22 strange cold knowledge that really exists, even in the future, that are not easy to understand.
pet
First, petting can reduce psychological stress.
The entire body of the second horseshoe crab has eyes, and there are 10 of them in total.
Studies have shown that chronic sinusitis affects the function of the brain.
On average, one in every 2,000 babies is born with teeth in their mouth.
Some starfish will survive with a severed limb when they encounter danger, and the severed limb that has fallen off the body can be re-developed into a starfish.
grape
The grapes will not ripen again after they are plucked.
Hippos and whales have a common ancestor.
When the black-browed snake is frightened, its body will stand upright in an S-shape.
Nine Boxing Crabs will hold a poisonous anemone in their hands and use it as a punch to attack the enemy.
Pigs are actually very clean animals, and they do not excrete feces where they eat, drink and sleep.
Mushrooms
Eleven oyster mushrooms are a very rare carnivorous mushroom.
Until 1800, 43% of the world's people still lived for no more than 5 years.
Cotton can grow into trees, but trees that are too tall are not conducive to agricultural production.
The chair cover was invented to prevent furniture from being stained by men's head oil on men's heads.
During pregnancy, if the pregnant woman's internal organs are damaged, the baby will transport stem cells to the damaged location to speed up healing.
current
The movement speed of the electrons is actually very slow, but the directional current is very fast.
The unpleasant smell that comes out of the mouth when you wake up in the morning is mainly because there is no saliva produced in the mouth at night.
Eighteen · sleep is the fat supply accounted for the largest proportion of "exercise", in other words, sleep well can also lose weight.
Around the 1830s, ketchup was used as a remedy for rheumatism, eczema, or diarrhea.
Almost all the matter in the universe is empty, and if the space in the human body is taken away, the volume of all human beings added together is only the size of a piece of sugar.
mantis
Twenty-one mantis launches an attack that takes only 0.01 seconds to complete.
Putting the conch on the ear, the sound heard is composed of the reflected sound of the surrounding environment and the sound of blood flowing in the body.
(This article is original by 'Shou Zhu Do Not Wait for Rabbit', please do not reprint without permission!) Share the coldest, latest, most comprehensive and most interesting cold knowledge every day! Like to remember to pay attention to Oh ~ picture materials are from the source network if there is infringement, please contact to delete. ）