C&EN Food Chemistry

Coke and Cola: Soda’s chemical history – in C&EN

It’s an oft-mentioned story that Coca-Cola used to contain cocaine. So, in this edition of Periodic Graphics in C&EN, we take a look at the unexpected compounds that some of our favourite sodas once contained and explore how water is carbonated to make sodas in the first place. View the full graphic on the C&EN […]

Chemunicate Physical Chemistry

The Secrets of the Coke and Mentos Fountain

It’s one of the most popular science demonstrations: Pop a handful of Mentos candies into a bottle of Coke, and a fountain of bubbles rapidly spurts from the open bottle, often over a metre into the air. Originally the explanation for the effect was thought to be quite simple. However, scientists are finding that there’s more […]

Miscellaneous Graphics

Coke & Diet Coke: The Facts and the Fiction

Over the past week, you may well have seen a couple of graphics purporting to explain the effect that drinking a can of Coke or Diet Coke has on your body. They’ve been picked up by a range of online news and media sites, and as a result circulated widely. Unfortunately, although some of the information contained […]