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. […]
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.
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 […]