I learn something new every day
Did you know there is something known as brain sand? Brain sand! It is not as silly as its name - it's just calcium and magnesium matter found in the pineal gland. But still...brain sand, brainsand, brains and.
Also, the pineal gland really is related to the third eye. "In some reptiles this pineal eye is an almost fully-developed eye with lens, vitreous humor, and retina."
The world? Still strange. In case you lost track.