OSU is tapping into Ohio’s sweetest crop: maple syrup
On a cold January morning, Ohio State University assistant professor Gabriel Karns is outside with a small hammer and a drill. He scans the bark of a maple tree for the perfect spot.
“One of the things we look for is an area on the tree where the bark doesn't show much evidence of an old knot,” Karns said, delicately brushing moss off a towering maple.
