The scented business suit, demonstrated for chemists

Yesterday, at the American Chemical Society’s meeting in Denver, I demonstrated the Ig Nobel Prize-winning (prize in environmental protection, 1999) self-perfuming business suit. Chemical & Engineering News filmed this moment of fashion history:

I also showed a bottle of DNA Cologne. It comes in a triple-helix-shaped bottle, and the packaging says “Product does not contain deoxyribonucleic acid”. Bijan Pakzad (who, sadly, died earlier this year) was awarded the 1995 Ig Nobel chemistry prize for inventing this.

Today, in the Denver airport, the presence of an empty bottle of DNA cologne in my luggage led the security people to investigate it. They declared the substance to be harmless.

Today, at the Denver a