It’s funny that even bad smells can tug nostalgic strings: the compost bin; chicken manure distilled in its most pungent commercial form as Dynamic Lifter; the slight sorrow and regret as you drive along a country road and realise, from the sharp distinctive pong, that there is a dead kangaroo nearby, and its smell has penetrated your sealed, air-conditioned car. That same smell probably attracts hungry animals who don’t mind their meat well done. Then you can’t help speculating how close the classic jugged hare might be to that kind of rot. You remember stories about how strong spices have…