A lapse in memory is a common thing, but why does it happen? BBC Bitesize explores how our memories work and why we forget things. If you’ve ever spent days revising for an exam only to forget ...

It wasn’t forgettable but you’ve somehow managed to forget in the split second it took for you to walk into the next room. It’s gone. It’s done. You’ll have to remember again later. Now, repeat for ...

It wasn’t forgettable but you’ve somehow managed to forget in the split second it ... You will be relieved to hear that this is a real thing and it is actually very aptly named ‘The Doorway ...