Doctors call for ban on diesel engines in London
http://www.bbc.co.uk/news/uk-england-london-38274792
Extra baby scan 'spots brain problems'
http://www.bbc.co.uk/news/health-38304074
Nature's adhesives
http://theconversation.com/glues-inspired-by-nature-will-give-us-faster-ships-surgical-adhesives-and-sticky-car-tyres-69505
Getting the same views on news in an ' Echo Chamber'
http://theconversation.com/how-to-check-if-youre-in-a-news-echo-chamber-and-what-to-do-about-it-69999