Simon says

The biggest cell in humans is the ovum, or female sex cell, at a full mm in diameter. After that comes the nerve cell. The smallest human cell is the male sperm cell. So who says size matters?

by Jonathan Green from Match Wits with the Kids

Are we human?

Animal societies, for the most part are organised according to a strict hierarchy where rank relates directly to the psychical strength of each member. The most dominant male in the group is known as the alpha male, his nearest rival the beta male, and so on down to the weakest of the group, the omega male.

by Michel Houellebecq from Atomised