291 THE RECENT CONTENTIONS that a government scientist was responsible for the 2001 anthrax letter attacks represent a challenge to this country’s resolve to remain a global leader. Our future is inextricably bound with our ability to maintain a pre-eminent role in science, and so it is imperative that our leadership and citizenry have the confidence in American science that it well warrants. N...

Sub-Sahara African commodity exporting economies have benefitted greatly from the commodities boom of the past decade. The conventional wisdom argues that resource extraction is corrosive of industrial development due to a combination of the macroeconomic consequences of resource exploitation and the assumed enclave nature of mineral and energy extraction. The paper challenges this pessimistic ...

Women wishing to combine children with a research career should not be seen as taking a backstep but as bolstering both activities, argues Marlene Belfort.

We investigate the role of the information available to the players on the outcome of the cops and robbers game. This game takes place on a graph and players move along the edges in turns. The cops win the game if they can move onto the robber’s vertex. In the standard formulation, it is assumed that the players can “see” each other at all times. A graph G is called cop-win if a single cop can ...