Jacek Koziel is a master of odours. On a pig farm in Iowa, he shows Erik Vance some of the peaks and troughs of life as a human detector.
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Erik Vance is a freelance science writer in Berkeley, California.
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Vance, E. Profile: What is that smell?. Nature 455, 726–728 (2008). https://doi.org/10.1038/455726a
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DOI: https://doi.org/10.1038/455726a
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