The popular MBC entertainment program "Infinite Challenge" member Jung Joon Ha found the secret to melting ice.

On the most recent episode of the MBC entertainment programs "Infinite Challenge," which aired on August 9, 2014, the Infinite Challenge members Noh Hong Chul, Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, and Jung Hyung Don challenged themselves to protect their blocks of ice from melting in hot, humid weather. They borrowed blocks of ice from the ice protector Kim Hak Chul for a mission, where they had to protect their blocks of ice from melting until a given time.

On this day's episode, Infinite Challenge member Jung Joon Ha said, "Salt makes ice melt less," and looked for salt. However, after walking with his block of ice covered in salt for a few minutes, he realized that salt actually melts ice and said, "This is why people put salt on the ground in the winter," making people laugh. In related news, on the most recent episode of the MBC entertainment program "Infinite Challenge," Infinite Challenge members played a survival game protecting their own block of ice from melting in hot, humid weather.