秘密の教室 2025年3月23日 血液型、花粉症…大人になる前に解くべき(秘)ミステリー
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00:00This is a work of fiction. Any resemblance to actual people, or events, or events, or events, or events, or events, or events, or events, or events, or events, are entirely coincidental and unintentional.
00:30Wow!
00:32That's crazy!
00:34That's a lot of money!
00:36This is a secret lesson
00:38by a teacher
00:40who has sealed her smile.
00:42What we teach in this class
00:44is not math, science,
00:46or society.
00:48It is a mystery
00:50that must be solved before you become an adult.
00:52Please acquire the knowledge
00:54and power to survive
00:56in this world.
00:58If you do not know
01:00this mystery,
01:02you have no right to become an adult.
01:06A Secret Lesson
01:16Let's begin
01:18the secret lesson.
01:20Now,
01:22one of the two Japanese
01:24has a hay fever.
01:26In fact,
01:28until 160 years ago,
01:30it was a disease
01:32that everyone wanted to be.
01:34What?
01:36Hay fever?
01:38She's left-handed.
01:40That's true.
01:42She was left-handed.
01:44Now,
01:46do you know
01:48why hay fever
01:50was a disease
01:52that everyone wanted to be?
01:54It dates back
01:58to about 160 years ago.
02:00After the Industrial Revolution,
02:02mechanical engineering advanced
02:04and the city developed rapidly.
02:06It was the age of transformation.
02:10Teacher,
02:14what disease
02:16do I have?
02:20You don't have a fever,
02:22but your eyes are red
02:24and you're sneezing.
02:28Congratulations!
02:30It's a blessing from God!
02:32What?
02:34Mother!
02:36Why?
02:38I trusted you!
02:40Why was hay fever
02:42a disease
02:44that everyone wanted to be?
02:48Raise your hand
02:50if you know the answer.
02:54In the old days,
02:56it was probably because
02:58it smelled bad.
03:00That's why hay fever
03:02was a disease
03:04that everyone wanted to be.
03:06In the old days,
03:08it was always because it smelled bad.
03:10So you were jealous
03:12because it smelled bad.
03:14Teacher, you can raise your hand.
03:16What?
03:18I'm going to beat you up.
03:20Teacher, you can raise your hand.
03:24Well,
03:26weak men
03:28get ticklish.
03:30That's why I think
03:32hay fever is popular.
03:34So you were popular
03:36because you sneezed a little?
03:38Yes, I was popular
03:40because I sneezed a little.
03:42Do you understand?
03:44Do you understand
03:46what I'm saying?
03:48Anyone else?
03:50Teacher,
03:52when you sneeze,
03:54you get runny nose, right?
03:56When you get runny nose,
03:58when something is broken,
04:00instead of glue,
04:02you put glue in your mouth
04:04and lick it.
04:10That's terrible.
04:12Stop it.
04:14Don't put glue in your mouth
04:16so that you don't get hurt.
04:20Congratulations!
04:22It's a blessing from God.
04:24Is this okay?
04:26In that strange scene,
04:28the person who chanted the fire
04:30said,
04:32What is a blessing from God?
04:34That's right.
04:36At that time,
04:38Charles Harrison Blackley,
04:40who was still an unknown doctor,
04:42said,
04:44It's a blessing from God
04:46just by sneezing.
04:48It was a really crazy sight.
04:50This is a rare disease.
04:52There must be a scientific reason.
04:56Later,
04:58he found out
05:00that it was a hay fever,
05:02but Darwin,
05:04a genius biologist,
05:06praised it.
05:08Charles's research
05:10is extremely genius.
05:12I'm very interested in it.
05:16In a letter on page 7,
05:18he sent the highest grade of 3 o'clock.
05:203 o'clock?
05:22Why was he praised
05:24as a blessing from God
05:26just by sneezing?
05:28There was a common point
05:30that patients have.
05:32What is it?
05:34Congratulations!
05:36It's a blessing from God.
05:38You are also
05:40a blessing from God.
05:42Thank you very much.
05:48What is the common point?
05:50Why?
05:52You all want a hint, right?
05:56Can you give us a hint?
05:58The hint is
06:00the person who sneezed
06:02wearing clothes.
06:04It's a big hint.
06:08Yes!
06:10Mr. Minoru.
06:16Mr. Minoru!
06:18Go for it!
