The world today invests some $2.5 trillion a year on transportation, power, water, and telecommunications systems. Yet it’s not enough—and needs are only growing steeper. In a follow-up to its comprehensive 2013 report Infrastructure productivity: How to save $1 trillion a year, the McKinsey Global Institute finds that the world needs to invest an average […]

A group of scientists at MIT are taking cues from nature to develop a new type of concrete that may be stronger and more durable than traditional cement. In a recent paper published in the journal Construction and Building Materials, researchers compared cement paste with the structure of natural materials like bones, shells, and sea sponges. […]