Chocolate is a cultural asset of mankind. Klaus Roth proves, once again, only chemistry is able to produce such a celestial pleasure

Klaus Roth concludes his look at espresso with a scrutinizing glance at the foamy, consolidated surface layer, the crema.

Klaus Roth proves that no culinary masterpiece can be achieved without a basic knowledge of chemistry.

"First make sure you both want to get married, then go to the mayor" - key advice on how the chemical industry can succeed in the Middle East