A PriorityQueue is a list that always keeps its items sorted based on some rule, like smallest to largest. So, when you take an item out, you always get the one with the highest (or lowest) priority.

The ability of animals to understand numbers might surprise more than one observer. From insects to mammals, this aptitude turns out to be far more widespread than one might imagine. Research ...

"Most fitness jargon can be explained in very simple terms," assures Aoife Okonedo Martin, personal trainer at Ultimate Performance. "You don’t need a degree in biomechanics to understand how to use ...