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Photo: Alexandra Munoz, 5, who lost her hair due to chemotherapy for a brain tumor, plays with her new natural hair wig after it was fitted to her for the first time in the cancer ward of the Luis Calvo Mackenna Hospital in Santiago, Chile, in October. The wigs, handmade by Avatte and his team, have helped children regain their self-esteem and confidence during cancer treatment.

Bilingual news: Schools are being urged to go back to the "chalk and talk" teaching that was once widespread in Britain in order to reproduce the success the traditional methods now have in China. Education Minister Nick Gibb said having a teacher speak to the class as a whole from the front was much more effective than children working on their own - the method which has become dominant in schools over the past 40 years. Researchers have found that Chinese children's math scores are up to 30 percent higher than British students'.

Buzzword: FriendTM refers to the situation when a friend low on cash (the paper kind) pays the group's bill on his/her debit card in order to get the cash from friends - therefore avoiding both the ATM surcharge and the inconvenience of finding one.