Central Ohioans can take part in hands-on STEM demonstrations at more than 100 locations throughout Franklin County. The festival ends Saturday with the Big Science Celebration at Genoa Park outside of COSI.

<p>Central Ohioans can take part in hands-on STEM demonstrations at more than 100 locations throughout Franklin County. The festival ends Saturday with the Big Science Celebration at Genoa Park outside of COSI.</p>

Digital audio from The Columbus Dispatch in Ohio. Hear the latest interviews from news-makers, politicians, artists and musicians.

<p>Digital audio from The Columbus Dispatch in Ohio. Hear the latest interviews from news-makers, politicians, artists and musicians.</p>

From the Newsroom: The Columbus Dispatch - News and Interviews from Columbus, OH

From the Newsroom: The Columbus Dispatch

The Latest News, Interviews and raw audio from the Columbus Dispatch, Columbus, Ohio.

COSI president talks about inaugural COSI Science Festival