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Liu Wei smiled slightly and saw some blush on the woman's sallow face. There was no need to guess. The villagers' scoldings must be unpleasant to hear, making it difficult for a cultural person to speak.

"It's okay, I understand them!" Liu Wei finally smiled.

After the woman apologized, she returned to the crowd and told the villagers something.

Liu Wei did not give up.

He was full of curiosity about the venom of the mutated double-headed cobra.

Is it true that its venom can kill more than twenty adults or even an adult elephant, as reported by the fighting national media?

The venom of ordinary Indian cobras is not as powerful as this.

There are two main types of variation in species.

One is to adapt to changes in the environment without changing genetic genes.

There is also a change in genetic genes. Gene mutations change the morphology, physiological structure, cell structure, etc. of the species.

Liu Wei believes that the mutation of the two-headed cobra belongs to the latter. The genetic mutation not only changes the appearance of its two heads, but may also change its venom.

He decided to stay and wait for a suitable time to remove the venom from the two-headed cobra and conduct a venom test.

It was not until the afternoon that the villagers discovered that Liu Wei had not left, so they set up a tent in an open space not far from the yard.

But he didn't enter the yard again, and the villagers couldn't curse him. Both sides turned a blind eye.

Soon, a military green off-road vehicle drove to the gate of the yard.

The car door opened, and a white man got out first. His age, hair style, and beard were similar to Lahar who Liu Wei met in the grassland.

Liu Wei was wondering, should there be another expert?

I met many experts along the way. It seems that wildlife protection in India is not easy to do!

After the white man got out of the car, two young men got out of the car and followed him into the yard.

Liu Wei picked up the live broadcast room and said with a smile: "Brothers, there is a good show to watch!"

He seemed to already know the result of these people entering.

Sure enough, when Liu Wei walked to the door, the three people who entered were surrounded by villagers and made a lot of noise.

"Are these villagers crazy? They scold everyone they see!"

"What do you know? That's faith!"

"The power of faith is really terrifying!"

Liu Wei faced the live broadcast room and smiled and said: "Brothers, the villagers are not so rude to just anyone they meet, but they meet people like us, because we are constantly experimenting with their main gods!"

"Awei, are the people inside also here for the two-headed cobra?"

Liu Wei smiled and said: "Otherwise! Look at the way they dress and the cars they drive. What else in the backcountry is worthy of their coming?

I guess he might be another expert!"

The audience laughed: "There are so many experts in India!"

Liu Wei stood outside watching the show.

The white people came out within ten minutes of entering.

The young man following the white man was a little angry and cursed: "Ignorance, stupid!".

The white man said: "Stop complaining and respect the local customs. It's a pity that a good research subject is lost!"

Liu Wei held the live broadcast room and leaned on the off-road vehicle. He turned back and smiled at the white man: "Maybe we can cooperate!"

The white man walked towards Liu Wei and asked curiously: "Who are you?"

"This is my business card!" Liu Wei took out his business card and said with a smile, "I was just chased out just like you!"

After reading this, the white man stretched out his hand and said, "Hello, Liu Wei, my name is Dennis, an expert on snakes and insects in India!"

Liu Wei couldn't help but smile. He was indeed an expert, and the two shook hands.

"Are you here for the two-headed cobra too?" Dennis asked.

Liu Wei: "Let's talk in another place!"

Dennis followed Liu Wei's tent, and the two young men who followed him drove the car to a hidden location.

Liu Wei sat down and lectured: "My teacher is a famous expert on venomous snakes in China. I was passing by and heard that there was a two-headed cobra here, so I wanted to come and have a look, but the villagers kicked me out!"

Dennis said helplessly, "Hey, this is our third time here. The two-headed cobra has always been the object of study, but as you know, the villagers regard it as their main god, and there is nothing I can do about it.

The local government has also come forward to help us, but they are still unwilling to hand it over, but I don’t want to give up. The survival time of this mutant snake in the wild will be very short. If you want to extend its lifespan, we must rescue it!”

Liu Wei patted Dennis on the shoulder and expressed that the two of them felt sorry for each other at this time. Liu Wei asked curiously, "Is there a specimen of double-headed cobra venom in India? Can it really poison an elephant?"

Dennis shook his head, "No, our research on the two-headed cobra is still at a blank stage!"

Liu Wei smiled and said: "Come on, we will soon know how toxic it is!"

Dennis wants to study more than just the venom of the two-headed cobra, but now he can't persuade the villagers to hand over the snake. If he can measure its venom, it can be regarded as a zero breakthrough.

Thinking of this, he opened his eyes and thought carefully about Liu Wei's words. He felt that Liu Wei was about to take action and asked, "What are you going to do?"

Liu Weidao: "Look at the surrounding environment. Except for farmland, there is no environment suitable for cobra activities. I saw a two-headed cobra today. It seems to be very dependent on the food given by the villagers, so it will not run too far. Dark areas around the yard are the best places for it to be hidden.

