And does anyone in the burgeoning food community that is WoM know what pica pica is?
From the guardian.co.uk
In 2007, OCLC acquired the remaining shares of OCLC PICA to become the sole shareholder of OCLC PICA.
From the en.wikipedia.org
If the maintenance of the pica phenotype was due to another protein being in its prion state, a complete loss of endogenous proteins in prion conformation should abolish pica.