 A new discovery from the American Revolution. Five musket balls were recently unearthed at Minuteman National Historical Park. That's north of Boston. Experts say they were fired at British soldiers in 1775 during the event known as the Shot Heard Round the World. They'll now be on display at a local museum. Michelle Franz in ABC News. News Radio 97.7 FM and AM 1000. All news, all the time. On the Northwest's only all news station.