[生物] 线粒体生物发生学

【英语时差8,16】心脏为什么不会疲倦？

Your heart muscle does something truly incredibleit expands and contracts, non-stop, every moment of every day of your entire life. By comparison, if you tried to squeeze and release the muscles in your hand, they would grow fatigued and need to rest

发表于:2018-12-03 / 阅读(76) / 评论(0)

英语时差8，16

VOA慢速英语2015 三人创造的人类胚胎辩论超越科学和宗教

'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)

2015年VOA慢速英语(三)月

人为什么分成男人和女人?

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On this Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm an

发表于:2018-12-27 / 阅读(60) / 评论(0)

英语听力广播—Listening

Genesis 创世记36

36This is the account of Esau (that is, Edom). 2Esau took his wives from the women of Canaan: Adah daughter of Elon the Hittite, and Oholibamah daughter of Anah and granddaughter of Zibeon the Hivite- 3also Basemath daughter of Ishmael and sister of

发表于:2018-12-30 / 阅读(86) / 评论(0)

创世记

英伦广角 2015-02-07 英国议会下院通过“三亲育子”技术法案

If you're confused by Three Parent... you come to the right place. This is my kitchen lab. The eggs here are somewhat larger but the principles are the same and allows me to demonstrate what scientists hope to do with humans. Inside the egg core are

发表于:2019-01-02 / 阅读(54) / 评论(0)

英伦广角

60秒科学:多细胞生物不需要氧气

As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox

发表于:2019-01-02 / 阅读(108) / 评论(0)

60秒科学

Biosolids

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

发表于:2019-01-02 / 阅读(121) / 评论(0)

VOA2003（下）-农业与经济

Genesis 创世记10

10This is the account of Shem, Ham and Japheth, Noah's sons, who themselves had sons after the flood. The Japhethites 2The sons of Japheth: Gomer, Magog, Madai, Javan, Tubal, Meshech and Tiras. 3The sons of Gomer: Ashkenaz, Riphath and Togarmah. 4The

发表于:2019-01-26 / 阅读(87) / 评论(0)

创世记

Genesis 创世记26

26Now there was a famine in the land-besides the earlier famine of Abraham's time-and Isaac went to Abimelech king of the Philistines in Gerar. 2The Lord appeared to Isaac and said, Do not go down to Egypt; live in the land where I tell you to live.

发表于:2019-01-26 / 阅读(107) / 评论(0)

创世记

Genesis 创世记28

28So Isaac called for Jacob and blessed him and commanded him: Do not marry a Canaanite woman. 2Go at once to Paddan Aram, to the house of your mother's father Bethuel. Take a wife for yourself there, from among the daughters of Laban, your mother's

发表于:2019-01-26 / 阅读(141) / 评论(0)

创世记

Genesis 创世记11

11Now the whole world had one language and a common speech. 2As men moved eastward, they found a plain in Shinar and settled there. 3They said to each other, Come, let's make bricks and bake them thoroughly. They used brick instead of stone, and tar

发表于:2019-01-26 / 阅读(93) / 评论(0)

创世记

Genesis 创世记14

14At this time Amraphel king of Shinar, Arioch king of Ellasar, Kedorlaomer king of Elam and Tidal king of Goiim 2went to war against Bera king of Sodom, Birsha king of Gomorrah, Shinab king of Admah, Shemeber king of Zeboiim, and the king of Bela (t

发表于:2019-01-26 / 阅读(107) / 评论(0)

创世记

Genesis 创世记15

15After this, the word of the Lord came to Abram in a vision: Do not be afraid, Abram. I am your shield, your very great reward. 2But Abram said, O Sovereign Lord , what can you give me since I remain childless and the one who will inherit my estate

发表于:2019-01-26 / 阅读(104) / 评论(0)

创世记

英语听力文摘 English Digest 26、为什么会有男人和女人？

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On todayss Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm

发表于:2019-01-26 / 阅读(72) / 评论(0)

英语听力文摘 English Digest

研究:酗酒会导致肌肉无力

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)

英语新闻

新型药物有望延长人类寿命至120岁

It sounds like something from a science fiction film, but a pill to counter the ageing process could become a reality. 这听起来有点像科幻片的桥段，但可延缓衰老进程的药物有望变为现实。 Scientists in Russia are testing a

发表于:2019-02-05 / 阅读(89) / 评论(0)

阅读空间

三人基因试管婴儿将合法化

British MPs have voted in favour of the creation of babies with DNA from two women and one man, in an historic move. 英国国会议员投票通过一项具有历史性意义的决议，支持用两母一父的DNA培育婴儿。 The UK is now set to

发表于:2019-02-09 / 阅读(65) / 评论(0)

阅读空间

经济学人:粒腺体影响男性寿命粒腺体阻断

Mitochondria and male lifespan 粒腺体影响男性寿命 Power down 粒腺体阻断 Women outlive men. An evolutionary curiosity may explain this 女性比男性寿命长久。欲知为何，请看进化学分解 Mankiller? 男性健康杀手？ WH

发表于:2019-02-16 / 阅读(45) / 评论(0)

经济学人科技系列

万物简史第428期:生命的起源(22)

Mitochondria manipulate oxygen in a way that liberates energy from foodstuffs. 线粒体支配着氧，释放食物中的能量。 Without this niftily facilitating trick, life on Earth today would be nothing more than a sludge of simple microbes. 没有

发表于:2019-02-17 / 阅读(83) / 评论(0)

万物简史

英语听力精选进阶版 6427

What's wrong with having three parents? I'm happy with two but maybe it would have been a case of the more the merrier. The role of parents is not only to give us love and guidance, but also to pass on genetic code. A few particular healthy genes wou

发表于:2019-02-21 / 阅读(46) / 评论(0)

英语听力精选进阶版

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