A unique group of families met in Springfield Tuesday for their own commemoration of the Gettysburg Address. It's the 150th anniversary of Abraham Lincoln's speech consecrating a Civil War cemetery.
Nowadays, the most famous speech in American history is chiefly remembered for the quality of its rhetoric.
But for others, it's the substance of Lincoln's words that counts.
Imagine taking a pill before going to a concert to help protect your hearing. Or taking one afterwards to restore it. That day may be sooner than you think.
Dr. Kathleen Campbell, Director of Audiology Research at the Southern Illinois University School of Medicine, has patented a treatment. It's currently undergoing a clinical trial.
Campbell's treatment involved D-methionine, an amino acid.