Facts Of Interest

How much water is in us ?

The amount of water in our body depends on our age. Characteristically, a six-week embryo, which formed the rudiments of the basic systems of the future body, 97% consists of water, in newborns its amount decreases to 77%

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Why aren’t the letters on the keyboard in alphabetical order?

The arrangement of letters on a computer keyboard is a legacy of typewriters that appeared in the 19th century.

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Why don’t clouds fall to the ground?

Everyone knows that clouds comprise tiny water droplets or ice crystals. The water droplets in a cloud vary in diameter, from fractions of a micrometer to several millimeters. No matter how small the ice droplet is, it is still heavier than air

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Why shouldn’t anthills be destroyed?

The answer is simple: because ants are useful! But before discussing the benefits of ants for humans and the forest biocoenosis, we would like to emphasize that destroying anthills is just as unacceptable as any destructive

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Why can’t you divide by zero?

It’s because the four actions of arithmetic-addition, subtraction, multiplication, and division-are actually unequal. Mathematicians recognize only two of them - addition and multiplication - as valid.

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Why do windows fog up?

If on a sunny day you put a clean empty glass upside down on a hollowed bed or on a lawn with grass, after a while you can notice an interesting phenomenon

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Why do my muscles hurt after physical activity?

Everyone is familiar with muscle pain after heavy physical activity, especially if a person has not exercised for a long time before. This pain occurs 4-6 hours after exercise, and on the second day it increases. Here’s why it happens.

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Why is Antarctica the coldest continent?

The coldest areas on Earth are the poles. The Earth’s poles are cold because the sun’s rays do not strike the Earth obliquely.

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Why and how fish breathe under water

Dogs, people, and fish breathe for the same reason. Everyone needs oxygen. Oxygen is a gas that bodies used to produce energy.

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