Please be advised that a noticeable taste of blood is not part of any test protocol but is an unintended side effect of the Aperture Science Material Emancipation Grid, which may, in semi-rare cases, emancipate dental fillings, crowns, tooth enamel, and teeth.
(
drimble he'd been white, he'd been black,
Mon 20 Dec 2010, 13:58,
archived)