你肯定想不到的20個有趣的科學小事實

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.
這裏羅列了一些非常有趣的科學事實，不過你可能還真不知道。科學仍舊是一個很神祕的課題，因此可以羅列的瑣碎事實也是數以百萬計——那麼這一份清單就算是先行一步，拋磚引玉吧！

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.
人體裏的血管總長度大約有62,000英里，拉直放到地上可以繞地球2.5圈。

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

3. The risk of being struck by a falling meteorite for a human is one occurrence every 9,300 years.
每一人被下落的隕石砸死的風險約爲9300年一遇。

4. A thimbleful of a neutron star would weigh over 100 million tons.
一顆中子星很微量的一部分，重量也會超過1億噸。

5. A typical hurricane produces the energy equivalent of 8,000 one megaton bombs.
一個典型颶火產生的能量相當於8000個百萬噸吸炸彈。

6. Blood sucking hookworms inhabit 700 million people worldwide.
全球有7憶人體內有吸血鉤蟲。

7. The highest speed ever achieved on a bicycle is 166.94 mph, by Fred Rompelberg.
騎自行車所創造下的最高時速是166.94英里，記錄創造人是Fred Rompelberg。

8. We can produce laser light a million times brighter than sunshine.
我們可以製造比陽光亮上一百萬倍的激光。

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

10. The combined length of the roots of a Finnish pine tree is over 30 miles.
一棵蘇蘭松樹的全部根長連起來長度超過30公里。

11. The oceans contain enough salt to cover all the continents to a depth of nearly 500 feet.
海洋裏含有的鹽份足夠覆蓋所有陸地，厚度可達到近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].
星際氣體雲射手座B含有十億的十億的十億升的酒精（本站站長計劃不久將來要移居該處）。

13. Polar Bears can run at 25 miles an hour and jump over 6 feet in the air.
北極熊奔跑的時速可高達25英里，可以跳6英尺那麼高。

14. 60-65 million years ago dolphins and humans shared a common ancestor.
6~6.5千萬年前，海豚與人類擁有共同的祖先。

15. Polar Bears are nearly undetectable by infrared cameras, due to their transparent fur.
紅外線攝像機幾乎探測不到北極熊，因爲它們的皮毛是透明的。

16. The average person accidentally eats 430 bugs each year of their life.
普通人一輩子不小心嚥下的蟲子能達430只。

17. A single rye plant can spread up to 400 miles of roots underground.
單單一顆黑麥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.
水星表面的溫度白天超過430攝氏度，晚下驟降到零下180攝氏度。

19. The evaporation from a large oak or beech tree is from ten to twenty-five gallons in twenty-four hours.
一棵大橡木或櫸物二十四小時內蒸發的水份可高達十到二十五加侖。

20. Butterflies taste with their hind feet, and their taste sensation works on touch – this allows them to determine whether a leaf is edible.
蝴蝶的味覺在後腳上，然後通過觸摸的方式感知味道，以此來判斷葉子能不能食用。