We have thousands of words that mean 'I approve' and thousands more that mean 'I disapprove'. Michael Rosen sets out to discover why we need so many.
Producer: Peter Everett.
See all episodes from Word of Mouth
Michael Rosen puts the language of science under the microscope.
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Series of programmes examining key phrases in public debate.
Some facts about emoji - possibly the world's first truly global form of communication.
Have a look at some of the fantastic words that children invent and reimagine.
Series exploring the world of words and the ways in which we use them