Have you ever wondered what gives coffee its distinctive odor? How about those chemicals in coffee that aren't caffeine -- what are they, and what do they do? In this super-short video from Wired, we get a breakdown of what's in a typical cup of coffee...and why good things sometimes come in small doses.

If you like your data in old-fashioned "written" form, check out this Wired page, which conveys roughly the same info. For instance: