Did you know there are some special benefits of joining the site?  Users who sign in get special benefits not enjoyed by guests to the site.  These include:

• New:  Ability to post and read comments on any news item and some feature articles
• Chat and private messaging between users
• Collaborating as part of the community:  user profile, load photos, link new videos, comment on walls, etc
• Claiming ownership of a recruitable profile (subject to eligibility conditions)
• Plus more! 

Some of these features won't appear until you actually login using your login credentials.