Bleach (image) Penn State Share Print E-Mail Caption Researchers gave workers the low-tech food-safety training and documented how they altered their behavior later. Afterward, they measured to see if the newly trained cheesemakers' actions improved conditions at their plants. Researchers discovered that they had. Credit Penn State Extension Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.