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A few of the most prominent of these in A. titanum are oligosulfides like dimethyl disulfide and dimethyl trisulfide.

A study published this month in the journal Science explored the exact genetic mechanisms of Asarum flowers to figure out how they pull this off, exploring the ways some plants in the genus produce dimethyl disulfide, that corpse-smell compound.

Dimethyl sulfide, also known as DMS, sounds like it could be a chemical compound you'd try to avoid on an ingredient label, or the poisonous ingredient in a murder mystery.

Dimethyl sulfide is the largest natural source of atmospheric sulfur on Earth, which means that it gets into the atmosphere and cycles around.

Dimethyl sulfide, however, gets around.