University of Maine Cooperative Extension 4-H will offer an online special interest 4-H club on the science of sharks for youth ages 9–18, 4–5 p.m. on Tuesdays, May 16–June 6. Required registration for this special interest, or SPIN, club closes April 25.   The 4-H Shark Club will cover topics such as types of sharks, how read more UMaine Extension 4-H offers learning opportunity about sharks