2708, 2018
  • C&EN – Diving preview

Why are different gas mixes used for scuba diving? – in C&EN

August 27th, 2018|

Click to view the full graphic on the C&EN site

To breathe underwater, divers need an air supply. But this air doesn’t always have the same composition as that we breathe above water. This month’s edition of Periodic Graphics in Chemical & Engineering News looks at the reasons why. Click through to the C&EN site to view the full graphic. […]

2502, 2018
  • Winter Olympic Medal Compositions 2018

What are the 2018 Winter Olympics medals made of?

February 25th, 2018|

If you’ve been enjoying the Winter Olympics in Pyeongchang over the past few weeks, you might have wondered what the medals the winning athletes receive are made of. As this graphic shows, it’s not quite as simple as gold, silver, and bronze!


908, 2016
  • A Guide to Doping In Sports

A Brief Guide to Doping in Sports

August 9th, 2016|

Click to enlarge

The Rio Olympics are underway, and after a build-up that’s already been marred by the Russian doping scandal, officials will be on the look-out for athletes trying to gain an edge by using performance-enhancing drugs. What types of drugs will they be looking for, and why might athletes be tempted to use them in the first place? This graphic takes a look at some of the major classes of banned substances and the reasons that they are banned.


308, 2016
  • Russian Doping Preview

The Chemistry Behind the Russian Doping Scandal – in C&EN

August 3rd, 2016|

The run-up to the Rio Olympics has been overshadowed by a number of issues, not least of which is the doping scandal surrounding Russian competitors. This month’s Periodic Graphics in C&EN looks at the alleged chemical cocktail that was used to dope Russian athletes at the 2012 London Games and in the 2014 Sochi Winter […]