Today, some 50 years after the first Puddle Jump, three of the event’s founders — Chris Callahan ’78, Scott Copeland ’78, and Lars Llorente ’78 — returned to campus to kick off this year’s edition.

In part one of our Is It Safe? series, experts warn that these popular flotation devices may give kids and parents a false sense of water confidence Experts say kids wearing floaties should never be ...