Stop asking stupid questions.

They aren't brain teasers. Here's a couple of examples:
"If Nothing sticks to teflon, how do they get teflon to stick to the pan?"
THEY SPRAY IT ON, IT'S LOW STICK CHARACTERISTICS HAPPEN AFTER IT HAS DRIED AND HARDENED. And things do stick to it, just not strongly in most cases.

Or

What if the [Color] you see isn't the same as the [color] I see, WHOA MAN?
1) it doesn't matter, we all agree it is the same thing, even in isolation we would do this.
2) Color doesn't change for different observers. Our feelings about it may, but the color is the same. This is true, with very minor variations, of the human eye and the way that it handles the perception.