科学家改进空间天气预报准确性

Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su

VOA标准英语--Afghans Protest Quran Burning for Fifth Day

For the fifth day, Afghans have taken to the streets to protest the burning of a Quran by Florida pastor Terry Jones. Since the initial eruption of violence in Mazar-i-Sharif on Friday, about 20 people are estimated to have died. The burning of the M

CNN 2011-11-19

And the volcano is putting on a major firework show. You can see why tourists at Virunga National Park aren't just coming to see gorillas.This eruption started more than a week ago.Scientists don't know when it will end.The do believe that the lava i

英语听力：自然百科 真实的庞贝—14

And what sort of building were they in. Yea, we found them near a tower and they were escaping during the eruption. To the trained eye of a forensic anthropologist, the state of the bones, even 2000 years after death, is very telling. On skeleton No.

侏罗纪搏击俱乐部 第109期:千万别去惹迅猛龙

Along with its deadly claws, Utahraptor relied on its teeth as an effective means of killing its prey. 除了其致命的爪子外，犹他盗龙凭借它的牙齿作为一个杀死猎物的有效工具。 And to ensure it always had a fresh set, Uta

2008-11-01 猛犸山

Every day people come to soak in Hot Creek, a place to rest, created by geologic unrest. Sudden geyser eruptions, driven by heat from magma below the Earth surface, can change water temperatures so fast that going into the water is not recommended.

国家地理:Killer Lakes 　杀人湖

Volcanic gases escape from the magma . They percolate through the earth crust and into the atmosphere. Professional geologist, Charles Watson, investigates the risks at Horseshoe Lake close to Mammoth's main resort. There is a quiet, silent killer th

专业术语—口腔生理学术语Q-R(英文详解)

Quadrate - one of the bones which together with the articular bones and the dentary, made/make up a reptile's jaw. In mammals the quadrate bone is incorporated into the middle ear as the incus. Ramus

AP美联社一分钟新闻(2010-04-21)

1. Survivors and family members of those who died in the Oklahoma City bombing will gather to commemorate the 15th anniversary of that attack. The blast in 1995 killed 168 people, injuring 600 more. Homeland Security Secretary Janet Napolitano will s

VOA标准英语2010年-Sudanese Children First Victims of War

More than 300,000 children in Sudan die every year from preventable causes, about 26,000 mothers die each year giving birth, says UNICEF Lisa Schlein | Geneva 14 June 2010 UN mission dubs Southern Sudan as the hungriest place on earth with a recent s

历史上的今天-Today in History 2010-05-18

May 18th,1980Its erupting like it never has before, I am sure. Cause from where Im standing, I cant see the top of the mountain, but I see the whole eruption coming from it, its big.In Washington state, Mount St. Helens explodes, blasting away the to

英语听力：自然百科 太阳核磁爆

NASA's twin Stereo spacecrafts called Behind and Ahead captured rare footage of the Sun erupting over about a 30 hour period between September 26th and 27th. From the Behind perspective on the left, the long filament, darker than the Sun's surface, c

英语听力：探索发现 2012-05-13 荒野求生:冰岛—14

Now Im on the lookout for fuel for a nice warm fire. Therere loads of these birch trees around here, and these are what Im looking for. I can tell theyre birch just because of the way theyre silver-limbed. This time of year in the winter, all the lea

新西兰英语 654 Mount Tongariro erupts after more than a century

On Monday 6 August 2012, the North Island volcano, Mt Tongariro, erupted during the night. It had been dormant for over a century. During the previous month there had been a number of earthquakes below it, but the eruption was still a surprise. Becau

雅思阅读词汇：火山爆发(二)

circular depression 圆形的凹陷 circular adj. 圆形的，循环的 composite volcano 复式火山 conduit n. 导管，沟渠 conduit system 沟渠系统 cone n. 锥形物，圆锥体 congeal v. （

雅思阅读词汇：火山爆发(五)

sloping cone 有坡度的圆锥体 sodium n.[化]钠 solar system [天]太阳系 solidification n. 凝固 solidify v.(使)凝固，巩固 spine n. 脊骨，地面隆起地带 spiteful adj. 怀恨的，恶

VOA标准英语2010-Climate Changes Appear to Coincide with H

U.S. National Research Council calls for more exploration Rosanne Skirble | Washington, DC 08 April 2010 Photo: Smithsonian National Museum of Natural History Rick Potts has led excavations at early human sites in the East African Rift Valley, and cu

经济学人:太阳物理和古生物学:"石"事求是(2)

They have been able to apply the tree-ring method to petrifiedtrunks from a nearby fossil forest. 他们能够将判断树年轮的方式应用在附近石化森林的一颗石化的树木上。 This forest (imagined in an artists impression above) w

万物简史 第316期:地下的烈火(24)

In an extraordinarily unself-critical book called Surviving Galeras, Williams said he could only shake my head in wonder when he learned afterward 但威廉斯毫不自责，在一本名叫《加莱拉斯火山幸存记》的书里说，当他后来听

万物简史 第315期:地下的烈火(23)

The luckiest person on that day was a graduate student named Harry Glicken. 那一天最走运的要算是一位名叫哈里格利肯的研究生。 He had been manning an observation post 5.7 miles from the mountain, 他是离火山9公里处一个观