Eating wild vegetables in spring makes up for the ancient style, and the spring is bright and fresh on the tip of your tongue.

  Text/Figure Yangcheng Evening News reporter Wang Min

  On the second day of the second lunar month, grass and vegetables are sprouting leaves, and the ancient Luoyang people designated this day as the Picking Vegetables Festival. Picking vegetables means going out to pick wild vegetables or picking vegetables in the garden. Eating wild vegetables in spring is not only a tonic, but also quite antique. At this time, you can see these seasonal wild vegetables in the markets and supermarkets in the city, but the bored urbanites in the city often like to go to suburban farms and mountains to find them themselves, that is, pick them and cook them and eat them fresh.

  "Ginseng Roots" on the roadside of Ye Qiuqian

  If you don’t look at the upper body, just look at the lower body, it can definitely imitate Laoshan ginseng, which is thick and scaly with dense fibrous roots. But the eyes moved up, and immediately the phoenix turned into a pheasant: Isn’t this a clam? Yes, it is coriander, but it is much rarer than ordinary coriander. It is only produced in Conghua, and the best is excavated in Liangkou area. This wild coriander is a mountain thing, born on the hillside, longer than the hillside, rough and rough, letting it absorb the essence of heaven and earth, rain and dew, and the sun and the moon.

  Although it looks strong, it is actually a big man in the northeast with a soft heart in the south of the Yangtze River. The smell is not as strong as that of a common clam, and it is light and delicious, not to mention astringent, but smooth and fragrant. The practice in Conghua country is to use wild parsley with spicy roots to stew pork tripe. If the taste is lighter, chicken feet can be used instead of pork tripe. According to reports, drinking this soup in spring has the effect of eliminating dampness and warming the stomach.

  It is most effective to stew soup with salted lemon. As long as there is a root in a cup of soup, it has been uncovered and moved to the next table. If you want to be fresher, you can also use it directly for cold salad. Its special flavor can often be tasted in some farmhouses in Conghua liang kou.

  Thorn head vegetables are bitter and cool, but fragrant and refreshing.

  Arrived in March, the wild vegetables in Shan Ye, Yunnan Province began to stir up. From the original sugar pear flower, broom, fish coriander and broken ear root to the present Toona sinensis, bracken, echinacea, plantain, cowpea and water celery … … When you go to Yunnan at this time, you will find these wild vegetables everywhere in the farmer’s market.

  Among them, the most unfamiliar thing for Guangzhou people is the thorn vegetable. It is the bud of a thorn tree in the mountains. Because even the tender buds have thorns, it is called "thorny vegetable". Its leaf buds are very similar to Toona sinensis. Before the bud blooms, the leaf buds are wrapped in layers of leaves, ruddy and plump, shaped like new bamboo shoots and up to five or six inches long. When the leaves split, new leaves with tender thorns will be exposed.

  Thorn head vegetables are the most common in Shangri-La, and the season is from April to July every year, among which April is the most tender and slag-free. Its growth cycle is very fast, and it can grow into the second crop in three days after picking the first crop of seedlings. However, you must pick it quickly, and you will meet the elders later, and then you will bite down and be full of slag. Locals like to eat it directly with garlic or coriander, which can keep the aroma to the maximum extent.

  In addition to cold salad, it can also be dry mixed or stewed soup, but it must use plain oil, not meat, so as not to destroy its fragrance. When used in stews, it can only be served with chicken or lean meat.

  In Guangzhou, it can only be found in Yunnan cuisine restaurant.

  Stir-fried golden buckwheat vegetables add more fragrance.

  In my memory, there are not many opportunities to eat spring buckwheat every year. About the time when the spring rains come down one after another, the family will buy a handful of spring buckwheat, carefully select it, cut it into sections, and simply fry it, and it will smell fragrant. In the listless spring, this is a refreshing dish that makes people’s forefinger move. It is clear but not scarce, tender but not raw, and it is the essence of home cooking.

  Most of the buckwheat dishes seen on the market now are Hunan buckwheat. Although they are tender to eat, they always feel that the taste of the dishes is not enough. In fact, the really beautiful buckwheat dish is the local golden buckwheat in Guangzhou, which originated in Huadu and is called Huadu Silk Buckwheat. Unlike the Hunan version, this kind of buckwheat dish is not stout, with a thin head and a young body. Although it is petite, it tastes rich and fragrant.

  However, whether it is silk buckwheat or foreign version of buckwheat, it is the most delicious near the head, and only the first and second stubble can be harvested, and then it will be old and tough, so it has to be used to make sour buckwheat heads.

  Stir-fried buckwheat vegetables, the most feared thing is that the heat is not well grasped, and it is too cooked and has residue, and it is too raw and spicy. In order to make it better, the chef of "Peninsula Haoyuan" specially came up with a "three-stage frying" way to make it. Stir-fry the buckwheat with ginger wine first, then take it out after it changes color slightly; Then pat the garlic in wok and saute, then stir-fry the buckwheat with strong fire, splash Shao wine at the same time, then stir-fry quickly, add a little salt and sugar, and drain the oil; Finally, the shrimps in the river or the wok will be fried together, which will take no more than three minutes, in order to keep the crispy taste of buckwheat to the maximum extent.

  Banlangen must be eaten to prevent colds.

  Just as there must be detoxification grass where poisonous snakes haunt, there is Banlangen to prevent colds in the spring when influenza is most likely to wreak havoc. For many people, Radix Isatidis is an ironclad herb. When you go to a restaurant to eat this, it always feels a little off-flavor, especially the raw and dregs taste of wild vegetables, which is even more uncomfortable for Guangzhou people who are awkward.

