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Prince Henry aims to design vessels that could
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听力原文： The modern sailing ship was developed by a man who never went to sea. He was Prince Henry of Portugal, the younger son of the Portuguese King and an English princess. Prince Henry lived in the fifteenth century. As a boy he became devoted to the sea, and [18] he dedicated himself to improving the design of ships and the methods of sailing them. In 1416, when he was twenty-two, Henry founded a school for mariners, to which he invited everyone who could help him—Jewish astronomers, Italian and Spanish sailors, and Arab mathematicians and map makers who knew how to use the crude compass of the day and could improve it. [19] Henry's goal was to design and equip vessels that would be capable of making long ocean voyages without having to keep close to the shore. The caravel, which he helped design, carried more sails and was longer and slimmer than any ship then made, yet was tough enough to stand up against gales at sea. He also developed the carrack, which was a slower ship, but one that was capable of carrying more cargo. [20] The world owes credit to Prince Henry for the development of the craft that made oceanic exploration possible. He lives in history as Henry the Navigator.
Prince Henry started his school to
听力原文： Two tragedies at coal mines on opposite sides of the world remind us all how dangerous some jobs Can De.
In China last week, floodwaters from a river trapped one hundred and eighty-one miners in two mines. An official in Shandong province said Thursday that there was no hope of finding them alive.
The Crandall Canyon mine in the American state of Utah collapsed on August sixth, trapping six miners. Last week, another collapse at the mine killed three rescuers and injured six others.
Coal mining deaths have been decreasing in the United States. But last year there were forty-seven, more than double the number the year before. Twelve of the deaths resulted from an explosion at the Sago mine in West Virginia.
The Labor Department has a newly published report on work-related deaths last year in the United States. (28)The construction industry had the largest number. But the single deadliest job in the United States is commercial fisherman.
What does it mean by mentioning "opposite sides of the world" ？
According to this news, how many people died last year in the coal mining accident in the
听力原文： (25) The world's largest drug company is embroiled in a global controversy over whether it tested an unapproved drug on sick children in Nigeria without their full understanding. The case involving Pfizer raises questions about how to protect human subjects as American companies conduct more and more drug trials around the world. VOA's Leta Hong Fincher has this report.
In 1996, a meningitis epidemic hit the Nigerian state of Kano. Researchers from the American company, Pfizer, treated 100 Nigerian children with the experimental drug, Trovan. The Nigerian government and the Kano state government are suing Pfizer over the drug trial. (26) They say it caused the deaths of 11 children and seriously disabled others.
Why is the world's largest drug company embroiled in a global controversy？
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