[化] 线粒体RNA

Identicals share one of the closest human relationships biologically. They are likely to grow up looking and sounding extremely similar, yet not a 100% match. A small number of genes in the mother's eggs sit outside the nucleus, known as mitochondria

发表于:2018-12-05 / 阅读(66) / 评论(0) 分类 国家地理2007年

听遍美国之空难性新闻[4]:20th Anniversary of Mt. St. Helens Eruption Twenty years ago a massive(1) blast(2) sideways from Mount St. Helens vaporized(3) forests in five thousand degree heat, flattened(4) hundreds of miles of timberland, and killed 57

发表于:2018-12-07 / 阅读(115) / 评论(0) 分类 听遍美国

'Three-Person Babies' Debate Goes Beyond Science and Religion 三人创造的人类胚胎辩论超越科学和宗教 Britain has become the first country to permit doctors to use genetic material from three people to create human embryos. The process

发表于:2018-12-16 / 阅读(52) / 评论(0) 分类 2015年VOA慢速英语(三)月

Sixty years ago today, two men reached the summit of Mt Everest, the highest mountain in the world. They were the first people to do this and return alive. The men were New Zealander Edmund Hillary and Tensing Norgay from Nepal. They were part of a B

发表于:2018-12-31 / 阅读(87) / 评论(0) 分类 新西兰英语

Three months ago, Mt Tongariro erupted, sending a cloud of ash into the sky. Today the same thing happened and it happened suddenly, without any early signs or noise. Again it sent a cloud of ash into the sky, about 5000m high. Listen to August 8th 2

发表于:2018-12-31 / 阅读(88) / 评论(0) 分类 新西兰英语

By Roger Hsu Mephis, Tennessee 17 August 2006 watch Museum report The National Ornamental Metal Museum in Memphis is devoted to the conservation and advancement of metalwork. It is a place where metal smiths become synonymous with artists and where

发表于:2019-01-06 / 阅读(172) / 评论(0) 分类 2006年VOA标准英语(八月)

Australia's Muslim leaders have opened their mosques and schools to house Roman Catholic pilgrims for World Youth Day as part of efforts to ease interfaith tensions. The Australian Federation of Islamic Councils is also planning mixed-faith sporting

发表于:2019-01-13 / 阅读(86) / 评论(0) 分类 VOA标准英语2008年(七月)

U.S. Defense Secretary Robert Gates visited Western Iraq Wednesday, the place where U.S. troops and local tribal leaders began an effort four years ago that helped turn the tide of the Iraq war. Gates stopped in al-Anbar Province on his way to Baghda

发表于:2019-01-14 / 阅读(69) / 评论(0) 分类 VOA标准英语2010年(九)月

ARI SHAPIRO, HOST: A little boy takes his parents to court in the new film Capernaum. In Lebanon, that title means chaos, and critic Bob Mondello says that's an accurate description of the world the boy lives in. BOB MONDELLO, BYLINE: Zain is skinny,

发表于:2019-01-17 / 阅读(112) / 评论(0) 分类 2018年NPR美国国家公共电台12月

In 'Capernaum,' The Chaos Of Lebanon From A Homeless Child's Perspective LULU GARCIA-NAVARRO, HOST: OK. This is the time of year when film critics announce their best of lists. Among the Hollywood titles, there is one film from the Middle East that r

发表于:2019-01-17 / 阅读(103) / 评论(0) 分类 2018年NPR美国国家公共电台12月

Beginners. In this part of the world, we need to heat our house for three quarters of the year: Winter, Spring, and Fall. Of course, now is the time of year when the freezing temperatures outside make us turn up the heat inside. It is so nice to get

发表于:2019-01-28 / 阅读(74) / 评论(0) 分类 英语博客 A cup of English

Last night Mt Hutt skifield was closed and about 1300 skiers had to spend the night on the floor of the lodge on the mountain. There is no sleeping accommodation on the mountain. Yesterday morning, the ski field opened as usual to skiers but by aroun

发表于:2019-02-03 / 阅读(172) / 评论(0) 分类 新西兰英语

By Paul Sisco 07 December 2007 The Mount Washington observatory in (the northeastern U.S. state of) New Hampshire is a non-profit, scientific and educational institution with a mission to advance understanding of the Earth's climate systems. It also

发表于:2019-02-03 / 阅读(92) / 评论(0) 分类 VOA常速英语2007年(十二月)

Two buildings burnt to the ground early yesterday morning at Whakapapa Ski field which is on Mt Ruapehu. People who were staying in huts on the mountain woke around 1am Saturday morning to see a red sky. Some thought that Mt Ruapehu was erupting agai

发表于:2019-02-04 / 阅读(60) / 评论(0) 分类 新西兰英语

When Helen Clark left Parliament, the Labour Party announced there would be a by-election in Mt Albert to find a replacement MP. Russell Norman, co-leader of the Green Party, and John Boscawen of the ACT Party both want to be the MP for Mt Albert. Th

发表于:2019-02-05 / 阅读(68) / 评论(0) 分类 新西兰英语

WASHINGTON, April 21 (Xinhua) -- U.S. researchers said Monday that muscle weakness from long-term alcoholism may be due to an inability of mitochondria, the powerhouses of cells, to self- repair. In research conducted with rats, the researchers found

发表于:2019-02-05 / 阅读(132) / 评论(0) 分类 英语新闻

Reproductive technology 生殖技术 Mum, Dad and Mitomum 妈妈,爸爸与代孕妈妈 Britain may allow babies with three biological parents 英有望允许新生儿有三个亲身父母 ASSISTED reproduction is one of those rare areas in which Br

发表于:2019-02-16 / 阅读(100) / 评论(0) 分类 经济学人科技系列

As expected, David Shearer of the Labour Party, won the Mt Albert by-election yesterday. He received 63% of the vote. This was 12,615 votes. Melissa Lee of the National Party received only 3,426, the Green Party candidate received 2,418 while the ACT

发表于:2019-02-17 / 阅读(57) / 评论(0) 分类 新西兰英语

Greece has condemned an attack carried out by a Libyan warplane on a Greek-operated oil tanker chartered by Libya's national oil company, saying it had contacted the U-N envoy for Libya and the E-U about the incident. The attack took place on Monday

发表于:2019-02-18 / 阅读(109) / 评论(0) 分类 cctv9英语新闻2015年

The South Ridge on Aoraki Mt Cook has been re-named Hillary Ridge. This is to honour Sir Edmund Hillary who was in the group of four climbers who were first to climb along that ridge to the top the mountain in 1948. It took them 7 hours. Aoraki Mt Co

发表于:2019-02-25 / 阅读(106) / 评论(0) 分类 新西兰英语