id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
brainmatters-812	Gainski, Julia	Unraveling Human Intelligence	2022	4	.pdf	application/pdf	3352	157	44	Fluid intelligence demonstrates the ability to solve problems through abstract thinking and reasoning. Accordingly, crystallized intelligence reaches its apex typically between the age range of 60 to 70 years old while fluid intelligence has the potential to reach its climax around the age of 20 years old and consequently begin to level off following this age (Trafton 2015).	cache/brainmatters-812.pdf	txt/brainmatters-812.txt