06:20The clothes
06:22were
06:26popular,
06:28so
06:30he said
06:32it was a blessing
06:34from God.
06:38Yes!
06:44Ms. Chiyo.
06:46People who had
06:48hay fever
06:50wore gorgeous clothes.
06:52It was said
06:54it was a disease
06:56that rich people got.
06:58When they got hay fever,
07:00it meant
07:02they were rich.
07:04It was a blessing from God.
07:06I see.
07:08The person
07:10who had symptoms
07:12was
07:14a nobleman.
07:16A nobleman?
07:18Most of the workers
07:20were noblemen.
07:22Most of the patients
07:24were wealthy noblemen.
07:26Now I am
07:28one of the noblemen!
07:30Being a nobleman
07:32was a sign
07:34of poverty.
07:36There should be
07:38another cause.
07:40But people are saying
07:42this disease is a nobleman's disease.
07:44Something is really wrong.
07:46However,
07:48it is true
07:50that only noblemen are affected.
07:52It's strange.
07:54And Black Ray
07:56found out
07:58the cause of the nobleman's disease
08:00was hay fever.
08:02Hmm?
08:04Hmm?
08:06Hmm?
08:08What is this?
08:10Rice?
08:12What is this?
08:14Cedar?
08:16What is this?
08:18Oh, no!
08:20Hay fever!
08:22Huh?
08:24He touched a plant
08:26called camomile.
08:28He found out
08:30Black Ray's disease.
08:32But why
08:34most of the workers
08:36were noblemen
08:38and most of the patients
08:40were noblemen?
08:42There should be
08:44another cause.
08:46Why?
08:48Why?
08:50Huh?
08:52I see.
08:54I see.
08:56Touching camomile
08:58completely dissolved.
09:00If hay fever is the cause,
09:02most of the workers
09:04were noblemen
09:06and most of the patients
09:08were noblemen.
09:10Why?
09:12There is a big hint
09:14in the VTR so far.
09:16By the way,
09:18is there anyone who has hay fever?
09:20Yes.
09:22Really?
09:24Everyone has hay fever.
09:26Black Ray found out
09:28why only noblemen have hay fever.
09:30How about you?
09:32Raise your hand
09:34if you know the reason.
09:36That's fast.
09:38Nanahi?
09:40Only noblemen have hay fever.
09:42Ordinary people
09:44don't have flowers
09:46around their nostrils.
09:48So noblemen
09:50buy flowers
09:52and decorate their houses.
09:54Only noblemen
09:56decorate their houses with flowers.
09:58How about others?
10:00Yes!
10:02The teachers don't answer at all.
10:04I can't think of
10:06an interesting answer.
10:08Then,
10:10Mr. Shimasa?
10:12Well,
10:14I think it's the opposite.
10:16Workers
10:18work in the fields
10:20or in the mountains.
10:22So,
10:24they have hay fever.
10:26On the other hand,
10:28noblemen
10:30don't have hay fever.
10:32I don't need it.
10:34I don't need
10:36such a serious answer.
10:38I don't need it.
10:40That's why
10:42the staff room
10:44is full of smoke.
10:46I don't need it.
10:48I'm trying to make my position.
10:50It's confusing.
10:52Then,
10:54let's move on to the mystery.
10:56The reason
10:58why noblemen
11:00have hay fever
11:02is related to
11:04the plants they touched.
11:06Plants?
11:08The reason
11:10why noblemen
11:12have hay fever
11:14is because
11:16there is a lot of hay
11:18in the field.
11:20In this era,
11:22due to the industrial revolution,
11:24the speed of weaving cloth
11:26has increased a lot.
11:28As a result,
11:30we need more raw materials
11:32and the need for hay,
11:34which is the food for sheep,
11:36has increased rapidly.
11:38And the hay
11:40was the haystack.
11:42Until then,
11:44there was almost no haystack
11:46in the field.
11:48The noblemen
11:50have more opportunities
11:52to touch hay.
11:54It's not a nobleman's disease.
11:56It's a disease
11:58caused by hay.
12:00We have to prove it.
12:02For that,
12:04Black Ray
12:06took action.
12:10What?
12:12I'm scared.
12:14I'm scared.
12:16What's this?
12:18What's going on?
12:20I'm scared.
12:22Is it a horror mystery?
12:26What's this?
12:28Black Ray.
