Discovery of Thomas Jefferson at University Teaches Researchers About ScienceSavePrintA chemical hearth recently discovered in the walls of the Rotunda dates back to its Jeffersonian origins. Dan Addison / University of VirginiaThe Associated Press10/16/2015|Updated: 10/16/2015Dan Addison / University of VirginiaWe had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.Share this articleLeave a commentThe Associated PressAuthorAuthor’s Selected ArticlesStudent Is Shot in a Maryland High School and Another Student Is in Custody, Police SayFeb 09, 2026Dutch Speedskater Jutta Leerdam Wins Women’s 1,000 Olympic Gold With Fiancé Jake Paul in the StandsFeb 09, 2026How Major US Stock Indexes Fared Feb. 9Feb 09, 2026What Stood Out in This Year’s Super Bowl AdsFeb 09, 2026