How Heat Sealing Machines Work

How Heat Sealing Machines Work

In the early sixties hardly anybody knew how heat sealing machines work. For those of you that were born in or before the sixties, you may remember your lunch choice being made through a glass shelf on a café counter top, where the selection on offer was a bland...
Can Norovirus Live on Food

Can Norovirus Live on Food

Introduction Norovirus on Food At the 2017 World Athletics Championships, Botswana sprinter Isaac Makwala qualified for the 200m semi-finals in a quite unusual way: by running the heat – and celebrating afterwards – all alone. During that week, Makwala, along with...