seconds: Million 0.0328 years; Billion 31.7 years; Trillion 31,710 years


Visit USADebtClock.com to learn more!

Wednesday, July 7, 2010

Amazing world of viruses

Swine flu virusPhoto: telegraph.co.uk

Swine flu virus

Photo: telegraph.co.uk

Next photo »

Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)