12:32I'm scared.
12:38What's this?
12:40It's dangerous.
12:42I'm scared.
12:58Why are you here
13:00at this hour?
13:02It's my line.
13:04Why are you shouting?
13:06What?
13:08It's an experiment.
13:10It's not a nobleman's disease.
13:12It's a haystack.
13:14That's what I thought.
13:16Prepare
13:18about 80 kinds of plants.
13:22It's amazing.
13:26It's dangerous.
13:28Isn't that the first video?
13:30From the nose.
13:32It's really good.
13:34It's dangerous.
13:36It's dangerous.
13:38What?
13:40Can I put this in my eyes?
13:42Go ahead.
13:44Stop it.
13:46Stop it.
13:48Stop it.
13:50It's a plant extractor.
13:52What is he doing?
13:54It's a human experiment.
13:56It's a human experiment.
13:58It's a human experiment.
14:00It's a human experiment.
14:02It's a human experiment.
14:04It's a human experiment.
14:06You're allergic to pollen.
14:08You're allergic to pollen.
14:10It's a nobleman's disease.
14:12It's a haystack.
14:14It's a haystack.
14:16It's amazing.
14:18Why didn't the workers come to work?
14:20Why didn't the workers come to work?
14:22The workers originally lived near the haystack.
14:24The workers originally lived near the haystack.
14:26They were used to pollen.
14:28And they had a slow response.
14:30If you have a mild symptom,
14:32it's not easy to treat.
14:34I thought it was the wind of life, so I left it alone.
14:38By the way, it was only 40 years ago that pollen disease spread in Japan.
14:44After that, it was said that the number of pollen production increased as a result of harvesting cedar in Japan to secure wood, which was urgently needed.
14:57Research was like shaving off the body, but to prove that pollen was the cause, it was best to become an experimental subject.
15:06The experiment in which Blackley's body was put together is still used as a scratch test for allergic reactions.
15:14It is praised as the father of pollen disease research.
15:20It may be necessary to have the courage to take a step forward to make a new discovery that will remain in history.
15:34Have you ever taken the courage to take a step forward like Blackley?
15:42When I confessed to a girl.
15:49As a result, I was accepted.
15:56You have a girlfriend now, right?
15:58Yes.
16:00Wait a minute.
16:03In the fourth grade?
16:04In the fourth grade.
16:06The first time I had a girlfriend was in the second grade.
16:11Isn't it too early?
16:13In the fourth grade?
16:14I was in the second grade.
16:15In the second year of college.
16:17Too late.
16:18Let's move on to the next lesson.
16:24The new semester is coming soon.
16:27But have you ever wondered?
16:31Why does the new semester start in April instead of January?
16:38That's right.
16:44Does anyone know?
16:46Yes.
16:48Mizuki-san.
16:50Even though animals sleep in the winter,
16:53the fact that they wake up in the spring means that humans start in the spring.
17:00In other words, it starts in the spring.
17:05It starts in the spring.
17:06That's another idea.
17:08That's a nice answer.
17:10Do you know anything else?
17:11Yes.
17:12The teachers are not waiting at all.
17:16What do you think, Yumechi-sensei?
17:24I will write four poems for the class.
17:34She was saved.
17:38She was saved.
17:39She was saved.
17:40She was saved.
17:41She was saved.
17:42She was saved.
17:43She was saved.
17:44She was saved.
17:46The beginning of the year is January,
17:49but the beginning of the school year is April.
17:53There is a history of darkness in the background that the country has deceived hundreds of billions of yen.
18:00What?
18:02This is bad.
18:04If you don't know this mystery, you don't have the right to be an adult.
18:10It's been about 140 years since then.
18:16140 years?
18:17A man was driven into a cliff by Okura-sho, who ruled Japan.
18:26What's wrong?
18:28Matsukata-sama!
18:30What's wrong?
18:31I'm in trouble.
18:32I'm in trouble.
18:37I don't have enough money for this year.
18:39I'm going to go broke.
18:42You can't do that.
18:44No matter what you do, you can't go broke.
18:48Matsukata Masayoshi, the first Okura minister.
18:53He is the man who deceives hundreds of billions of yen.
18:57He is a dangerous man.
18:59In the following Meiji 24 and Meiji 29, he became the Prime Minister twice.
