There are countless metaphors for memory. It’s a leaky bucket, a steel trap, a file cabinet, words written in sand. But one of the most evocative — and neuroscientifically descriptive — invokes Lego ...

There's a RAM shortage at the moment. RAM, as in random access memory. The memory computer keeps immediately at hand, so it can perform tasks quickly. How can that be? Well, as with so much these days ...