The Power of Soap | Extra Life: A Short History of Living Longer
How scientists and doctors finally realised the power of soap in preventing the spread of diseases, and how soap works.Tweet
Norovirus Spread | Winter Viruses and How to Beat Them
A demonstration shows how far norovirus can spread when a person vomits.
Hand-Washing | The Truth About…
Susan Lea explains why hand-washing is one of the simplest thing we can do as individuals to stop the spread of bacteria in our environment.