Frank Forcella was surrounded with apricot pits – a seemingly useless collection of fruit stones saved in an endless line of 5-gallon buckets. Apricot trees don’t fare well in the cold of Minnesota, ...

Frank Forcella was surrounded with apricot pits saved in an endless line of 5-gallon buckets. Apricot trees don’t fare well in the cold of Minnesota, but Forcella scratched out a hobby harvest each ...

The USDA agronomist was sure he could find a use for the waste, and a few web searches revealed that fruit processors often grind up pits to use in sand blasters. This led to a less obvious question ...