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Science News Archive March 2021 - Page 44


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.

SourceMichigan Medicine - University of Michigan·JournalThe Lancet Global Health·DateMar 5, 2021

'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.

SourceNorthwestern University·JournalJournal of the American Chemical Society·DateMar 5, 2021
Apple iPhone 17 Pro

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

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...

SourceGeorge Institute for Global Health·JournalPLOS Medicine·DateMar 4, 2021

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.

SourceOregon Health & Science University·JournalPLOS ONE·DateMar 4, 2021
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.

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.

SourceUniversity of Rochester·JournalNeuroscience & Biobehavioral Reviews·DateMar 4, 2021

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.

SourceUppsala University·JournalNature Ecology & Evolution·DateMar 4, 2021

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.

SourceFriedrich-Alexander-Universität Erlangen-Nürnberg·JournalScientific Reports·DateMar 4, 2021

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.

SourceCornell University·JournalAmerican Educational Research Journal·DateMar 4, 2021
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.

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.

SourceIMIM (Hospital del Mar Medical Research Institute)·JournalNutrients·DateMar 4, 2021

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.

SourceChalmers University of Technology·JournalNature Photonics·DateMar 4, 2021

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.

SourcePLOS·JournalPLOS Genetics·DateMar 4, 2021

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.

SourceUniversity of Freiburg·JournalNature Communications·DateMar 4, 2021
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.

Collagen plays protective role during pancreatic cancer development

Researchers at the University of Texas MD Anderson Cancer Center discovered that collagen produced by cancer-associated fibroblasts slows tumor progression in pancreatic cancer. Collagen helps block immune signals that lead to suppression of anti-tumor immune response.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalCancer Cell·DateMar 4, 2021

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.

SourceFrontiers·JournalFrontiers in Plant Science·DateMar 4, 2021
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

HSC transplants in embryos: Opening the door for hematopoiesis research

Researchers at University of Tsukuba have developed a novel technique for transplanting HSCs into mouse embryos without destroying the host hematopoietic system. This breakthrough enables the study of fetal hematopoiesis and paves the way for future humanization using human HSCs.

SourceUniversity of Tsukuba·JournalScientific Reports·DateMar 4, 2021

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.

SourceJAMA Network·JournalJAMA Network Open·DateMar 4, 2021

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.

SourceUniversity of East Anglia·JournalNature Energy·DateMar 4, 2021
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.

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.

SourceUniversity of California - Riverside·JournalJournal of Marketing Research·DateMar 4, 2021

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.

SourceUniversity of Gothenburg·JournalFrontiers in Public Health·DateMar 4, 2021

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.

SourceUniversity of Technology Sydney·JournalNature Nanotechnology·DateMar 4, 2021

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.

SourceUniversity of Innsbruck·JournalAtmospheric Chemistry and Physics·DateMar 4, 2021
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.

'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.

SourceBIH at Charité·JournalNature Communications·DateMar 4, 2021

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.

SourceUniversity of Houston·DateMar 4, 2021
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.

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.

SourceAmerican Society for Nutrition·DateMar 4, 2021

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.

SourceUniversity of Bern·JournalThe Astrophysical Journal Letters·DateMar 4, 2021

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.

SourceCold Spring Harbor Laboratory·JournalCell·DateMar 4, 2021
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.

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.

SourceOhio State University·DateMar 4, 2021

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.

SourceHarvard Medical School·JournalCell Stem Cell·DateMar 4, 2021

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.

SourceTexas A&M University·JournalJournal of Neurochemistry·DateMar 4, 2021

Innovative cancer treatment found to be promising for the control of fungal infections

Researchers successfully targeted Cryptococcus species using reprogrammed CAR T-cells, effectively controlling the growth of fungi. The treatment showed promising results in vitro and in mice, with reduced titan cells indicating a good prognosis for new treatments. This innovative approach could also be applied to other fungal infections.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalCytotherapy·DateMar 4, 2021
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.

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.

SourceDOE/Lawrence Berkeley National Laboratory·JournalmBio·DateMar 4, 2021

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.

SourceUniversity of Exeter·JournalMarine Ecology Progress Series·DateMar 4, 2021
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

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.

SourceUniversity of Arizona·JournalScience·DateMar 4, 2021

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.

SourceGerman Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ)·JournalNature Genetics·DateMar 4, 2021

'Social distancing,' nature's natural response to infectious disease

Animal responses to infectious disease exhibit pathogen-induced behavioral changes, including sickness behaviors and self-isolation. Nonhuman animals alter social interactions in response to infection, offering insights into underlying epidemiological mechanisms.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMar 4, 2021
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.

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.

SourceUniversity of Florida·JournalEmotion·DateMar 4, 2021

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.

SourceJohannes Gutenberg Universitaet Mainz·JournalAdvanced Functional Materials·DateMar 4, 2021

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.

SourceSpringer·JournalThe European Physical Journal C·DateMar 4, 2021
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.