The pop you hear when you crack your knuckles is actually a bubble of gas burning.
Elvis Presley was just 22 years old when he paid US$102 500 for Graceland the Memphis mansion that served as his home base for two decades.
Squirrels cannot see the colour red.
The Movie "Paranormal Activity" cost less than $15 000 to make but grossed over $193 000 000.
Two and a half time more Barbies are sold every year than babies are born in the U.S.
Coffee is most effective if consumed between 9:30 am and 11:30 am.
Brazil is the world's first country to ban tanning beds.
When the first prototype of Apple's iPod was shown to Steve Jobs he dropped it in an aquarium and used the air bubbles to prove there was empty space and it could be made smaller.
A clean mouth has between1 000 and 100 000 bacteria on each tooth.
Elephants are scared of bees.
Sprite may be one of the best remedies for hangovers according to studies.
Maine is the only state (in USA) whose name is just one syllable.
There's an island in Japan that's full of rabbits.
Daniel Radcliffe's stunt double for the first 6 Harry Potter movies was paralyzed from an accident on set in the 7th movie.
In China you can major in Bra Studies.
Dogs were used as messengers in WW1 carrying orders to the front lines in capsules attached to their bodies.
All three Grammys Elvis Presley won were for his gospel songs.
Christianity is severely persecuted in at least 27 countries.
The Titanoboa lived 60 million years ago and is the largest longest and heaviest snake ever discovered.
In Canada Mexico India Russia and Israel bank notes have Braille-like markings on them for the blind.
The population of Jews in the world is similar to the margin of error in the Chinese census.
In the Philippines MABUHAY means Hello.
Leonardo Da Vinci's Mona Lisa became the world's most famous painting after it was stolen from the Louvre in 1911.
Most lipstick contains fish scales.
People experience better sleep during the new moon and worse sleep during a full moon a study found.
Columbia University is the second largest landowner in New York City after the Catholic Church.
Drug lord Pablo Escobar had so much cash that rats ate almost $1 billion of his money each year.
Dolphins sleep with one eye open.
Abraham Lincoln is the only U.S. president to have obtained a patent.
In the 1st century AD polar bears fought seals in Roman amphitheaters flooded with water.
Most Romans avoided being cruel to slaves. They used bonuses and branding to improve productivity just like modern employers.
The Statue Of Liberty Was Inspired By The Roman Pagan Goddess Libertas.
Kokura Japan was the original target of the atomic bomb that landed in Nagasaki.
Most household dust is made of dead skin cells.
The plastic things on the end of shoelaces are called aglets.
The largest taxi fleet in the world is found in Mexico City. The city boasts a fleet of over 60 000 taxis.
The giant panda spends around 55% of its life collecting preparing and eating bamboo.
47%of the U.S. remains unoccupied despite having a population of 310 million.
Maine is the only state whose name is just one syllable.
More than 100 000 babies are born addicted to cocaine each year in the U.S. due to their mothers' use of the drug during pregnancy.
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