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Science News Archive February 2021


Page 3 of 45

New training program enhances disaster preparedness for healthcare personnel

A new comprehensive course has been developed to enhance disaster preparedness for healthcare personnel, incorporating an interdisciplinary approach. The training program, conducted at the World Bosai Forum, focuses on skills such as psychological first aid, public health intervention, and crisis communications.

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.

Weakness is strength for this low-temperature battery

A new type of electrolyte weakly binds to lithium ions, enabling a battery to retain its capacity at -60 degrees Celsius. The researchers discovered that the binding strength between lithium and the electrolyte determines the battery's performance at low temperatures.

Sea turtle: Sentinels and victims of plastic pollution in the Adriatic Sea

A study by researchers at the University of Bologna found that sea turtles have high levels of plastic debris in their faeces, which can alter their gut microbiota and compromise their health. The Adriatic Sea is a major hotspot for marine pollution, with over 10 million tons of plastic entering the oceans every year.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Cryptic fleshy coat aids larvae in crawling on a moss carpet

Larvae of long-bodied crane flies have cryptic coloration and patterning, as well as fleshy lobes that serve multiple purposes. The study reveals that these lobes aid locomotion by assisting larvae in crawling on moss carpets, contradicting previous hypotheses about their function.

Rare bee found after 100 years

A rare Australian native bee species, Pharohylaeus lactiferus, has been found again after 100 years, with only six individuals previously recorded. The discovery highlights the species' vulnerability to habitat destruction and wildfires in Australia's rainforests.

New treatment location challenges thoughts on addiction

Researchers have discovered a new pathway in the brain that provides pain relief and reduces opioid cravings. The study found that transcranial magnetic stimulation (TMS) targeting the motor cortex was significantly more effective at reducing pain and opioid urge than targeting the dorsolateral prefrontal cortex (DLPFC).

Super-resolution RNA imaging in live cells

Researchers at Heidelberg University developed a novel fluorescence marker called RhoBAST to enable super-resolution RNA imaging in live cells. The method reveals details of subcellular structures and molecular interactions involving RNA, improving image resolution.

Celestron NexStar 8SE Computerized Telescope

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

Obesity may affect puberty timing and hormones in girls

A study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that girls with excess body fat developed fully mature breasts more slowly but started their period sooner. The researchers also found higher levels of reproductive hormones, including testosterone, in girls with obesity.

What's ahead for people with disabilities in the post-pandemic workplace?

As the COVID-19 pandemic subsides, experts emphasize the need for vocational rehabilitation to prioritize access to technology and home-based employment for individuals with disabilities. This shift is crucial in preparing them for the new global workplace, where many jobs have transitioned to remote work.

What might sheep and driverless cars have in common? Following the herd

A new study by computer scientists found that individuals are more willing to sacrifice their own safety when peers are more likely to do so in programming autonomous vehicles. The researchers also showed that the social component of decision-making is often overlooked and that transparency in machine programming is crucial for public ...

Eating human food could mean trouble for urban coyotes, study shows

A new study by University of Alberta researchers reveals that urban coyotes consuming human food have more human-like gut bacteria, leading to poor health outcomes such as lower body fat and stressed immune systems. The study suggests limiting access to protein-poor human food could be an effective solution.

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.

Smaller plates help reduce food waste in campus dining halls

A University of Illinois study found that shifting from round to oval plates with smaller surface areas can significantly reduce food waste in dining halls. The researchers observed significant reductions in food selection, consumption, and waste when diners used the oval plates, resulting in nearly 20 grams less food waste per plate.

A cat of all trades

Researchers sequenced African leopards' genomes, finding high genetic diversity comparable to Amur leopards. This may give them an advantage in coping with environmental changes, including climate change and habitat destruction.

Effective anxiety therapy changes personality

Researchers found significant changes in patients' personality profiles after effective anxiety therapy, scoring lower on neuroticism and becoming more extroverted. Metacognitive therapy produced the greatest effect on both symptoms and personality.

Vitamin D deficiency does not increase risk of type 1 diabetes

A recent study published in PLOS Medicine found that genetically determined vitamin D levels do not have a large effect on risk of type 1 diabetes among Europeans. The researchers used a Mendelian randomization design to examine the causal effect of vitamin D levels on the disease.

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.

Extreme melt on Antarctica's George VI ice shelf

A University of Colorado Boulder-led study found record melting on Antarctica's northern George VI Ice Shelf during the 2019-2020 summer season. The extreme melt coincided with record-setting stretches when local surface air temperatures were at or above freezing point, posing a threat to ice-shelf break-up and sea-level rise.

Apple iPhone 17 Pro

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

Artificial 'brain' reveals why we can't always believe our eyes

An artificial neural network called MotionNet has provided new insights into human motion perception, revealing common optical illusions like phi and reverse-phi motion. The system shows that neurons are tuned to the direction of movement, leading to mistakes in perception.

Study: Bladder cancer is more advanced in South Texas

A study by the Mays Cancer Center at UT Health San Antonio found that bladder cancer is more advanced and deadly in South Texas residents than in many parts of the country. The disease disproportionately affects Latinos and women, with worse survival rates regardless of geographic location.

NIH awards UC San Diego $33 million for five COVID-19 diagnostic projects

The NIH has awarded UC San Diego $33 million over four years for five COVID-19 diagnostic projects, including RADx-UP and RADx-rad initiatives. These efforts focus on managing data centers, expanding testing in disadvantaged communities, and developing innovative approaches to address gaps in COVID-19 testing.

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.

