The DOI (Digital object identifier) can be found on the online version of the paper on the publisher's website
or by using CrossRef's free DOI lookup service.
There are questions about whether the tool, which could be used by editors to find and shortlist peer reviewers, would disadvantage inexperienced candidates or those in certain locations.
An ‘at a glance’ approach to publication details, such as journal acceptance rates and the number of peer reviewers, would promote transparency, scientists say.
In the Nature Index, most of America's leading institutions are recording negative growth in natural-sciences output. Take a look at those that are bucking the trend.
A move away from narrow assessment metrics such as high-impact publications is welcome, but a lack of planning and consultation mean the replacements are often no better.