Bluesky Facebook Reddit Email

Science News Archive March 2021


Page 44 of 53

Vision impairment is associated with mortality

A meta-analysis of 48,000 people found that vision impairment is associated with a higher risk of all-cause mortality compared to normal vision or mild vision impairment. The risk increases significantly among those with severe vision impairment.

'Fungal ghosts' protect skin, fabric from toxins, radiation

Researchers at Northwestern University created a new form of synthetic melanin that mimics the properties of fungal melanin, which can protect against environmental stressors. The material, called 'fungal ghosts,' is selectively porous, allowing it to store and capture molecules while letting good stuff through.

Approaches for optimal use of different COVID-19 vaccines

The article proposes reserving Johnson & Johnson vaccines for younger, healthier populations and boosting them with mRNA vaccinations for better efficacy. Boosting people with prior SARS-CoV-2 infection also enhances their immune response.

Failing to see the forest for the trees may prevent better cardiovascular outcomes

A new study from The George Institute for Global Health found that countries are wasting resources by treating only one aspect of cardiovascular disease, rather than looking at the big picture. The researchers discovered a higher risk of CVD in lower educated and non-employed people, as well as an underuse of medicines in those at high...

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.

Pandemic ratchets up pressure on people with substance use disorder

Research at OHSU finds that patients with substance use disorder face housing instability, hospital isolation, and uncertain transitions home due to pandemic-related policies. The study emphasizes the need for healthcare systems to incorporate patient voices and address systemic needs.

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.

When peeking at your brain may help with mental illness

A meta-analysis of 17 studies found that participants could regulate neural activity in targeted regions using rtfMRI-NF, with a moderate impact during training and increased impact later without feedback. The study suggests a positive impact on brain and behavioral outcomes, but more research is needed to determine its effectiveness.

New model can predict how bacteria develop antibiotic resistance

A new model links bacterial metabolism and growth to mechanisms of antibiotic resistance, enabling predictions of mutation types and levels. The study suggests a previously unobserved connection between nutrient uptake and resistance development, which can inform strategies for slowing resistance emergence.

Fermented wool is the answer

Fermented wool retains its color without fading, a technique used by textile craftsmen in the Iron Age. The method involves fermenting wool and dyeing it with Turkey red, providing an insight into ancient textile production.

Latinos, Blacks less swayed by college-bound friends

Research by Steven Alvarado found that having college-bound friends increases the likelihood of enrolling in college, but this effect is weaker for Black and Latino students. Structural and cultural processes may mitigate the influence of friendship on these groups' college enrollment rates.

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.

Administering zinc to covid-19 patients could help towards their recovery

A study by physicians from IMIM found that administering zinc to COVID-19 patients with low zinc levels can reduce mortality and recovery time, while also preventing severe effects in at-risk groups. The study revealed a direct link between higher zinc levels and reduced risk of death from COVID-19.

New microcomb could help discover exoplanets and detect diseases

A new microcomb technology has been developed by researchers at Chalmers University of Technology, which can generate a wide range of optical frequencies with high precision. This technology has the potential to be used in various applications, including exoplanet discovery and disease diagnosis.

Key factor identified that makes worms feel full after a good meal

Researchers found that SKN-1B controls behaviors like foraging, eating and resting in nematode worms, which may regulate food-sensing and fullness in humans. The study proposes a similar transcription factor, Nrfs, as a potential target for developing drugs controlling overeating.

Key enzymes for synthesizing natural products

Scientists at the University of Freiburg have discovered three key enzymes that play a crucial role in synthesizing natural products. These enzymes restructure a chemical precursor molecule to create the carbon backbone of these compounds, which are used for various pharmacological effects.

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.

Seagrass loss around the UK may be much higher than previously thought

A new study estimates that at least 44% of UK seagrasses have been lost since 1936, with losses accelerating in recent decades. The research highlights the urgent need to protect current seagrass meadows and restore degraded or lost ones to mitigate climate change and support marine biodiversity.

Apple iPhone 17 Pro

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

Robotic systems for patient evaluation

Researchers assessed the feasibility and acceptability of a mobile robotic system in acquiring vital signs, performing nasal or oral swabs, and facilitating contactless triage interviews. The study suggests that robotic systems may be a viable option for improving patient care in emergency departments.

How governments and companies should listen to the people on climate change

A new study from the University of East Anglia and the UK Energy Research Centre found that people's views and actions on climate change should be included in decision-making processes. The research reveals a holistic approach to public engagement, highlighting various ways citizens are engaging with low-carbon energy futures.

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.

Lonely? These odd rituals can help

A study by UC Riverside found that adopting unique rituals to make everyday tasks more meaningful can reduce feelings of loneliness. Participants who engaged in ritualistic consumption of consumer products reported feeling less lonely and having a greater sense of meaning in their lives.

Research to improve exposed women's lives

Researchers discovered that resilient women describe their sense of living as a dynamic, ongoing process involving control, personal resources, social relationships, and acceptance. The study highlights the importance of societal support and accessible services to help young women with similar experiences.

