Hello community, what's up?
Today I will show you 4 facts that you probably did not know, that will surprise you.
Quantity of lipstick

Did you know that the average woman uses 3kg of lipstick in her entire life. Can you imagine if they applied all that amount in one day? O.O
Shave the eyebrows.

Source of image: https://goo.gl/on12n9
In ancient Egypt people used to cut their eyebrows to mourn the death of their cats. This was considered a symbol of mourning. So if you saw someone with no eyebrows you would know why.
Honest doctors.

In ancient China, doctors only received the fees if the patient they treated improved some time later. If the patient did not improve the doctor had to return the paid by the patient. I hope that the news is like this, right?
Niagara Falls without water?

Source of image: https://goo.gl/fJMSdY
Currently Niagara Falls carry a flow of 110 thousand cubic meters per minute, something like 3000 tons of water per second. But this was not always so, in 1848 the cataracts stopped transporting water, the culprit of this was a large piece of ice that is jammed in the narrowest channels of the river. After 30 hours the ice melted and the water flowed again.
If you want to continue with more curiosities, you can follow me.
If you want to see the previous post visit the following link:
https://steemit.com/technology/@alexicp/3-technologies-of-the-future-3rd-part