They are the "population" and "gen. time" skills: Population get you more bikes, so you have a better chance that one makes it bettes, also if you train in a level that you know to complete, you will get a lot of lap bonuses. The "gen. time" reduces time between generations, so you will try more generations in the same time.
 "Idle Machine Learning"){kind=icon}
 "Zombidle"){kind=icon}
They are the "population" and "gen. time" skills: Population get you more bikes, so you have a better chance that one makes it bettes, also if you train in a level that you know to complete, you will get a lot of lap bonuses. The "gen. time" reduces time between generations, so you will try more generations in the same time.