Things to do Monday: Saint’s relic, Omnimax films

RELIC AT CATHEDRAL: The body of St. Maria Goretti, the youngest saint ever cannonized by the church, will be on display until 11 p.m. Monday at the Cathedral of St. Peter, 200 W. Harrison in Belleville. Bishop Edward Braxton will celebrate a Mass at 7 p.m. The 11-year-old Italian girl was stabbed by a neighbor, whom she forgave, in 1902.

BIG SCREEN: The following are showing Monday in the Omnimax Theater at the St. Louis Science Center: Humpback Whales, 11 a.m.; Journey to Space, noon and 3 p.m.; Robots, 10 a.m. and 1 p.m. Tickets are $9 adults; $8 seniors and students; $6 military.