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
Cities are the ideal setting for scientific exploration. They attract bright and diverse minds, are abuzz with creative activity, and can summon the capital to realize big ideas. Nature Index 2018 Science Cities profiles five science cities that are leaders in their regions. But each is contending with problems of equity and engagement that need to be addressed to keep them strong.
Advancement of in vitro diagnostics is providing new tools to support disease diagnosis and treatment. In China, researchers encourage university-industry collaboration to promote technological innovation.