你肯定想不到的20个有趣的科学小事实

This list explores a variety of fascinating scientific facts that you probably are unaware of. Science is still a very mysterious subject so there are millions of trivial facts about it – this will be the first of many scientific fact lists in the future.
这里罗列了一些非常有趣的科学事实，不过你可能还真不知道。科学仍旧是一个很神秘的课题，因此可以罗列的琐碎事实也是数以百万计——那么这一份清单就算是先行一步，抛砖引玉吧！

1. There are 62,000 miles of blood vessels in the human body – laid end to end they would circle the earth 2.5 times.
人体里的血管总长度大约有62,000英里，拉直放到地上可以绕地球2.5圈。

2. At over 2000 kilometers long, The Great Barrier Reef is the largest living structure on Earth.
大堡礁延绵2000公里以上，是地球上最大的生命结构体。

3. The risk of being struck by a falling meteorite for a human is one occurrence every 9,300 years.
每一人被下落的陨石砸死的风险约为9300年一遇。

4. A thimbleful of a neutron star would weigh over 100 million tons.
一颗中子星很微量的一部分，重量也会超过1亿吨。

5. A typical hurricane produces the energy equivalent of 8,000 one megaton bombs.
一个典型飓火产生的能量相当于8000个百万吨吸炸弹。

6. Blood sucking hookworms inhabit 700 million people worldwide.
全球有7忆人体内有吸血钩虫。

7. The highest speed ever achieved on a bicycle is 166.94 mph, by Fred Rompelberg.
骑自行车所创造下的最高时速是166.94英里，记录创造人是Fred Rompelberg。

8. We can produce laser light a million times brighter than sunshine.
我们可以制造比阳光亮上一百万倍的激光。

9. 65% of those with autism are left handed.
患有自闭症的65%是左撇子。

10. The combined length of the roots of a Finnish pine tree is over 30 miles.
一棵苏兰松树的全部根长连起来长度超过30公里。

11. The oceans contain enough salt to cover all the continents to a depth of nearly 500 feet.
海洋里含有的盐份足够覆盖所有陆地，厚度可达到近500英尺。

12. The interstellar gas cloud Sagittarius B contains a billion, billion, billion liters of alcohol [JFrater is planning to move there in the near future].
星际气体云射手座B含有十亿的十亿的十亿升的酒精（本站站长计划不久将来要移居该处）。

13. Polar Bears can run at 25 miles an hour and jump over 6 feet in the air.
北极熊奔跑的时速可高达25英里，可以跳6英尺那么高。

14. 60-65 million years ago dolphins and humans shared a common ancestor.
6~6.5千万年前，海豚与人类拥有共同的祖先。

15. Polar Bears are nearly undetectable by infrared cameras, due to their transparent fur.
红外线摄像机几乎探测不到北极熊，因为它们的皮毛是透明的。

16. The average person accidentally eats 430 bugs each year of their life.
普通人一辈子不小心咽下的虫子能达430只。

17. A single rye plant can spread up to 400 miles of roots underground.
单单一颗黑麦植物的根可以蔓延至地下400英里。

18. The temperature on the surface of Mercury exceeds 430 degrees C during the day, and, at night, plummets to minus 180 degrees centigrade.
水星表面的温度白天超过430摄氏度，晚下骤降到零下180摄氏度。

19. The evaporation from a large oak or beech tree is from ten to twenty-five gallons in twenty-four hours.
一棵大橡木或榉物二十四小时内蒸发的水份可高达十到二十五加仑。

20. Butterflies taste with their hind feet, and their taste sensation works on touch – this allows them to determine whether a leaf is edible.
蝴蝶的味觉在后脚上，然后通过触摸的方式感知味道，以此来判断叶子能不能食用。