Seriously though, I'm inclined to believe that thousands of years ago humans were actually more intelligent. We may be more technologically advanced now, but some of the accomplishments of the ancients still confound us.
yeah, it's amazing what that endless supply of slave labor could accomplish. i believe we would be unable to build the great pyramids today. at least to the specs to which they were built. maybe it's because the aliens built them...oooooohhhhhh!