has released 15 three-dimensional models of live frogs, including several endangered species, to raise awareness about their vulnerability to ecological threats. The project aims to promote conservation, education, and science by showcasing the extraordinary beauty and diversity of these animals.

Study signals need to screen genes for stem cell transplants

Researchers found that human pluripotent stem cells can acquire mutations in the TP53 gene, a tumor suppressor responsible for controlling cell growth and division, highlighting the need for genetic screening methods to exclude mutated cells from scientific experiments and clinical therapies.

Apple iPhone 17 Pro

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

New test assesses sperm function

A new test evaluates sperm's capacitation ability, allowing for more accurate diagnoses of male infertility. The Cap-Score Sperm Function Test shows promise in increasing conception rates among men with unexplained infertility.

Stabilizing molecule could pave way for lithium-air fuel cell

Researchers at Cornell University have developed a new stabilizing molecule that could improve the efficiency of lithium-air fuel cells, addressing issues such as poor rechargeability and high overpotentials. The molecule protects electrodes from degradation and promotes ion transport, paving the way for more sustainable energy solutions.

Headless dinosaur reunited with its skull, one century later

Researchers at the University of Alberta successfully reunited a headless Corythosaurus skeleton with its skull, previously collected in 1920. This discovery highlights the growing field of study in paleontology and showcases new methods for matching specimens.

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.

Emerging companies aim to treat conditions that medication cannot relieve

Several emerging companies are developing innovative neuromodulation therapies to alleviate conditions such as autism spectrum disorder, spinal cord injury, and persistent pain. BioInduction Ltd.'s Picostim and BlueWind Medical's RENOVA iStim aim to provide targeted stimulation for various clinical indications.

Berkeley Lab scientists discover new atomically layered, thin magnet

Researchers at Berkeley Lab have discovered a new atomically layered, thin magnet in a two-dimensional material, revealing intrinsic ferromagnetism and unprecedented control over ferromagnetic behavior. The discovery has major implications for nanoscale memory, spintronic devices, and magnetic sensors.

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.

Do medical marijuana laws promote illicit cannabis use and disorder?

Research finds that medical marijuana laws are associated with higher rates of illicit cannabis use and disorders, particularly in states with earlier laws. The study analyzed data from three national surveys and found significant increases in cannabis use and disorders between 1991-1992 and 2012-2013.

Sun's eruptions might all have same trigger

Researchers found that coronal jets and CMEs are triggered by magnetic reconnection, a process where stressed filaments break through their magnetic restraints. The study provides a theoretical universal model for solar eruptions, covering all scales from small jets to large CMEs.

Engineers shine light on deadly landslide

A recent landslide in Washington killed 43 people, prompting researchers to investigate the disaster. The study found that the landslide's height and potential energy were primary factors, but also revealed the importance of sediment type, precipitation, and erosion.

Media portrayal of public shooters can perpetuate stereotypes

Researchers found that media portrayals of public shooters vary based on the race of the shooter, with black and Hispanic shooters more likely to be labeled as thugs. White shooters, on the other hand, are often attributed to mental illness, perpetuating negative stereotypes.

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.

Hard rocks from Himalaya raise flood risk for millions

Scientists at University of Edinburgh have found that landslides in southern Himalayan regions can increase flood risk by altering river paths with gravel and pebbles, while softer rocks in northern regions produce dispersed sand downstream. The study helps improve flood risk maps for the Ganga Plain, affecting millions.

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 model could help predict major earthquakes

Researchers at Nagoya University and their colleagues studied historical seismic events to shed light on the mechanisms behind earthquakes at a plate boundary. They found that stronger earthquakes involved ruptures at different sites, providing new insights into risk prediction tools for assessing earthquake likelihood and intensity.

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.

Rationale and prospects of targeting bacterial 2-component systems

Researchers review key two-component systems in pathogens causing CF lung disease, finding potential for histidine kinase inhibitors to treat infections. TCS inhibitors alone or combined with existing treatments show promise for addressing antibiotic resistance in CF patients.

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 chicken-egg question: Where do baby genes come from?

