the nose knows

the nose knows

An odor has made something obvious. Oh, the nose knows—somebody was definitely smoking in my house! It's time to give the dog a bath. Trust me, the nose knows.
See also: know, nose
References in periodicals archive ?
Smell tests have been widely touted as a diagnostic tool for Alzheimer's disease (AD), under the theory that the nose knows more about the earliest signs of AD than any other bodily system.
With all the science available, when it comes to indoor pools and chloramines, the Nose Knows Best
The nose knows when the system is out of whack by the telltale sulfide odors; this is present during crush, bottling and tank cleaning operations.
John Stewart said that as long as the nose knows what it is looking for, then it should be able to sniff it out.