Panspermia. Look it up.  It sounds more like science fiction than science fact, but imagine the implications.  It is the idea that life is everywhere, and is seeded throughout the universe by comets, asteroids, meteors, rogue planets, and even spacecraft, by way of unintended contamination of microbes.  It could also explain why there is life on Earth. Because we still know so little about the Universe around us, panspermia is considered a plausible scenario.  To test parts of this theory, a team from the University of Zurich’s Institute of Anatomy used small pipettes to actually place double stranded DNA on the outside of...