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 […]

Chemistry in the News Materials Chemistry

The chemistry of the coronation crowns

As England celebrates the coronation of King Charles III this weekend, the crowns will be the centre of attention. Combined, the three crowns used in the ceremony contain almost 6,000 gemstones — this graphic takes a look at their chemical compositions.

Food Chemistry

National Tea Day: What causes the scum on tea?

Ever wondered why tea’s stimulant effect feels different to that of coffee? Or why sometimes, when you make a brew, thin scum forms on the tea’s surface? On National Tea Day, here’s a graphic to answer those questions and more!


Making molecular sandwiches: The history of ferrocene – in C&EN

This year marks 40 years since the Nobel Prize in Chemistry was awarded to Geoffrey Wilkinson and Ernst Otto Fischer for their work on the determination of ferrocene’s structure and subsequent research on sandwich compounds. The latest edition of Periodic Graphics in C&EN looks at the history of ferrocene, other types of sandwich compounds, and some of their everyday applications.

Chemistry History

Today in Chemistry History: Robert Bunsen and the Bunsen burner

The Bunsen burner is one of the ubiquitous symbols of chemistry. Though it might be a rarer sight in university laboratories these days, due to some of the highly flammable substances used, they’re still very commonly found in school science classrooms, and for most of us probably bring back memories of school science lessons. As today […]

Women in Chemistry

International Women’s Day: Twelve women from chemistry history – pt. 5

8 March is International Women’s Day, so here’s another edition in the Women in Chemistry History series. This graphic highlights another twelve women whose achievements in chemistry range from the development of vaccines and the production of antibiotics to the development of techniques for chemical analysis.