Kevin Delaney, the Museum of Discovery’s director of visitor experience, will appear as a guest on “The Tonight Show Starring Jimmy Fallon” at 10:30 p.m. Monday, May 5, performing scientific demonstrations. Museum CEO Kelley Bass notes, “Kevin demonstrates his unique brand of interactive science to thousands of Arkansas school children each year, so we’re thrilled a huge national audience now will be treated to the same kind of exciting science.” The museum will host a viewing party at the Ron Robinson Theater beginning at 9:30 on the night.