Google allows its user to turn off/on the safe search option, whixh allows safe internet surfing for the childern. Parents should enable this option to keep their kids safe from 'dark side' of the internet. By enabling or turning on this option, explicit text or images will not be included in the search results. Link to step-by-step procedure of enabling this option: http://www.howseeker.com/turn-on-off-safe-search-on-google/