Christmas and the Christmas festivals have many different customs that have been honoured for centuries. Here are some interesting facts about Christmas.

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We perceive the quality of a product through our senses, i.e. by seeing, smelling, feeling, tasting and hearing. It is less important whether the product delivers what it promises and is really of good quality, but rather our subjective perception in combination with what we associate with quality through advertising or experience.

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Suicide is rarely committed hastily and "in the heat of the moment". Rather, suicide is the last resort at the end of a long period of suffering. For those around a person at risk of suicide, it is important to recognise the signs of this danger in the person's behaviour.

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You probably know this about yourself: when you hear a recording of your own voice, you feel like crawling away. Your own voice sounds boring, thin and squeaky and so completely unprofessional. You are not alone in this, because it is quite normal to find a recording of your own voice stupid.

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It is said that fingernails, toenails and even hair continue to grow even after a person is dead. In films you occasionally see an exhumed corpse with fingernails that are centimetres long. But if the body is dead and thus no longer functional, how can it be that the nails still continue to grow?

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The history of official beauty contests for women goes back to 1952. The first winner of the title of "most beautiful woman" was Armi Kuusela, a 17-year-old Finn at the time. The beauty contest took place in Fontana and was not yet televised at first.

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Light rays need time to travel distance. To calculate how long sunlight takes to travel from the sun to the earth, you have to take into account the distance between the sun and planet earth.

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Every human being wants to be liked by others. We humans need the love and acceptance of others even to live. We tend to see all kinds of experiences rather in a negative light and often the reason why a society does not accept us is a wrong perception and interpretation of our personality.

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