Li Tai is an extremely smart child, well-read and knowledgeable, not to mention, many things can be remembered, and it is also worth calling it a genius, such a person is suitable for being a scholar but not for being an emperor, so he lost to Li Zhi, who is only 2 years old now, in the later battle for the throne.

Li Zhi is a group of dark horses, no one can look at him at present, Liu Fan actually wants to make friends, but Li Zhi, who was taken by the eldest grandson, is impossible to show Liu Fan, who has a general relationship with the royal family, after all, a two-year-old kid really has no desire to communicate, but this does not prevent Liu Fan from wanting to get close to him and then plant countless seeds in his heart, this small belly black future achievements are actually not under Li Shimin's rule, especially in the area of governing the country, but unfortunately when he really grows up, Liu Fan estimated that he didn't have so many desires at that time, and Liu Fan was afraid that he would be gradually swallowed up by the environment of the Tang Dynasty.

People are inert, even if this inertia is as strong as Li Shimin, he will sink into it, let alone Liu Fan a mortal, but fortunately, he has not yet, and he is still like a god looking at all living beings.

"Master, how can you see the oxygen in the air?" Li Tai sat on the ground, looking at Liu Fan with his hands on his cheeks.

Liu Fan smiled bitterly: "This is just a guess, I don't know if there is oxygen in our air, but since I was suffocated by suffocation by the fire in the house, I feel that the air in this world is not as simple as we imagined, but is full of various elements, so in the process of carbon combustion, countless gases will be consumed, leaving harmful gases, so people will die!" ”

"You can study chemistry later, and if you can figure out what the components of this world are, then Qingfinch, your name will shine in the world and be passed down through the ages!" Liu Fan said with a smile.

Li Tai blinked, shook his head again, and said, "This is too difficult, and this path is also very difficult, but you can give it a try!" ”

Liu Fan smiled: "Great goodness! ”

Sending Li Tai away, Liu Fan rubbed his face, in this form to fool Li Tai to specialize in a certain direction is actually somewhat inhumane, but this kid is smart, and there is the strongest foundation support of Datang behind him, if he can really study it in the future, it is not impossible, but when studying all this, Li Tai will also find that there are many, many problems that need to be solved, and these problems can indirectly promote the development of Datang science and technology.

The oil was finally found, Kong Ming Lantern turned into a huge hot air balloon, Wei Mo was constantly debugging the feasibility of ascending to heaven, experimented many times, and also killed many pigs, these pigs became dinner in the canteen, and the day of success would be very close, Liu Fan felt the need to disappear for a while to complete Wei Mo's feat.

When Liu Fan packed his bags and prepared to travel far, a piece of news broke Liu Fan's mind of wanting to travel, and Du Ruhui recovered!

Du Ruhui's recovery was full of shock, everyone worshiped the old gods as living bodhisattvas, otherwise why would a person be able to live in this world after being disemboweled?

Liu Fan was called by the old fairy to Du Ruhui's house for the final observation, this is the first time Liu Fan was really shocked by the old fairy's operation, he didn't expect it to be successful at all, and then thought about it carefully, probably down to two points, one is that there are not so many viruses in this era, and the human body's own resistance is very strong, and the other is that the old fairy is really awesome in the surgical operation, and he can understand the human body extremely thoroughly so that Du Ruhui can successfully walk around the ghost door and come back.

Seeing the old immortal again, he was very haggard, and when he saw Liu Fan coming, he said: "Many of the things you said are right, and it seems that Du Xiang can live at least another twenty more years!" ”

Liu Fan said, "How are you?" ”

"I'm okay, I just haven't rested much recently, and I've been staring at Du Xiang's body, fortunately, everything is fine!"

Liu Fan helped the old fairy to sit down, and the old fairy smiled bitterly: "I didn't expect that I could really succeed, but this disease will not be treated again in the future, this time it is a fluke, and the next time it is murder!" ”

"For people who are about to die, they will want to survive whenever they have the slightest chance, Du Xiang is an exception, and there will be exceptions in the future, this kind of surgery needs to be carried forward, and then continue to explore the experience from it, so that it can really progress!"

Sun Simiao sighed and said: "I don't know, but it is too difficult to train a healer, I hope that in the next few years, the old man can bring out some students who have really learned the ability!" ”

Liu Fan said in surprise: "Are you going to teach in the village?" ”

Sun Simiao nodded and said: "Now the old man needs to rest, if there is no special reason, he will not go to the clinic again, this matter has been known to His Majesty, and His Majesty has also promised to disturb the old man again if there is no special problem!" ”

Liu Fan nodded and said, "Then I'll go back and prepare!" ”

Sun Simiao glanced at Liu Fan and said, "That's fine, I called you over today to ask you another thing, that is, can people survive after changing their heads?" ”

Liu Fan directly shook his head and said, "It's completely impossible!" ”

Sun Simiao was silent for a moment and then said, "Forget the question just now!" Go in and see Du Xiang, he's looking for you! ”

Liu Fan was a little surprised, but still walked in, although Du Xiang in the house was lying on the bed at the moment, his face was still a little pale, and after seeing Liu Fan come in, he said, "You're here!" ”

"Liu Fan, see Du Xiang!" Liu Fan said.

Du Ruhui smiled and waved his hand and said: "Don't be so polite, speaking of which, this life was saved by you, and I actually want to thank you in person by inviting you over today!" ”

Liu Fan said with a smile: "I just suggested this matter, the main credit is the old immortal, the kid doesn't dare to take credit!" ”

Du Ruhui smiled and didn't mention this matter again, but said: "Do some things boldly, the old man will support you!" ”

Liu Fan looked at Du Ruhui puzzled, Du Ruhui didn't explain much, but waved his hand and closed his eyes to recuperate.

Out of the courtyard, the old fairy had already left, Liu Fan slowly pondered Du Ruhui's words, but he didn't figure out what the intention was for a long time, but one thing is for sure that he won Du Ruhui's favor.

Liu Fan didn't know what the old fairy and Du Ruhui said, but he could see that the old fairy was really good to himself, and he kept thinking about himself, thinking of this, Liu Fan was actually a little embarrassed, because a lot of the knowledge he provided was a half-understood theory in his previous life, and the old fairy was a real practitioner, and he could start to perform a mature operation in such a little theory.