Researchers who change country produce more influential work

SCIENCE is an international affair. Researchers from different countries frequently collaborate with each other, a process made ever easier by the rise of electronic communications. Sometimes, they actually change country to do so. Marie Curie moved from Poland to France. Guglielmo Marconi moved from Italy to Britain. Nikola Tesla moved from Austria-Hungary to America. Those are famous historical examples, but these days such migration is commonplace. Presumably, all the gadding about leads to b...