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JUDY WOODRUFF:Now: curbing conflicts in high school. Hari Sreenivasan looks at a new approach to discipline that replaces suspensions with conversations. HARI SREENIVASAN:In Aurora, Colorado, principal Matthew Willis welcomes the recent changes at Hi

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In 1940, North American Aviation designed the legendary P-51 Mustang in response to the British need for a high-performance fighter aircraft. The Mustang featured the most advanced laminar flow wing and a ducted cooling radiator positioned under the

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Why Does Altitude Cause Headache? Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged cliffs of the peaks they climb. But one of the most serious dangers they face is all in their headsliterally. Why does altitu

Powerless Aircraft Sets Altitude Record

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

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High school students in the U.S. increasingly have a new option to challenge themselves: the International Baccalaureate, or IB. The program is a demanding two-year curriculum. It aims to prepare students for college-level work, support independent r

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By Michael Drudge London 19 April 2006 Antonio Guterres, UN High Commissioner for Refugees launches a new report

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New Education Center Honors Abraham Lincoln About 750,000 people visit Ford's Theater each year to see the box where President Lincoln was shot. Now they can go across the street to the house where he died and then to the center next door to it. A 10

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关于乘机旅行的词汇

boarding check 登机牌 plane ticket 飞机票 flight, flying 飞行 bumpy flight 不平稳的飞行 smooth flight 平稳的飞行 ramp 扶梯 altitude, height 高度 extra flight 加班 non-stop flight 连续飞行 circling 盘旋 forced landing 迫降

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For many of us, it is the rocket fuel that gets us going first thing in the morning. 对我们许多人来说，早起第一件事就喝咖啡则如同火箭燃料一般，能让我们清醒起来动起来。 But one expert has argued that to get the

CCTV9英语新闻：Traffic resumes in Xinjiang after 18 hour rescue

Sudden snowfall earlier this week blocked a national highway in Xinjiang Uygur Autonomous Region. The local traffic control department worked nearly 20 hours to clear the snow, and traffic in the area has now returned to normal. The snow started arou

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Change altitude 改变高度 Rebecca had decided that her best chance of getting hired by a company doing geological survey work in the Alaskan wilderness was to earn a private license to fly twin-engine planes. 丽贝卡觉得，要想进入在阿拉斯