Image 2b (IMAGE) Nanyang Technological University Caption In an experiment, strawberries that were wrapped in the NTU-Harvard University-developed packaging stayed fresh for seven days before developing mould, compared to counterparts that were kept in mainstream fruit plastic boxes, which stayed fresh for four days. Credit NTU Singapore Usage Restrictions No restrictions. License Public Domain 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.