“The immunological history of a population is now much more complicated than it was at the beginning,” said Sam Scarpino, an evolutionary biologist at Northeastern University. “It’s just a lot harder to reason through what may or may not happen with any new variant that shows up.”

The team included researchers at Massachusetts Institute of Technology (MIT), Idaho National Laboratory, Manchester University and Imperial College London in the UK, Oak Ridge National Laboratory, the Electric Power Research Institute, Northeastern University, the University of California at Berkeley, and King Abdullah University of Science and Technology (KAUST) in Saudi Arabia.

In unwinding the PHE, the “HHS has to balance the fact that, on the one hand, it’s not good practice to have an everlasting emergency; that emergency powers, by their very definition, should be for a limited duration,” said Wendy Parmet, director of Northeastern University’s Center for Health Policy and Law.

The Roux Institute, part of Northeastern University, is envisioning a high-tech graduate school, business accelerator and training pipeline to boost Maine’s workforce and economy, and that would one day host about 5,000 students on the 13-acre site.

Family mass killings immediately capture the attention of people in a community, but rarely garner the level of national attention received by mass killings at schools, places of worship or restaurants, said James Alan Fox, a criminologist at Northeastern University who has studied familicides and mass killings for decades.

Estelle Paranque’s “Blood, Fire and Gold” adds appealingly to this matrix of monarchy, tracing the relations between Elizabeth I (a Tudor) and Catherine de Medici (a Valois by marriage)…Ms. Paranque, who teaches at Northeastern University London, conveys the relationship between these two remarkable women with zest and insight and with sympathy, for Catherine especially.

A school shooting involving a 6-year-old is extremely rare, said James Alan Fox, a criminologist at Boston’s Northeastern University.