Planet Earth: Geology of the World, The Art of Memoir, and Geneology 101 are three of thirteen six-week courses offered by Lifespring, the Saugerties-based lifelong learning program for persons age 55 and over this spring. Registration is open now for current and new members. For a complete listing of courses and more information about Lifespring: Saugerties Adult Learning Community go to www.lifespringsaugerties.com or call 845 246-2800 ext. 452 to request a catalog. Registration forms must be postmarked by Feb. 28. Classes will run from Apr. 17 to May 22. Cost for this semester only is $40. Classes are held at the Woodstock Jewish Congregation, Glasco Turnpike in Saugerties. This facility is accessible to persons with disabilities.