Quora精選：超級有趣但是鮮為人知的冷知識

1) The pleasant smell of first rain after a long time (called petrichor) is actually due to geosmin produced by bacteria present in wet soil. It is also attributed to an oil released by plants to keep themselves from drying out.

久旱初雨后空氣中的馨香（叫作“潮土油”），實際上源于潮濕泥土中細菌所產(chǎn)生的土臭素，也來自于植物為避免干枯而分泌的一種油脂。

2) If you survive a lightning strike, you get a special scar:

如果你在雷擊中幸存下來，你身上會留下一道特殊的疤痕：

It's called "Lichtenberg figure".

它叫做“利希騰貝格圖形”。

3) G-Mail was originally a free email service for Garfield fans!

G-Mail最初是為加菲貓粉絲們提供免費電子郵件服務的！

The domain name "gmail.com" was originally used by Garfield.com to reply to fans of the comic strip “Garfield”. In June of 2005 Google bought the URL from Garfield’s website.

“gmail.com”這個域名本來是加菲貓官網(wǎng)（Garfield.com）用來給《加菲貓》連環(huán)畫粉絲回信的。2005年6月，谷歌從加菲貓那里收購了這個網(wǎng)址。

4) In most of the malls today, perfumes are always found at the entrance. There's a reason behind this:

現(xiàn)在大多數(shù)購物中心的香水柜臺都設在入口處。這背后是有原因的：

Before automobile came in, commuters used to depend on horses, which used to leave lots of dung on the roads. Just to ensure the stench/bad odor would not enter the sales outlet, perfumes and fragrances were always kept at the entrance. This was done so that the customers would have a pleasant experience the moment they step in.

在汽車普及之前，馬匹是主要的代步工具。但是馬一路會留下許多糞便。為了確保這種異味不被帶入，店鋪入口處常會放香水。這樣顧客一踏入店門就會感覺愉悅。

5) A honey bee must tap two million flowers to make one pound of honey.

一只蜜蜂需要采兩百萬朵花才能釀出一磅蜂蜜。

6) If a statue of a person on a horse has both front legs in the air, the person died in battle; if the horse has one front leg in the air, the person died as a result of wounds received in battle; if the horse has all four legs on the ground, the person died of natural causes.

一尊騎馬雕像，如果馬的一雙前蹄騰空，那么此人戰(zhàn)死沙場；如果馬一只前蹄騰空，那么此人傷重而亡；如果馬四腳著地，那么他壽終正寢。

7) Honey is the only food that doesn't spoil. It was found in an edible form even in the Pyramids. When you call someone “honey”, you are blessing them with a long life.

蜂蜜是唯一一種不會變質的食物。甚至在金字塔中發(fā)現(xiàn)的蜂蜜都還可以食用。當你叫別人“honey”（蜂蜜，親愛的）時，你是在祝福他們長命百歲。

8) Only one McDonald's in the world has turquoise arches. This is in Sedona, Arizona. The Government officials thought the yellow would look bad with the natural red rock of the city.

全世界只有一家麥當勞的“M”標志是藍綠色的。這家店位于亞利桑那州的賽多納市。當?shù)卣X得，麥當勞標志上的黃色和當?shù)氐奶烊患t色巖石搭配起來丑爆了。

9) Potato chips were invented in Saratoga Springs in 1853 by chef George Crum as a mocking response to a patron who complained that his French fries were too thick.

薯片是由一位住在薩拉托加斯普林斯，名叫喬治·克拉姆的廚師在1853年發(fā)明的，以此嘲笑一個抱怨他薯條做太厚的顧客。

10) Otters holds hands whilst sleeping so they do not drift away from one another.

水獺睡覺的時候會手牽著手，以防被水沖散。

This is a great example of common sense applied in the animal kingdom to maximise the likelihood of survival and it also happens to be a fascinating and cute thing to observe.

這是在動物王國，利用常識來最大限度謀求生存的典型例子，恰好看上去也萌死了。