Ostrich, the largest of all living birds sometimes swallow stones to help it digest its food.

Echidna, a variety of anteater lays egg though they are mammals.

Grasshoppers have ears located on the first pair of legs and they can hear.

A female oyster lays almost half a billion eggs in one season.

The giraffe is the tallest animal living on the Earth with a tongue as long as one and a half feet.

A variety of the insect cicada, found in the United States can live up to 17 years.

Both hair and nails develop from the horny layer of our skin. Our hair grows at the rate of 12 millimeters per month.

We are taller every morning than we were the previous evening but during the day, we begin to shrink.

There are about 20000000 tones of nitrogen above every square mile of the earth’s surface.

Talc is the softest mineral known to man.

The coldest temperature every recorded on earth was minus 89 degrees Celsius in Antarctica.

The center of the earth is believed to have temperature around 5500 degrees centigrade.

We produce 1.7 liters of saliva every day.

Dogs and cats are color blind.

Venus is the only planet in our solar system that rotates clockwise.

Tongue prints like fingerprints of humans are different from one another.

Human beings are born with 300 bones, but after reaching adulthood, they only have 206.

World’s first railways were grooves in a 6 km long limestone track known as ‘Diolkos’ in Greece built in 6th century BC.

There are around 4000000 different kinds of insects and only 625000 of them have scientific names.

Male Sikhs (Hindu religious community) do not cut their hair in the entire life.

Among birds, hummingbirds lay smallest eggs; some are only 6 millimeters in length.

Blue whales are the largest animals in the world; some can be over 30 meters long and weigh around 125 tons.

Hunting leopard (cheetah) is the world’s fastest mammal. It can run at a speed of 70 miles per hour.

The largest pearl found till date is 5 centimeters long and 10 centimeters round.

Some snails can carry weight of around 450 grams even though it weighs just 15 grams.

The Lydians of Asia Minor made the first coins (75% gold and 25% silver) in the 7th century BC.

In Germany and France, a child’s name must be chosen from an official list.

The pineapple is a collection of closely packed small fruits.

The Hindu religion was formed around 3000 years ago.

Bananas are actually herbs and banana plants are the largest plants on earth without a woody stem.

The primary religions in the world today are the Hindu, Buddhist, Confucianist, Taoist, Shinto, Zoroastrian, Mohammedan, Jewish and Christian.

Our heart beats over 103600 times in 24 hours.

Dolphins can sleep with one eye open.

From 2000 BC, civilization can be traced in Damascus (Syria) making it the oldest continuously inhabited city in the world.

In a day, deer sleeps for only 5 minutes.

Russia is the largest country in the world and Canada is second largest.

In US, Franklin State no longer exists. In 1788, it was incorporated into Tennessee.

Dragonflies are one of the fastest insects, flying 50 to 60 miles per hour.

Bat is the only mammal that can fly.

Butterflies have 12000 eyes.

A flea can jump 350 times its own body length.

The horn of a rhinoceros is made of compacted hair.

The woodpecker can peck twenty times in a second.

The same birthday is shared by about 10000000 people as yours.

A fruit of the giant fan palm (Lodoicea Maldivica) growing in Seychelles can weigh up to 44 lbs.

Acupuncture was first used in 2700 BC by Chinese as a medical treatment.

The sun is the closest star to Earth; the second nearest is 25000000000000 miles away.

Albatross can sleep while it is flying.

An average human drinks about 16000 gallons of water during his lifetime.

American opossum has the shortest gestation period around 12 to 13 days and the Asiatic elephant has the longest, around 608 days after conception.