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"Nonsense, it's all nonsense!"

"How can locusts be poisonous?"

"Sometimes it's poisonous, sometimes it's five poisonous."

"It's just so unscientific."

The emperors rolled their eyes, do you know what science is?Just use this mantra.

And the other emperors were also extremely concerned about this issue, and they couldn't figure it out.

Friends of wives:

"Chen Tong, anyway, we have plenty of time now."

"Just tell us a good story, why are locusts not poisonous when they live alone, but poisonous when they live in groups?"

"How to tell the difference?"

"Is it because the locusts gather together that they live in groups?"

The emperors are very concerned about this, because knowledge is power!

Only when they know more than the enemy can they be invincible.

Every emperor is very studious.

Knowing this secret, they have a lot of room to maneuver, and they will not be calculated by others like Li Shimin.

Li Shimin is very entangled now, he wants to find loopholes in Chen Tong's words.

If it is true that the locusts are poisonous, wouldn't he be harming people by ordering the victims to eat the locusts?

At this moment, Yang Guang, Wu Zetian, Cao Cao and others were all engrossed.

In Chen Tong's mind, he kept searching, and immediately typed the information he had seen before, after thinking about it.

Chen Tong:

"To understand why locusts are non-toxic when they live alone, but poisonous when they live in groups, in fact, you should learn what the theory of evolution is.

Survival of the fittest!

Locusts have natural enemies. In order to avoid the pursuit of natural enemies, they have to protect themselves.

It can be said that every living thing actually has a protection mechanism.

However, there are two protection mechanisms for locusts.

The first is physical protection.

When locusts live alone, their color is emerald green, which is the protective color mechanism.

In a physical way, the body and the environment are integrated into one color, so that it is difficult to be discovered by natural enemies.

And the locusts at this time are not poisonous.

However, when the locusts gather in groups on a large scale and they fly up overwhelmingly, the physical protection mechanism fails.

Because they are exposed to predators on a large scale, there is no environment to rely on.

At this moment, the locusts have entered the group protection mechanism. There is a kind of serotonin in their bodies, which quickly converts their genes and causes the genes to mutate.

Thereby synthesizing a pheromone called phenylacetonitrile, also called benzyl cyanide, molecular formula: , which is a moderately toxic toxin.

Locusts use it exclusively to drive away predators.

At this moment, the locusts have changed from physical protection to chemical protection.

Usually, many birds that eat locusts feel disgusted when they smell this smell, and they don't want to eat locusts anymore.

However, some birds still choose to continue eating locusts.

Then the locusts, the last protection mechanism will be activated, and their bodies will synthesize this pheromone phenylacetonitrile again and turn it into hydrocyanic acid!

Hydrocyanic acid, also called formnitrile, has the molecular formula: H, and this kind of thing is highly poisonous!

The lethal dose is 1 mgkg body weight!

During the war years, it was used as a biochemical weapon and killed countless human beings.

But at this moment, the locusts, because of the genetic mutation caused by serotonin, their bodies changed from the beautiful emerald green to the disgusting black.

Therefore, under normal circumstances, it can be distinguished whether locusts have entered the group protection mechanism and whether they have toxins.

It can be judged roughly by the color of the body.

Emerald green locusts are basically non-toxic.

And if there is a large area of ​​black on the body, it is poisonous.

There is also the smell. If the locust has a pungent and unpleasant smell, it is poisonous.

In the locust plague, all the locusts will immediately enter the group protection mechanism, so all the locusts in the locust plague are highly poisonous.

Although a large part of the toxins are volatilized by cooking, frying and steaming, a small part still remains in the locust's body.

Ingestion of large quantities will definitely cause poisoning.

In mild cases, damage to eyesight, nausea and vomiting.

If it is serious, it will die directly! "

The emperors really learned a lesson.

Although they don't know what evolution is, what is physical protection, what is chemical protection.

But all the emperors were dragons and phoenixes among men, and soon understood what Chen Tong meant.

That is, locusts can produce toxins for their own survival. During locust plagues, locusts are highly poisonous.

Emperor Wu of the Han gasped, this is really unpopular knowledge, but for the emperor, it is simply too important.

Otherwise, like Li Shimin, when the locust plague occurs, let the people eat locusts, how many people will be killed?

Although it is far away, the eternal sage will be killed:

"No wonder the locust plague is so terrible."

"Other things are flooding, such as rabbits and wild boars, which are basically sent to deliver food, and the common people can eat them all."

"But this locust is simply too terrifying."

Li Yuan let out a long breath, that's why!

Those people from aristocratic families must have discovered the secret of the poisonous locusts in the locust plague through long-term observation.

Then there are rare goods to live in.

Use this to count the emperor.

At this moment, he deeply understood what knowledge is power!

And what the real nobles want to inherit is these knowledge.

This is the capital with which they can stand above all living beings forever.

Knowledge is priceless.

At this moment, Zhao Guangyi was almost crazy.

He understood, but he absolutely couldn't believe it.

Great Song God of War:

"How is it possible, there are such weird bugs in the world."

"What genetic mutations, what pheromones, what protective mechanisms, they are all nonsense!"

"I do not believe!"

Li Shimin didn't believe it either, because if it was true what Chen Tong said, the locusts became poisonous by themselves.

So it means that the aristocratic family did not play tricks at all.

So, he was the one who killed those innocent people in Guanzhong.

He immediately walked out of the palace, saw locusts in the imperial garden, and grabbed one as soon as he stretched out his hand.

This locust is unusually emerald green in color and looks very beautiful.

He thought of what Chen Tong said, took the tip of his nose and sniffed it, and found that there was no peculiar smell.

Then, he ordered his personal guards to go to the fertile fields and catch many locusts.

Li Shimin was shocked when he compared the two locusts.

The locusts caught from fertile fields had no green on them at all, they looked extremely gray and black, and they were extremely disgusting.

Take it to the tip of your nose and smell it, there is a pungent smell.

But the one in the Imperial Garden obviously doesn't have one.

At this moment, Li Shimin's body swayed, and he knelt on the ground with a plop. He knew that he fell down this time!

Eternal Li Erxiong Lord Sinner:

"Really, it turned out to be true!"

"Locusts are poisonous!"

"I caught two just now, exactly as Chen Tong described."

.........

Suddenly, there was a dead silence in the chat group.

The emperors felt chills in their hearts, this creature was too terrifying.

And Zhao Guangyi's face was ashen, he knew that he was going to die!

Chapter 421 433. My son, am I pretty (please subscribe 1)

Great Song Palace.