Dave Sim said in his latest thing of his, 'when you're on the right track, you'll know it, but until you get there, you have to believe you're on the right track'. Interesting little conundrum. It's not easy.
Science is analytical, descriptive, informative. Man does not live by bread alone, but by science he attempts to do so. Hence the deadliness of all that is purely scientific.
Even in 2012, if there's a black character in the movies or on television that's a professional, if we even hear about their backgrounds they're always 'up from the streets.'

