Changes

T'au faces are flat, wide around the eyes{{Fn|28a}}, and they posses possess olfactory organs containing densely-massed subdermal receptor neurons with complex of cilia.{{Fn|33c}} These are located inside their mouths allowing them to taste the air with their tongues and deposit air samples onto their sense organs{{Fn|28a}} as well as an additional olfactory slit on their faces{{Fn|30d}} called a '''Shio'he'''{{fn|16b}}. The T'au's sense of smell is superior at short distances than a human's{{Fn|28a}} and is keen enough that they are able to detect the unique scent of [[Space Marines]] from a distance.{{Fn|30c}} They are capable of exuding scents that convey their mood and emotional state to others of their kind. {{Fn|30a}}{{Fn|30b}}