1 The speed of light is generally rounded down to 186,000 miles per second. In exact terms it is 299,792,458 m/s (equal to 186,287.49 miles per second).

2 It takes 8 minutes 17 seconds for light to travel from the Suns surface to the Earth.

3 10 percent of all human beings ever born are alive at this very moment.

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

5 Every year, over one million earthquakes shake the Earth.

6 When Krakatoa erupted in 1883, its force was so great it could be heard 4,800 kilometers away in Australia.

7 Every second around 100 lightning bolts strike the Earth.

8 Every year lightning kills 1000 people.

9 In October 1999 an Iceberg the size of London broke free from the Antarctic ice shelf .

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

11 Human tapeworms can grow up to 22.9m.

12 The Earth is 4.56 billion years oldthe same age as the Moon and the Sun.

13 The dinosaurs became extinct before the Rockies or the Alps were formed.

14 Female black widow spiders eat their males after mating.

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

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

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

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

19 One million, million, million, million, millionth of a second after the Big Bang the Universe was the size of a pea.

20 DNA was first discovered in 1869 by Swiss Friedrich Mieschler.

21 The molecular structure of DNA was first determined by Watson and Crick in 1953.

22 The first synthetic human chromosome was constructed by US scientists in 1997.

23 The thermometer was invented in 1607 by Galileo.

24 Alfred Nobel invented dynamite in 1866.

25 Wilhelm Rontgen won the first Nobel Prize for physics for discovering X-rays in 1895.

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

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

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

29 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.

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

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

32 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.

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

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

35 On the day that Alexander Graham Bell was buried the entire US telephone system was shut down for 1 minute in tribute.

36 The low frequency call of the humpback whale is the loudest noise made by a living creature.

37 A quarter of the worlds plants are threatened with extinction by the year 2010.

38 Each person sheds 40lbs of skin in his or her lifetime.

39 At 15 inches the eyes of giant squids are the largest on the planet.

40 The Universe contains over 100 billion galaxies.

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

42 More germs are transferred shaking hands than kissing.

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

44 It would take over an hour for a heavy object to sink 6.7 miles down to the deepest part of the ocean.

45 Around a million, billion neutrinos from the Sun will pass through your body while you read this sentence.

46 The deepest part of any ocean in the world is the Mariana trench in the Pacific with a depth of 35,797 feet.

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

48 Somewhere in the flicker of a badly tuned TV set is the background radiation from the Big Bang.

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

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

מרתק.

בהחלט.

הנה 50 עובדות מדעיות:

1. There is no theory of evolution. Just a list of animals Chuck Norris allows to live.

2. Chuck Norris does not sleep. He waits.

3. The chief export of Chuck Norris is Pain.

4. There is no chin under Chuck Norris' Beard. There is only another fist.

5. Chuck Norris has two speeds. Walk, and Kill.

6. The leading causes of death in the United States are: 1. Heart Disease 2. Chuck Norris 3. Cancer

7. Chuck Norris once roundhouse kicked someone so hard that his foot broke the speed of light, went back in time, and killed

Amelia Earhart while she was flying over the Pacific Ocean.

8. Crop circles are Chuck Norris' way of telling the world that sometimes corn needs to lie down.

9. Chuck Norris is ten feet tall, weighs two-tons, breathes fire, and could eat a hammer and take a shotgun blast standing.

10. The Great Wall of China was originally created to keep Chuck Norris out. It failed miserably.

11. Contrary to popular belief, Chuck Norris, not the box jellyfish of northern Australia, is the most venomous creature on earth.

Within 3 minutes of being bitten, a human being experiences the following symptoms: fever, blurred vision, beard rash, tightness of

the jeans, and the feeling of being repeatedly kicked through a car windshield.

12. Most people have 23 pairs of chromosomes. Chuck Norris has 72... and they're all poisonous.

13. The quickest way to a man's heart is with Chuck Norris' fist.

14. Chuck Norris is the only man to ever defeat a brick wall in a game of tennis.

15. Chuck Norris doesn't churn butter. He roundhouse kicks the cows and the butter comes straight out.

16. There is no such thing as global warming. Chuck Norris was cold, so he turned the sun up.

17. Someone once videotaped Chuck Norris getting pissed off. It was called Walker: Texas Chain Saw Masacre.

18. If you spell Chuck Norris in Scrabble, you win. Forever.

19. The opening scene of the movie "Saving Private Ryan" is loosely based on games of dodgeball Chuck Norris played in second

grade.

