Most people know about the strange smell that asparagus gives off after it has been, ahem, processed by some humans. Yet other humans aren’t able to smell the odor at all. That makes asparagus an unusual marker for the intricacies of genetic variation.
New Year's Eve is fast approaching — will you be drinking? If so, you may want to pick up some asparagus while you're laying in champagne, liquor and other supplies for your tipple-lipped festivities; studies show the stalky vegetable may actually help treat hangovers.
No question is too small for science, and there is a body of research devoted to determining the whos and hows of the asparagus smell of human urine. Here's a snapshot of said research.