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Smiling 'helps children in the classroom'

26 September 2013 Last updated at 18:08 BST

At Reykjavik University, a lot of important learning goes on. The Icelandic education system is often lauded as the best in the world. But it is not just traditional teaching methods that are used in the country.

Spencer Kelly discovers how children with ADHD or other difficulties can learn to code, teach their peers and learn, importantly, to smile.

Angry Birds game fires into the classroom

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.

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