DID YOU KNOW:
Our planet has more trees compared to stars in the solar system.

Were you aware of this fact?
? - Yes
? - No, I did not know
❤️ - It's an interesting fact

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It's hard to believe, but..

The DNA of all living people could fit in one teaspoon and would weigh less than 1.2 grams?
@edsciencelab?

WHY can't a person sleep standing up? The human body is too flexible for a person to stand perfectly still, like a statue. In order to maintain an upright position he needs constant work of his muscles (mainly leg muscles), as well as muscle receptors and…

WHY can't a person sleep standing up?

The human body is too flexible for a person to stand perfectly still, like a statue. In order to maintain an upright position he needs constant work of his muscles (mainly leg muscles), as well as muscle receptors and vestibular apparatus, which signal even the smallest deviations from the upright position.

The brain ensures the coordination of such work, but it cannot do this during sleep, so a person who falls asleep standing up will immediately fall down. But even if you don't let him fall, say, by clutching him in a crowd, he will only sleep for a few minutes.

During one of the phases of sleep (called REM sleep), most of the skeletal muscles are almost completely relaxed. A person in such a state will simply "flow" to the floor.

@edsciencelab

The brains of cockroaches carry some serious antibiotics, strong enough to slaughter bacteria that have evolved resistance to the hospital antibiotics we use.
@edsciencelab?

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