A Melbourne scientist has used some unexpected spare time to study the misuse of the word "however".
The study was recently published in Cambridge University's journal English Today.
Its author, University of Melbourne researcher Dr Andrew Hamilton, is an ecologist but also has an interest in linguistics.
He found time for the study while in hospital for an operation.
With the help of specialised software he tracked the word's misuse over 108 years, analysing the use of the word in books, newspapers and websites.