Sunday, March 1, 2009

Complexity of Spit Revealed

From Live Science:

Saliva tells a lot about a person these days, ranging from ancestry to criminal connections. But drool still holds many mysteries, including what the heck lives in it and why each of us has our own salivary signature.

A new study tries to clean this up a bit, revealing that there is a lot of bacterial diversity living in the moisture in our mouths, both within and among individuals.

Read more ....

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