People who have received hearts from donors who begin to have dreams of past lives they've never known--at least in their current bodies.
Surely this is a myth, Wordwind, not science. The heart has nothing to do with either memories or emotions. The "heart" is located within specific areas of the brain, as brain scans now illustrate. Fear of an alien heart implanted in one's own body, hardly an everyday experience, could easily provoke vivid imaginings which are interpreted as alien "memories", doncha think?