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青海玉树地震信息资源列表(5.15日20：22更新)

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笔记本电脑质量排名

原文是叫做可靠度，还是用质量排名比较容易理解。跟性能无关，只是返修率的高低。

最好的是华硕，其次是东芝和Sony。

笔记本电脑三年返修率
笔记本电脑三年返修率

当然上网本的情况更糟

上网本12个月返修
上网本12个月返修

看来购买笔记本还是要多比较，特别是自己动手能力不高的话，还是要参考上图。

来源

Difference between a cold and H1N1 flu symptoms

H1N1症状同普通感冒症状的比较。

H1N1 flu is about to be upon us and we need to be on top of information regarding it. Here is a comparison to the normal cold symptoms .

Know the Difference between a Cold and H1N1 Flu Symptoms

Symptom Cold H1N1 Flu
Fever Fever is rare with a cold. Fever is usually present with the flu in up to 80% of all flu cases. A temperature of 100°F or higher for 3 to 4 days is associated with the H1N1 flu.
Coughing A hacking, productive (mucus- producing) cough is often present with a cold. A non-productive (non-mucus producing) cough is usually present with the H1N1 flu (sometimes referred to as dry cough).
Aches Slight body aches and pains can be part of a cold. Severe aches and pains are common with the H1N1 flu.
Stuffy Nose Stuffy nose is commonly present with a cold and typically resolves spontaneously within a week. Stuffy nose is not commonly present with the H1N1 flu.
Chills Chills are uncommon with a cold. 60% of people who have the H1N1 flu experience chills.
Tiredness Tiredness is fairly mild with a cold. Tiredness is moderate to severe with the H1N1 flu.
Sneezing Sneezing is commonly present with a cold. Sneezing is not common with the H1N1 flu.
Sudden Symptoms Cold symptoms tend to develop over a few days. The H1N1 flu has a rapid onset within 3-6 hours. The flu hits hard and includes sudden symptoms like high fever, aches and pains.
Headache A headache is fairly uncommon with a cold. A headache is very common with the H1N1 flu, present in 80% of flu cases.
Sore Throat Sore throat is commonly present with a cold. Sore throat is not commonly present with the  H1N1 flu.
Chest Discomfort Chest discomfort is mild to moderate with a cold. Chest discomfort is often severe with the H1N1 flu.

芦笋尿

车里总是备着一本闲书，孩子们睡着，我陪着的时候消遣用的。目前放着的是《怎么把仓鼠做成化石》，NewScientist 出的科普书之一，更出名的一本叫《企鹅为什么不冻脚》。前一阵子，悠悠睡着了，我打开翻到一篇“Aromatic pee”，芳香的尿。讲的是吃芦笋后，尿尿会有股浓重的怪味的现象。这篇让我觉得特别有趣，因为它印证了个人经验。

到德国后，我多次发觉尿尿有点怪味。说怪，因为它不寻常，其实我觉得是股香味。刚开始以为泌尿系统出了问题。出现数次之后，才把这股尿香与芦笋联系起来。德国人喜欢吃芦笋，每年到了那个季节，市场上到处都是芦笋，我们也比较爱吃。

按照书上的说法，芦笋含有的某些物质，在人体内会被分解出一些硫化物来，人体不需要，肾脏就把它们迅速排出体外。有意思的是，有研究结果说，虽然所有人都会排出这种气味，但不是所有人都能闻到，和基因有关。英语里有个词 Asparapee，如果闻不到，理解起来就比较难。

转自桑林志

夏令时开始和结束的时间

2009到2015年，美国，加拿大夏令时起始时间表。

2 a.m. on the Second Sunday in March（三月第二个周日的凌晨2点开始夏令时）
to
2 a.m. on the First Sunday of November. （十一月第一个周日的凌晨2点结束夏令时）

Year DST Begins 2 a.m.
(Second Sunday in March)		 DST Ends 2 a.m.
(First Sunday in November)
2009 March 8 November 1
2010 March 14 November 7
2011 March 13 November 6
2012 March 11 November 4
2013 March 10 November 3
2014 March 9 November 2
2015 March 8 November 1