睡覺窗戶忌緊閉

人入睡後，每分鐘要吸入３００毫升氧氣，呼出２５０毫升二氧化碳，如果門窗緊閉，密不透風，不消３小時，室內約二氧化碳量就會增加３倍以上，細菌、塵埃等有害物質也會成倍增長。

因此，睡覺時應留些窗縫，以便讓室外新鮮空氣不斷流入，室內二氧化碳及時排出。

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MySpace Hacker Tells His Story

A guy called Samy Kamkar did something interesting by writing a code that forced MySpace users that visited his page automatically added him in their friendlist AND declared him as a “hero” on their profile pages. Many consider the code to be the first Web 2.0 worm: the Samy worm.

Recently, Samy, who is now 21, made his first public appearance since his conviction, attending the OWASP App Sec 2007 conference, hosted by eBay, in San Jose, California. He was treated like a celebrity at the show, but there were some complications. Under the terms of his plea agreement, he can only use computers for work, so he was forced to show slides that he’d dictated to a friend on a computer that was operated by a conference staffer.

It’s not easy being a computer geek cut off from computers, but if Samy remains a model parolee, he could be allowed to use computers again in a couple of months. He talked to IDG News Service about what life has been like since his arrest and what he plans to do as soon as he’s online again.

IDGNS: What were you thinking when you wrote the Samy worm?

Kamkar: When I wrote the worm, it initially wasn’t a worm. Initially I was just trying to spruce up my MySpace profile. I also wanted to show off to a couple of friends, so I thought ‘wouldn’t it be cool if I did this? What if I made some of these people add me as a friend automatically?’ Then I figured, ‘what if I made them add me as a hero?’ So I wrote a little code and what ended up happening is whenever someone viewed my profile, they would automatically add ‘But most of all, Samy is my hero’ at the end of their hero section on their profile. And after that, I thought, ‘If I can make this person my friend, if I can make myself their hero, couldn’t I just copy this code onto their profile?’

I didn’t think this would be a big deal, so I tried it out. I thought maybe I’ll get one friend tomorrow and a few in maybe a few days. It went quickly. Apparently, MySpace is a bigger place than I assumed.

IDGNS: How hard was it to write the worm?

Kamkar: I’m not a Web application security expert, but I’m into security and I’m into Web applications. As a programmer, it wasn’t too much to learn how to use AJAX, which really helped make the worm work and proliferate really quickly. It only took a few days to write the thing from start to finish and it was only in the last day that I thought that this could be a worm.

IDGNS: Do you think it would be easy to write another MySpace worm now?

Kamkar: It would be much harder to write a MySpace worm right now just because they’ve added so many restrictions, but it’s always possible and there are so many other sites that these exploits are available on. So it could still happen.

I think that more worms are going to come out. I’ve heard of more worms trying to take off using the same code base that I wrote, and just changing a few things. Luckily restrictions have really prevented those from working out too well. But yeah, from here on out, I think worms are only going to get more advanced.

IDGNS: What’s your life been like since you pleaded guilty in this case last January?

Kamkar: My life has been a bit different. I have computer restrictions now, so I can only use computers for work purposes. I also serve community service and I’m on probation. So on top of the restitution, it’s a little more than a slap on the wrist.

IDGNS: The worm you wrote was fairly innocuous. It just made you really popular on MySpace. How do you feel about being indicted for this?

Kamkar: Well, I didn’t have malicious intent writing the worm. I understand that it was a big example of what you shouldn’t be doing, so I think if I were in their shoes, maybe I’d do the same thing. Maybe I’d say, ‘Well that guy got a lot of press. He’s showing, this is how you hack a Web site and this is how you write a worm, and we want to make sure people don’t do that.’

And I agree that people shouldn’t be doing that and I shouldn’t have released that. So I sort of see it on both sides.

IDGNS: Do you regret doing it?

Kamkar: I wish I could take it back.

IDGNS: What’s the first thing you’re going to do when you’re free to use a computer again?

Kamkar: The first thing I’m going to do when I can use a computer again is probably just get back into development on the site and write projects that are interesting to me and non-malicious. No more worms.

IDGNS: Would you work for MySpace if they wanted you to?

Kamkar: I think in the future, I’d be happy to help out because they actually provide a pretty cool site. Right now, I’m involved in one project with one company, but in the future, that’s definitely an option.

