Sean Kassim, a senior fellow in the Division of Pulmonary and Critical Care, hands out tasting strips to find out which people are able to detect certain harmless substances β€” the ability to detect some tastes is genetically determined β€” at the 91±¬ΑΟ Medicine booth for the South Lake Union Block Party, held Friday and Saturday, Sept. 16 and 17. Many of the 91±¬ΑΟ Medicine programs at the 815 Mercer building there participated.