There’s no short cut, you have to do hard puzzles and test your brains abilities again and again for it to expand – puzzles are known for utilising your cognitive skills but are also said to improve focus and the ability to learnThere’s no short cut, you have to do hard puzzles and test your brains abilities again and again for it to expand – puzzles are known for utilising your cognitive skills but are also said to improve focus and the ability to learn