edit: my bad, i should yave read further - the suggestion is that the location on the Earth'a surface could influence the surface chirality. Well if you have a

edit: my bad, i should yave read further - the suggestion is that the location on the Earth'a surface could influence the surface chirality. Well if you have a 'left handed' surface and a 'right handed' surface then the problem has just shifted to the molecule to the surface. To put it another way - what drives the asymmetry of the surfaces?