STILLWATER, Oklahoma, Dec. 13 -- Oklahoma State University issued the following news: When Ashley Mattison thought about her future, she knew she wanted to wear orange. A third-generation Clemson University graduate, the symbolic color brought her from the valleys of Tennessee and South Carolina to the plains of Stillwater, Oklahoma. Now an assistant professor in the Oklahoma State University Department of Biochemistry and Molecular Biology, Mattison has a dual role in teaching and as an OSU  more PR