1. The width of a tornado can range from less than ten yards to more than a mile.
2. The word "laser" stands for "Light Amplification by Stimulated Emission by Radiation."
3. The world's first underground was the London Underground in1863. It has 275 stations and 253 miles of track.
4. There are approximately 90 people that have been frozen after their death.
5. There are mirrors on the moon. Astronauts left them so that laser beams could be bounced off of them from Earth. These beams help give us the distance to the moon give or take a few metres.
6. There are six million parts in the Boeing 747-400.
7. There has only been 193,000 metric tonnes of gold discovered to date.
8. There is no element on Mendeleev's (the current) periodic table of elements abbreviated, either partially, or fully, with the letter J.
9. Traveling by air is the safest means of transportation.
10. Using recycled aluminum cans and making news cans out of them saves 75% energy compared to making it from new material.
11. When the Galileo Probe entered Jupiter's atmosphere, it was traveling at a speed of 106,000 miles per hour. This is the fastest impact speed ever achieved by a man-made object.
12. A piece of French toast that was partially eaten by Justin Timberlake sold on eBay.
13. Many years ago, a fish was caught that was 33 inches long and seemed to be heavier than it should. When they cut the fish, fishermen found a full of bottle of ale inside it.
14. 95% of the entire lemon crop produced in the U.S. is from California and Arizona.
15. A common custom in Spain is to eat one grape for each of the last 12 seconds of every year for good luck.
16. A common drink for Tibetans is Butter Tea which is made out of butter, salt, and brick tea.
17. A one kilogram packet of sugar will have about 5 million grains of sugar.
18. A one ounce milk chocolate bar has 6 mg of caffeine.
19. According to Scandinavian traditions, if a boy and girl eat from the same loaf of bread, they are bound to fall in love.
20. According to legend, tea originated in China when tea leaves accidentally blew into a pot of boiling water.