Researchers are using DNA evidence to fight the illegal trade in ivory. They have shown how genetic testing is able to link seizures of valuable elephant tusks to ivory traffickers. In a report, the researchers says targeting ivory smugglers could ha

发表于:2018-12-08 / 阅读(56) / 评论(0) 分类 2018年VOA慢速英语(九)月

This is a photo of Willie P. Williams, he was arrested back in 1985 for rape, kidnapping and aggravated sodomy. DNA testing has proven that Mr Williams is innocent of the crime he was convicted of. When he's been gone for so many years and all of a c

发表于:2018-12-11 / 阅读(105) / 评论(0) 分类 万花筒2007年

ARI SHAPIRO, HOST: Women from around the world have started going to a clinic in Ukraine hoping to get pregnant. The clinic is doing something that no one else in the world will do for them - make babies using DNA from three different people. Earlier

发表于:2018-12-18 / 阅读(72) / 评论(0) 分类 2018年NPR美国国家公共电台6月

Pre-Listening Vocabulary cell: a single functional unit of an organism reproduce: to make another living thing paternity: the state of being ones natural parent (esp. father) forensic: scientific evidence related to a criminal investigation Humans Sh

发表于:2018-12-28 / 阅读(53) / 评论(0) 分类 趣谈英语

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 阅读空间

DNA Tests Prove Worms in Sardine Cans are Kosher Let's say one day you're opening up a can of sardines and you come across a worm. It is not as unusual as you might think. Unfortunately, recently, it hasn't been unusual at all, noted Rabbi Chaim Loik

发表于:2019-01-13 / 阅读(69) / 评论(0) 分类 VOA标准英语2012年(三月)

DNA Test Finds Elephant Poaching Hotspots DNA测试发现大象偷猎的热点地区 Theres a new weapon in the fight to stop elephant poaching: genetics. DNA testing, which is frequently used to solve crimes, has pinpointed where most of Africas ele

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2015年(六月)

GUY RAZ, HOST: So if Moshe Szyf is right, that positive experiences can rewrite DNA and improve health, what about negative experiences? Well, about 10 years ago, a pediatrician named Nadine Burke Harris was asking herself that very same question. NA

发表于:2019-01-16 / 阅读(54) / 评论(0) 分类 2017年NPR美国国家公共电台8月

DAVID GREENE, HOST: So biologists have invented a new way to track wild animals. They pick up on traces of their DNA. It's kind of like wildlife CSI. NPR's Rae Ellen Bichell tells us that this is helping some states track down a destructive invader.

发表于:2019-01-16 / 阅读(94) / 评论(0) 分类 2017年NPR美国国家公共电台2月

Scientists build DNA from scratch to alter life's blueprint Yeast is a tiny ingredient of everyday life. A baker carefully adds yeast to his dough before kneading and shaping it into the perfect sized loaf. Without the yeast, the bread wouldn't rise

发表于:2019-01-19 / 阅读(104) / 评论(0) 分类 2017CRI中国国际广播电台

Ancient Human DNA Found in Cave DirtDNA新途径 Fossilized skulls and skeletons found in European caves gave us our first glimpse of our ancient cousins, the Neandertals. And a finger bone, found in a Siberian cave, first indicated the existence of

发表于:2019-01-20 / 阅读(69) / 评论(0) 分类 2017年科学美国人(五)月

My guest today is Barack Obama, President Barack Obama. Good to be with you. I mean, the dierput deep in dictatorship. How do you justify dealing with the cashto? If I thought to myself that I being in a garage doing an interview. As a president. As

发表于:2019-01-29 / 阅读(79) / 评论(0) 分类 访谈录2015年

1,supplementary nutrients Vitamin D was mainly rely on two channels, one is to obtain from food, and the other one is on the adoption of solar ultraviolet radiation in human skin synthesis of vitamin D3, it can even in the small intestine to pr

发表于:2019-01-31 / 阅读(139) / 评论(0) 分类 阅读空间

Three pregnant women are knitting sweaters for their babies when one of them takes a pill. The second one says, What was that?The first one says, Vitamin C, to make my baby's bones healthy.The second one takes a pill, and the third one says, What was

发表于:2019-02-03 / 阅读(87) / 评论(0) 分类 趣味英语

By Suzanne Chislett London 07 March 2008 Fifty years ago scientists were still working hard at cracking the human genetic code - now researchers are able to break down an individuals DNA in just a matter of hours. The advance not only allows doctors

发表于:2019-02-06 / 阅读(61) / 评论(0) 分类 VOA标准英语2008年(三月)

Here are 7 health problems from eating too many almonds! 以下是吃太多杏仁会导致的7种健康问题! 1.Kidney Stones 肾结石 Certain diets and foods can make people more prone to kidney stones, especially diets high in oxalates. This is

发表于:2019-02-07 / 阅读(115) / 评论(0) 分类 英语美文

昨天还是兴奋的大一学生,如今就要背上行囊,离开这个熟悉的城市;昨天还是和朋友嬉笑,转眼就要明日天涯。直到毕业才发现很多事都没有去做,很多的话还没和重要的人说,还有很多很

发表于:2019-02-08 / 阅读(96) / 评论(0) 分类 好听的英文歌曲

DNA Technology Helps Famers Identify Crop Diseases It is often difficult for farmers to identify diseases quickly enough to protect their crops and those on neighboring farms. Now, some farmers are using a simple device directly in the field to find

发表于:2019-02-13 / 阅读(239) / 评论(0) 分类 2019年VOA慢速英语(一)月

Companies are increasingly adding vitamins and minerals to juices, sports drinks and bottled water, responding to a growing consumer demand for these products. Even though the amounts of added nutrients in these drinks are typically small, some nutri

发表于:2019-02-15 / 阅读(64) / 评论(0) 分类 阅读空间

There are now 434 confirmed deaths and eight still missing from the capsizing of the Eastern Star on the Yangtze River. Local authorities say the cruise ship will be moved from the site to allow divers to search further. Meanwhile, DNA identification

发表于:2019-03-04 / 阅读(123) / 评论(0) 分类 2015CRI中国国际广播电台