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Science News Archive 2021


Page 240 of 510

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.

Better mental health supports for nurses needed, study finds

A new study found that nurses experienced high rates of depression and anxiety during the COVID-19 pandemic, particularly those working in long-term care. The survey of over 10,000 Canadian nurses revealed a significant decline in their well-being, with six out of 10 reporting anxiety in April.

Research news tip sheet: Story ideas from Johns Hopkins Medicine

A recent study by Johns Hopkins Medicine researchers suggests that playing virtual reality games during a venipuncture procedure can reduce pain and anxiety in pediatric patients. However, the study also found that VR gameplay added an average of 4-6 minutes to the procedure time due to technical issues.

Burnout is a widespread reality in today's NHS

Burnout is a significant issue in today's NHS, with 44% of staff reporting work-related stress. Improving staff health and wellbeing is crucial for the moral, social, and economic priority it represents.

Some good news for those with migraines

A new study from the University of Toronto found that 63% of Canadians with migraines experience almost daily happiness and high levels of social and psychological well-being. Those who had a confidant or used spiritual coping mechanisms were more likely to be in excellent mental health.

Celestron NexStar 8SE Computerized Telescope

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

Outcomes for COVID-19 patients 1 year after loss of smell

Researchers evaluated COVID-19 patients with loss of smell one year post-diagnosis, finding persistent cognitive and emotional impairments. Long-term follow-up studies like this one are crucial for understanding the lasting effects of SARS-CoV-2 infection.

Apple iPhone 17 Pro

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

Searching for the cell of origin of childhood brain cancer

A study coordinated by the University of Trento identified the cell of origin of medulloblastoma, a common and aggressive childhood brain cancer. The researchers used organoids, three-dimensional models of tumor tissue, to understand the genetic mechanisms responsible for this type of brain cancer.

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.

Mixed cultures for a greater yield

A study published in Nature Plants found that mixed cultures of crops can produce higher yields than monocultures due to the biodiversity effect. This approach involves sowing multiple species or varieties alongside each other, resulting in increased plant productivity and effective natural pest control without pesticides.

How neurons get past 'no'

A new study reveals that inhibitory neurons increase signal transmission by targeting the weakest-responding neurons in the brain, enabling flexible information transfer. This discovery could help understand and treat disorders such as anxiety and attention deficit disorders.

Structural biologists granted Wellcome Trust Investigator Awards

Researchers John Schwabe and Daniel Panne have been awarded £3.89 million to investigate gene regulation, with a focus on histone deacetylase complexes and DNA folding. The study aims to understand how genes are regulated and its potential in treating diseases such as cancer and Alzheimer's.

Jeffrey M. Rickman named fellow of American Ceramic Society

Professor Rickman recognized for broad scholarship in materials science, physics, and computational materials theory, and distinguished service to the American Ceramic Society. He applies materials informatics to analyze complex problems in materials science.

COVID-19 origins still a mystery

A recent study using computer modelling found that the SARS-CoV-2 virus binds more tightly to human cells than any other tested animal species, including bats and pangolins. The results suggest that the virus may have adapted to become an effective human pathogen through convergent evolution or genetic recombination.

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.

Common plant fiber gel doubled rate of tumor eradication

Researchers developed a new dietary fiber formulation that modulates the gut microbiome, improving potency of immunotherapies against cancer. The inulin gel doubled the rate of tumor eradication in rodents with colon carcinoma and melanoma, expanding beneficial microbes in the gastrointestinal tract.

Starting the day off with chocolate could have unexpected benefits

Researchers discovered that consuming concentrated chocolate in the morning can aid in burning fat and decreasing blood sugar levels. The study also found that eating chocolate at different times of day can influence hunger, appetite, microbiota composition, sleep, and metabolism.

New findings unveil a missing piece of human prehistory

A joint research team led by Prof. FU Qiaomei has sequenced the ancient genomes of 31 individuals from southern East Asia, unveiling a missing piece of human prehistory. The study reveals three genetically distinct ancestries in southern East Asia and Southeast Asia: Fujian ancestry, Hòabìnhian ancestry, and Guangxi ancestry.

Embryologists reveal a secret of a worm with regeneration super abilities

Biologists at St Petersburg University studied mechanisms of regeneration of marine animals and found that suppression of FGF protein activity disrupts the ability of Alitta virens to restore lost body segments. Similar proteins are found in humans, suggesting potential therapeutic approaches for regenerative medicine.

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.