20. Chuck Norris once shot down a German fighter plane with his finger, by yelling, "Bang!"

21. Chuck Norris once bet NASA he could survive re-entry without a spacesuit. On July 19th, 1999, a naked Chuck Norris re-

entered the earth's atmosphere, streaking over 14 states and reaching a temperature of 3000 degrees. An embarrassed NASA

publically claimed it was a meteor, and still owes him a beer.

22. Someone once tried to tell Chuck Norris that roundhouse kicks aren't the best way to kick someone. This has been recorded

by historians as the worst mistake anyone has ever made.

23. Contrary to popular belief, America is not a democracy, it is a Chucktatorship.

24. Teenage Mutant Ninja Turtles is based on a true story: Chuck Norris once swallowed a turtle whole, and when he crapped it

out, the turtle was six feet tall and had learned karate.

25. Chuck Norris is not hung like a horse... horses are hung like Chuck Norris.

26. Faster than a speeding bullet ... more powerful than a locomotive ... able to leap tall buildings in a single bound... yes, these are

some of Chuck Norris's warm-up exercises.

27. Chuck Norris is the only human being to display the Heisenberg uncertainty principle -- you can never know both exactly

where and how quickly he will roundhouse-kick you in the face.

28. Chuck Norris can hit you so hard that he can actually alter your DNA. Decades from now your descendants will occasionally

clutch their heads and yell "What The Hell was That?"

29. Time waits for no man. Unless that man is Chuck Norris.

30. Chuck Norris discovered a new theory of relativity involving multiple universes in which Chuck Norris is even more badass

than in this one. When it was discovered by Albert Einstein and made public, Chuck Norris roundhouse-kicked him in the face.

We know Albert Einstein today as Stephen Hawking.

31. Chuck Norris doesn't shower, he only takes blood baths.

32. The Chuck Norris military unit was not used in the game Civilization 4, because a single Chuck Norris could defeat the entire

combined nations of the world in one turn.

33. In an average living room there are 1,242 objects Chuck Norris could use to kill you, including the room itself.

34. Pluto is actually an orbiting group of British soldiers from the American Revolution who entered space after the Chuck gave

them a roundhouse kick to the face.

35. When Chuck Norris goes to donate blood, he declines the syringe, and instead requests a hand gun and a bucket.

36. There are no steroids in baseball. Just players Chuck Norris has breathed on.

37. Chuck Norris once challenged Lance Armstrong in a "Who has more testicles?" contest. Chuck Norris won by 5.

38. Chuck Norris was the fourth wise man, who gave baby Jesus the gift of beard, which he carried with him until he died. The

other three wise men were enraged by the preference that Jesus showed to Chuck's gift, and arranged to have him written out of

the bible. All three died soon after of mysterious roundhouse-kick related injuries.

39. A Chuck Norris-delivered Roundhouse Kick is the preferred method of execution in 16 states.

40. When Chuck Norris falls in water, Chuck Norris doesn't get wet. Water gets Chuck Norris.

41. Scientists have estimated that the energy given off during the Big Bang is roughly equal to 1CNRhK (Chuck Norris

Roundhouse Kick)

42. If tapped, a Chuck Norris roundhouse kick could power the country of Australia for 44 minutes.

43. Chuck Norris can divide by zero.

44. Chuck Norris has 12 moons. One of those moons is the Earth.

45. Archeologists unearthed an old english dictionary dating back to the year 1236. It defined "victim" as "one who has

encountered Chuck Norris"

46. Chuck Norris can touch MC Hammer.

47. Outer space exists because it's afraid to be on the same planet with Chuck Norris.

48. Chuck Norris can slam a revolving door.

49. Chuck Norris roundhouse kicks don't really kill people. They wipe out their entire existence from the space-time continuum.

50. Chuck Norris proved that we are alone in the universe. We weren't before his first space expedition.

הנה 50 עובדות מדעיות:

46. Chuck Norris can touch MC Hammer.

:lol:

4. There is no chin under Chuck Norris' Beard. There is only another fist.

;D

http://www.youtube.com/watch?v=7cmNbHaTaeg