I think that to a lot of people, the idea of life on other planets seems like either an inevitability, mere childish speculation or sheer lunacy. I will not try to convince skeptics otherwise. That being said... Anyone whose watched the movie Contact or The Arrival should have a decent idea of where the origin of this speculation begins... at a radio telescope. In Feb. 2003, scientists at the Arecibo, Puerto Rico Radio Telescope found a signal from a source 1000 light-years away... ...