In addition, the Sumerians invented the sexagesimal system, which defines time and seconds, because the cuneiform writing they used had a way of writing numbers from 1 to 59.

Two hundred years ago, the son of a saddler from a rural French village devised a groundbreaking tactile writing method of raised dots for blind people at the mere age of 15.

The therapeutic benefits of writing can go far beyond the stereotypical journalling exercise. These writers share their stories.