This Girl Can', a new advertising campaign from Sport England to get more women playing sport. Domestic Violence perpetrator programmes stop abuse says new research. Nail biting is very common but why do we do it and does it matter? Laura Doggett, a hotly-tipped 2015 musician, plays live. Denmark is said to be the happiest place to live in the world. 'A Year of Living Danishly' looks at if it is. Show less