1) It is impossible to commit suicide by holding one's breath.At worst,the person who tries this will eventually lose conciousness.The lungs will then start to breath automatically.

2) The human brain uses the same amount of power as a 10-watt electric bulb.

3) Some subatomic particles discovered by nuclear physicists have a lifetime of just a few trillionths of a trillionth of a second.In this moment,light-which travels from moon to earth in 1 1/4 second -moves to no more than the width of a proton.

4) When u were only a fertilised egg - u were about the size of the head of the pin !

5) Two normal kidneys contain 2 million tiny blood filters which filter 50 gallons of blood everyday !

6) If all the atomic nuclei in the entire universe were sqashed together,it would make a ball,small enough to fit inside our solar system. In fact,it would stretch out to the asteroid belt and still have all the mass of the entire universe.

7) The left side of our brain controls the right side and vice versa.

8) The eucalyptus tree can explode like a bomb if it is caught in a forest fire.The tree contains a highly explosive oil called eucalyptus oil.

9) Man has tiny bones once meant for a tail and unworkable muscles once meant to move his ears.

10) A parrot's beak can close with a force of 350 pounds per square inch.

11) The human mouth contains more bacteria than any other orifice in the body.

12) Bats on account of their "ultrasonic echolation" have the most acute sense of hearing in the animal world.Vampire bats and fruit bats are capable of hearing frequencies as high as 1,50,000 cycles per second.

13) Cool as cucumber? The inside of cucumber is often 20 degree hotter than the surrounding air.

14) No solar eclipse can last longer than 7 min 58 seconds because of the speed at which the sun moves.

15) An average of 400 million sperms are contained in a single human ejaculation.

1) Red-fire fish can fly and produce sounds like a crow.

2) A rat can fall from a five-storeyed building without any mishap.Two rats can become the progenitors of 15,000 rats less than a year.

3) The atomic bomb,for all its immense destructive power ,utilizes only 1/1000 of total energy sealed within the atom.

4) Galileo became totally blind shortly before his death,probably because of the damage done to his eyes during his many years of looking at the sun through a telescope.

5) The largest iceberg so far recorded was sighted in the southern pacific ocean in 1956. It covered an area of about 31,000 sq.km.

6) The hotel with maximum no. of rooms in the world is the 'The hotel excaliber' in las vegas.

7) One inch of rain contains the same amount of water as a 10 inch snowstorm.

8) Bull can move faster upwards on a slope than moving downwards on the same slope.

9) Some 3,200 feet of helium is required to lift a man.

10) A whale's heart only beats 540 times in 1 hour.

11) The electric catfish can discharge upto 650 electric volts-more than 50 times of the average car battery.

12) The puma is capable of jumping exceptional distances.Some have been jumping nearly five and half metres up into trees and leaping horizontally over a distance of more than 12 metres.

13) The that occurs most frequently in the written english is "E".

It occured..........