Science and technology can be used to build relations between countries. Thus, scientific diplomacy is becoming increasingly important, and is the subject of Nature Immunology’s December Editorial (10, 1223; 2009). The use of science diplomacy has taken a back seat in the many years since President Nixon signed the Science and Technology Cooperation Agreement between China and the United States. But the Nature Immunology Editorial argues that current world events have thrust the use of this diplomatic card back into the limelight. “A 2004 Pew Survey of many Muslim states confirmed that the most countries had negative views of America.