Sentence:  We live our lives in three dimensions for our threescore and ten allotted years. Yet every branch of contemporary science, from statistics to <WSD>cosmology</WSD>, alludes to processes that operate on scales outside of human experience: the millisecond and the nanometer, the eon and the light-year. 
Meaning of the word marked with <WSD> tags:  The study of the physical universe, its structure, dynamics, origin and evolution, and fate.