Biodegradable Silk-Based Clingfilm Could Cut Food Waste Around The World

Scientists have invented a new silk-based alternative to clingfilm they claim can preserve food without refrigeration for more than a week. Biomedical engineers, from Tufts University in America, say the edible, biodegradable silk solution is so thin it is virtually invisible to the eye.  They hope the material will be beneficial to the environment and…