Have you ever run into a work colleague at the supermarket and failed to recognise them? Blame your brilliant, lazy brain.
A study out of Bond University in Queensland sheds light on the way our brain captures memories - in particular when a person or object is encountered in a place you wouldn't expect.
The study's lead is assistant professor Oliver Baumann, and he told Māni Dunlop that forgetfulness is actually a sign of an efficient brain.