In 1977, a radio message was detected that some people think came from UFO's. Now, National Geographic is just doing what makes sense, putting our communication with the aliens in the hands of Twitter users. From now till August, any tweet you send with the hashtag #ChasingUFOs will be bundled into a giant message and hurled into outer space in hopes that intelligent life will pick it up. Twitter, of course, is known as humanity's stronghold of intelligent discourse and free thinking sentiment, so this is bound to go well ...