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This is Scientific Americans' 60-second Science. I'm Karen Hopkins.

Casanova. The name is synonymous with a reputation for romantic, well, let's say, excess.

But a new study suggests that the real Giacomo Casanova may have exaggerated his sexual exploits,

not in terms of their sheer volume, but in their infectious

aftermath, because though Casanova claimed to have suffered several bouts of gonorrhea,

researchers could find no traces of the responsible microbe on the pages of the womanizer's

handwritten memoir. The findings will appear in the journal Electrophoresis.

Cassanova's memoir, completed in 1798, fills 12 volumes, and its English translation runs to

3,500 pages. In this tell-all, Casanova tallies some 122 lovers, and confesses to recurring gonorrheal

relapses. To investigate these claims,

researchers turned to a technique they'd previously used to positively identify the bacterium

that causes plague on the pages of death registries from 17th century Milan.

Thus, we thought we would be able to detect the gonococcus on Casanova's pages, since the candidate admitted

in his memoirs, having been infected by gonorrhea in his first sex intercourse at the age of 18,

and having suffered from relapses of the sex pathology around his lifetime as a gallant lover.

Pierre Giorgio Riggetti, Professor Emeritus at Milan Polytechnic.

Rigetti and his colleague, Glebrenzl, who heads a company called Spectrophon in Israel,

...