KASI Radio, Ames 09-06-06 STUDYING "BIOPLASTICS" AT ISU IOWA STATE UNIVERSITY RESEARCHERS ARE HOPING BIO-PLASTICS-MADE FROM CORN, SOYBEANS, AND BIO-BASED OILS - MAY BE A WAY TO REDUCE THE NATION'S DEPENDENCE ON OIL. CHEMISTRY PROFESSOR RICHARD LAROCK (luh-ROCK') SAYS THEY'VE FOUND SOME INTERESTING "PROPERTIES" WHEN COMBINING BIO-PLASTICS WITH OTHER THINGS...LIKE GLASS FIBERS. RESEARCHERS USED THE BIO-PLASTICS TO CONSTRUCT A STURDY HOG FEEDER FOR AN ILLINOIS MANUFACTURER. LAROCK SAYS THE BIO-PLASTICS ALSO CONDUCT SOUND FREQUENCIES WHICH COULD OPEN THE DOOR TO A DEVICE THAT COULD ALERT A FARMER WHEN IT'S TIME TO "RE-LOAD" FEED.