As the calendar flips to April 1, millions of people around the world prepare to take what they see, hear and experience with an extra grain of scrutiny. April Fools' Day is a day devoted to pranks, trickery and laughter for people of all ages – from school kids to seasoned professionals – all eagerly anticipating their chance to pull off a successful joke or prank. But what makes this tradition so enduring, and where did it come from? Moira Marsh, a folklore librarian at Indiana University, shared her insights on the significance of April Fools' Day and its murky origins. MORE: https://www.wthr.com/article/news/local/april-fools-iu-expert-shares-origins-appeal-april-fools-day-joke-prank/531-afe390e6-3f2f-4f9f-a0c2-f9c01d41be7b