Advance in 'optical tweezers' to boost biomedical research

Scientists have developed a new technique to manipulate nanoparticles with the same refractive properties as their background environment, overcoming a fundamental technical challenge. This breakthrough has huge potential in fields like medicine, enabling precise manipulation and measurement of microscopic objects inside cells.

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.

Air pollution fell sharply during lockdown

The study found that air pollutants decreased more than carbon dioxide during the lockdown, confirming earlier assumptions. The researchers also revealed that domestic and commercial energy consumption contribute less to nitrogen oxide emissions than previously thought, with traffic responsible for over 90% of emissions.

'PopDel' detects deletions in our genomes

Researchers developed PopDel, a program that reliably identifies large deletions in thousands of genomes simultaneously. The software outperformed existing methods, detecting rare gene variants associated with healthy lipid metabolism.

Exploring pieces of heart muscle that fail to compact

A new study aims to explore the cause and therapeutic treatment for left ventricular non-compaction cardiomyopathy (LVNC), also known as a 'spongy heart'. The research, led by University of Houston pharmacologist Mingfu Wu, seeks to determine how heart muscle fails to compact and develop medicines to reduce symptoms.

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.

Announcing NUTRITION 2021 LIVE ONLINE

NUTRITION 2021 LIVE ONLINE features leading scientists & the latest research on physiology & metabolism, clinical nutrition & food systems. The virtual meeting provides unparalleled access to a global community of nutrition experts.

Volcanoes might light up the night sky of this planet

Researchers found evidence of tectonic activity on exoplanet LHS 3844b, resulting in extreme temperature contrasts and potential volcanic activity. The planet's surface receives intense radiation, causing blistering heat during the day and freezing temperatures at night.

WOX9: A jack of all trades

Researchers discovered that the WOX9 gene can induce more flowers to form in various plant species by changing its regulation, suggesting potential for improving crop yields. Genome editing allowed them to reveal the gene's additional functions without altering its protein product.

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 parental paradox for Black girls in the justice system

A recent study found that lower self-esteem, less optimism, and higher negative peer behaviors were associated with greater PTSD symptoms in Black girls. Caregiver support was also linked to increased PTSD symptoms, highlighting the importance of addressing historical trauma in households.

Original error

Researchers at Harvard Medical School and Dana-Farber Cancer Institute found that cancer-causing mutations can arise decades ago, in some cases as far back as 40 years before diagnosis. The study used genetic sequencing and phylogenetic analysis to reconstruct the lineage history of cancer cells in two patients with a rare blood cancer.

Smoking cessation drug may treat Parkinson's in women

Researchers at Texas A&M University discovered that cytisine reduces dopamine neuron loss in females, providing potential evidence for treating Parkinson's disease. The protective effect of cytisinex occurred only in female animal models, and combining it with estrogen produced a stronger effect.

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.

March science snapshots

A recent study by Berkeley Lab scientists confirms the hypothesis that a protein called ORF8 holds the answer to understanding how the new strain of coronavirus evolved. Meanwhile, a new report assesses the economic costs of widespread power outages and finds that utilities rarely account for direct and indirect costs.

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.

Female gannets go the extra mile to feed chicks

Researchers tracked breeding gannets for 11 years, finding that females travel up to 260km to find food, while males average 220km. The study highlights the importance of long-term studies and suggests differences in diet between sexes may be due to subtle taste preferences.

Dramatic decline in western butterfly populations linked to fall warming

A new report finds that western US butterfly populations are declining rapidly due to fall warming trends, which induce physiological stress and affect development and hibernation preparation. Conservation efforts in urban areas with constant water flow will be crucial in preventing further declines and extinction.

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.

Induced pluripotent stem cells reveal causes of disease

Researchers used induced pluripotent stem cells to identify correlations between genetic variants and altered expression patterns in human cells. The study found thousands of disease-associated genetic variants linked to specific diseases, including coronary heart disease and hereditary cancers.

Why we're so bad at daydreaming, and how to fix it

Daydreaming can be an antidote to boredom, but it's surprisingly demanding. Research suggests that we don't intuitively understand how to think enjoyable thoughts. To master daydreaming, try priming your brain with pleasant topics and timing it when you're minimally occupied.

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.

The impact of lockdown when you're already locked up -

A new research project aims to understand the psychological impact of COVID-19 restrictions on prisoners and prison staff. The study, funded by £251,240, will examine how lockdown measures affect prisoners' behavior and mental health.

Magnetic whirls in confined spaces

Magnetic whirls, known as skyrmions, exhibit particle-like properties when confined to geometric structures. The researchers discovered that the stability of skyrmions varies greatly depending on their arrangement within these structures, with certain patterns resulting in high stability and mobility.

Factoring in gravitomagnetism could do away with dark matter

A new general relativistic framework for models of galactic rotation curves alleviates the need for dark matter by incorporating gravitomagnetic fields. The theory proposes that these fields can explain the effects of dark matter, suggesting a possible elimination of this form of matter.

Meta Quest 3 512GB

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