LEWISTON — The USM/Lewiston-Auburn Senior College is presenting a special winter session of one-day courses for current members. Course subjects range from cruising the Caribbean, exploring the mysteries of the Sistine Chapel, a journey to Egypt, de-stressing with the gift of laughter, winter games, evolution of the dictionary, why nations go to war, and a popular study of forms of energy. Senior college instructors participating are front, left to right, Carol Seward, Ila Green, Rachel Morin. Rear, left to right, June Spear, Hugh Keene, Alan Elze, Charles Plummer, Barbara Randall. Courses are scheduled from Feb. 3 to March 10.