| you can find lot of interesting fact in the link | | | | 18 days. |
| below | | | | 28 – An electric eel can produce a shock of |
| | | | | up to 650 volts. |
| 1 – The speed of light is generally rounded | | | | 29 – ‘Wireless’ communications took |
| down to 186,000 miles per second. In exact | | | | a giant leap forward in 1962 with the launch of |
| terms it is 299,792,458 m/s (equal to 186,287.49 | | | | Telstar, the first satellite capable of relaying |
| miles per second). | | | | telephone and satellite TV signals. |
| 2 – It takes 8 minutes 17 seconds for light to | | | | 30 – The Ebola virus kills 4 out of every 5 |
| travel from the Sun’s surface to the Earth. | | | | humans it infects. |
| 3 – 10 percent of all human beings ever born | | | | 31 – In 5 billion years the Sun will run out of |
| are alive at this very moment. | | | | fuel and turn into a Red Giant. |
| 4 – The Earth spins at 1,000 mph but it | | | | 32 – Giraffes often sleep for only 20 minutes |
| travels through space at an incredible 67,000 mph. | | | | in any 24 hours. They may sleep up to 2 hours |
| 5 – Every year, over one million earthquakes | | | | (in spurts – not all at once), but this is rare. |
| shake the Earth. | | | | They never lie down. |
| 6 – When Krakatoa erupted in 1883, its force | | | | 33 – There are 60,000 miles of blood vessels |
| was so great it could be heard 4,800 kilometers | | | | in the human body. |
| away in Australia. | | | | 34 – An individual blood cell takes about 60 |
| 7 – Every second around 100 lightning bolts | | | | seconds to make a complete circuit of the body. |
| strike the Earth. | | | | 35 – On the day that Alexander Graham Bell |
| 8 – Every year lightning kills 1000 people. | | | | was buried the entire US telephone system was |
| 9 – In October 1999 an Iceberg the size of | | | | shut down for 1 minute in tribute. |
| London broke free from the Antarctic ice shelf . | | | | 36 – The low frequency call of the humpback |
| 10 – If you could drive your car straight up | | | | whale is the loudest noise made by a living |
| you would arrive in space in just over an hour. | | | | creature. |
| 11 – Human tapeworms can grow up to | | | | 37 – A quarter of the world’s plants are |
| 22.9m. | | | | threatened with extinction by the year 2010. |
| 12 – The Earth is 4.56 billion years old…the | | | | 38 – Each person sheds 40lbs of skin in his or |
| same age as the Moon and the Sun. | | | | her lifetime. |
| 13 – The dinosaurs became extinct before the | | | | 39 – At 15 inches the eyes of giant squids are |
| Rockies or the Alps were formed. | | | | the largest on the planet. |
| 14 – Female black widow spiders eat their | | | | 40 – The Universe contains over 100 billion |
| males after mating. | | | | galaxies. |
| 15 – When a flea jumps, the rate of | | | | 41 – Wounds infested with maggots heal |
| acceleration is 20 times that of the space shuttle | | | | quickly and without spread of gangrene or other |
| during launch. | | | | infection. |
| 16 – If our Sun were just inch in diameter, | | | | 42 – More germs are transferred shaking |
| the nearest star would be 445 miles away. | | | | hands than kissing. |
| 17 – Astronauts cannot belch – there is no | | | | 43 – The fastest speed a falling raindrop can |
| gravity to separate liquid from gas in their | | | | hit you is 18mph. |
| stomachs. | | | | 44 – It would take over an hour for a heavy |
| 18 – The air at the summit of Mount Everest, | | | | object to sink 6.7 miles down to the deepest part |
| 29,029 feet is only a third as thick as the air at | | | | of the ocean. |
| sea level. | | | | 45 – Around a million, billion neutrinos from the |
| 19 – One million, million, million, million, millionth | | | | Sun will pass through your body while you read |
| of a second after the Big Bang the Universe was | | | | this sentence. |
| the size of a …pea. | | | | 46 – The deepest part of any ocean in the |
| 20 – DNA was first discovered in 1869 by | | | | world is the Mariana trench in the Pacific with a |
| Swiss Friedrich Mieschler. | | | | depth of 35,797 feet. |
| 21 – The molecular structure of DNA was | | | | 47 – Every hour the Universe expands by a |
| first determined by Watson and Crick in 1953. | | | | billion miles in all directions. |
| 22 – The first synthetic human chromosome | | | | 48 – Somewhere in the flicker of a badly |
| was constructed by US scientists in 1997. | | | | tuned TV set is the background radiation from |
| 23 – The thermometer was invented in 1607 | | | | the Big Bang. |
| by Galileo. | | | | 49 – Even traveling at the speed of light it |
| 24 – Alfred Nobel invented dynamite in 1866. | | | | would take 2 million years to reach the nearest |
| 25 – Wilhelm Rontgen won the first Nobel | | | | large galaxy, Andromeda. |
| Prize for physics for discovering X-rays in 1895. | | | | |
| 26 – The tallest tree ever was an Australian | | | | you can find lot of interesting fact in the link |
| eucalyptus – In 1872 it was measured at 435 | | | | below |
| feet tall. | | | | 50 – A thimbleful of a neutron star would |
| 27 – Christian Barnard performed the first | | | | weigh over 100 million tons. |
| heart transplant in 1967 – the patient lived for | | | | |