Has an 18th century anatomist been vindicated by new research on how waste leaves the brain? Rachel David investigates.

Anna Ikarashi on how agriculture today will make it harder for future generations to feed themselves

Urgent action needs to be taken to reduce the amount of waste in landfill. Tom Bragg takes a look at the ethical reasons for waste reduction …

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 […]

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, […]

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 […]