Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Europe is in a mood to collaborate in research, as in much else, but doubts persist about the proper framework. This survey of science in Europe may resolve some issues.