<50 Interesting Science Facts ⁄ >

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 Sun's 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 old...the 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.



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