Can Your Brain Fill Up With Too Much Stuff?

“Each day you accumulate fresh memories—kissing new people, acquiring different phone numbers and (possibly) competing in pi-memorizing championships (we would root for you). With all those new adventures stacking up, you might start worrying that your brain is growing full. But, wait—is that how it works? Can your brain run out of space, like a hard drive? It depends on what kind of memory you’re talking about.”