“The details emerging in the Teixeira trial are horrific and paint a picture of a couple who endured a brutal ordeal in the last moments of their lives,” Stephanie Hartung, a professor at Northeastern University School of Law who has been following the trial, told USA TODAY.

Since 2006, nearly 1,800 people have died in amass shooting in the U.S. (defined as a shooting with at least four fatalities, not including the suspect), according to the USA TODAY/Associated Press/Northeastern University mass killings database.

“Drug checking is a legal gray area,” says Northeastern University law professor Leo Beletsky. “There are provisions in Massachusetts law and the laws of pretty much every other state that might be interpreted to consider drug checking devices as ‘drug paraphernalia.’ “

But Engin Kirda, professor of computer science at Northeastern University, says it’s easy to take precautions — and unless you’re a diplomat or a CEO in a foreign country, you probably don’t need to stress out.

But they’ve soared over the past decade, with drastic year-over-year increases, according to researchers at the Northeastern University School of Law.

Leo Beletsky, of Northeastern University’s Health in Justice Lab, said the system’s overreach, and the frequency with which treatment appears to be misallocated, are good arguments for ceasing testing for cannabis.

Modeled heat index, a measure of heat and humidity. (Maps created by researchers at the Museum of Science, Boston and the Helmuth Lab at Northeastern University. Traverse Points and Landsat Model Raster Data by CAPA Strategies.)

It is a kind of stealth clothing, intended to confuse video surveillance systems, designed by Northeastern University computer engineer Xue Lin in cooperation with researchers at IBM Corp. and the Massachusetts Institute of Technology

That idea has been around for decades, says Matthew Goodwin, associate professor of health sciences and computer science at Northeastern University in Boston, Massachusetts.

Dov Waxman, Professor of Political Science, International Affairs and Israel Studies, Northeastern University

David DeSteno, a professor of psychology at Northeastern University and a visiting fellow at Harvard’s Center for Public Leadership, is the author of “Emotional Success: The Power of Gratitude, Compassion, and Pride.”

Meg Heckman advises the Scope, an experimental digital magazine housed in Northeastern University’s School of Journalism and focused on telling neighborhood stories of justice, hope and resilience in Greater Boston.