Clock

Watch and Clock Repairer Career

Watch and clock repairers clean, adjust, repair, and regulate watches, clocks, chronometers, electronic timepieces, and related instruments. Watch and clock repairers work in department and jewelry stores, at home, or in repair shops. Currently there are approximately 3,080 watch and clock repairers in the United States. Keeping track of time has always been important to

Biological Clock

Life on earth has evolved with the ability to cope with cyclical changes in the environment. The length of these environmental cycles is determined by our planet’s rotational period (day-night cycle) as well as the period of its revolution around the sun (e.g., seasonal cycles). The survival of an organism depends on its ability to