Lex, you are such a dreamer: Mars frightens me. I see human future on Mars similar to "Total Recall". If we want to experience and enjoy space, we'll have to shed our human body first. But with that we'll sacrifice our independent mind, human emotions, and our free will. Not an option for me. Love Brian Greene, so thank you for bringing him in.    <br>- Greetings from a fellow Slav!