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Science News Archive June 2020 - Page 24


Page 24 of 48

Aging and socioeconomic status

A study found that lower socioeconomic status accelerates decline in physical functions such as grip strength and gait speed, as well as cognitive abilities like memory and processing speed. Social circumstances also impact mental health, with less wealthy individuals experiencing more depressive symptoms and sight problems.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJun 15, 2020

Ethnic minorities' employment prospects lag behind white majority

A new study found that UK ethnic minorities continue to face significant challenges in employment, with many groups more likely to be in manual work or unemployed than their white counterparts. The research highlights the impact of persistent racism on access to positive socioeconomic outcomes and social mobility.

SourceSAGE·JournalSociology·DateJun 15, 2020

Vaccination and moral obligation

Researchers discovered that vaccinated participants were less generous to non-vaccinated individuals than to other vaccinated peers, especially among those who viewed vaccination as a moral duty. This suggests that vaccination is perceived as a societal obligation, transcending social group affiliations.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJun 15, 2020

New technical approach can enhance diagnosis of pulmonary hypertension

A new study in The American Journal of Pathology reports that gene expression analysis of lung explant tissue can accurately differentiate pulmonary arterial hypertension (PAH) from pulmonary veno-occlusive disease (PVOD). This molecular approach promises to facilitate clinical diagnostics and develop novel target-specific intervention...

SourceElsevier·JournalAmerican Journal Of Pathology·DateJun 15, 2020

Beetle-inspired cooling film

A new photonic film inspired by fluffs on the longicorn beetle can reflect up to 95% of incoming solar radiation and emit infrared energy, achieving up to 5.1° C of passive cooling in direct sunlight. The film's efficiency is a breakthrough for efficient passive radiative cooling applications.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJun 15, 2020

3D X-ray reveals secrets from inside bones

Researchers have uncovered a previously unknown substructure in healthy bone tissue using new X-ray techniques, revealing deviations in the orientation of nanocrystals. This discovery has significant implications for understanding bone diseases and developing new biomaterials.

SourceAarhus University·JournalScience Advances·DateJun 15, 2020

A carbon sink shrinks in the arctic

The Arctic Ocean's capacity to remove carbon dioxide from the atmosphere has decreased due to rapid warming and sea-ice loss. This reduction will have significant implications for climate change, with the Canada Basin predicted to become a minimal carbon sink by 2030.

SourceUniversity of Delaware·JournalNature Climate Change·DateJun 15, 2020

Using Jenga to explain lithium-ion batteries

A University of Birmingham team has created a hands-on educational tool using Jenga to explain lithium-ion battery operation and characteristics. The game helps students visualize electrochemistry and redox reactions, demonstrating the importance of rate of charge and performance over time.

SourceUniversity of Birmingham·JournalJournal of Chemical Education·DateJun 15, 2020

Scientists find key factors impacting sideswiping tropical cyclone precipitation

Researchers found that extreme rainfall events from STCs can occur over inland areas far from coastlines due to amplification of local terrain and large-scale forcing. The study suggests further investigation into asymmetrical distribution of STP, differences between STP and landfalling precipitation, and comparisons with other datasets.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateJun 15, 2020

Who is at risk of heart rhythm disorders?

A new international consensus statement outlines the best way to identify people at risk of developing common and devastating heart rhythm disorders, including atrial fibrillation and ventricular tachyarrhythmia. The guidelines focus on accurate risk assessment to enable earlier diagnosis and intervention with lifestyle changes or medi...

SourceEuropean Society of Cardiology·JournalEP Europace·DateJun 15, 2020

Discovery of graphene switch

Researchers at Japan Advanced Institute of Science and Technology have successfully measured the current-voltage curve of graphene nanoribbons suspended between two electrodes. The study reveals that a critical bias voltage triggers an abrupt change in electrical conductance for zigzag GNRs, opening new possibilities for switching devi...