Mini-brains reveal cause of rare syndromes

A recent study reveals that different brain syndromes are caused by damage to the HUWE1 gene, leading to intellectual disabilities. The research, led by Professor Barbara van Loon, used mini-brains created from stem cells to demonstrate the common cause of these disorders.

Preventing the break-in of the toxoplasmosis parasite

Researchers have identified the structure and functions of RON13, a kinase essential for the invasive mechanism of Toxoplasma gondii in humans. The parasite's ability to infect cells is hindered without RON13, providing a potential target for new therapies.

Cosmic dawn occurred 250 to 350 million years after Big Bang

A new study suggests that cosmic dawn, when stars formed for the first time, occurred between 250 and 350 million years after the beginning of the universe. The study used data from the Hubble and Spitzer Space Telescopes to estimate the age of distant galaxies.

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.

New findings on body axis formation

Researchers at Heidelberg University discovered an enzyme that breaks down Wnt proteins, shaping body axis development in the freshwater polyp Hydra. This discovery may play a role in human diseases such as cancer.

A low Omega-3 index is just as strong a predictor of early death as smoking

A new study found that a low Omega-3 Index is associated with increased risk of early death, comparable to the risk of smoking. The research used data from the Framingham Heart Study and suggested that biomarkers integrating lifestyle choices could help identify individuals at risk and inform treatment approaches.

Meta Quest 3 512GB

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

Study highlights racial inequity in health care access, quality

A recent study found that states with higher levels of systemic racism have pronounced racial disparities in healthcare access and quality, benefiting white people more than Black people. The researchers also discovered that Black individuals who experienced provider racism reported lower quality of care.

Decoding humans' survival from coronaviruses

An international team analysed genomes of over 2,500 humans from 26 populations to understand human adaptation to historical coronavirus outbreaks. They found signs of adaptation in 42 different human genes encoding viral interacting proteins (VIPs), which primarily active in the lungs and interact with coronaviruses.

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.

Coronavirus crisis and social citizenship in India

A new project funded by the German Research Foundation is analyzing the coronavirus crisis in India to understand its effects on social policy, regional variations, and local experiences of access to social entitlements. The project aims to capture the dynamism of social perceptions during this period.

Researchers solve a puzzle to design larger proteins

A team of researchers identified the design principles for creating large ideal proteins, paving the way for designing proteins with new biochemical functions. They found that while designed proteins are structurally ideal, they lack functional sites due to internal energetic frustration.

Higher doses of neutralizing antibody could protect humans against HIV

Researchers argue that a broader application of neutralizing antibodies could be key to developing an effective HIV vaccine and treatment strategy. The study's findings suggest that higher serum titers of infused therapeutic antibody may provide broad protection against various HIV strains.

Leopard gecko skin tumors traced to cancer gene

A genetic analysis of leopard geckos has identified a cancer gene linked to skin tumors, shedding light on the animals' unique coloration patterns. The study, published in PLOS Genetics, suggests that the geckos' bright colors may be caused by an error in the gene, leading to overproduction of white skin cells and reflective crystals.

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.

Scientists explain the behaviour of the optical emission of blazars

Researchers have found that the polarisation plane of visible light in blazars sometimes rotates, coinciding with repeated gamma ray bursts. The study also described the structure of the inner part of the jets, revealing a fast spine surrounded by a slower sheath with ring condensations.

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.

Ubiquitination primes cell for recovery from heat stress

Researchers have identified distinct ubiquitination patterns that underlie cell recovery following different environmental stressors. For heat stress, ubiquitination primes cells to dismantle stress granules and reinitiate normal cellular activities after stress has been removed.

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.

Ultralight material withstands supersonic microparticle impacts

Researchers have developed an ultralight material made from nanometer-scale carbon struts that provide toughness and mechanical robustness. The material withstood microparticle impacts at supersonic speeds without tearing, outperforming other impact-resistant materials of comparable weight.

Making citizen science inclusive will require more than rebranding

Researchers argue that boosting equity, diversity, and inclusion in citizen science demands more than just rebranding. They recommend 'centering in the margins' by focusing on underserved areas and overcoming economic barriers to participation. This approach seeks to create a more inclusive and responsive system of knowledge production.

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.

A new type of Homo unknown to science

A new type of Homo has been identified in Israel, with features that challenge the prevailing hypothesis on Neanderthal origins. The discovery suggests that at least some Neanderthals' ancestors came from the Levant, and that two types of Homo groups lived side by side for over 100,000 years.