Odor carries a great deal of information, including information about a potential mate's age, sex, fertility, identity, emotions, and health.

You´re not perceiving what's out there. You're perceiving whatever your brain tells you.

If our brains were simple enough to be understood, we wouldn't be smart enough to understand them.

It is more parsimonious to assume that the sun goes around the Earth, that atoms at the smallest scale operate in accordance with the same rules that objects at larger scales follow, and that we perceive what is really out there. All of these positions were long defended by argument from parsimony, and they were all wrong.

I know one lab that studies nicotine receptors and all the scientists are smokers, and another lab that studies impulse control and they're all overweight.

Humans have discovered that they cannot stop Death, but at least they can spit in his drink.

None of the individual metal hunks of an airplane have the property of flight, but when they are attached together in the right way, the result takes to the air. A thin metal bar won't do you much good if you're trying to control a jaguar, but several of them in parallel have the property of containment. The concept of emergent properties means that something new can be introduced that is not inherent in any of the parts.