With two master’s degrees, a Ph.D., and a fellowship in analytical chemistry under his belt, Jacek A. Koziel has an impressive academic pedigree.
A lot of good it did him.
“My daily job is to sniff swine manure,” he says. “Or livestock manure in general.”
Mr. Koziel, an assistant professor of agricultural and biosystems engineering at Iowa State University, studies things that smell bad — really bad. His lab chemicals must be stored in multiple containers, each within the other, to keep the foul odors lurking within. He describes sniffing his newest pungent obsession, a methoxypyrazine.
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