19:07He contributed greatly to the development of Japan with his father, Eichi Shibusawa,
19:14who is the face of Shin Ichiman Ensatsu.
19:19However, the foreigners who lived at the same time...
19:23I'm in Satsuma, but to be honest, I don't have any personal relationships.
19:32In addition, the founder of Waseda University, Shigenobu Okuma...
19:38I don't get along with that man at all.
19:44If I wasn't born in Satsuma, I'd rather be in Chizugumari.
19:49The evaluation is not high.
19:53In fact, even in the modern era in which we live, its popularity is not far off.
20:01However, the evaluation from Eichi Shibusawa was different.
20:06Matsukata's way of doing things was certainly forceful.
20:12But it was right.
20:15Mr. Matsukata had the reputation of a warlord.
20:21Matsukata Masayoshi, a man whose evaluation is completely different between politicians and the economy.
20:28What the hell did he do?
20:33If it goes on like this, Japan will end.
20:37For that reason, there was no choice but to do something.
20:41That was the only way to save Japan.
20:47Even though it was to save the country, why did he deceive hundreds of billions of yen?
20:54Did he dye his hands in the darkness of history?
20:58And how does that have to do with the start of the new semester in April?
21:06Have you ever deceived anything?
21:11How about you, Kei?
21:14I haven't been caught yet.
21:17Are you okay?
21:20Do you want to say it?
21:22I'll say it.
21:24There was an ice cream that my mother hid.
21:30I found it and ate it.
21:34I haven't been caught yet.
21:37It was very delicious.
21:39I don't know what will happen when I go home.
21:43I want you to tell me a terrible secret.
21:47I'm sorry.
21:50I'm really sorry.
21:54I'm sorry.
21:58It's good. It's the first time for elementary school students.
22:01It's very cute.
22:04Money is very important.
22:07By the way...
22:10How much money do you have?
22:14Is it cash or total?
22:17Let's say it's total.
22:21Can you not say it's total?
22:25I'm doing a lot of things.
22:28How much cash do you have?
22:31I have 1,800 yen in cash.
22:35What are you talking about?
22:40The incident happened in May 2017, when Matsukata was in charge of the finances.
22:48It's a big deal.
22:51We don't have enough money for this year.
22:54It's going to be a disaster.
22:56At this time, Japan was on the verge of bankruptcy due to the end of the South China Sea War, which cost 80% of its total budget.
23:06In addition, there was a rebellion in Korea, and the military had to cut budget for the sake of urgent defense.
23:16If this is the end of the world, Japan will be over.
23:22We have to do something no matter what.
23:27What are you going to do?
23:37He's here.
23:39What are you going to do?
23:41Think about it.
23:43What's the budget for 2018?
23:47It's not clear yet.
23:49It's not clear yet.
23:53Then...
23:57It's suspicious.
24:05It's suspicious.
24:07It's suspicious.
24:09The forbidden method to avoid bankruptcy is...
24:13What?
24:14He's doing something good.
24:16Finally, the history of deception of several hundred billion yen.
24:20And the reason why Japan started in April will be revealed.
24:26What does that mean?
24:28As a result of increasing the military budget, the country's money is running out.
24:34What will you do when you run out of money?
24:38I'd like you to ask Mr. Yumechi.
24:41Mr. Yumechi has a debt of 2 million yen to Yoshimoto Industry.
24:46Is that so?
24:49Don't say 2 million yen in front of a child.
24:53I'll lend you 18 million yen in cash.
24:58I'm not going to lend you 18 million yen.
25:02How about you, Kei?
25:03I've told my mom that I've lost weight.
25:09I've told my dad that I look young.
25:15That's amazing.
25:17You know that, but you say it.
25:20That's for sure.
25:22I want to be told that.
25:25You're young.
25:27You're beautiful.
25:29You're cute.
25:30I want to be told that.
25:32I want to be told that.
25:34I want to be told that.
25:36I want to be told that.
25:38The reward is too much for the industry.
25:40I want to be told that.
25:42And the reason why Japan started in April will be revealed.
25:48I see.
25:54Matsukata took it.
25:55He took it.
25:58The forbidden method is...
26:02If you don't have enough money, you have to pay back the budget three months in advance.
26:07You have to cheat the red money.
26:09Really?
26:11Is that so?
26:14That's right.
26:16You have to pay back the budget for the next year for three months.
26:19You have to get the red money for the year 2017.
