The understanding of evolutionary processes has scientists in the field of artificial selection. the best example of artificial selection is

Breeding horses. People want prized racehorses to mate with their females so they can maybe have fast prize winning horses as well. People also use artificial selection in choosing fast horses to make fast colts that can later on race. So they want the best qualities in the colts so they mate the best horses.

Hope this helps :)

Streaks on the face of wave rock