Fig. 2From: The life history theory of the Lord of the Rings: a randomized controlled trial of using fact versus fiction to teach life history theory(Image by farmerownia (www.farmerownia.pl) ( BY-SA ())An artist’s image of an orc. Given the small size of most orcs, the skull on its belt probably belonged to another orc or a hobbit. Alternatively, this might be a reproduction of an Uruk-hai, one of the larger orcs Back to article page