Science Behind the Photo #15

Some shocking statistics about the world’s rivers: Every day, 2 million tons of human waste are disposed of in water courses. (Source: World Water Assessment Programme (WWAP)) In developing countries, 70 percent of industrial wastes are dumped untreated into waters where they pollute the usable water supply. (Source: WWAP) Projected increases in fertilizer use for […]

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, […]

Waking up to the world’s water waste

In the debates about dwindling natural resources, water is often left out of the picture. Perhaps unsurprisingly, we take water for granted – it’s everywhere we look: as rain, the mains supply, reservoirs and oceans… the supply seems endless. The key word here is ‘seems’. Water is a precious resource, fundamental to all life on […]