"Pesticides to exterminate locusts can solve temporary worries."

"But over time, the locusts will gradually evolve resistance, and the drug will not work."

Qin Fan said.

Hearing this, Li Shimin was shocked.

"Can this locust evolve? Could it really be that God sent disaster to Datang? ”

Seeing Li Shimin say this, Qin Fan's face darkened:

"The evolution of locusts is a natural law, and what does it have to do with the heavens? Linking natural disasters to the immorality of the monarch at every turn is of no use to solving the problem. ”

"It's just passing the buck!"

Although he was reprimanded by Qin Fan, Li Shimin didn't care.

On the contrary, a little happy.

After all, Qin Fan was fighting for himself, the king.

"Qin Fan boy, what is the evolution of this locust, you can tell me!"

The eldest grandson Wuji on the side asked.

Qin Fan glanced at the other party: "Even if you don't ask, I plan to say it too!" ”

"The so-called locust evolution, let me make an analogy with you."

"For example, there is a disaster in Chang'an, and ten rooms are empty."

"Nonsense!" The eldest grandson Wuji said angrily.

"When did Chang'an get sick!"

Qin Fan was helpless: "I'm just making an analogy." ”

"Even an analogy won't work." The eldest grandson Wuji blew his beard and stared.

"Okay, okay!"

Qin Fan cleared his throat: "Then Tubo has caused a disaster." ”

When the eldest grandson Wuji heard this, he nodded and said, "That's right!" ”

Qin Fan's face turned dark: "Don't interrupt!" ”

"If there is a disaster in Tibet, ten rooms will be empty."

"All the emaciated people are sick and die, and only some of the stronger can resist it."

"In this way, those who are thin and weak will be eliminated naturally, and the offspring of those who are strong will also have a certain resistance to diseases!"

Hearing this, the eldest grandson Wuji retorted: "This may not be! If you say so, won't only some of the strongest men be left in the end? ”

"And those people are incomprehensible!"

Qin Fan nodded and said, "Theoretically, this is the case, but there are many variables in it. ”

"What is a variable?" Li Shimin wondered.

Qin Fan opened his mouth and said, "I'll give you one or two examples. ”

"We humans are a variable in our own right."

"Originally, this disease could only be lived and died, and those who were selected for such a long time were strong people who could resist this disease."

"But you can't sit still, can you? So there were healers like Shennong. These treatments are the right medicine to cure the disease. ”

"In this way, those thin people who should have been eliminated by nature were rescued by the wonderful hand of rejuvenation."

"If you say this, I'm afraid you're going to be attacked by the world!" The eldest grandson Wuji gloated.

"I'm just telling the facts objectively! It doesn't say that healers are bad at healing the sick! On the contrary, it is precisely because of the birth of healers that our human civilization can continue so brilliantly. ”

Li Shimin also nodded with deep understanding.

If there were no healers, I am afraid that I would have died violently on the battlefield due to wound infection!

And the vast majority of the soldiers under his command have been cared for by doctors.

"That's one of them." Qin Fan stretched out two fingers.

"As for the second one, it's that these diseases will evolve too!"

"Diseases evolve too?" Li Shimin was shocked again.

"If so, how do we fight it?"

Qin Fan waved his hand and said, "Don't worry. It's not so much the evolution of diseases as the evolution of the bacteria that cause them and the viruses. ”

"If you want to know more, you might as well come to my small courtyard and borrow a microscope to observe, and you can see the bacteria and viruses I said."

"What is a microscope?" The eldest grandson Wuji wondered.

Hearing this, Changle stretched out his hand.

"I know, I know!"

"That microscope was invented by Qin Gongzi, and it can magnify objects a hundred times or a thousand times (this chapter is not finished!) )

Chapter 170: Evolution?

Fold. ”

"Let's see with the naked eye the little thing!"

Hearing this, Li Shimin couldn't help but speak: "Magnify a thousand times? ”

Qin Fan nodded and said, "Back to the topic, the virus is evolving, but our doctors are also constantly researching, so I believe that we will always be able to defeat them." ”

"In this way, you should understand how locusts evolved!"

Li Shimin stretched out his hand and gestured: "You mean, some strong locusts have eaten the kind of pesticide in your mouth." ”

"But instead of being poisoned, he survived, and through reproduction he gave birth to offspring. Can its offspring resist the pesticide? ”

Qin Fan affirmed: "That's probably it, but it's not absolute, some locusts won't be killed by medicine, but their descendants can't resist this pesticide." ”

"It's all about genetic inheritance."

"It's like a fat child, not necessarily a fat man! Smart people can also give birth to stupid children. ”

"But in general, it is still the majority of children who follow their parents."

Li Shimin nodded: "I understand." ”

"Brother Qin, what you mean is that if we use that pesticide this time, the effect will be excellent, but it will not be as good as once we use it in the future."

Qin Fan bowed: "That's right." So this time, I can try to make a batch of pesticides and distribute them to all parts of Datang. ”

"But in the coming year, it's better to use other measures!"

Li Shimin grinned: "Anyway, at least this year's locust plague doesn't have to worry too much." ”

"As for next year, it's a big deal to let the people plant potatoes, and there is also the creature that Brother Qin said, exterminating locusts."

"If it doesn't work, let the merchant ships bring back grain from other countries."

Qin Fan patted his head and said:

"Hearing you say that, I remember something."

Hearing this, Li Shimin raised his eyebrows and said, "What's the matter?" More important than locusts? ”

Qin Fan shook his head and said, "This matter is related to the control of locusts. ”

Hearing this, the eldest grandson Wuji was anxious: "Then why don't you say it quickly?" ”

Qin Fan glanced at the other party sideways, didn't pay attention to it, just continued his rhythm and said:

"In the southwest of our Datang, there is a continent across the ocean, called Africa."

"It's home to black people."

Hearing this, Li Shimin was puzzled: "Black race? Brother Qin, are you talking about Kunlun Nu? ”

Qin Fan nodded and continued: "Yes, in the hometown of that Kunlun slave, there is a kind of chicken called guinea fowl. ”

"Not only is the meat fat, but it also likes to eat locusts."

"It's a great choice for biological locusts!"

"When the caravan returns from Europe, you might as well let it take a detour and bring some back to Datang for reproduction."

Hearing this, Li Shimin frowned and said, "What is the danger in Africa?" ”

Qin Fan pondered for a moment and said, "There are many fierce beasts in the African grassland, but we can hire natives to help us capture them." ”

"The route to Africa, I'll give it to you when I get back."

Li Shimin's worries disappeared, and he naturally agreed again and again.

Chapter 170: Evolution?