Our world is filled with mysteries. If you think you know everything about our world, then think again. To uncover all the mysteries of the world even lifetime is not enough. There are so many things out there that we do not know about.

Here are 15 unknown facts about our world, you never knew about.

#1 The Mona Lisa has no eyebrows

The Mona Lisa is the best known, the most visited, the most written about, the most sung about, the most parodied work of art in the world created by the Italian artist Leonardo Di Vinci. It is also the most valuable painting in the world. The model, Lisa del Giocondo,was a member of the Gherardini family of Florence and Tuscany, and the wife of wealthy Florentine silk merchant Francesco del Giocondo. But did you notice that the she has no eyebrows?

#2 The sentence, “The quick brown fox jumps over the lazy dog” uses every letter in the English language

The quick brown fox jumps over the lazy dog is an English Pangram, which means that it is created in a way that the whole sentence uses all letters of the alphabet at least once. It is commonly used for touch-typing practice, testing typewriters and computer keyboards where the use of all the alphabets of english are required.

#3 The most common name in the world is Mohammed

According to the sixth edition of The Columbia Encyclopedia (2000), Mohammed is probably the most common name used by men and boys in the world, including variations. It is said that more than 150 million men and boys in the world bear the name Mohammed.

#4 Women blink nearly twice as much as men!

#5 It is impossible to lick your elbow.

And now you are trying to lick your elbow to see if it’s true!

#6 People say “Bless you” when you sneeze because when you sneeze, your heart stops for a millisecond

When you sneeze, the intrathoracic pressure in your body momentarily increases. This will decrease the blood flow back to the heart. The heart compensates for this by changing its regular heart beat momentarily to adjust. However, the electrical activity of the heart does not stop during the sneeze.

#7 Each king in a deck of playing cards represents great king from history.
Spades – King David
Clubs – Alexander the Great,
Hearts – Charlemagne
Diamonds – Julius Caesar.

#8 The “sixth sick sheik’s sixth sheep’s sick” is said to be the toughest tongue twister in the English language.

According to the Guiness Book of records it’s the most difficult tongue twister in the world

#9 What do bullet proof vests, fire escapes, windshield wipers and laser printers all have in common?
Ans. – All invented by women.

#10 Honey is the only food that doesn’t spoil.

#11 A snail can sleep for three years.

#12 All polar bears are left handed.

#13 American Airlines saved $40,000 in 1987 by eliminating one olive from each salad served in first-class.

#14 Rats multiply so quickly that in 18 months, two rats could have over million descendants.

#15 Most lipstick contains fish scales.