“You can talk to older adults and they’ll tell you what happened when they were 5,” said Laurie Kramer, who studies sibling relationships at Northeastern University. “They’re stuck on that.”

Praise and approval are other social dynamics in father-son violence, according to Professor James Alan Fox, criminology professor at Northeastern University in Massachusetts.

Researchers at Northeastern University in Boston found 572 chemical byproducts may be produced in as little as 12 weeks, showing the rubber used to make tires and fake grass could “undergo degradation at a faster rate than predicted,” according to a study published last week in the peer-reviewed journal Environmental Science & Technology.

That’s because the market has already adapted to tariffs, experts say. Once you add that volatility to the mix, it’s hard to bring prices back down, said Kate Ashley, who teaches supply chain management at Northeastern University.

“The technology has some real positives for law enforcement,” said Matt Ross, a professor of public policy and economics with expertise in policing at Northeastern. 

Leo Beletsky, a professor of law and health sciences at Northeastern University, discusses the latest Fentanyl crisis. 

Aaron Seitz, a professor of psychology and the director of the Brain Game Center for Mental Fitness and Well–being at Northeastern University, discusses how video games nehances complex cognitive skills.

Jill Abramson, a former executive editor of The New York Times, teaches journalism at Northeastern University and is a contributing Globe Opinion writer.

This is Rebecca Kleinberger. She is a professor of humanics and voice technology at Northeastern University, and much of her research focuses on the relationship we have to our own voice, what it sounds like to us and how we think it comes across to others.

Costas Panagopoulos, a political science professor at Northeastern University, said these nonprofits provide elected officials with a tool to influence politics without having to name donors.

During the trial, prosecutors did an excellent job of introducing circumstantial evidence and providing the breadcrumbs that led the jury down the path toward finding premeditation, said Daniel Medwed, a law professor at Northeastern University.

During the trial, prosecutors did an excellent job of introducing circumstantial evidence and providing the breadcrumbs that led the jury down the path toward finding premeditation, said Daniel Medwed, a law professor at Northeastern University.