In TODAY.com's Expert Tip of the Day, a trainer explains how incorporating HIIT into a weekly workout routine can boost one's metabolism and help with weight loss.

DLA Piper, the third-largest law firm globally, is now requiring its people in its non-U.S. offices to attend the office a minimum of three days a week as of next month. It becomes one of the last global law firms to mandate three days in-office attendance, as some players in the industry impose four day mandates.