4 visitors will reach planet by 2023, according to Mars One's plan
                                
                                
                                    (Newser) -
                                    Combine a Dutch Nobelist, the co-creator of Big Brother, and a Mars-obsessed company, and what do you get? A reality show that follows the creation of the first human colony on Mars, of course.  Mars One , as the company is called, plans to send four people to the planet by...