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.

Biochemistry C&EN

Liquid assets: How mucus, tears and saliva protect us from infection – in C&EN

Snot, tears, and spit might sound unpleasant, but all three are an important part of our immune systems. In the latest edition of Periodic Graphics in Chemical and Engineering News, we compare them and look at their components’ role in protecting us from infections. View the full graphic on the C&EN site.

Food Chemistry

The sour science of vinegar varieties

The first vinegars were accidents of oxidation, wine left out too long which turned sour. The word vinegar even derives from the Latin for ‘sour wine’. Today, varieties of vinegar range from balsamic to rice vinegar, produced on a commercial basis. This graphic takes a look at some of the chemical quirks of the different […]

Chemistry History Physical Chemistry

Today in Chemistry History: Svante Arrhenius and the Arrhenius equation

Svante Arrhenius was born on this day (19 February) in 1859. He’s famous for his eponymous equation and for suggesting in 1896 that carbon dioxide levels in the atmosphere might affect the Earth’s climate. He also clarified our understanding of solution chemistry and acids and bases.

Colourful Chemistry General Chemistry

What links litmus paper and lichens?

Along with universal indicator, litmus paper is one of the most commonly encountered pH indicators in school chemistry lessons. Unlike the range of colours produced by the former, litmus is pink-red in acidic solutions and blue in alkaline solutions. This graphic highlights its complex origins in lichens and the chemical changes that account for its […]

Chemistry in the News Year in Review

The year in chemistry: 2022’s biggest chemistry stories

For the first time since the onset of the pandemic, COVID’s domination of the science news cycle waned in 2022. The focus increasingly shifted to the longer-term crisis we face: that of climate change and taking steps to make components of our modern lives more sustainable. This graphic summarises some of the key chemistry news […]