David Spiegelhalter's book Sex by numbers takes a statistical peak into the nation's bedrooms. In this interview from 2015 he tells us some of his favourite stories from the book.

David Spiegelhalter's new book Sex by numbers takes a statistical peek into the nation's bedrooms. In this interview he tells us some of his favourite stories from the book. Read the article or watch the video!

Economists reveal that your neighbours significantly impact on your well-being.