In honor of the Chinese New Year here's a cool video on tea chemistry with a New Years angle. It covers some very cool aspects of tea chemistry that I think even the non-geeks out there can enjoy.
EDIT TO ADD -- PS -- Teance is having a two-day, free-shipping sale on orders over $60. Enter the code "CNYFREE" on January 30 and 31 for free shipping. They recommend the following as Chinese New Years gifts:
Yellow Gold Oolong
Pu-Erh 15 Year Aged