I was reading about taste receptors in testicles - YES! (link) - don't ask! Google throws up some random results sometimes which I can't resist.
ANyyyyywhooo
Saw this 'related' hmm - again don't ask - article on how the smell of chocolate in a book shop makes people browse longer and buy more.
I can get behind that! Chocolate and books!
http://www.dailymail.co.uk/news/article-2371566/Sweet-smell-success-How-smell-chocolate-help-reverse-decline-number-people-buying-books-shop.html