As Covid-19 infections soar across the U.S., some states are tightening restrictions and reinstituting quarantine measures to slow the virus’ spread. 

Nitrogen dioxide (NO2), an air pollutant, decreased significantly over urban areas during the pandemic.

Microbeads have been included in personal care and cosmetic products ranging from toothpastes and sunscreen to body scrubs and industrial hand cleaners, usually to improve qualities like abrasiveness.

A cross-domain, open-access data hub created by Texas A&M researchers shows the effects human mobility has on the United States’ electricity markets.

Emissions from transport account for the largest share of the global decrease.

High-intensity interval training strengthens the heart even more than moderate exercise does.

New research suggests testing people's memory over four weeks could identify who is at higher risk of developing Alzheimer's disease before it has developed. 

The first lockdown led to a significant increase in symptoms of depression among children, highlighting the unintended consequences of school closures, according to a new study from the University of Cambridge.

A new national study of public water systems found that arsenic levels were not uniform across the U.S., even after implementation of the latest national regulatory standard. 

Awareness of guidelines to prevent COVID-19 is high among young asthma sufferers but around a third do not comply with them, according to a new survey published in the Journal of Asthma.