26:22That amount of money is now several hundred billion yen.
26:27That's a lot of money.
26:29The budget for the year 2018 is not enough for three months.
26:32That's right.
26:34There is no problem.
26:36Why?
26:38You just have to postpone the start of the fiscal year for three months.
26:41Postpone it for three months?
26:43He's only this strong.
26:45From now on, postpone it for three months.
26:48Let's say that April 1st is the start of the fiscal year.
26:52I see.
26:56In this way, the fiscal year of Japan starts on April 1st and ends on March 31st.
27:03It's the beginning of April.
27:05I see.
27:07Accordingly, the beginning of April is also the beginning of the military school.
27:11In other schools, the beginning of April is gradually adopted.
27:18Matsukata moved the budget for the fiscal year and made a long-distance deal to get rid of the red money.
27:26That's why Japan started at the beginning of April.
27:30I see.
27:32Matsukata used such a forceful method to stabilize the Japanese economy.
27:40I'm so bold.
27:42I'm going to build a new bank to rebuild the economy.
27:47He established the Japanese Bank.
27:50It's true.
27:52I'm going to make a new bank book suitable for the current world.
27:55Really?
27:56He established the Japanese Bank, which is still used today.
28:01In other words, he established a new bank book.
28:04Matsukata has been highly evaluated for his reform that leads to the modern Japanese economy.
28:13In order to overcome a big crisis, he may need a bold thinking power that is as bold as gold.
28:21He is bold.
28:23I have a question for you.
28:26There are many countries at the beginning of September in the world.
28:31Why is that?
28:33Does anyone know the answer?
28:35Nana-hi.
28:37It's the same as Japan.
28:40This time, I went abroad for 9 months.
28:44That's too long.
28:47Chi-san.
28:48Yes.
28:50When foreigners learn that Japan has done it in a bold way,
28:58they say, I will do it in a bold way.
29:10I should have done that.
29:13The reason for the beginning of September in the world is to start the new semester after the harvest season in the summer.
29:22In the past, it was common for children to help with farm work.
29:27In the United States, it is said that the harvest season was avoided from July to August.
29:36Let's move on to the next lesson.
29:42Blood type is...
29:47A.
29:50B.
29:54Not C.
29:59O.
30:01Do you know why it is O?
30:08Certainly.
30:10Does anyone know?
30:12Mizuki-san.
30:14A is like Aki.
30:18B is serious.
30:21B.
30:23O is like Ottori.
30:26That's great.
30:30It's rare to see a person who starts the engine in the second half.
30:33That's great.
30:35That's great.
30:37That's great.
30:39Are there any teachers?
30:42Please raise your hand.
30:44Good luck.
30:46Please.
30:48I wanted to write A, B, C, but I made a mistake and wrote it quickly.
30:53It's connected, so it's O.
30:55In less than 5 seconds, it's O again.
30:58It doesn't make sense.
31:01That's why there is smoke in the staff room.
31:04It's been a long time.
31:07It's been a long time.
31:09Please tell us the mystery.
31:12The reason why the blood type is not A, B, C.
31:17There was a tragic history in which two people died.
31:25It's scary.
31:27It's a horror mystery.
31:29If you don't know this mystery, you don't have the right to be an adult.
31:33It's been about 200 years.
31:36It's been about 200 years.
31:38There was a big change in medical care in the UK.
31:42It's been about 200 years.
31:44It's been about 200 years.
31:46There was a big change in medical care in the UK.
31:52What's the condition of the patient?
31:56No, the bleeding won't stop.
31:59At that time, losing a lot of blood was a dangerous situation that led to death.
32:09No, I can't help it at this rate.
32:12Damn it.
32:14James Brandel, a third-wife in the UK, was lamenting such a situation.
32:19James Brandel.
32:22The woman who gave birth to a new life in front of me lost a lot of blood and many people.
32:29The birth was a life-threatening situation.
32:34It was a time when one in ten women who gave birth to babies died.
32:40In order to avoid such a tragedy, Brandel made a decision.
32:49In order to save my mother, I have to give birth.
32:53Give birth?
32:55Giving birth is forbidden.
32:57That's the only way.
33:00But I haven't given birth for more than 100 years.
33:04In modern times, natural treatment was forbidden for a reason.
33:11Why?
33:12Because a strong-willed doctor who was tempted to give birth imitated such a stupid thing.
