A worker stacks traffic safety poles at Pexco's manufacturing center in Fife, Wash. The small company ships products all over the world, with the help of federal insurance from the Export-Import Bank. Drew Perine/MCT/Landov hide caption

itoggle caption Drew Perine/MCT/Landov

Where In the U.S. do people say pee-kahn over pi-kahn? Joshua Katz answered your burning question by mapping Bert Vaux's dialect survey on regional variations in the continental United States. Courtesy of Joshua Katz hide caption

itoggle caption Courtesy of Joshua Katz