9 interesting knowledge that you never expected
Here are interesting knowledge about things and objects that are very familiar to many people's lives but not everyone knows and almost never see appear in books.
1. Lipstick contains fish fins
In the cosmetic industry, there is an ingredient called guanine, also known as pearl essence. This ingredient is derived from fish scales and is used in many lipsticks to give a lip gloss effect.
2. The human body contains gold
Exactly, the human body contains 0.2 mg of gold and they are not enough to attack and damage health. This gold is found in the blood and plays an important role in the transmission of electrical signals throughout the body.
3. Eggplant contains nicotine
The seeds of eggplant contain nicotine at a concentration of about 100 nanograms per gram of eggplant. And you need to consume up to 9kg of eggplant to consume the amount of nicotine equivalent to 1 cigarette.
5. Dogs are as good at seeing TV screens as humans
Thanks to the high-definition flat screen TV, dogs can see the same image on the TV screen as humans. And they are also smart enough to recognize the animals that appear on it.
6. Bananas are radioactive
Banana is a familiar fruit to many people around the world. However, many people do not know that bananas contain the radioactive element Potassium-40. Of course, the amount of radiation in a banana is not enough to harm the human body. According to research, if you can eat 8 million bananas, you will be seriously radioactive and die.
7. Pigeons have the ability to detect breast cancer
In one experiment, scientists taught pigeons to distinguish between the tissue layers of healthy people and breast cancer patients. Those pigeons can then easily accurately detect and recognize the manifestation of human breast cancer.
8. Peeing in the shower saves more than 2 thousand liters of water per year
According to a study, if you pee in the shower and you shower once a day, you can save 6 liters of water by not flushing the toilet. Thus, a year you can save a total of 2 thousand water just by urinating in the shower.
9. Cows are named for more milk
British scientists conducted a survey of 516 cow farmers to study the relationship between milk volume and the naming of individual cows. The results showed that the named dairy cows were able to produce about 258 liters more milk than the unnamed cows in each 10-month cycle.
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