A tip for the Cellar:

…when Hendrick Schifferstein from Delft University of Technology and colleagues pumped the smell of orange, seawater or peppermint into a club, the revellers partied harder – they danced more, rated their night as more enjoyable, and even thought the music was better.

And at once surprising and not:

Yaara Yeshun and team at the Weizmann Institute found that the imperceptible smell of women’s tears decreases sexual arousal in men.