Batting away pesticide use

Agriculture is a costly business. You need seeds to plant, fertilizer to make it grow and machinery to harvest. Unfortunately, we grow most of this food in big, exposed landscapes providing an delicious buffet for billions of insects. It is no surprise, therefore, that pesticide is one of the biggest expenses for British farmers (£720 […]

Science Behind the Photo #4

The startling yellow chemical in this photo is the ferricyanide anion, [Fe(CN)6]3−. Ferricyanide has a colourful history, rising to prominence for its use in the dark Prussian Blue dye when combined with iron. More recently, its electroactivity has become important in a range of applications. In this experiment, the ferricyanide is being used to mediate, […]