Here's a gem of a study. Scientists decided to see if whale vomit, perhaps better known under its far more exotic and marketable name ambergris, lived up to its reputation as an aphrodisiac. They unleashed its main component on some rats, and made my day.
Rove beetles have come up with a truly novel way to ensure monogamy. After a male has mated with a female, he injects her with a chemical that makes her smell so bad that all other prospective suitors stay away.
For most of us, the scent of decomposing organic matter is the last thing on our minds when we're...in the mood. But now scientists have shown that, at least for fruit flies, the smell of ripe and rotting fruit is the ultimate turn-on.