1.The mucous membranes in the nose and sinuses produce between a pint and a quart of mucus a day. Nearly all of it is flushed out of the sinuses and into the stomach, where it is dissolved by acids.

2.One-third of American adults pick their nose at least once an hour. You know who you are.

3.The first extensively reported rhinoplasties -- aka nose jobs -- were done in Italy during the Renaissance. The most celebrated surgeon performing the procedure at this time was excommunicated from the Catholic church, as officials believed he was tampering with the work of God. Today nose jobs are the most common form of plastic surgery among both women and men.

4.Obligatory biblical nose fact: God is said to have created life by blowing into Adam's nostrils.

5.This is how smells are translated into thought: When we smell, say, a turkey roasting in the oven, the molecules carrying the odor arrive in the nose and bind to receptors on a dime-sized patch of tissue at the top of the nose called the olfactory epithelium. These receptors make connections with neurons in the olfactory bulbs, two cylinders located directly behind the gap between the eyebrows. From there, impulses are relayed to the brain's limbic system, which governs emotions and sexuality, as well as the hippocampus, which is thought to encode the information into memory.

6.Sinuses were discovered in 17th-century England when a woman who had had a tooth extracted stuck a hair pin in the hole left in her gum. The pin disappeared and the woman panicked, fearing the pin had traveled to her brain. Her doctor determined that the pin was stuck in a grape-like cluster of cavities behind the woman's face: the sinuses.

7.Pheromones, chemicals released by humans and other animals, are thought to play a role in sexual attraction, with the nose picking up their scent. Scientists believe the nasal grooves running from the nostrils to the corners of the mouth are pheromone-rich sites and that romantic kissing came about to detect these pheromones.