> So its likely about how that smells

I thought the theory was that they follow the CO2 we exhale.

Yes thats the one, what word would you like to use for that sensory molecule detection

There is still some difference in who they choose to follow or act upon so I’m grasping for where that difference is. Could be something alongside the CO2

Humans exhale all kinds of stuff aside from just CO2, including moisture and other metabolic byproducts depending on what you’re eating. Probably some bacterial metabolic products from our mouths too.

I guess I’m less into the semantic difference between “smell” and “detect” and more whether it’s the CO2 they’re following or something else we exhale regularly.

Yeah I’m curious too, I think thats the right direction to research