odorants

In the Northeast, honeysuckle – perhaps the sweetest smelling flower around – is blooming. It's not just sweet it’s also easily identified. What chemicals make honeysuckle smell so good? You may be surprised.
Mercaptans (aka, thiols) are some of the vilest smelling chemicals in the galaxy. Yet, they save many lives? If you want to know why you'll have to get through this stinky article.