What a perfect use of You-tube: a different short video for each chemical element. Kudos to the science geeks at Nottingham University and their Periodic Table of Videos channel.
Now imagine all the ways that you and your colleagues, with a $100 Flip video camera, can begin to change the world.
Sodium rocks!
ht Boing Boing.
Posted by pheidole 
Survive and Thrive in Grad School 