After scanning across the whole surface, having previously compiled a relief map of the surface in the usual way, the researchers were able to draw up a map of the binding sites and pinpoint the positions of the antigens to within two or three nanometres.

ECONOMIST: Microscopy

Last year the firm completed roughly 400 missions across the map, including earthquake relief in Haiti last year.

FORBES: The Business Of Evacuation In Egypt

FORBES' research has identified three: the International Rescue Committee (www.theirc.org), Direct Relief International (directrelief.org) and Map International (map.org).

FORBES: Sing Along