Mobius Open House

Learn about volunteer opportunities with the social service nonprofit. May 21 from 10-11:15 am. Free. Catholic Charities Family Services center, 12 E. Fifth Ave. ccspokane.org (358-4270)

Western Art Show, Dutch oven cook-off, live entertainment, vendors and more. May 24-26. Downtown Ritzville, Wash. ritzvillewesternart.com (660-0654)

A public march to create awareness for genetically-modified foods. May 25 from 11 am-3 pm. March starts at Fifth Ave. and Brown St. and goes to Riverfront Park. (991-8538)

"Dowsing and Dead People"-themed activities on the ideomotor effect. June 7 from 10 am-6 pm. $7-$10. Mobius Science Center, 811 W. Main Ave. mobiusspokane.org (443-5669)

"Homeopathic remedies"-themed activities on the science behind home remedies. July 5 from 10 am-6 pm. $7-$10. Mobius Science Center, 811 W. Main Ave. mobiusspokane.org (443-5669)

"Popular Science"-themed activities on how to judge science as told on TV and the Internet. Aug. 2 from 10 am-6 pm. $7-$10. Mobius Science Center, 811 W. Main Ave. mobiusspokane.org (443-5669)