Researchers found that new genes are more likely to appear in full form rather than gradually evolving through proto-genes. This is because non-coding DNA sequences give rise to highly ordered proteins, which are often deleterious to the organism.

Newly prescribed sleeping pills increase risk of hip fracture

A new study by Cardiff University and King's College London found that newly prescribed sleeping pills like benzodiazepines and 'Z-drugs' significantly increase the risk of hip fracture in people over 65. The study also identified a 53% increase in fracture risk for medium-term users and a 20% increased risk for long-term users.

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.

p53 critical to recovering from acetaminophen overdose

Researchers found that the p53 protein plays a key role in preventing acetaminophen-induced liver damage and promoting regeneration. Activation of p53 helps prevent injury progression while inhibition stimulates liver repair, offering hope for new treatment options.

'First arrival' hypothesis in Darwin's finches gets some caveats

Researchers confirm importance of first arrival for promoting species diversification in a test tube experiment with bacterial species. The study extends the 'first arrival' hypothesis with caveats, suggesting that earlier arrival allows for greater diversification if competing species are similar ecologically.

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.

Penn researchers quantify the changes that lightning inspires in rock

Researchers at Penn University studied the effects of a lightning strike on granite rock, using X-ray diffraction analysis to determine the mineral content and temperature. The study found that the rock was raised from ambient temperatures to at least 1,700 degrees Celsius, with organic material trapped in the glass layer.

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.

Fluke 87V Industrial Digital Multimeter

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

Nanoparticles can travel from lungs to blood, possibly explaining risks to heart

Researchers tracked gold nanoparticles after inhalation, finding they accumulated at inflamed vascular sites and preferredentially reached susceptible areas of the cardiovascular system. This suggests that nanoparticles could increase the likelihood of heart attacks or strokes in individuals with pre-existing cardiovascular conditions.

Researchers explore personalized pharmacotherapy to treat panic attacks

Researchers investigated whether easily identifiable patient characteristics can improve treatment outcomes for panic disorders. They found correlations between longer illness duration and lower response rates to venlafaxine XR, higher age and increased side effects with paroxetine, and longer treatment durations and improved response ...

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.

Link discovered between immune system, brain structure and memory

Studies reveal that genes involved in immune regulation are linked to brain thickness and memory functions, particularly emotional experiences. A specific gene variant is also associated with increased activity in regions of the brain important for traumatic memories.

Illuminating the secret of glow-in-the-dark mushrooms

Scientists have elucidated the molecular components involved in fungal bioluminescence, discovering a fluorescent mushroom species that produces a unique equivalent of oxyluciferin. Fungal luciferase may interact with multiple derivatives of fungal luciferin, leading to changes in emission intensity and color.

New study deems dairy 'excellent' source of protein for children

Researchers at University of Illinois conducted a study to calculate protein scores for eight sources of protein derived from both plants and animals. The digestible indispensable amino acid score (DIAAS) method was used, which showed all dairy proteins met Food and Agriculture Organization standards as 'excellent/high' quality sources.

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.

The clever cell

The University of Konstanz's biological chemistry working group has decoded a molecular mechanism that inhibits bacterial populations' swarming motility. This mechanism enables bacteria to produce various natural substances using minimal resources, which may aid in combating infectious diseases and antibiotic resistance.

Conservation endocrinology sheds light on a changing world

Researchers using endocrine markers can monitor ecological responses to climate change and plan conservation efforts. This emerging field aims to improve conservation biology by studying the impact of environmental stressors on species health.

Synthetic two-sided gecko's foot could enable underwater robotics

Researchers have developed a double-sided adhesive that can stick and unstick to surfaces in wet conditions, inspired by geckos' ability to attach and release their feet. This material could enable underwater robotics, sensors, and other bionic devices with improved friction and adhesion levels.

New consensus published on preventing and treating sport-related concussions

Researchers at the University of Calgary have published a new international consensus statement on concussion in sport, which includes new guidelines for detecting, assessing, treating, and preventing sport-related concussions. The statement emphasizes the importance of recognizing and removing athletes from the sporting environment if...

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.