Could post-COVID-19 tourists become less adventurous?

Research found that post-pandemic tourism is influenced by a behavioral immune system, leading to increased nationalism, xenophobia, and avoidance of crowds. Tourists may choose familiar destinations over new ones, increasing destination loyalty. This could have long-term implications for businesses during the COVID-19 era.

Male lyrebirds create an 'acoustic illusion' to snare potential mates

Researchers discover that male lyrebirds use mimicry to recreate the panicked alarm calls of a mixed-species flock during courtship and mating. This 'acoustic illusion' may be a crucial sexual behavior for males, helping them gain reproductive advantage by tricking females into responding as if they're at risk from a predator.

Theory could accelerate push for spintronic devices

Rice University scientists develop a new theory that can help identify materials for advanced spintronic devices, which depend on electron spin states. The theory predicts heteropairs of two-dimensional bilayers that enable large Rashba splitting, making room-temperature spin transistors possible.

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.

Harnessing the power of proteins in our cells to combat disease

Researchers are exploring a novel approach to target disease-causing proteins in human cells. This method, utilizing ubiquitin ligases, aims to overcome traditional drug discovery limitations by targeting more disease-causing proteins, offering new therapeutic possibilities for various conditions.

How plant stem cells renew themselves -- a cytokinin story

Scientists have discovered the mechanism by which plant hormone cytokinin regulates stem cell division, controlling cell proliferation and mitosis. The study reveals that cytokinin activates the transcription factor MYB3R4, promoting its nuclear localization and activating key cell cycle genes.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Openly available toolkit to help lab-based coronavirus research

A new, openly available SARS-CoV-2 laboratory research toolkit was published in PLOS Biology. The toolkit includes a 'single plasmid reverse genetics' system allowing researchers to manipulate the coronavirus genome and study individual mutations. This will fast-track investigation of COVID-19 research, including novel variants, drug d...

Market design to accelerate COVID-19 vaccine supply

Expanding vaccine capacity can accelerate completion of widespread immunization and generate substantial global benefits. Investing in additional capacity could save hundreds of dollars per course, dwarfing current prices of $6 to $40.

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.

Chip simplifies COVID-19 testing, delivers results on a phone

Researchers created a stamp-sized microfluidic chip that measures SARS-CoV-2 nucleocapsid protein concentration in blood serum, enabling rapid diagnosis of COVID-19. The device uses programmed magnetic nanobeads and an electrochemical sensor to deliver accurate results within minutes.

64 human genomes as new reference for global genetic diversity

A new reference dataset reflects 64 assembled human genomes, capturing genetic differences across 25 populations from around the world. This comprehensive resource enables accurate study of genetic variants and their role in disease, paving the way for personalized medicine.

USDA grant seeks to enhance milk production and cow health

A Cornell University scientist is receiving a USDA grant to study the relationship between insulin, ceramide, and lactation in dairy cows. The goal of the research is to identify mechanisms that control insulin resistance in early lactation, with potential benefits for improving milk production efficiency and animal health.

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.

A Canadian success story: world-first to treat Fabry disease with gene therapy

A Canadian pilot study on gene therapy for Fabry disease shows the treatment is working and safe, enabling patients to produce normal levels of the defective enzyme. The trial, led by Dr. Aneal Khan, treated five men with a single dose of gene therapy, which resulted in stable patients who are no longer requiring replacement therapy.

Virus detection method is versatile and accessible

A new virus detection method has been developed by KAUST researchers using magnetic nanoparticles, allowing for fast, safe and cheap testing of viruses in clinical and wastewater samples. The method rivals commercial viral-RNA extraction kits while lowering the risk of handling potentially infectious samples.

Chimpanzees and humans share overlapping territories

New research reveals chimpanzees use areas away from villages more intensively, but enter human-occupied land for fruit when scarce. The study provides insights into how wildlife balance risks and rewards in anthropogenic landscapes, informing coexistence strategies.

First complete coronavirus model shows cooperation

A new multiscale coarse-grained model of the complete SARS-CoV-2 virion has been developed using supercomputers, providing a holistic understanding of the virus's behavior. The model reveals cooperative motion among spike proteins on the surface of the virus, which is informative of how it explores and detects host cell receptors.

Comet makes a pit stop near Jupiter's asteroids

A wayward comet-like object has been spotted near a family of captured ancient asteroids, called Trojans, orbiting the Sun alongside Jupiter. The object shows signs of comet activity, such as a tail, outgassing, and an enshrouding coma of dust and gas.

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.

Did teenage 'tyrants' outcompete other dinosaurs?

Researchers found a pattern where carnivorous dinosaur communities lacked medium-sized species between 100-1000kg, with juvenile megatheropods filling the gap. This discovery suggests that growth and development played a significant role in shaping ecosystem dynamics.

A tangled food web

The study argues that trophic levels are insufficient to assess aquaculture sustainability due to changing feed compositions and energy requirements. Researchers advocate for more nuanced assessments, such as voluntary certifications and incentives for environmentally responsible practices.

OHSU study advances field of precision medicine

Researchers at OHSU have developed a new method to quickly map single-cell genomes and clarify spatial cell positions within complex tissues. This technique has the potential to precisely identify and target cells in diseases like cancer or stroke, allowing for novel therapies.

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.

Scientists induce artificial 'magnetic texture' in graphene

Researchers induced artificial magnetic texture in nonmagnetic graphene by pairing it with a magnet, overcoming a long-standing obstacle in the field of spintronics. The findings have potential to revolutionize electronics and enable more powerful semiconductors, quantum computers, and other devices.