Minders are newbloods who are gifted with perfect memory and recall. As a result, these individuals are extremely intelligent.
"Minders are gifted with what can be considered perfect intelligence, but is more likely to be perfect memory and recall. A skilled minder could, for example, read a manual on flight and be instantly able to pilot an air-jet." -Victoria Aveyard "War Storm" "On Silverblooded Abilities"