RT @BioethxChat: A reason to focus on the urban environment: Do cities widen the gap between rich and poor? via @wef http://t.co/6rznxkhXnL #bioethx

RT @BioethxChat: A reason to focus on the urban environment: Do cities widen the gap between rich and poor? via @wef http://t.co/6rznxkhXnL #bioethx (via Twitter http://ift.tt/1tBBu8p)