when should you throw away leftovers?
- Written by Enzo Palombo, Professor of Microbiology, Swinburne University of Technology
If it's been out longer than four hours, it's best to throw it away.By Merrimon CrawfordRefrigeration is the most important invention in the history of food. But while commercial and home refrigerators have only been used for the past 100 years or so, people have long used cool natural environments to store foods for extended periods.
Temperature...





