The sugar conspiracy | Ian Leslie | Society | The Guardian http://www.theguardian.com/society/2016/apr/07/the-sugar-conspiracy-robert-lustig-john-yudkin
Skyscrapers — but no sewage system. Meet a city run by private industry | http://ideas.ted.com/skyscrapers-but-no-sewage-system-meet-a-city-run-by-private-industry/?utm_campaign=social&utm_medium=referral&utm_source=facebook.com&utm_content=ideas-blog&utm_term=global-social+issues