7 Stunning Unknown Facts to Know

There are so many facts, which are unknown to many people in the world. Sometimes people think that they know all the facts about the world. It is not possible. There are so many fun facts and some are crucial but unknown to many of us. Some of the facts may emerge as very weird to you. Let’s check them out…..

1. Dolphins sleep with one eye open:

What do you do when you sleep? The answer is very simple- you close your eyes when you sleep. But, in the case of the dolphins, they sleep with one eye. That means they keep one open and another closed when they sleep. Among the two brain hemispheres of dolphins, only one sleeps, and another remains active. It is known as Unihemispheric slow-wave sleep.

2. Hot water turns into ice faster than cold water:

You will be astonished after knowing that hot water turns into ice faster than cold water. It might sound odd to you. But, it is true. Cold water may contain more dissolved gases, which lowers its freezing position.

3. Camels have three eyelids:

There are so many uncommon things among animals around the world. But, the basic characteristics are common in most animals. There is a very unusual exception in camels. Do you know that camels have three eyelids? It is believed that the eyelids protect their eyes from blowing sand.

4. Honey doesn’t spoil:

Honey is the only food that does not need a refrigerator or processing. It doesn’t spoil. Generally, honey does not get spoiled. But it only tastes bad, when it is contaminated with something or stored in the wrong manner. It is naturally acidic. Bacteria can’t survive here.

5. A snail can sleep for three years:

How long can you sleep at a stretch? Don’t think too much. You can’t beat a snail in this matter. Snails need moisture to survive. If the weather gets rough, they go into hibernation. The hibernation period can last for three years. Yes, they can go to sleep for three years.

6. Spain’s national anthem has no words:

Will you believe that the national anthem of Spain has no lyrics? Yes, it is true. The anthem is also known as the Marcha Real (the Royal March). It appeared for the first time in 1761.

7. A shrimp’s heart is in its head:

It can be unbelievable to you. But, a shrimp’s heart indeed remains in its head. Not only the heart but also the stomach is in its head. Shrimps have no bones or teeth.