The Science Center of Iowa and Blank IMAX Dome Theater will host its 16th annual fundraiser and auction Friday, Aug. 22, from 6:30 p.m. to midnight. This year's theme, "The Essential Element is YU (You)," hints at SCI's latest mini exhibit, which will be unveiled during the event. The evening's silent auction will feature more than 200 packages up for bid. A live auction emceed by WHO-TV's Dan Winters and auctioneer Steve Maynes will feature 20 unique packages, including a 10-day photographic safari in South Africa for two. Tickets are $125 per person or $75 for young professionals ages 35 and under. Tickets can bepurchased online, by calling 515-274-6868, ext. 223, or by emailing Tickets also will be available at the door.