What did researchers at Harvard find in the study? [originaltext]In this section

In this section, you will hear five short news items. After each item, which will be read only once, there will be a twenty-second pause. " During the pause, read the question and the four choices marked A, B, C and D, and decide which is the best answer. Then mark the corresponding letter on the answer sheet with a single line through the centre.
16. An estimated 80 percent of American adults think music lessons improve children’s ability to learn or their performance in school. They say that the satisfaction for learning to play a new song helps a child express creatively. Researchers at Harvard University, however, have found that there’s one thing musical training does not do. They say it does not make children more intelligent.
17. This week marks the first anniversary of a major exploration effort on Mars. It has been 12 months since the exploration device called " Curiosity" landed on the distant planet. The United States space agency, NASA, says Curiosity has driven more than 1. 6 kilometres on Mars. The device, called a " rover" , is about the size of a car. Curiosity has found evidence of an ancient riverbed and other signs of wet conditions.
18. A commercial building has collapsed in a suburb of the Brazilian city of Sao Paulo, killing several people and injuring many more, officials say. Rescue workers have been searching for survivors in the rubble. A fire service spokesman said 11 had been pulled out alive. They were believed to be among at least 22 people injured when the building fell down on Tuesday morning.
19. Sugar is the "new tobacco" and companies need to cut the amount they add to food by 30 percent to help to stem the obesity epidemic, a new campaigning group of doctors says. Action on Sugar, which is launched today, says that better labelling and more action by the food industry is urgently needed to reduce our consumption of sugar. Sugar added to food has little nutritional value , does not make people feel full and is dangerous beyond merely the number of calories it contains.
20. The number and range of sports scholarships have expanded as rapidly as courses in the subject, but the two are usually not connected. Sports scholarships are for elite performers, regardless of what they are studying, imported from the United States, they now exist in an array of sports. At the University of Birmingham, for example, there are specialist golf awards and a scholarship for triathletes, as well as others open to any sport.