Questions we have ever asked ourselves - Where did the surnames come from? and much more!

Hello steemian, a cordial greeting, Today I want to answer some questions that have surely been asked sometime in life, I hope you enjoy

Where did the surnames come from?

Source

In ancient times people were organized in small villages where all the inhabitants knew each other, so it was not necessary to use a following name or surname to recognize

It was until the middle age where the population began to grow and it was necessary to adopt a second name to know who it was, the surnames correspond to the place of origin of the person, trade or some distinctive feature

Example to this

The last name Rodríguez, Which means Son of Rodrigo or shoe rack which was used as the second name of the shoe manufacturers, others respond to a physical characteristic that distinguishes the person who adopted it, such as white, thin and blond

What is the hottest and coldest place on earth?

Source

The coldest place on the planet is in a mountain range of Antarctica where a temperature of less than -93 degrees Celsius was recorded, on the contrary, the hottest point of our planet is in the desert Lut in the southeast of Iran which reached 70 degrees Celsius in 2005, this place is so hot that if you leave an egg on the outside it would start to boil from inside

Why do we feel we fall asleep?

Source

This is about a harmless condition called hypnic shock, It is very normal to experience this sensation after a day of intense physical or mental activity, since at the moment that we put ourselves to rest the body enters a total state of relaxation, While your body is completely relaxed your brain is still active, which causes a short circuit in your brain which reacts by sending an adrenaline rush so we wake up

Why do we feel we drown when we bathe in cold water?

Fuente

This phenomenon is recognized as a reflection of puff, which is an involuntary reaction of our body that makes us aspire as much oxygen as possible to improve our survival options, in those instants your heart rate accelerates and short of breath for a few seconds, which gives the sensation of drowning

Why does the grass smell when cut?

Source

One of the favorite aromas of people is the smell of freshly cut grass, but did you know that this pleasant smell is really a cry for help?

When attacked the plants release compounds in the air that tell nearby creatures to come is their help, the smell is nice for predators precisely because they are the ones who could kill the insect

Is it bad to swallow your snot?

Source

No doubt it is a custom that we all find disgusting, but although many deny it, we have all done it sometime in our lives, for the immune system the nose is a great filter in which a large amount of bacteria is collected, this mixture will reach your intestines and act in the way that a vaccine would, by introducing small doses of bacteria into your body it strengthens and creates resistance to organisms that could harm you in the future

I hope that my post has been to your liking, and with this I conclude my information:)