Humans can smell 1 trillion different scents, study finds

Breathe in deeply and feel the power of your nose. If your sense of smell is firing on all cylinders, you can distinguish among a dizzying array of 1 trillion different odors, according to a new study in the journal Science.

Bad perfume, baby skin, lavender rubbed between your fingers, real apple pie in the oven, and apple-pie-scented candles — the diverse world of odor is yours for the smelling.