Does human intelligence have limits?

in·tel·li·gence the ability to learn or understand or to deal with new or trying situations :REASON; also : the skilled use of reason (2) : the ability to apply knowledge to manipulate one's environment or to think abstractly as measured by objective criteria (as tests)

... at least according to Merrian-Webster Dictionary. What this definitions fails to tell us is, whether intelligence is a noun or a verb. Can a smart person not use his/her intelligence and become the village idiot. Or, can a below-average student solve the next big problem in Physics and join the club with Einstein. Is intelligence a noun or a verb?

Is intelligence transferable? Could Newton write a play or Sheakespear invent Calculus? Do intelligent people excel in all aspects of life, or just in those premitted by the intelligence they possess.

Does human intelligence have limits? Intelligence maybe one of the least understood human attributes with many unanswered questions surrounding it. The one question of intrest is, does intelligence have limits? There is good reason for investing time and effort in seeking the answer to this question as it may bring light to many other issues. For example, do humans possess enough intelligence to live together in peace? Can humans end world hunger? Will humans bring an end do disesase? Solve global warming?

Are we smarter than this, or has the limit been reached?