Here's why some Civil War soldiers dyed hair for photographs

New research suggests soldiers off the battlefield during the Civil War still made time for a wee bit of vanity. Archaeological excavations at Camp Nelson  -- a former Union outpost in central Kentucky -- have unearthed broken bottles that once held hair dye likely used to darken light-toned locks that might otherwise wash out as gray or white in photographs, reports, the Lexington Herald-Leader. • Article