As wildfire smoke becomes a growing public-health story in the Northeast, a first-of-its-kind study in Environmental Health finds that Canadian wildfire smoke in the summer of 2023 worsened asthma symptoms in children across Vermont and upstate New York—even though the fires were burning hundreds of miles away.

A blood biomarker yet to be used in cardiac arrest care can give a clearer picture of the extent of brain damage after a cardiac arrest. This has been shown in a large international multicentre study led by researchers at Lund University that has been published in The Lancet Respiratory Medicine. Worldwide, around four million people each year suffer a sudden cardiac arrest

“This will transform care for these patients,” says researcher Marion Moseby Knappe.

Indoor air contains countless microscopic particles, including bacteria and viruses that can affect human health. A new study from the Jiangsu Center for Disease Control and Prevention provides the most detailed comparison to date of four commonly used microbial aerosol samplers. The findings offer practical guidance for researchers and public health agencies working to monitor airborne pathogens in homes, hospitals, schools, and other indoor spaces.

The National Academy of Inventors has named University of Texas at Arlington researcher Muthu B.J. Wijesundara as a 2025 fellow.