Their mouths were stuffed with three pieces of sugar-free bubble gum. Each child chewed vigorously then slowly blew. Some of the bubbles expanded to the size of their heads.

At the bubble gum blowing contest on Aug. 20 at the Iowa State Fair, some people's confidence bubbled more impressively than their gum.

DES MOINES, Iowa (KCCI) - There is always some friendly competition at the Iowa State Fair. That includes the contests to see who can blow the biggest bubble with bubblegum and the pie eating contest.

For the first time, a team of scientists has photographed humpback whales blowing bubble rings to communicate with humans. A team of scientists from the SETI Institute and the University of California ...