33:18We were forbidden to give birth and missed the chance to save many patients.
33:26What is the big event caused by a strong-willed doctor?
33:29What is the big event caused by a strong-willed doctor?
33:36The time is 1667.
33:40Jean-Baptiste Denis, a doctor who was under the rule of Louis XIV, the king of France.
33:47Louis XIV.
33:49Mr. Denis, who had a strong desire to give birth, was looking for a chance to succeed in a new treatment and gain fame.
34:00Mr. Denis, this young man seems to have a poor blood type.
34:04What should we do?
34:06Well, he doesn't have enough blood.
34:10This may be a chance to test his blood type.
34:15If he succeeds, the king will be happy, and my blood will be more reliable.
34:22However, it was an unimaginable blood transfusion method in modern times.
34:31At that time, there was no blood transfusion bag or droplet.
34:36What kind of blood transfusion was done by a strong-willed doctor?
34:40If you know, please raise your hand.
34:43Airi.
34:44Airi.
34:46I put blood into my mouth and let the blood flow into my body.
34:52I swallow blood even if I don't want to.
34:58I see.
35:00Kenichi.
35:02I thought it might be a bad idea to put my blood into my body, so I put the blood of a happy creature into my body.
35:11I see.
35:13What kind of blood transfusion was done by a strong-willed doctor?
35:19All right, let's start the blood transfusion.
35:22Doctor, what is that?
35:26Don't worry. What you lack is blood.
35:30I'm scared.
35:32Is it really okay to put blood in such a thing?
35:36What kind of blood transfusion was done by a strong-willed doctor?
35:40This is...
35:41I'm scared.
35:42What is it?
35:45What is it?
35:46A cow?
35:47What is it?
35:48A monkey?
35:50A sheep?
35:51A sheep?
35:53It's a sheep.
35:57The blood of a sheep.
36:00Looking at the picture left at that time,
36:03you can see that the patient and the sheep are connected by something like a pipe and sending blood directly.
36:12At that time, it was a hot topic that blood transfusion from animals to animals was successful.
36:20At that time, blood was still recognized as the same for both humans and animals.
36:26What happens when blood is transfused from a sheep?
36:30Professor Jun Boike of Kobe University, who is familiar with modern blood transfusion, said...
36:37In modern blood transfusion, there is no such thing as transfusing blood from a sheep,
36:43so I can't predict it, but I think it will cause major damage to the organs of the whole body.
36:50I'm scared.
36:51It can cause pain, red urine, and a little reddish urine.
36:59And if it's too early, it'll happen in a few minutes.
37:04It is well thought out that there will be a major side effect such as death.
37:09All four young people who were transfused with the blood of a sheep showed a rejection reaction, and one died.
37:18Mr. Lonnie was tried as a murderer, and a death sentence was issued for blood transfusion.
37:26Then he went to England, where more than a hundred years had passed.
37:31In order to save his father-in-law, he decided to transfuse blood.
37:36At the beginning of the triad, Brandel.
37:39He had one prize.
37:47If you do blood transfusion, you'll get a lot of rejection reactions, and it's the worst case scenario.
37:52No, I'm going to use human blood.
37:55Human blood?
37:57Blood transfusion by human blood.
38:01Brandel performed blood transfusion on his father-in-law using the blood of his assistant.
38:08I hope it goes well.
38:18Smooth.
38:27Doctor, the condition is stable.
38:30After all, blood transfusion was effective.
38:34I see.
38:36This can save many pregnant women.
38:39Great.
38:41But the other pregnant women...
38:47No!
38:52Doctor, there's a rejection reaction.
38:55No, I'll stop the blood transfusion right away.
38:59Are you all right?
39:08As soon as the blood was transfused, the patient died.
39:12Only half of the 20 people were saved by blood transfusion.
39:17Why?
39:19Some people get better like a lie, and some people die right away.
39:25Blood transfusion was a gamble.
39:29One in two people died at the time of blood transfusion.
39:34And this leads to the reason why the blood type is not A, B, or C.
39:42What? Why?
39:46In the 1800s, blood transfusion was a method of healing that left one in two people to die.
39:56It's like a gamble where one in two people die without knowing the cause.
40:02Let's experience it a little bit.
40:06What are you doing?
40:09Doctor!
40:10It's a cream puff!
40:14This is for you.
