Scientists are now positing (more) information about the strange red stone hats Easter Island's huge stone figures have worn:
*They seem to be some kind of symbol of leadership.
*The islanders may have thought that adding the red topknots actually brought the figures magically to life.
*The stone hats were quarried from a "secret" quarry, also with religious overtones, and were rolled along a path also lined with red dust.
Here's the partial report. I'm not so sure any of this is blindingly original stuff, but it's interesting, nonetheless.