The Beatles' song Across the Universe will be the first ever to be beamed directly into space next week, Nasa said.Former Beatle Sir Paul McCartney said it was an "amazing" achievement and John Lennon's widow Yoko Ono called it the "beginning of a new age".The transmission of the song over the space agency's Deep Space Network on Monday will mark the 40th anniversary of the day the band recorded the song.The song will be aimed at the North Star, Polaris, 431 light years away from Earth, and it will...