Chemistry History General Chemistry

Today in Chemistry History: Søren Sørensen and the pH scale

On this day (9th January) in 1868, Danish chemist Søren Sørensen was born. He’s best known for developing the pH scale, which we’ve likely all encountered, to measure the acidity or alkalinity of solutions. This graphic gives a brief overview of the pH scale and what it means.

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 […]

Materials Chemistry

The chemistry of a football shirt – World Cup 2022 final

With the World Cup final taking place over the coming weekend, here’s an updated graphic on the chemistry of a football shirt, looking at the different polymer materials that are used in their manufacture.

Chemical Reactions General Chemistry

A short guide to different arrows in chemistry

What do the various different arrows used by chemists all mean? That’s the question this short summary graphic aims to answer, by highlighting the most common arrows encountered in chemistry lessons and textbooks and giving a brief explanation of their use with examples.

C&EN Space Chemistry

What fuels help rockets into space? — in C&EN

Rockets require a huge amount of energy to launch into orbit. In the latest edition of Periodic Graphics in Chemical & Engineering News we look at the different types of fuels used to get rockets off the ground and how spacecraft continue to propel themselves in space. Click through to the C&EN site to view […]

Biochemistry C&EN Halloween Chemistry

Halloween Special: What are our skeletons made of? – in C&EN

Our bones don’t just create the supporting frames for our bodies—they also perform a number of important roles for our health. In the latest edition of Periodic Graphics in Chemical & Engineering News, we look at the materials in bones and what some of them do. View the full graphic on the C&EN site.