[UPDATE 2:42pm: all services are back up and running as usual.]
The growth in researchers discovering and using Mendeley continues to humble us. We have outgrown what our current data center can provide, so now we are expanding into a new one. Unfortunately, this means that some services will be put on hold while we make these upgrades.
Services that may experience downtime starting at 1:30 am PST (9:30 am BST) on Tuesday, July 13 are search and article pages. We anticipate that these will be unavailable for two to six hours.
Client syncs or uploading metadata to Mendeley will NOT be affected during this upgrade.
From all of us, thank you for using Mendeley and changing how research is done.
Paul Foeckler | Co-founder and CTO
Mendeley Blog 
i really hate the new interface for mac. this huge white detail-area sucks. it is not possible to see the full name of the author, unless you decide to edit it. and when i want to add an entry manually, it gets even worse: you move your mouse into a field and cant figure out the title of that field anymore. whats that? uuuh
Hi Donald, thanks for contacting us. We do prefer that suggestions such as this be put forward in our feedback forum (http://feedback.mendeley.com ). If you’re running into any problems related to the interface, you can also contact us at support@mendeley.com