We discovered a ‘gentle touch’ molecule is essential for light tactile sensation in humans – and perhaps in individual cells
- Written by Kate Poole, Associate Professor in Physiology, UNSW Sydney
ShutterstockYou were probably taught that we have five senses: sight, sound, smell, taste and touch. This is not quite right: “touch” is not a single sense, but rather several working together.
Our bodies contain a network of sensory nerve cells with endings sitting in the skin that detect an array of different physical signals from...