We have all been kicked out once, and the villagers must have become suspicious. When they go out to work in the afternoon, when the temperature has just dropped, we will search in the cracks in the walls around the yard. By that time, the two-headed cobra will come out and move around. .

It is impossible to take away the snake, but there is still time to take away its venom while they are not paying attention!"

Dennis suddenly realized, "How can I help you?"

Liu Weidao: "Although the two-headed cobras share the same body, they have separate heads, eyes, mouths and fangs. You and I will take the venom at the same time!"

"You can try it!" Dennis couldn't wait to study this mutant poisonous snake, and reached a cooperation agreement with Liu Wei.

When the sun is about to go down, the villagers will go out to work for the last time.

When they passed by Liu Wei and Dennis, their eyes were a little unkind, but Liu Wei still responded to them with a smile.

Seeing that there were only a few children playing in the yard and every household was busy making dinner, Liu Wei called Dennis and set off.

"Brothers, we need a quick victory, so we won't take you with us. I'll show you the poison testing site later!" Liu Wei whispered.

"ojbk!"

"gkd, Ah Wei!"

The audience is also urging Liu Wei.

With their hands free, Liu Wei and Dennis took the poison cups and put them in their pockets, wandering around like idlers.

Walking along the boundary between the yard and the farmland, Liu Wei was right.

A two-headed cobra emerged from a crack in the stone.

Its body was relatively small, and Liu Wei controlled it easily.

Looking at each other with Dennis, the two began to take the poison.

The two-headed cobra bites two poison cups respectively, and two drops of venom drip out from the venom glands.

Liu Wei observed, "The amount of detoxification is very small, it's gone!"

Dennis guessed: "Maybe it has something to do with its body size!"

"Okay, let's release him!" Liu Wei let go of his hand, and just as he walked out, he met the villagers again, and the villagers' eyes scanned them.

Liu Wei smiled and waved, and he and Dennis quickened their pace back to the camp.

"Is there any experimental equipment in the car?" Liu Wei asked.

Dennis nodded and said: "Some simple equipment!"

"Try it!" Liu Wei said.

Dennis nodded.

He drove the car over and took out a cage of white mice from the trunk, about forty or fifty of them, as well as some injection tools and professional lab coats.

Liu Wei directly handed the extracted snake venom to Dennis, "You come on! I will broadcast live and tell the audience about testing snake venom!"

The two young men brought by Dennis set up a simple workbench. Dennis put on his lab coat and started operating.

Liu Wei explained while filming: "Brothers, I have taught you the test standards for snake venom before. Compare the ld50 value, which is the value of the half lethal dose. The lower the value, the more toxic it is.

First, Dennis needed to dilute the removed snake venom into different concentrations and inject it into the bodies of mice.

The four indicators of semi-lethal concentration are 24 hours, 48 ​​hours, 72 hours and 96 hours, so this is a long experiment.

Count the number of dead mice in each period of time, and then use the mathematical formula of the half-lethal dose, the mass of the toxic substance/the weight of the experimental organism, and finally get the toxicity of the venom.

Since there is no special equipment to protect the venom we removed, in order to make use of the venom before it deteriorates, we are now doing this experiment on site.

It may be a little rough, but with a professional expert on snakes and insects like Dennis, the error should be minimal!"

Dennis listened to Liu Wei's speech and interjected, "I have done tens of thousands of experiments to test snake venom, and I guarantee that today's experiment will not fail!"

Liu Wei nodded, "I believe in your professionalism!"

The young man who followed Dennis was busy recording relevant data, but Liu Wei felt relaxed and could play with the dog. He only wanted one final answer, which was what was the LD50 value of the venom of this double-headed cobra?

…

After calculating all indicators, the final data given by Dennis was 0.0025mg/kg.

When he heard this value, Liu Wei was surprised for a moment.

"What's going on? Ah Wei!"

"what's the result?"

“Can you poison an elephant?”

The audience has been waiting for such a long time, and they can't wait to get a result from Liu Wei.

Liu Wei came back to his senses and said: "Brothers, our previous suspicions have not been confirmed. The ld50 value of the double-headed cobra's venom is 0.0025mg/kg, second only to the most venomous snake in the world, the Australian inland Taipan snake. Its ld50 value is 0.0021mg/kg, so there is a high probability that the Russian media reported that a two-headed cobra can poison an adult elephant!"

"Damn it, are you so awesome?"

"It overturned my world view!"

"It's better not to touch the mutated thing, let it continue to be the main god in the hearts of the villagers!"

"This is the fucking God of Death! Return the Lord!"

Various exclamation emoticons scrolled on the screen in the live broadcast room.

Dennis pulled Liu Wei's body and said, "Come here and see the mice that died in the experiment, as well as new discoveries!"