According to the study by Spains University of Granada, people who talk out loud to think through their maths problems are able to solve them faster and have more chance of getting the right answer.
A 50-year-old Spanish extreme athlete has emerged from spending 500 days living 70-metres deep in a cave outside Granada with no contact with the outside world.
Here are Aseem Chhabra's picks -- 'films that mattered to me, entertained me and will stay with me through the year.'
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