Elizabeth Heiser holds the concretion she found in her garden.
Michael De Bonis / wosu

In Columbus' Clintonville neighborhood, Elizabeth Heiser was working in her backyard when she made an unusual discovery. While removing some unwanted bushes, she found an almost perfectly sphere-shaped rock. 

Making a Switch: The Future of Energy

Oct 31, 2013

11:00 We know the energy picture is going to change, but we don’t yet know how that will happen and what we’ll be left with to power our world in the future. The global need for alternative energy is on the rise, and this hour we'll learn about the sustainability of current sources, and the challenges and prospects for the future. Guests