Before you read this, I suggest you read post 20.7. For security reasons, there is a limit to the quantity of gels you can take on to an aeroplane. But do the passengers or security staff understand what a gel is? And what do the people responsible for the rules mean by the word “gel”?… Continue reading 20.39 Gels

Before you read this, I suggest you read post 20.32. In the English language the word “sugar” is often used to mean “sucrose” – the sugar extracted from sugar cane or sugar beet that is often used to sweeten foods and drinks. But sucrose is not the only type of sugar – other examples are… Continue reading 20.38 Sugars