Running out of Memory

Published: Sept. 7, 2008, 11 p.m.

Does our memory have a limited capacity? In this Question of the Week, we'll find out if learning something new pushes out old information and why your brain needs a regular workout. We'll also ask whether glow in the dark watches give off dangerous radiation and should be kept in lead-lined boxes! Like this podcast? Please help us by supporting the Naked Scientists