Geometry is an important branch of mathematics used to understand the properties of 2D and 3D space such as distance, shape, ...

We may not be conscious of the phenomenon, but we associate different colours, shapes and sounds with different flavours in ways that can subtly shape our perceptual experience, for example.

Lizzie Collingham is a historian of food and bye-fellow of Jesus College, Cambridge, UK. Her books include The Hungry Empire (2017) and The Taste of War ( 2011). Eating and Being: A History of ...