【科学60秒】在书香中追觅文化_英语听力练习mp3下载-科学-沪江听力酷

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【科学60秒】在书香中追觅文化

听力简介：

They call it culturomics: the obvious play on the word “genomics” looks at trends in human thought and culture. But scientists say culturomics has been ____1____ by a lack of quantitative data. So researchers at Harvard, along with Google, Encyclopedia Britannica, and the American Heritage Dictionary, have come up with a new tool.
It’s a database of 5.2 million books, published since the year 1500. That’s four percent of all the books ever published, with a total of 500 billion words. The focus is on English language culture, so ____2____ of the books are in English.
Among the first findings of the research, published in the journal Science: about, 8500 new words enter the English language ____3____. But many of them don’t end up in dictionaries. And about ____4____—actors become famous around age 30, writers around 40, and politicians around 50. But the fame of politicians can eventually exceed that of actors.
A Google tool called the Books Ngram Viewer is ____5____ based on this data—users can track the usage and frequency of a word or phrase over the past few centuries. Thus, we can watch the fall and rise of Melville. And soon the rise and fall of Snooki.
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