Some Interesting Facts

Some interesting facts

India.

Arabic numerals were not invented by Arabs, but were invented in India by the Hindus.

India has the most post offices in the world.

India used to be the richest country in the world until the British invasion.

Indian railways is the largest employer in the world, employing over 1.3 million people (2017).

Humans.

All babies are colour blind when they are born.

Humans are born with 300 bones. However they get reduced to 206 when we reach adulthood.  This is because many of them join together to make a single bone.

People generally read 25% slower from a computer screen compared to paper.

Seven percent of our body weight is made up of blood.

The human heart can create enough pressure that it could squirt blood at a distance of thirty feet.

The palms of our hands and the soles of our feet cannot tan, or grow hair.

The right lung of a human is larger than the left one. This is because of the space and placement of the heart.

The smallest bone in the human body is the stapes bone which is located in the ear.

Every day the human stomach produces about 2 litre of hydrochloric acid.

A yawn usually lasts for approximately six seconds.

Humans and cows have the same gestation period, which is about nine months.
One out of 20 people have an extra rib.

Our eyes are always the same size from birth, but our nose and ears never stop growing.

Lack of sleep can affect your immune system and reduce your ability to fight infections.

We can only smell 1/20th as well as a dog.

When you sneeze, all your bodily functions momentarily stop, including your heart.

Animals, insects, etc.

A cockroach can change directions up to 25 times in a second.

A cow has four compartments in its stomach.

A snail can crawl across a razor blade without getting injured. This is possible because they excrete a slime that protects them.

Lions cannot roar until they reach the age of two.

Mosquitoes have teeth.

Mosquitoes prefer children over adults.

One of the most dangerous insect in the world is the common housefly. They carry and transmit more diseases than any other animal in the world

The tallest mammal in the world is the giraffe.

One female mouse can produce up to 100 babies a year.

Cows are able to hear lower and higher frequencies better than human beings.

A giraffe can go longer without water than a camel.

Countries.

Bhutan issued a stamp in 1973 that looked like a record and actually would play the Bhutanese national anthem if placed on a record player.

Silk was developed in China were it was kept a secret for more than two thousand years.

The only South East Asian country that has never been colonized by a Western Power is Thailand.

The wheelbarrow was invented by the Chinese.

Eatables and spice.

Grapes are grown around the world more than any other fruit.

The most expensive spice in the world is saffron.

The liquid inside tender coconuts can be used as substitute for blood plasma.

Honey is the only food that does not spoil.

Materials.

The material to build the Taj Mahal was brought in from various parts of India by a fleet of 1000 elephants.

Natural gas does not have any odour. In order to detect a gas leak, gas companies add a chemical that smells similar like rotten eggs.

Copper is the second most used metal in the world.

Starch is used as a binder in the production of paper. The starch coating controls ink penetration when printing.

The typical lead pencil can draw a line that is 55 KM long.

Others.

Airports at higher altitudes require a longer airstrip due to lower air density.

Each king in a deck of playing cards represents a great king from history. Spades - King David; Clubs - Alexander the Great; Hearts - Charlemagne; and Diamonds - Julius Caesar.

Istanbul is the only city in the world located on two continents.

No piece of paper can be folded in half more than 7 times.

The name Jeep came from the abbreviation used in the army for the "General Purpose" vehicle, G.P.

Water expands 9% when it is frozen.

The first product of Sony was the rice cooker.

The oldest known disease in the world is leprosy.

The first British ship to use the SOS distress signal was the Titanic.

The search engine Google got its name from the word "googol," which refers to the number one with a hundred zeros after it.

The abbreviation "LASER" stands for "Light Amplification by Stimulated Emission by radiation.