Why Silicon Valley's top execs are obsessed with taking walks

In a new book, Pixar's first chief financial officer details the hundreds of walks he went on with Steve Jobs during the company's formative years. The conversation would meander from business to personal.

How being alone may be the key to rest

The results of the world's largest survey on rest indicate that to feel truly rested, a lot of us want to be alone, reports Claudia Hammond.

Last November an online survey called The Rest Test was launched to investigate what rest means to different people, how they like to rest and whether there is a link between rest and well-being. The results are now in and the analysis has begun.