Boston

The state is a medical hub with giant hospitals and a huge healthcare workforce. Young adults who work in that field are getting the COVID-19 vaccine while at-risk seniors wait on the sidelines.

Cornwall's has been a Kenmore Square mainstay for more than four decades. Now it's preparing to reopen — and to reinvent itself for survival during the pandemic.

The Great Molasses Flood of 1919 in Boston resulted in a lawsuit that used expert witnesses for the first time and was the catalyst for new regulations governing architects and engineers.