遗传基因突变

Gene Therapy for Rare Form of Blindness Approved in US American health officials recently approved the first gene therapy treatment for an inherited disease the type that can pass from parent to child. 美国卫生官员最近批准了第一种治疗遗

发表于:2018-11-27 / 阅读(924) / 评论(0) 分类 2017年VOA慢速英语(十二)月

This is the VOA Special English Health Report. The next time you think about going without sleep, consider this: Laboratory animals that are kept awake for long periods of time ... die. Yet sleep scientist Ying-Hui Fu at the University of California

发表于:2018-12-15 / 阅读(100) / 评论(0) 分类 VOA慢速英语2009年(八)月

Mummies Contain Clues to Colon Cancer 木乃伊包含了结肠癌的线索 From VOA Learning English, this is the Health and Lifestyle report. Colon cancer is linked with obesity, lack of exercise, and a poor diet high in processed foods. However, sc

发表于:2018-12-16 / 阅读(94) / 评论(0) 分类 2016年VOA慢速英语(三)月

Gene Therapy Halts Vision Loss in Dogs Researchers have stopped vision decline in dogs with an inherited disease that causes blindness. The gene therapy technique they used may someday stop vision loss in humans. Retinitis pigmentosa (RP) is an eye d

发表于:2018-12-16 / 阅读(117) / 评论(0) 分类 VOA标准英语2012年(二月)

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(124) / 评论(0) 分类 TED演讲国际问题篇

Sickle cell disease is a blood disorder due to a single genetic mutation. It remains in populations because the mutation has a flip sideit helps to protect against malaria. Now another mutation has been shown to afford similar protection. Deficiency

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 Scientific American(十二)月

人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(114) / 评论(0) 分类 英语听力广播—Listening

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec

发表于:2019-01-08 / 阅读(154) / 评论(0) 分类 Scientific American(二)月

The Justice Department has unsealed terrorism charges against the man who has been linked to a Somali terrorist group called Al-shabaab. Authorities say he had bomb-making instructions in his possession when he was arrested. NPRs Dina Temple-Raston r

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 2010年NPR美国国家公共电台3月

Do-It-Yourself Genetic Tests Raises Questions for Consumers “自己动手”基因测试引起消费者疑问 Alison (not her real name), is 32 years old and a magazine editor. She has a baby and is

发表于:2019-01-09 / 阅读(158) / 评论(0) 分类 VOA2005(上)--环境科学探索

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(177) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO

发表于:2019-01-11 / 阅读(119) / 评论(0) 分类 VOA慢速英语2008年(五)月

Genetic Test Pinpoints Cause of Patient Illness About a decade ago, scientists decoded the human genome, creating a gene-by-gene map of our DNA. In the decade since, genetic research has accelerated, but mostly it's stayed in the laboratory. Now, gen

发表于:2019-01-14 / 阅读(140) / 评论(0) 分类 VOA标准英语2011年(六月)

Science and Technology The science of stuttering Speech therapy 科技 口吃科学 演讲疗法 Unravelling the mystery of faltering speech 解秘演讲时的口吃 DOWN the ages stuttering has been blamed on many things. 多年来,口吃可以归咎

发表于:2019-01-26 / 阅读(165) / 评论(0) 分类 经济学人科技系列

Gene for Disease Has Healthy Flip Side A study in the journal Science finds that the gene for anemia-causing G6PD deficiency also protects against malaria, thereby keeping the gene active in populations. Cynthia Graber reports Sickle cell disease is

发表于:2019-01-30 / 阅读(238) / 评论(0) 分类 60秒科学

Science and technology 科学技术 Cancer genetics 癌症遗传学 Gene therapy 基因疗法 Genetic mutations predict which cancers will respond to treatment 基因突变将预测某种治疗会对哪些癌症起作用 THE International Cancer Geno

发表于:2019-02-04 / 阅读(150) / 评论(0) 分类 经济学人科技系列

BEIJING, August 1 (Xinhuanet) -- U.S. researchers have discovered a genetic mutation unique to African Americans that links to heighten their asthma risk, according to reports published on Sunday in the journal Nature Genetics. Researchers of Univers

发表于:2019-02-06 / 阅读(158) / 评论(0) 分类 英语新闻

From VOA Learning English, this is the Health Lifestyle report. Most healthy children between the ages of four and 10 grow about five centimeters a year. Parents often notice this growth by how quickly their children grow out of their clothes and sho

发表于:2019-02-09 / 阅读(104) / 评论(0) 分类 2019年VOA慢速英语(一)月

SCOTT SIMON, HOST: Some people in life can see whole worlds in small things. Hugh Rienhoff can see it in a molecule called transforming growth factor-beta 3. In 2003, his daughter, Beatrice, was born with a few noticeable abnormalities. Her eyes were

发表于:2019-02-16 / 阅读(203) / 评论(0) 分类 英语语言学习
学英语单词
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