What bacteria are exchanged when two people kiss?
That question is addressed in studies that are profiled in the special kissing issue of the Annals of Improbable Research.
One of those studies was honored with an Ig Nobel Prize last year.
What bacteria are exchanged when two people kiss?
That question is addressed in studies that are profiled in the special kissing issue of the Annals of Improbable Research.
One of those studies was honored with an Ig Nobel Prize last year.