The phage could save our future in health. A bacteriophage looks like the ultimate out-of-this-world structure, with a geometric head, attached to a tube, and ending in tail fibers that are essentially its landing gear. Watching a bacteriophage attach itself to its host bacteria is eerily reminiscent of a spaceship landing on a planet. The bacteriophage then pierces the surface of the cell, injects its genetic material into it, and proceeds to take over. While this might look like something out of a science fiction movie, the humble phage exists anywhere there are bacteria. This includes the gut, where researchers…