From Jean Thorning
Truro, Cornwall
Your article on the evolution of the eye (New Scientist, Science, 8
February) has answered a long-standing puzzle for me over why so many people
have a mole or worty growth between the eyebrows. It must be a left-over
collection of cells from the original neural plate from which they develop. I’ve
always thought of it up until now as the pineal eye.
