'We've detected mysterious radio wave flashes arriving from far outside the galaxy that seem to follow a mathematical pattern. Is it pulsars? A spy satellite? Or an alien message?  http://ow.ly/L2rnl'

BURSTS of radio waves flashing across the sky seem to follow a mathematical pattern. If the pattern is real, either some strange celestial physics is going on, or the bursts are artificial, produced by human – or alien – technology.

http://www.newscientist.com/article/mg22630153.600-is-this-et-mystery-of-strange-radio-bursts-from-space.html