Can you roll up the edges of your tongue so that the tongue forms a sort of tube? If you can, you are a subject of interest to Researcher Alfred Henry Sturtevant of California Institute of ...

Play it a second time and have a go at singing along. Have a go at creating your own tongue twister. They don't have to be very long, but should have a pattern of sounds that are tricky to say as ...

Janine: But too much alliteration can be hard to say without tripping over. Like a tongue-twister. Jeff: Fast feet fumble frantic finishes. Fast feet fluff flashy finales. Sounds are all around us.