Cheap Thrills

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IT'S NOT THE HEAT. We know; It's that darn humidity. Human animals get to deal with it by turning on the AC or cranking up the swamp cooler (minus the pump). But how do plants and animals survive when the heat out-punches the humidity in times of draught?

Luckily there's the summer monsoons and the gentler winter rains that give the thirsty Sonoran Desert a break. On Saturday from 8 to 10 a.m., take a look at native plant and animal adaptations with naturalists Doris Evans, Carrie Dean and others at the Mason Audubon Center, 8751 N. Thornydale Road. It's free but call for reservations at 744-0004.

CELEBRATE THE DAY. Find a willing Grandma, Grandpa or anyone who fills their sensible shoes on Sunday from 1 to 4 p.m. at the Park Place Mall Center Court, Broadway and Wilmot. There's free child identification by the Tucson Police Department, entertainment by clowns, arts in the coloring area, face painting and performing magicians for the kids and the old folks. Call with questions at 747-7575.

BULLS, BEARS AND THE MARKET. Morgan Stanley's Tucson office hosts a seminar exploring how to maintain perspective in changing economic times on Tuesday at 6 p.m. Financial Advisor Susanna Alvarez offers tips. It's free and there are refreshments. Make reservations by calling 519-2356.