SCIENCE!—OMSI hosts the world premiere of the guaranteed-to-be-awesome The International Exhibition of Sherlock Holmes, which explores how Sir Arthur Conan Doyle's famous detective used forensics to solve mysteries. Science! Plus, manuscripts, artifacts, and a chance to do some detectiving of your own. AH
OMSI, 1925 SE Water, Tues-Sun 9:30 am-5:30 pm, through Jan 5, $18

BOOKS—From his groundbreaking look at evolution and genetics (1976's The Selfish Gene) to his brilliant treatise on atheism (2006's The God Delusion), Richard Dawkins is one of our smartest and most gleefully provocative thinkers. He's making a rare stop in Portland to discuss his new autobiography, An Appetite for Wonder: The Making of a Scientist. EH
Powell's Books at Cedar Hills Crossing, 3415 SW Cedar Hills, Beaverton, Thurs Oct 10, 7 pm, FREE; PSU's Smith Ballroom, 1825 SW Broadway, Fri Oct 11, 7 pm, $15-20