My Choice #10

Science fun facts

1.Did you know that there are 206 bones in the adult human body and there are 300 in children (as they grow some of the bones fuse together).
2.The most dangerous animal in the world is the common housefly. Because of their habits of visiting animal waste, they transmit more diseases than any other animal.
3.The smallest bone in the human body is the stapes or stirrup bone located in the middle ear. It is approximately .11 inches (.28 cm) long.
4.There are no poisonous snakes in Maine.
5.The poison arrow frogs of South and Central America are the most poisonous animals in the world.
6.The Virginia opossum has a gestation period of only 12-13 days.
7.The human eye blinks an average of 4,200,000 times a year.
8.It takes approximately 12 hours for food to entirely digest.
9.Human jaw muscles can generate a force of 200 pounds (90.8 kilograms) on the molars.
10.The heaviest human brain ever recorded weighed 5 lb. 1.1 oz. (2.3 kg.).
11.The ears of a cricket are located on the front legs, just below the knee.
12.Hydrofluoric acid will dissolve glass.
13.If you could throw a snowball fast enough, it would totally vaporize when it hit a brick wall.
14.The only letter not appearing on the Periodic Table is the letter “J”.
15.The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.
16.No matter its size or thickness, no piece of paper can be folded in half more than 7 times.
17.When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
18.By raising your legs slowly and laying on your back, you can't sink in quicksand.
19.Diamonds are the hardest substance known to man.
20.A cockroach can live for several weeks without its head.

http://www.hightechscience.org/funfacts.htm