Unbelievable Facts

Here are some extremely interesting facts you won't believe are true. Well, it is not really that hard to believe some of them but some are truly unbelievable. Read them below.

Sharks have been living on Earth for more than 400 million years a go and have changed very little. It is important to note that is 200 million years before dinosaurs roamed the Earth.

A single adult blue whale can eat up to 40 million krill in a day.

A dog's sweat glands are in its paws and dogs have three eyelids.

When the blue whale exhales, the spray from its blowhole can go 30 feet high in the air.

Wolves use scent marking for marking territories and to mark fresh kills. They have 200 million scent cells as compared to only 5 million of humans. This helps a wolf smell other animals from more than a mile away.

Heads of the hammerhead sharks are soft at the time of birth so they won't jam their mother's birth canal.

Did you know that our brain is 77 to 78% water?

While Africans are only 16% of world's population, it is estimated that a quarter of world languages are spoken in Africa.

Your brain generates enough power(while you are awake) to light a small bulb. The power generated can be about 23 watts.

Crocodiles can eat prey underwater and on land. On land they can attain a speed of 28 mph while running.

Under some conditions a wolf can hear voices from 6 miles away in the forest and in open, it can hear up to 10 miles away.

Laughing requires activities in 5 different areas of your brain so it is not a simple task to laugh.

Did you know that the Beluga whale was first discovered in 1719 by Spanish explorers.?

A jellyfish is about 95% water. It has no brain, skeleton, outer shell and nervous system.

Africa is the second largest continent in land area and is about 22% of the total land area of earth.

About 16% of world's population resides in Africa and Nigeria is the most populous African country and Egypt comes next to it in population.

Brain makes only 2% of the human body's weight but uses 20% energy.

Did you know that crocodiles replace their teeth once every two years?

A jellyfish's digestive system has only one opening. It eats food through its mouth and after digestion, waste is excreted through the mouth.

Snakes can have more than 300 pair of ribs and they turn blue before a shed.

Squirrels have such long tails to help them balance when they go up and down on trees.

Snakes are deaf by birth and feel vibrations of the surroundings through their jawbones.

Dolphins do not use their teeth to chew. Their teeth are for grasping and they lack jaw muscles required for chewing.

Did you know that native Americans in Florida used the teeth of Great White sharks as arrowheads?

After eating a sumptuous meal, snakes can survive for days without having food due to their slow metabolic rates. King cobras can survive without food for months.

Sharks do not have a single bone in their bodies and they can be found in all oceans around the globe.