The Health Sciences Library’s “Ask Us” chat and email reference service will be down today while migration takes place to Version 2 software. We apologize for this inconvenience as we appreciate the convenience of this means of communicating with us. In the interim, please send any reference inquiries to email@example.com or to your Liaison Librarian . You can also send messages to us via Twitter (@nymclibrary) or Facebook, or via phone 914-594-4210. We will have the service back up tomorrow.