"Wolves of that sort smell keener than goblins, and do not need to see you to catch you!" -- JRR Tolkien, The Hobbit
Cost: 2 points/level
Acute Taste and Smell is a physical, mundane advantage that is listed under Acute Senses. It is described in Basic Set, p. 35, and referenced in Dungeon Fantasy 2, p. 9, on detecting dangerous substances.