Matthew King loves it when the wheels start turning for a kid – both the metaphoric mental wheels and the very literal one that’s soon going to fling them around. The free event will run from 11 a.m.

Kevin Seymour watches as liquids react during his COSI demonstration at the Marietta Elementary School on Friday. (Photo by Amber Phipps) MARIETTA — Fifth and sixth grade students at Marietta ...

Yewande Oluwole, 5, and her sister Jadesola, 3, love astronomy and can name every planet—even the dwarf planets. But peering through a refracting telescope at a tree branch on the University of ...