单词:Lissoflagellata
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Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u
Yussouf was a sheik. He was sitting at the door of his dent in the desert. It was night. Nothing was visible in the desert. The only light was the light that came from the starts in the sky. They were twinkling in the sky. The sheik was sad at heart.
Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo
Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are us
我们是否生来就乐观有余而现实不足?Tali Sharot与我们分享的最新研究表明:人类的大脑更倾向于接受乐观的信息,而这样的特点既对人有益又十分危险。
By Sabina Castelfranco Rome 13 October 2006 Italian authorities have ordered the closure of an Arabic school in Milan, just three days after it opened. Authorities say the school did not acquire the proper authorization. The school has been a magnet
By Katy Migiro Nairobi 06 June 2007 The Somali government has closed down three main FM stations in the capital, Mogadishu. Katy Migiro reports for VOA that the media clampdown follows a surprise visit by the Ethiopian Prime Minister aimed at shoring
This is Scientific American's 60-Second Science. Im Steve Mirsky. Got a minute? On February 14th, the Union of Concerned Scientists issued a call for the protection of federal scientists. The UCS press conference took place in space made available by
President Obama is urging world leaders whore meeting in Washington today to act and not just talk about safeguarding nuclear materials. NPRs Scott Horsley has more. President Obama called nuclear terrorism one of the greatest threats to global secur
By Sabina Castelfranco Vicenza, Italy 17 February 2007 Tens-of-thousands of Italians protested Saturday in the northeastern city of Vicenza against the planned expansion of a U.S. military base nearby. Sabina Castelfranco was there, and filed this VO
By Alisha Ryu Nairobi 19 June 2008 Somali Islamist opposition leader Sheik Sharif Sheik Ahmed says his group signed a U.N.-mediated peace agreement with Somalia's interim government last week because the accord provides a specific timetable for an E
The Pakistani army says it has been ordered by the government to begin military operations against al-Qaida-linked Taliban leader Baitullah Mehsud, but authorities are not giving details of the operation. Clashes have been reported between security
By Sabina Castelfranco Rome 05 February 2007 People gather outside Catania's Duomo Cathedral, Sicily, during the funeral service of Police officer Filippo Raciti, 5 Feb 2007 A funeral for a policemen killed in clashes following a soccer game in Sicil
By Sabina Castelfranco Rome 07 June 2007 A massive security operation is being organized in Rome for the arrival of U.S. President Bush on Friday evening. Thousands of police officers will be deployed in the city and the air space will be closed as a
By Sabina Castelfranco Rome 10 July 2006 Huge celebrations are being held in Italy after the national team's victory over France at the World Soccer Cup championship in Germany. --------- Italian soccer fans cheer and wave their flags by the Vittori
By Sabina Castelfranco Rome 13 June 2006 Italian fans watch Italy vs Ghana, Group E, World Cup 2006, soccer match, on a giant screen set up in downtown Duomo square in Milan Italians celebrated their victory over Ghana in the first soccer game in th
Muslim groups are accusing Australian soldiers in Afghanistan of cultural insensitivity and violating rules on treating prisoners. The Australian defense minister and soldiers' groups say the treatment was lawful and not inhumane. From Sydney, Phil
Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacter
48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac