Have you ever noticed how food tastes bland when you have a blocked nose? That’s because taste and smell are deeply interconnected. Our tongue may detect the basic tastes, sweet, salty, sour, bitter, ...

Steven Munger loves the sour smell of a butane lighter. The hydrocarbon, butane, is colorless and odorless, but sulfurous additives give it a stench that’s almost objectively foul. Almost. To Munger, ...