SSS 2012-01-24

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

英语听力：2012-01-20 从南极到北极 From Pole To Pole—2

The penguins stay when all other creatures have fled because each guards a treasurea single egg rested on the top of its feet and kept warm beneath the downy bulge of its stomach. There is no food and no water for them. And they will not see the sun

专业术语—中草药成分英汉对照词汇T1

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

VOA标准英语2009年-Al-Shabab Militants Divided over Tacti

A rising dispute between militants in Somalia may have split the country's al-Qaida-linked al-Shabab group into two factions. Reports say the suicide bombing at a Mogadishu hotel earlier this month deepened divisions between an al-Shabab leader close

VOA慢速英语2010年-IN THE NEWS - For 33 Rescued Miners in

This is IN THE NEWS in VOA Special English. (SOUND) Rescue workers at the San Jose gold and copper mine in northern Chile had reason to sing this week. A small hole drilled into the earth became a passage to freedom for thirty-three trapped miners. T

VOA标准英语2011--Natural Spectacle Blooms in Texas

Spring has just sprung in the Northern Hemisphere, and that means an annual natural spectacular is just a couple of weeks away, deep in the heart of Texas. There are no other natural wonders in the rugged Texas Hill Country. No awe-inspiring canyons,

英语听力：2012-01-22 从南极到北极 From Pole To Pole—3

But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag

英语听力：2012-01-25 从南极到北极 From Pole To Pole—4

Day 10. And the mother has let her cubs a mile from the den. Its time to put them to the test. Theyve grown enormously in confidence, but they dont have their mothers sense of urgency. At last it seems that they are ready for their journey. And they

英语听力：2012-01-29 从南极到北极 From Pole To Pole—6

Midsummer on the tundra and the sun does not set. At these altitudes, the suns rays are glancing and not enough of their energy reaches the ground to enable trees to grow. Youll need to travel five hundred miles south from here before that is possibl

英语听力：2012-02-01 从南极到北极 From Pole To Pole—7

As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c

英语听力：2012-02-05 从南极到北极 From Pole To Pole—9

The advance of the seasons brings constant change. As the suns influence diminishes in the north, so the deciduous forests of America begin to shut down, losing their leaves in preparation for the dark, cold months ahead. One season hands over to ano

英语听力：2012-02-03 从南极到北极 From Pole To Pole—8

Deer are frequent casulties of the harsh winter. And these leopards are not above scavenging from a corpse. African leopards could never survive here. But the Russian cats have thick fur to shied them from the cold. There are only 40 Amur leopards le

英语听力：2012-02-24 从南极到北极 From Pole To Pole—17

Their secret is teamwork. Impala are their favourite prey. They start to hunt and the pack splits up. An aerial viewpoint gives a new insight into their strategy. As the dogs approach their prey, they peel off to take up separate positions around the

英语听力：2012-02-26 从南极到北极 From Pole To Pole—18

The dogs know their prey must come out or drown. Now its a waiting game. The rest of the pack are calling. Theyve made a kill in the forest and this is an invitation to join in the meal. The impala is in luck. A pack this size kills once a day and ev

英语听力：2012-02-17 从南极到北极 From Pole To Pole—14

All across southern Africa, all animals are journeying for the same reason. Buffalo join the great track. Nowhere else on Earth are so many animals on the move for the same urgent purpose. They are all heading for the swamps of the Okavango, a vast i

2006年VOA标准英语-Women's Health an Obstacle to Reducing Poverty

By Jordan Davis Dakar 17 October 2006 Nomad woman stand in a food line at a village near the small town of Dakoro, Niger As the international community marks World Poverty Day Tuesday, health experts say one of the keys to reducing poverty is improv

音乐咖啡厅:Bassboosa超迷幻单曲-Wish I Didn't

或许知道Bassboosa的人很少，但是那首萦绕于心的Dreaming想必一定俘获了很多人的心。即使被时光所遗忘，却依旧可以感受到那股温柔幸福的花香。这对甜蜜的情侣组合男成员Tim擅长搞电子方面，女主音Jasmine的声音绝大多数都离不开特殊修饰。 Artist：Bassboosa Song：Wis

2007年VOA标准英语-Scientists Face Obstacles in Vaccine Developmen

By Ernest Leong Washington 19 March 2007 watch Vaccine report Some U.S. state lawmakers are fighting a mandate requiring certain vaccinations for children, saying it encourages undesirable behavior. Getting vaccinated has become a more complicated pr

VOA标准英语2009-UN Prosecutors Seek to Limit Taylor's Contac

By Scott Stearns Dakar 11 November 2009 Liberian President Charles Taylor in court (file photo) U.N. prosecutors at the war crimes trial of former Liberian president Charles Taylor want to limit his access to defense lawyers during cross-examination

万物简史 第212期:把铅撵出去(1)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur