The fact that that's the difference between Mexicans and Cubans is pronounced. It's so immediately recognizable, the way a Cuban speaks, the way a Cuban moves the hands.
“I am especially grateful, however, to have known the fifties, before we began to poison our own civilization - or at least before the effects of the poison began to be felt.”
“Because all of biology is connected, one can often make a breakthrough with an organism that exaggerates a particular phenomenon, and later explore the generality.”