Sunday, January 4, 2009

Interesting science facts - 50 amazing science facts

1. Word "Science" derives from Latin word scientia meaning knowledge.

2. Human need approximately 12 hours in order to entirely digest the food.

3. Brain cells are the longest living cells in our body, they can last for an entire lifetime.

4. Some human brains are bigger than other and the biggest human brain weighed 2,3 kg.

5. Venus is the hottest planet in our solar system with surface temperature above 450 C.

6. If we are to believe scientists there are approximately 50,000,000,000 galaxies "out there".

7. Sound travels 4 times faster in water than in air.

8. One of the most accidental discoveries was the one of microwave. This discovery happened after a researcher walked by a radar tube and a chocolate bar melted in his pocket.

9. Kissing or shaking hands? In terms of germs be aware that more germs are transferred shaking hands than kissing.

10. Our moon is extremely dry, it is for instance one million times drier than the infamous Gobi Desert.

11. The highest recorded temperature on Earth was measured in Libya in 1922, and it was 58°C.

12. The lowest recorded temperature on our planet was -89.6°C. This was measured in Antarctica in 1983.

13. Not all animals on our planet have brains, for instance starfish do not have brains.

14. Kangaroos are lacking ability to walk backwards.

15. Eyes always remain same in size since the time we are born and till the moment we die, unlike our ears and nose that are constantly growing throughout our life.

16. Only humans have ability to sleep on their backs.

17. Our brain isn't much different than the rest of our body in terms of water since 80 % of our brain is water.

18. Our brain for proper functioning needs about quarter of total oxygen used by our body.

19. Crocodiles are not only swallowing unlucky victims but also the stones in order to help them dive deeper.

20. While cancer is perhaps the greatest disease of humanity, sharks do not have this problem as they are totally immune to cancer.

21. Surprisingly enough little mosquito has 47 teeth.

22. Ants are so hardworking that they even do not sleep.

23. In terms of rapid procreation rats lead the way since two rats can have after year and the half more than 1 million descendants.

24. Our fingernails are growing much faster than our toenails, about 4 times faster.

25. Talking about the hot stuff - The highest temperature produced in a laboratory was 920,000,000 F (511,000,000 C) at the Tokamak Fusion Test Reactor in Princeton, NJ, USA.

26. Hurricanes cause havoc which is really no surprise since a typical hurricane produces the energy equivalent to 8,000 one megaton bombs.

27. Polar bears may look slow and fat, but they are in real life far from it since they can run at 25 miles an hour and jump over 6 feet in the air.

28. Mosquitoes like women more than men since they very much like smell of estrogen.

29. In case you have ever wondered why giraffes are such a quiet animals it is because they have no vocal chords to make any noise.

30. Interesting enough, Earth is the only planet in our solar system that hasn't been named after some Roman or Greek god.

31. Year is not always longer time period than a day. Mercury for instance has one day on the planet twice as long as one year. This is because Mercury rotates very slowly but revolves around the Sun in slightly less than 88 days.

32. Our Sun may be gigantic but it still loses 360 million tonnes of material each day.

33. In case you want to be taller than the perfect profession for you is astronaut since astronauts can be up to 2 inches taller returning from space.This happens because the cartilage disks in the spine expand in the absence of gravity.

34. In case you ever wonder how much does a gallon of water weighs the answer is 8.34 pounds (3.8kg).

35. Though many would say otherwise hot water freezes quicker than the cold water.

36. Albert Einstein had speech difficulties in early age.

37. Lions are excellent hunters especially when you consider that they usually hunt in coordinated groups and stalk their chosen prey.

38. Methane is extremely potent greenhouse gas and cows are among the largest methane emitters with each domestic cow emitting about 105 pounds of methane a year.

39. So far scientists have discovered over 20 planets outside our solar system.

40. Spacecrafts are extremely fast, with fastest one going to 40,000 mph.

41. Can you live without you head? Well if you are a cockroach you can manage somewhere around 9 days or so.

42. So how alike are humans and chimps? Well if you consider that we share 98.4% of our DNA you could say a very lot, though on other hand we do share 70% of our DNA with a slug.

43. Human fetuses are in fact great fans of rock music since they react to loud rock music by kicking, or does this mean that they hate rock?

44. Average male brain is larger than average female brain (1,4 kg to 1,25 kg).

45. Humans are not the only creatures on Earth that cry, elephants are crying creatures too.

46. Polar bears would make perfect thieves since they cannot be detected by infrared cameras because of their transparent fur.

47. Rats are really fast lovers, especially desert rats that can copulate 122 times an hour.

48. Lefties are really in minority since 88% of all humans are right handed.

49. Smelly feet are likely to get you in more trouble with mosquitoes since they prefer people with smelly feet.

50. Snails are definitely among the sleepiest animals as they can sleep for three years.

11 comments:

Obaid_Shah June 20, 2010 at 5:54 AM  

This is a very good site.Every 1 shall get in touch with it and knw most amazing facts of science

Wong Chun Xing August 29, 2010 at 11:25 PM  

Other than cockroach, a chicken named Mike had lived for 18 months without it's head.

Anonymous,  January 16, 2012 at 5:10 AM  

this is really helpfull 2 me...

hussain123,  January 23, 2012 at 3:53 AM  

thank you this is really helpful for our school science magazine

Anonymous,  April 4, 2012 at 8:00 AM  

Number 20 is wrong. Sharks can and do get cancer.

Number 42 should be reworded. Humans and chimps have 98.4% same genetic material but are very different from each other because of the arrangement of the genetic material. E.g. compare two same 100 page textbooks with one page missing from textbook A. Completely scramble the page order in textbook A and that is chimps' DNA compare to humans.

Anonymous,  June 6, 2012 at 4:00 AM  

It is very good and helpful too.

Anonymous,  June 13, 2012 at 5:15 AM  

perfect facts far a student and i am with hussain123 too.
:)
:D
:o

Anonymous,  September 1, 2012 at 5:59 PM  

Great facts

I can use these for a presentation next week

Anonymous,  December 17, 2012 at 9:05 AM  

really very interesting facts....

Walter Hansen,  January 5, 2013 at 10:49 PM  

I have always been in love with science. And reading the facts that you have on here, are just so interesting. Thank you for posting these on here. I can't wait to read more.

Anonymous,  January 10, 2013 at 7:29 AM  

nice facts..i really like them all...it got me good experience