It seems humans - or at least college students - can follow a scent trail.
By studying blindfolded college students who crawled through grass to sniff out a chocolate-scented trail, scientists found evidence of a human smelling ability that experts thought was impossible. [More]Meanwhile we can't smell ourselves, since our brains respond to changes in stimuli - not constants. (Thank goodness!)
In fact, there are a lot of smell myths. But my favorite "olfact" is this one:
And symmetrical men smell better.
Borrowing sweaty undershirts from a variety of men, Thornhill offered the shirts to the noses of women, asking for their impressions of the scents. Hands down, the women found the scent of a symmetrical man to be more attractive and desirable, especially if the woman was menstruating. [More]
I'm not smelly, I'm lopsided.
What a relief