SOUTH BERWICK — The 13th biennial Beaches Conference will take place on Friday, June 10 at Berwick Academy. Returning after a three-year hiatus, this event brings together residents; beach monitors; artists; scientists; students; local, state and federal agencies; youth; and anyone else who cares about the beaches and coasts to discuss the latest science, arts and culture, management and other trends on the shore. The conference focuses on both New Hampshire and Maine coasts.