Saturday, April 22, 2006

Interesting science facts

The following is a revised list of the top 100 scientific facts

1. It takes 8 minutes 17 seconds for light to travel from the Sun's surface to the Earth.

2. The Earth spins at 1,000 mph but it travels through space at an incredible 67,000 mph.

3. Every year over one million earthquakes shake the Earth.

4. The largest ever hailstone weighed over 1kg and fell in Bangladesh in 1986.

5. Every second around 100 lightning bolts strike the Earth.

6. Every year lightning kills 1000 people.

7. If you could drive your car straight up you would arrive in space in just over an hour.

8. The Earth is 4.56 billion years old...the same age as the Moon and the Sun.

9. Female black widow spiders eat their males after mating.

10. When a flea jumps, the rate of acceleration is 20 times that of the space shuttle during launch.

11. If our Sun were just inch in diameter, the nearest star would be 445 miles away.

12. The Australian billygoat plum contains 100 times more vitamin C than an orange.

13. Astronauts cannot belch - there is no gravity to separate liquid from gas in their stomachs.

14. The air at the summit of Mount Everest, 29,029 feet is only a third as thick as the air at sea level.

15. Alfred Nobel invented dynamite in 1866.

16. The tallest tree ever was an Australian eucalyptus - In 1872 it was measured at 435 feet tall.

17. Christian Barnard performed the first heart transplant in 1967 - the patient lived for 18 days.

18. An electric eel can produce a shock of up to 650 volts.

19. 'Wireless' communications took a giant leap forward in 1962 with the launch of Telstar, the first satellite capable of relaying telephone and satellite TV signals.

20. The Ebola virus kills 4 out of every 5 humans it infects.

21. In 5 billion years the Sun will run out of fuel and turn into a Red Giant.

22. Giraffes often sleep for only 20 minutes in any 24 hours. They may sleep up to 2 hours (in spurts - not all at once), but this is rare. They never lie down.

23. A pig's orgasm lasts for 30 minutes.

24. Without its lining of mucus your stomach would digest itself.

25. Humans have 46 chromosomes, peas have 14 and crayfish have 200.

26. There are 60,000 miles of blood vessels in the human body.

27. An individual blood cell takes about 60 seconds to make a complete circuit of the body.

28. The call of the humpback whale is louder than Concorde and can be heard from 500 miles away.

29. A quarter of the world's plants are threatened with extinction by the year 2010.

30. Wounds infested with maggots heal quickly and without spread of gangrene or other infection.

31. More germs are transferred shaking hands than kissing.

32. The fastest speed a falling raindrop can hit you is 18mph.

33. The world's smallest winged insect, the Tanzanian parasitic wasp, is smaller than the eye of a housefly.

34. There are more living organisms on the skin of each human than there are humans on the surface of the earth.

35. The saturn V rocket which carried man to the Moon develops power equivalent to fifty 747 jumbo jets.

36. Koalas sleep an average of 22 hours a day, two hours more than the sloth.

37. Light would take .13 seconds to travel around the Earth.

38. Males produce one thousand sperm cells each second - 86 million each day.

39. One in every 2000 babies is born with a tooth.

40. Every hour the Universe expands by a billion miles in all directions.

41. Even travelling at the speed of light it would take 2 million years to reach the nearest large galaxy, Andromeda.

42. At over 2000 kilometres long The Great Barrier Reef is the largest living structure on Earth.

43. A thimbleful of a neutron star would weigh over 100 million tons.

44. The risk of being struck by a falling meteorite for a human is one occurence every 9,300 years.

45. The driest inhabited place in the world is Aswan, Egypt where the annual average rainfall is .02 inches.

46. The largest meteorite craters in the world are in Sudbury, Ontario, canada and in Vredefort, South Africa.

47. The largest desert in the world, the Sahara, is 3,500,000 square miles.

48. Our oldest radio broadcasts of the 1930s have already travelled past 100,000 stars

49. The African Elephant gestates for 22 months.

50. The mortality rate if bitten by a Black Mamba snake is over 95%.

51. In the 14th century the Black Death killed 75,000,000 people. It was carried by fleas on the black rat.

52. A dog's sense of smell is 1,000 times more sensitive than a humans.

53. 90% of those who die from hurricanes die from drowning.

54. To escape the Earth's gravity a rocket need to travel at 7 miles a second.

55. Micro-organisms have been brought back to life after being frozen in perma-frost for three million years.


Blogger YD said...

Haha.. everytime these lists of science facts come out, there would be a same old one appearing everytime, about the pig's sexual life. @_@

da di da di dum...

4:54 am  

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