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Science News Archive February 2021 - Page 6


Page 6 of 45

Red light put moths in the mood

A new study published in Frontiers in Genetics shows that dim red light enhances the mating and egg-laying behaviors of yellow peach moths by selectively activating a genetic pathway related to olfaction. This increase in sensitivity is made possible due to the unique properties of odorant binding proteins secreted by auxiliary cells s...

SourceFrontiers·JournalFrontiers in Genetics·DateFeb 24, 2021

Buckyballs on DNA for harvesting light

A novel type of organic light-harvesting supramolecule based on DNA is synthesized to improve the quantum efficiency of electron-hole pair production. The supramolecule's 3D structure persists in both liquid and solid phases, outperforming traditional electron donors and acceptors.

SourceFrontiers·JournalFrontiers in Chemistry·DateFeb 24, 2021

The risks of communicating extreme climate forecasts

A new study by Carnegie Mellon University researchers argues that extreme climate forecasts can be counterproductive, leading to public distrust in climate science. The study analyzed 79 climate-caused apocalypse predictions and found that many have expired without consequence, undermining the credibility of such forecasts.

SourceCollege of Engineering, Carnegie Mellon University·JournalInternational Journal of Global Warming·DateFeb 24, 2021

Study identifies strengths and challenges of responding to dual disasters

A new study investigates how hurricanes and the COVID-19 pandemic affect each other and disaster response in southern Louisiana. Community-based organizations face new challenges, including reduced financial resources and service delivery constraints due to protocols to prevent SARS-CoV-2 spread.

SourceLouisiana State University Health Sciences Center·JournalInternational Journal of Environmental Research and Public Health·DateFeb 24, 2021

New study suggests supermassive black holes could form from dark matter

A new theoretical study suggests that supermassive black holes could form directly from dark matter in high-density regions, contradicting current understanding of their formation. This proposal has key implications for cosmology and the early Universe, potentially explaining how supermassive black holes grew so quickly.

SourceRoyal Astronomical Society·JournalMonthly Notices of the Royal Astronomical Society·DateFeb 24, 2021

With a pinch of salt: How reliable are existing studies on microplastics in table salt?

A systematic review of published papers on microplastics in table salt found significant variability in reported data due to differences in measurement and identification methods. The study highlights the need for standardized protocols to ensure reliable health-relevant results and accurately quantify human exposure to microplastics.

SourceIncheon National University·JournalJournal of Hazardous Materials·DateFeb 24, 2021

Abnormal sodium levels in hospitalized patients with COVID-19 predict death or respiratory failure

Researchers found that hospitalized COVID-19 patients with low sodium levels are twice as likely to need intubation or advanced breathing support, while those with high sodium levels are three times more likely to die. Sodium measurements can inform doctors about which patients are at high risk of deterioration and death.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateFeb 24, 2021

Professor developing indoor COVID-19 detector

Professor Gerardine Botte has received a $999,047 grant from the U.S. Department of Defense to develop an indoor COVID-19 sensor that can detect traces of SARS-CoV-2 in air. The sensor has already demonstrated fast detection capabilities in saliva and water, and the goal is to extend this technology for air collection.