Holiday Cards for Geeks!

1. Unstable Isotope

   November 30, 2008, 8:04 pm

   That’s hilarious!

   I like the amino acid one a lot, but I’m a geek.

2. nemski

   November 30, 2008, 8:07 pm

   Great Cassandra, thanks for sharing.

3. pandora

   November 30, 2008, 8:13 pm

   I love these! Very clever.

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