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When Scientists Get into Your Hair 卷发直发随心所欲

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Scientists working for L’Oreal in Paris have discovered the source of straight and curly hair. The key, it turns out, is ___1___ the root of the hair, a few millimeters below the scalp. Hair roots that have straight bulbs produce straight hair; bulbs that are curly, or hooked, produce curly or wavy hair.

在巴黎莱雅工作的科学家已发现直发及卷发的成因了。结果证明，关键在于头皮下方几毫厘的发根处。有着直顺毛囊的发根会长出直发，而成卷曲或钩状的毛囊则会长出卷发或波浪发型。

The research ___2___ samples from the three basic types of human hair: Caucasian, Asian, and African. Hair was analyzed at the molecular level with the use of X-rays and the ___3___ could usher in a whole new world of biological hair products.

这项研究包含了三个基本人种的头发样本：白种人、亚洲人及非洲人。利用X光以分子为单位来分析头发，其结果可能会为生化美发产品开启一个全新的世界。

Any new product would be hormone ___4___ as it seems that hormones are able to influence hair type. Studies of AIDS patients, for example, have revealed that curly-haired people ___5___ hormonal drugs will actually find that their hair is becoming straight.

任何新产品都将使用荷尔蒙，因为荷尔蒙似乎能够影响发型。例如，针对艾滋病患进行的研究即显示，卷发的病患在服用荷尔蒙药物后真的会发现他们的头发变直了。

The L’Oreal news has predictably generated a lot of enthusiasm. Worldwide, billions of dollars are spent yearly on perms and straighteners – but these are known to make hairbrittle. Vast sums are also spent on hair dyes – but these are only temporary. Hormone shampoos and drugs, ___6___, promise a permanent solution. Eventually, getting a new hairstyle may involve a trip to the pharmacy rather than the hairdresser. But don’t throw out your curlers and dyes just ___7___. Scientists caution that they’ve only taken the first steps in this new field.

可想而知，莱雅这项新消息引起极大的回响。全世界每年花在烫发和直发剂的钱多达数十亿美元—但大家都知道这些东西只会使头发受损。同样也有巨额花费用在染发剂上—但染发也只是暂时的。然而，荷尔蒙洗发精和药品却能让你一劳永逸。到头来，想换个新发型可能只需上药房一趟，而不用找发型师。但先别急着将你的卷发器和染发剂丢掉。科学家们警告，在这个新领域哩，他们不过只刚踏出最初的几小步而已。

−By Amy Lovestrand

Vocabulary

hooked [hʊkt] adj. 钩状的，带钩的

molecular [məˋlɛkjəlɚ] adj. 分子的

hormone [ˋhɔrmon] n. 荷尔蒙

predictably [prɪˋdɪktəblɪ] adv. 可预见地

permanent [ˋpɝmənənt] adj. 永久的

caution [ˋkɔʃən] v. 警告，告诫

More Information

curly [ˋkɝlɪ] adj. 蜷曲的

scalp [skælp] n. 头皮

bulb [bʌlb] n. 球状物; 球茎

Caucasian [kɔˋkeʒən] adj. 白种人的

usherin: 领进; 引进  be a precursor of

perm [pɝm] v. & n. 烫（发）

straightener [ˋstretənɚ] n.直发剂

brittle [ˋbrɪt!] adj. 脆的，易碎的；易损坏的

pharmacy [ˋfɑrməsɪ] n. 药房

hairdresser [ˋhɛr͵drɛsɚ] n. 美发师

hair curler [ˋkɝlɚ] n. 卷发棒；卷发器

just yet: 恰好现在

Answer