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Science News Archive 2021 - Page 501


Page 501 of 510

Small towns are bigger than we think

A new study by FAO and University of Twente reveals that small cities and towns play a significant role in shaping food systems, social development, and economic growth. The research highlights the need for greater coordination between urban and rural administrative authorities to address unequal access to services and employment oppor...

SourceFood and Agriculture Organization of the United Nations·JournalProceedings of the National Academy of Sciences·DateJan 11, 2021

Towards Exawatt-class lasers

A new design concept aims to increase laser peak power by compressing pulse duration instead of increasing energy, pushing the record to the Exawatt class. The design uses a two-beam pumped WNOPCPA and carefully optimized phase-matching to avoid pump interference.

SourceOsaka University·JournalScientific Reports·DateJan 11, 2021

Instead of pushing students entrepreneurship, they should be helped to make a better decision

Recent research suggests that traditional entrepreneurship education may not be effective in motivating students to pursue entrepreneurial careers. A new study by two researchers found that students' life goals play a crucial role in their decision-making process regarding entrepreneurship. By facilitating an understanding of these lif...

SourceUniversitat Pompeu Fabra - Barcelona·JournalJournal of Business Venturing·DateJan 11, 2021

This tree snake climbs with a lasso-like motion

Researchers discovered that invasive brown tree snakes on Guam can use a novel, lasso-like locomotion to climb smooth vertical cylinders. This new mode of locomotion has important implications for understanding the snakes and conservation practices aimed at protecting birds from them.

SourceCell Press·JournalCurrent Biology·DateJan 11, 2021

Zombie movies prepared you for the pandemic

Researchers found that individuals who enjoyed zombie and apocalyptic movies before the pandemic were better equipped to deal with it. Immersing oneself in fiction can serve as mental rehearsal for real-life events, according to the study published in Personality and Individual Differences.

SourcePenn State·JournalPersonality and Individual Differences·DateJan 11, 2021

COVID-19 news fromAnnals of Internal Medicine

Researchers developed saliva-based testing as a sensitive alternative to nasal swabs. High demand for PPE revealed society's dependence on forced labor during the pandemic. No association was found between COVID-19 mitigation strategies and risk of preterm births or stillbirths. A new case report suggests a potential link between SARS-...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJan 11, 2021

Rice 'flashes' new 2D materials

Researchers at Rice University have successfully created metastable metallic nanoparticles from dichalcogenides, which can be used in electronics and optics. The process involves applying a high electrical charge to rapidly raise the material's temperature, producing a new class of highly valued materials.

SourceRice University·JournalACS Nano·DateJan 11, 2021

Study finds Dense Breast Notification legislation has not met all desired goals

A new study suggests that Dense Breast Notifications (DBNs) have achieved partial success in informing women about their breast density, with higher rates of notification and discussions with providers in states with mandated DBN laws. However, the study also found disparities in knowledge and awareness among women of different race/et...

SourceBoston University School of Medicine·JournalJournal of the American College of Radiology·DateJan 11, 2021

ACP releases comprehensive framework to address disparities and discrimination in health care

The American College of Physicians (ACP) has released a comprehensive framework to address disparities and discrimination in healthcare, proposing policy recommendations to enhance quality and effectiveness for all patients. The framework also discusses specific contributors to health disparities and steps to improve them.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJan 11, 2021

Pediatric hospitalizations for COVID-19

Researchers analyzed COVID-19 hospitalization trends in 22 states to assess severity and spread of the virus in pediatric population. The study found significant variations in hospitalization rates across states, highlighting the need for targeted interventions to prevent further transmission.

SourceJAMA Network·JournalJAMA Pediatrics·DateJan 11, 2021

Acta Pharmaceutica Sinica Bvolume 10, issue 11 publishes

This special issue of Acta Pharmaceutica Sinica B investigates the impact of tumor microenvironment on drug delivery systems for cancer treatment. Featured papers discuss various strategies to enhance specificity, target tumor-associated macrophages and manipulate immune-vascular crosstalk.

SourceCompuscript Ltd·JournalActa Pharmaceutica Sinica B·DateJan 11, 2021

Uncovering basic mechanisms of intestinal stem cell self-renewal and differentiation

Researchers improved understanding of intestinal stem cells' renewal and differentiation into specialized cell types. They identified a specific Wnt/planar cell polarity pathway regulating intestinal stem cell self-renewal and lineage decisions, crucial for treating diseases like diabetes and colorectal cancer.

Research shapes safe dentistry during Covid-19

Research reveals that aerosol-generating procedures like fillings and root canal treatment can spray aerosol particles large distances, contaminating areas up to 5 meters away. The study found that dental suction decreases contamination, making it a suitable time to clean surgeries after procedures.

SourceNewcastle University·JournalJournal of Dentistry·DateJan 11, 2021

Global decline of insects

Recent studies document striking patterns of insect biodiversity loss, with many populations decreasing at annual rates of 1-2% a year due to human activities such as agriculture. However, some species are increasing in abundance and geographic distribution in temperate and Arctic areas.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJan 11, 2021