See what happens when ketchup and baking soda are used in a playful prank experiment with an unexpected outcome. The setup doesn't go exactly as planned, leading to a funny fail and a memorable ...

COSI's annual closure begins Sept. 7, but families can keep the science going at home with four easy experiments using ingredients such as baking soda, vinegar, Alka-Seltzer, Mentos and yeast. COSI's ...