Cancer cells come pre-programmed to execute a well-defined cascade of changes, seemingly designed to facilitate both their enhanced survival and their dissemination through the bloodstream. There is even an air of conspiracy in the way that tumours use chemical signals to create cancer-friendly niches in remote organs.
What they smell isn't the emotion of fear. What dogs can smell is the changes in a person's skin that suggest fear to the dog, anxiety, the way your skin sweats, the amount of uric acid that suddenly pours out of your pores.
Before sight and sound hijacked our attention, we shared with all life a sort of common sense, a chemical sense that depended on direct contact with matter in the water or the air.
As far as I'm concerned, attraction, in its most rudimentary form, comes from the way a person naturally smells. I'd say that within the first five seconds of 'inhaling' someone, I know if there's an attraction or not. This may sound animalistic - and it is.
The ant world is a tumult, a noisy world of pheromones being passed back and forth.
Pheromones are Earth's primordial idiom.
Why does the lizard stick his tongue out? The lizard sticks its tongue out because that's the way its listening and looking and tasting its environment. It's its means of appreciating what's in front of it.
Elephants are very sensitive to smell and they tend to recognise us by our body odour.
Women apparently are quite drawn to men who have differences rather than similarities in their histocompatibility system. They pick it up by smell, and they can pick it up from kissing.
Odor carries a great deal of information, including information about a potential mate's age, sex, fertility, identity, emotions, and health.
