The easiest way is to check off the "Recieve email updates" box in your profile. You can only do this if you have an account.
If you do have an account, you can:
Clearing this check box means we will never contact you via email.
This means you will receive email updates whenever there is a major event, addition to the collection or other news worthy event. The newsletter will update you on news as it becomes available, such as major events.
In order to view the most recent additions to the collection, simply use the "Recently Added" link on the left hand nav bar, as well as the "Recently Updated" link for changes to the collection.
Soon these two links will be provided with a subscription service so that you can view updates via RSS.