1 | All of this drives advocates of irradiation crazy. | |
2 | Researchers in London say the technique could be used to sterilize wounds. | |
3 | Some water is treated with chlorine to kill bacteria, but the taste turns people off. | |
4 | Medical experts consider pasteurization as one of the major breakthroughs in public health history. | |
5 | On its way out of the garden, the water is further sterilized by ultraviolet light in the pipes. |