Join us for File 4: The Case of the Vanishing Van Gogh, and help Poppi and Ray by learning about polyatomic ions. It’s gonna rock!The M.C. Detective Agency is a comic book series written by Colleen Kelley, Ph.D., as part of Kids Chemical Solutions. These comics give kids a fun introduction to chemistry concepts taught at the college level. The four-part comic book series, along with activity packets and sample lesson plans, are available at kidschemicalsolutions.comClick here for your free Periodic Table with Ions, and Granny Eve’s Polyatomic Recipes! Subscribe to What If World wherever you listen: link.chtbl.com/whatifworld. What If World is made by Eric and Karen O'Keeffe. A big thanks to our producer Miss Lynn. Our podcast art is by Jason O’Keefe, and our theme song is by Craig Martinson.