40:17I'm sorry. I'm an adult.
40:20I'm sorry.
40:23No, I really don't want it.
40:26Of the four cream puffs, two of them are filled with mustard instead of cream.
40:33Yay!
40:36Dr. Seto!
40:38This cream puff is for you, right?
40:42But Dr. Yashiki didn't give it to you.
40:45Do you have cream puffs?
40:47Wait a minute.
40:49Wait a minute. Then let me fight with Dr. Seto.
40:53Dr. Seto too?
40:55That's weird.
40:57Dr. Seto too.
40:59Dr. Seto too.
41:00There are two cream puffs.
41:02Everyone, there are two cream puffs.
41:06Dr. Seto, please choose one.
41:09I'm an elementary school student.
41:11Then I'll take the rest.
41:14It's an experiment to see how scary the blood transfusion was.
41:19One in two people is spicy, right?
41:21Of the six, three are filled with mustard.
41:24Then let's fight.
41:27One, two, three!
41:30Wow!
41:32Wow!
41:34Wow!
41:36It's delicious!
41:38It's delicious!
41:40It's delicious!
41:42It's delicious!
41:44It's delicious!
41:46It's delicious!
41:48I did it!
41:50It's delicious!
41:52It's very spicy.
41:54Dr. Seto is strong.
41:56It was delicious.
41:58Wow, Dr. Seto!
42:00The fear of one in two people dying.
42:03The blood transfusion used to be like this.
42:07How was it, Dr. Seto?
42:09This fear.
42:11I think Dr. Seto was the one who realized this fear.
42:16He looked like he survived.
42:19He did it well.
42:21He took the risk and did it.
42:24There is a person who can make the blood transfusion of Dr. Seto a big step forward.
42:31From the success of the blood transfusion by Urandel,
42:35in 1900, 75 years later,
42:38Dr. Karl Landsteiner, an Austrian pathologist.
42:43Dr. Karl collected the blood of himself and his colleagues and studied them.
42:48Dr. Landsteiner found the secret of Dr. Seto's blood.
42:53The discovery of the secret of Dr. Seto's blood was sealed.
42:59Look at this.
43:04The mixed blood is solidified.
43:09Then look at this.
43:11It's not solidified.
43:13This could be...
43:16The blood of people is not the same.
43:20There may be differences between them.
43:23So I mixed blood in various patterns.
43:28It seems that the blood of people can be classified into three types, A, B, and C.
43:36Oh, C.
43:38It's C.
43:40That's right. At that time, what was discovered was the normal blood type.
43:48Moreover, at that time, it was classified as A, B, and C.
43:54The experiment at that time was reproduced with the cooperation of Dr. Jun Boike.
44:05This is amazing.
44:10As soon as he started mixing, there was a change.
44:18The blood mixed between type A and type B is smooth liquid.
44:25On the other hand, the blood mixed between type A and type B is fine grains.
44:32As time passed, it became solidified.
44:40Dr. Carl noticed this change and discovered a blood type.
44:47I thought, this is it.
44:50There are people who can't be saved by blood transfusion because they were given a different type of blood.
44:56It's because the body judged it to be a foreign object and rejected it.
45:03Dr. Carl's discovery of a blood type was only 125 years ago.
45:11There was a blood transfusion revolution that dramatically advanced medical care.
45:16But why did the blood type A, B, and C become A, B, and O at first?
45:25The reason for this is finally revealed.
45:35At the time Dr. Carl discovered, the blood type A, B, and C became A, B, and O.
45:45In Dr. Carl's experiment, he observed that the blood type A, B, and C did not solidify.
45:53However, the blood type C at the time did not solidify even when mixed with blood type A or B.
46:02Therefore, the blood type A, B, and C became A, B, and O.
46:07The time of O and C is similar, but the theory is that the blood type A, B, and C became O.
46:21By the way, it was only two years after Dr. Carl discovered the blood type A, B.
46:30The blood type A, B, and O solidified even when mixed with blood type A or B.
46:35By having the characteristics of both A and B on the surface structure, it was named AB type.
46:43The discovery of blood type A saved many lives by dramatically increasing the purity of blood.
46:52In order to make a great discovery that will remain in history,
46:57it may be necessary to have the power to doubt common sense without missing any small changes.
47:22It was cool and cute.
47:24I look only under 20 years old.
47:27I'm in my 40s.