Facts that you probably don't know

5 little-known but very interesting scientific facts:

1) It turns out that not only birds build nests. Gorillas do that, too. They make nests of curved branches and soft foliage and sleep in them.

2) Red juice which comes out of steak while frying it actually isn’t blood, but myoglobin, so to speak, the close relative of blood. When steak appears on the counter of a supermarket, it doesn’t comprise even a drop of blood.

3) As a rule, the wool of household pets doesn’t become the reason of allergy. It is usually caused by their saliva or the particles of dead skin. If you wash your pets more often, your allergy will disappear.

4) When you hold a sea shell to your ear, you think that you can hear the waves of the sea, but in fact, you listen to the noise of blood running through your veins. You can also do that thing with the help of an ordinary teacup.

5) Dolphins don’t drink water. They meet their need for the liquid through food which they eat. As you can see, there are a lot of thing in the world that we don’t know.

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