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瘦大腿的方法

我知道你很懒，懒得有时令我生气。

好啦，今天苏老师就在这里教你一个怪而不难的招，包你易瘦添福气。

其实很简单，而且每天都可以做。

只要当你坐於书桌前或电脑前的時候，拿一張纸，夾于两腿膝盖中间，維持它不掉下即可。

虽然听起來很简单，不过实行起來可會酸酸的哩，不简单啊不简单！

这是因为这样的动作会使用到平常不常用到的大腿內侧肌肉。

试试看吧，懒猪！需要维持此动作多久？

能多久就多久吧，看你的造化了。

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冰箱除冷凍外的7種妙用

1.衣物上粘有口香糖難以去除，可將衣服放入冰箱，口香糖經冷凍後變脆，輕搓即可去除。

2.生日蠟燭放入冰箱冷凍24小時，再插在蛋糕上，就不會出現蠟油流下弄髒蛋糕的情況。

3.啤酒、紅酒和白蘭地，倒在製冰盒中可成一塊塊固體冰酒塊，吃起來別有一番風味。

4.綠豆、黃豆、赤豆等豆類一般不易煮爛，但只要先煮一下，待冷卻後放入冰箱冷藏室，半天後取出，即可煮爛。

5.手腳被燙後，將燙傷的手腳立即伸入冰箱內即可減輕疼痛，又能避免起泡。

6.絲質衣服不易燙平，如將衣服噴上水裝進布袋內放進冰箱裡，10分鐘取出熨燙，衣服便會很平整。

7.在冰箱果盤盒內養魚，不換水可保持數天不死，可隨食隨取，既方便又鮮活。

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The Hottest and Coldest Place on Earth

You would be wrong if you think that Death Valley of California is the hottest place on earth. Well, it has got to be El Azizia, Libya of Africa that clinch the title of the hottest place on the earth. The highest temperature ever recorded on earth being 57.8°C in September 13, 1922. Whereas the highest temperature taped at Death Valley was 54°C in July 10, 1913.

We all know that the climate of Antarctica is the coldest on earth, so no surprise that the coldest place on earth is located at there. The lowest reliably measured temperature on Earth of -89.2°C was measured here at Vostok Station on July 21, 1983. It is a Russian (formerly Soviet) research station located near the South Geomagnetic Pole, at the center of the East Antarctic Ice Sheet.

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愛因斯坦小時候說話有困難

小的時候，愛因斯坦很少說話。而且好不容易開口了，也說的非常非常慢。事實上，愛因斯坦把所有的句子都要在腦子裏過一遍，然後覺得沒問題了才說出來。

有記載顯示，愛因斯坦直到九歲之後才不繼續這麼做。因此，愛因斯坦的父母常常覺得自己的孩子智力有問題。

愛因斯坦說話很晚，他的父母因此非常擔心。最後，在某次吃晚飯的時候，愛因斯坦打破了沉默，他說“這湯太燙了。”這下他的父母才放心，然後問他為什麼之前不說話。愛因斯坦答道：“因為到現在為止一切都很正常。”

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《施氏食獅史》

石室詩士施氏，嗜獅，誓食十獅。施氏時時適市視獅。
十時，適十獅適市。
是時，適施氏適市。
氏視是十獅，恃矢勢，使是十獅逝世。
氏拾是十獅屍， 適石室。
石室濕，氏使侍拭石室。
石室拭，氏始試食是十獅。
食時，始識是十獅，實十石獅屍 。
試釋是事。

注意︰ 只用一個發音來敘述一件事，除了中文，怕是再無其他語言能做到了。

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Gene ‘links breastfeeding to IQ’

Children with one version of the FADS2 gene scored seven points higher in IQ tests if they were breastfed.

But the Proceedings of the National Academy of Sciences study found breastfeeding had no effect on the IQ of children with a different version.

The gene in question helps break down fatty acids from the diet, which have been linked with brain development.

Seven points difference is enough to put the child in the top third of the class, the researchers said.

Some 90% of people carry the version of the gene which was associated with better IQ scores in breastfed children.

Researchers at the Institute of Psychiatry, Kings College London, used data from two previous studies of breast-fed infants in Britain and New Zealand, which involved more than 3,000 children.

IQ was measured at various points between the ages of five and 13 years in the studies.

Previous studies on intelligence and breastfeeding have come up with conflicting results.

There has been some debate as to whether mothers who had more education or who were from more affluent backgrounds were more likely to breastfeed, skewing the results.

Nature versus nurture

Professor Terrie Moffitt, a co-author on the paper, said the findings gave a fresh perspective on the arguments by showing a physiological mechanism that could account for the difference between breastfed and bottle-fed babies.

“The argument about intelligence has been about nature versus nurture for at least a century,” she said.

“However, we have shown that in fact nature works via nurture to create better health outcomes.”

Since the studies used in the analysis were done, manufacturers have begun to add fatty acids to formula milk but there have been inconsistent results on the benefits.

Belinda Phipps, of the National Childbirth Trust, said: “This shows for the majority of parents they can have a positive effect on their babies IQ by breastfeeding.”

Catherine Collins, a dietician at St Georges Hospital in London and spokesperson for the British Dietetic Association, said the study highlighted the interaction between nutrition and genetics.

“In this study you have an effect that suggests that nature is more important that nurture.

“If nine out of 10 babies benefit, then that is a very good chance.”

But she added the study did not specify how long babies were breastfed for and it may be that even breastfeeding for a short period may be beneficial for intelligence.

Professor Jean Golding, who founded the ALSPAC study set up in the 1990s to follow the development of thousands of children in the South West of England, said the results were fascinating and they would be doing a further study of the gene.

“In the past people have had different results about whether breastfeeding improves IQ and this would sort out the reason why,” she said.

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