Norway's Olympic Cooks Gets 15,000 Eggs Instead of 1,500

This is Whats Trending Today More than 100 athletes from Norway will compete in the 2018 PyeongChang Winter Olympics, which open Friday, February 9. They and the other world-class competitors, of course, need plenty of good food to help them perform

电信类英语词汇表大全-21

中文 英文 缩写 插箱 plug-in box 插座/插口/套节 socket 插座转接器/适配器 socket adapter 查地址文件 addrout file 查号台 directory assistance position 查看日志 view log 查

VOA标准英语 Britain's Anti-Terror Chief Resigns Over Security Bl

Britain's top anti-terrorism chief has been forced to resign after he inadvertently released details of an operation that then had to be initiated earlier than expected. In that operation, a dozen men in northwest England have been arrested and are

英语听力：自然百科 地球力场 Earth's Force Field—2

Radiation causes damage at the most fundamental level. It mutates the blueprint of life, DNA. Earth's magnetosphere is our crucial defense. It's so fundamental to our evolution and continued existence that the race is on to understand why it's changi

英语听力：自然百科 地球力场 Earth's Force Field—18

Earth's magnetic field has reversed thousands of times since its formation 4.5 billion years ago. And scientists now believe that the next reversal is imminent. The race is on to predicting exactly when it will occur. In 2010, the European Space Agen

英语听力：自然百科 地球力场 Earth's Force Field—16

During its magnetic cycle, the Sun undergoes periodic changes in activity. Every 11 years, it enters solar maximum. This 11 years cycle of solar activity has peaks where theres lots of solar storms. And right now where the sun is taking a little napp

英语听力：自然百科 地球力场 Earth's Force Field—12

Six years later, they come to believe these light flashes are the results of high energy, heavy cosmic rays penetrating the spacecraft and the crew members' eyes. These/ protons or electrons, just very, very high energy, ripped / part of atoms, sprin

英语听力：自然百科 地球力场 Earth's Force Field—13

Glatsmire's model shows that the magnetic poles swap places spontaneously due to / complex processes within the core. We were used to the idea that a compass points somewhere near the North Pole and hence we can use it for navigation, but there are p

英语听力：自然百科 地球力场 Earth's Force Field—15

By analyzing thousands of lava samples, geophysicists discover/ that the Earth's magnetic field has reversed over 18,000 times in the last 20 million years. On either side of these reversals is a long period of dramatically reduced field strength. Du

英语听力：自然百科 地球力场 Earth's Force Field—5

If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an

英语听力：自然百科 地球力场 Earth's Force Field—3

In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati

英语听力：自然百科 地球力场 Earth's Force Field—4

Scientists believe that the South Atlantic Anomaly, is a sign of a global decline in the magnetic field. Evidence of this comes from a surprising source. Dr. Mimi Hill uses pottery to uncover the secrets of earth's magnetic past. Ancient pots tell us

英语听力：自然百科 地球力场 Earth's Force Field—6

It's clear from the fact that the Martian crust is strongly magnetized, that there must have been a magnetic field on Mars in the past, that the only way we know to magnetize rocks is for them to form in the presence of magnetic field. Why did Mars l

英语听力：自然百科 地球力场 Earth's Force Field—7

The loss of the magnetic field has a catastrophic impact on the planet's evolution. Mars becomes the red planet we see today. If earths magnetic protection continues to fade, would it suffer the same fate? If it vanishes completely, the planet might

英语听力：自然百科 地球力场 Earth's Force Field—8

Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen

英语听力：自然百科 地球力场 Earth's Force Field—9

As the vast sphere reaches / maximum speed, something incredible happens. Huge lines of magnetism arc in and out of the model core. Well, we can't see the magnetic field coming out of the experiment, we can measure them, we can put many different mag

英语听力：自然百科 地球力场 Earth's Force Field—10

Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is

2006年VOA标准英语-Terror Suspect's Lawyers Ask Court to Suppress

By Lisa Ferdinando Miami 18 July 2006 Lawyers for terror suspect Jose Padilla are seeking to suppress statements their client made to U.S. government agents before he was arrested in May 2002. Padilla is being held in Miami and appeared in court Mon

2006年VOA标准英语-US Leaders Call Terrorist Leader's Death Major

By Meredith Buel Washington 08 June 2006 Top U.S. officials say the death of Abu Musab al-Zarqawi, al-Qaida's top leader in Iraq, is a major victory in the global war on terror. They do not believe, however, that his death will end the bloodshed in

2006年VOA标准英语-Iran's Ties to Terrorist Groups Pose Threa

By Bill Rodgers Washington, D.C. 17 May 2006 watch Terrorism report European countries are preparing a package of incentives to persuade Iran to abandon its uranium enrichment program. As tension rise