I don't know, my dd's palm reading kit claims that people with a lot of lines on their palms are "old souls" and may be wiser and more intelligent as a result. Since both dds and I have very lined up palms, I can go with that as a physical marker of IQ -- lol!
Yeah, that sounds like scifi to me as well. I do recall reading somewhere that the MRIs of people with higher IQs looked noticably different. I can't recall where that was, though, and I don't believe that they said anything about figuring IQ down to the point based on MRIs either.
