But should gals just throw up their arms, curse their parents and refuse to make sense of nuclear physics ? Nope. You've got to go out and shake what your momma gave you. These areas may just lay the groundwork for intelligence down the line or indicate the potential for genius if a person works hard. Albert Einstein may be a perfect example that it may not be overall size that matters, but size of certain sections beyond just the frontal lobe. Einstein , for example, had a perfectly normal-size brain, but certain parts of it were larger than normal, including the inferior parietal region, which affects mathematical thought [source: Wanjek ].