You’ve had your head in the clouds if you’ve missed the de-scents-itizing hype of companies selling ozone-generating products. Ozone, they claim, contains an extra oxygen molecule that attaches itself to other molecules—say, b.o. molecules—and changes their structure. I’m eager to examine any deer hunting trend and, if necessary, flip it on its head. So I enlisted Chance, a highly trained police dog, to test ozone’s effectiveness. I’ve watched Chance’s nose zip through every sort of no-scent solution and was fully prepared for an ozone rout. But that’s not exactly what I got.