Sulphur is in abundant supply thanks to environmental regulations. But if the world faces a glut of this devilish yellow element, what uses can it be put to? Show more
Silicon chips already transformed the world once, but could the chief ingredient in sand be on the verge of a second technological revolution, in an entirely different industry? Show more
Lead is the sweetest of poisons, yet a lead-acid battery is still what gets your car going in the morning. Justin Rowlatt delves into the pros and cons of the heavyweight element. Show more
