Conversations for The History of Teeth Cleaning
There are 4 Conversations
|Conversation Title||Latest Post|
|History of Teeth Cleaning - more sources ||Sep 22, 2011|
|paste and brushes ||Mar 16, 2009|
|dental floss ||Jul 25, 2004|
|fluoride ||Jul 21, 2004|
Infinite Improbability Drive
"A collaborative guide, one that was written and kept up to date by the people who used it, in real time, might be a neat idea. I just didn't really realise that such a thing might be possible in my lifetime or how powerful such a thing might be."
"The Hitchhiker's Guide to the Galaxy is a wholly remarkable book. It has been compiled and recompiled many times and under many different editorships. It contains contributions from countless numbers of travellers and researchers."