“So these are regulated U.S. EPA, so these are called ‘criteria pollutants,'” said Dr. Shang Liu from Northeastern University.

The Allston-Brighton Health Collaborative is partnering with Northeastern’s mobile air quality lab as part of the City of Boston’s 2025 Community Clean Air Grant.  

Another 17 involved both male and female shooters, while an additional 14 killings are unsolved, according to a database maintained by the Associated Press, USA Today and Northeastern University.

The investigation, in which Northeastern University also participated, reveals that the security features in the app do not match the company’s promises.

Of the 493 mass killings with guns that have occurred since 2006 in the United States, 320 took place in homes, according to a database maintained by the Associated Press, USA Today and Northeastern University.

Shooters killed 10 or more people at one time in 22 of those shootings, according to a database maintained by the Associated Press, USA Today and Northeastern University.

David DeSteno is a professor of psychology at Northeastern University and host of the PRX Podcast “How God Works: The Science Behind Spirituality.”

This project explores the people lost, the shooters and the circumstances surrounding mass killings using data compiled by the Associated Press, USA Today and Northeastern University.

Jeremy Paul, professor of law at Northeastern University, discusses how the federal government is heading toward another shutdown, and if it comes to pass, it could affect tens of thousands of employees in Massachusetts.

“The Trump administration is trying to fundamentally reshape what notice-and-comment rulemaking is by fiat,” said Sharmila Murthy, a Northeastern University law professor.

Laurel Gabard-Durnam, assistant professor and associate director of the Institute for Cognitive and Brain Health at Northeastern University, for instance, points out that fevers, especially in early pregnancy, carry “really significant” risks for the mother and the infant.

“It’s a mix for every state. There’s no state that’s at the top, “Matthew Eckelman, a professor of civil and environmental engineering at Northeastern University and report co-author, told ABC News. “What it tells us is that each state has some work to do.”