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能帮助战胜乳腺癌的蛋白
Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of bre
英语听力材料2010-08-06 -
广岛爆炸后生存的400岁盆栽
Sixty five years ago, during World War II, a B-29 bomber known as the "Enola Gay" dropped the first atomic bomb over the city of Hiroshima, Japan, killing hundreds of thousands of people. Among the su
英语听力材料2010-08-06 -
青蛙没有我们想象中那么好?
Declining frog populations are considered an indicator of environmental damage. But new research finds that frogs might be doing even worse than we thought. Because the volunteers who count frogs by t
英语听力材料2010-08-06 -
墨西哥湾漏油使食物链断裂
Some scientists say oil from the Gulf Oil spill is harming the base of the region’s food chain. They say it will create a ripple effect that will reach all the way up to the fishing industry.一些科学
英语听力材料2010-08-05 -
以色列黎巴嫩冲突后边界紧张
Israel's border with Lebanon is tense but quiet, a day after a deadly clash raised fears of a new round of conflict.The United Nations peacekeeping force in south Lebanon has backed Israel's version
英语听力材料2010-08-05 -
研究:空气污染与心脏病,中风有联系
Medical researchers are finding out more about the health risks of air pollution. They say the world's dependence on fossil fuels is largely responsible for increased risk of heart attack and stroke.
英语听力材料2010-08-05 -
计算机模型有助于减少水污染
Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also disrupt the delicate water cycle that provides food, recreation and h
英语听力材料2010-08-05 -
安理会敦促伊拉克组建政府
U.S. troops will begin their drawdown in Iraq at the end of this month, but there still is no government in place and violence is on the rise. On Wednesday, the U.N. Security Council urged Iraq's re
英语听力材料2010-08-05 -
科技带领我们更深层次的认识艺术品
Just off Trafalgar Square at the National Gallery, some detective work is in progress: analyzing masterpieces, their pigment and varnish, to get into the mind of the painter. With infrared cameras and
英语听力材料2010-08-05 -
克林顿女儿的大婚日子
Scenes from Chelsea Clinton's wedding day. Guests arrived in Rhinebeck, New York to celebrate the former first daughter's marriage to her longtime beau Marc Mezvinsky. Media estimates had put the co
英语听力材料2010-08-05 -
辣椒素对高血压老鼠有帮助
Here’s a possible blood pressure remedy. But it’s only for those who can stand the heat. It’s capsaicin, the “active ingredient” in peppers like habaneros that should probably be sold by prescrip
英语听力材料2010-08-05 -
网游实名制 防止未成年人沉迷游戏
最近又有一项新的网游管理体制出台，未成年人必须用自己的真实姓名和身份证号，对不同的游戏进行不同的管理，乐坊未成年人沉溺于网络。Online gamers in China are now required to register with their legal names
英语听力材料2010-08-04 -
节能环保 能源循环利用
Today, Sally Gold, who oversees a program called Shell Springboard – part of the Shell oil company. Since its launch in 2005, it has awarded over 1.6 million British pounds to 43 small businesses acr
英语听力材料2010-08-04 -
喝未加工的生牛奶更有益?
生奶是否比加工过的奶更为健康？口感是否会更好？一起来听听专家们都是怎么说的。
英语听力材料2010-08-04
GUY RAZ, host: This is ALL THINGS CONSIDERED from NPR News. I'm Guy Raz. Have you ever met someone who drinks raw milk? -
以色列与黎巴嫩边界军队冲突
There has been a deadly flare-up of violence on the Israel-Lebanon border.Israeli and Lebanese troops exchanged fire in an incident that broke years of relative calm on the border. There are conflict
英语听力材料2010-08-04 -
阿联酋回应针对禁止黑莓的批评
The United Arab Emirates says it is disappointed with the United States for criticizing its decision to ban key Blackberry communication services.United Arab Emirate officials say they plan to suspend
英语听力材料2010-08-04 -
中国致力于绿色能源解决方案
The International Energy Agency recently said China has become the world's biggest energy consumer - surpassing the United States. While Beijing disputes the IEA findings, claiming its calculations
英语听力材料2010-08-04 -
物理系学生更喜欢男讲师
Why aren’t there more women physicists, and in senior positions? One factor may be unconscious biases that could keep women physicists from advancing—and may even prevent women from going into physi
英语听力材料2010-08-04 -
当墨西哥湾漏油遭遇飓风
Now that hurricane season has begun, people are asking what will happen if a major hurricane passes close to or directly through the Gulf oil spill.由于飓风季节已经开始，人们不禁要问，如果强飓风从墨西
英语听力材料2010-08-03 -
巴基斯坦水灾灾民涌进避难所
Rescue workers in Pakistan are struggling to reach thousands of villagers stranded in the northwest by flooding that government officials say has killed more than 1,200 people.The United Nations estim
英语听力材料2010-08-03 -
奥巴马重申伊拉克撤军计划
President Barack Obama says the United States is on track to end its combat mission in Iraq by the end of this month, transitioning from a military to a civilian-led effort. In a speech to the Disabl
英语听力材料2010-08-03 -
夫妻闹离婚 宠物狗狗该归谁?
For Gale Myers it's Lucky as way more than a cute loyal dog."Do you feel your dog as your child?""I don't have any kids,so she's the closest. Then I wanna have to a child. I have another dog as wel
英语听力材料2010-08-03 -
火星探测或可继续
As many of us broil in August heat, the Mars Rover Spirit is hunkered down to survive a far more brutal season—a Martian winter. Spirit’s been on Mars since January 2004 and already survived previou
英语听力材料2010-08-03 -
美军新型装甲车其实是负担?
Explosive Devices have accounted for around 800 of the roughly 1,100 U.S. combat deaths in Afghanistan. To counter these increasingly-lethal bombs, the U.S. military is spending billions of dollars on
英语听力材料2010-08-02 -
美国第二季度经济增长放缓
Slower economic growth in the United States pushed global stocks lower Friday. The U.S. Commerce Department reports the country's gross domestic product, the broadest measure of the nation's economi
英语听力材料2010-08-02
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