We’ve known for a long time that the planets travel around the sun, but there was a period where this was still new, exciting, and worthy of public demonstrations. Eighteenth century artist Joseph ...

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 ...

Discover a fascinating water trick that demonstrates basic scientific principles in a simple and visual way. This experiment shows how pressure, surface tension, or motion can create surprising ...