  If you want Banlangen to be slag-free, you have to choose Xishuangbanna. The stems and leaves of Radix Isatidis here are particularly green, so cool that they will ring when you bite at the entrance, even if you have cooked them with soup on the cloud legs, which is the favorite of the regular customers of "Xinguiyuan". The chef of "Gansimiduo yunnan art Restaurant" only selects tender leaves and sautes them with fire, retaining the original flavor of Radix Isatidis. The taste is bitter with some wild vegetables, but it is very heat-clearing and detoxicating.

  Rapeseed heart is slender and has no muddy taste.

  In the south of March, rape is a good time to pull out the core and blossom, so rape heart has become a very seasonal vegetable, which can’t be eaten in other seasons until it expires.

  Rapeseed hearts moistened by rain, with flowers and bones, are tempting you. Even in Guangzhou markets, they are only four or five yuan each, which is not cheap, but definitely not expensive. Buy one or two, wash them, fry them or bake them, depending on your preference. Vegetable farmers should be careful when choosing rapeseed hearts, and don’t choose those that are too tall; The weather in the south is warm and humid now, and the cabbage is different every day, so don’t bloom.

  The flowering Chinese cabbage in other places is sweet after frosting, and it will be slightly bitter in spring. However, the flowering Chinese cabbage is just in season in March, which is even later than the flowering Chinese cabbage. Compared with the local cabbage, the "starting rate" of rapeseed is very high, so you don’t have to waste too much when choosing vegetables. Its stalk is about 1/3 thinner than that of ordinary Chinese cabbage, with full flavor and moderate hardness.

  When frying rapeseed hearts, you must wait until the wok emits white smoke before you can stir-fry them urgently. Then, the rapeseed heart is wok, and then the material head and lard are stir-fried, so that the rapeseed heart fried twice can be green, crispy and not soft and oily.

Cold air is coming! Guangxi will usher in cooling+rainfall+short-term thunderstorm and windy weather!

It’s the weekend again
The sun on March 11th is still very strong.
At 1400 hours, the temperature in Nanning has climbed to 26℃
Quite a feeling of early summer.
Have you put on short sleeves?
▲ On March 11th, the weather in Nanning was fine. The trees on Jianzheng Road took off their "winter clothes" and the falling leaves were laid on the ground like carpets. Southern China Morning Post all-media reporter Zou Cailin photo
Now Guangxi has just entered the spring.
As the saying goes, "the weather in spring is always changing."
this is not
There will be a cold air to kill the carbine soon!
March 10
The central meteorological observatory sounded
The first cold wave warning since beginning of spring this year.
Most areas in China will experience slide cooling one after another.
Especially in parts of Shanghai, Tianjin and Jilin.
The drop of local maximum temperature even exceeds 20℃
This cold wave is in the process of going south
Power will be gradually weakened.
It is expected to start tonight.
This wave of cold air will arrive in Guangxi
Upon arrival
Its strength has been downgraded to stronger cold air.
But it will still bring a copy to Guangxi
Weather gift package of "cooling+strong wind+short rainfall"
Cooling aspect
The meteorological department expects
12-13 days
The average daily temperature in Guangxi will drop by 4 ~ 6℃
Above 8℃ locally
Compared with the decline of 10-15℃ in the northern region.
The coming round of cooling in Guangxi
It can be said that it is relatively mild.
▲ The data on the 11th is the actual temperature, and the data on the 12th-13th is the temperature forecast.
Due to the high temperature in the early stage.
It is beyond the temperature that should be in this season.
So even if there is cold air to cool down
Maximum temperature in most parts of Guangxi
It’s still above 20℃
The weather is getting cooler.
Everyone just adds a thin coat.
On the 14th, the temperature began to rise gradually.
▲ On the afternoon of March 11th, citizens walked on the hillside of Fengling Children’s Park in Nanning. Southern China Morning Post all-media reporter Zou Cailin photo
In addition to cooling
Cold air will also bring a little rain.
But it doesn’t rain much.
It didn’t last long.
It is expected that Guangxi will turn cloudy on the 12th.
There is light rain falling in most areas
There may be moderate to heavy rain in northern Guangxi.
Or strong convective weather such as short-term thunderstorms and strong winds.
13-14
The sun is on duty again.
The sky will clear up again.
15-17 days
There may be little rainfall in northern Guangxi again.
In general
At present, the rainfall in Guangxi is still less.
It is estimated that it will be in late March.
Rainfall began to increase.
Meteorological drought can be alleviated.
Cooling down and rain are coming.
The wind will not be absent naturally.
When cold air passes through the border
Beibu Gulf Sea and parts of eastern Guangxi
And there will be northerly winds in coastal areas.
I believe these two days
My friends in Nanning have already felt it.
The power of the wind
Everyone should pack up the items placed on the balcony in advance.
Don’t stand under trees, billboards and other objects
Ships at sea should pay attention to returning to port in time to avoid the wind.
Comprehensive all-media reporter Li Yingxia of South China Morning Post
China weather, Guangxi weather
Source: South China Morning Post
Reporting/feedback

"Early to bed and early to rise" is a hot topic in Wuxi nightlife.

On April 20th, Changsha’s popular tea brands, Shengtangli Store in Nanchang Street, Wuxi, Modern China Tea Shop, and Coastal City Store in Wuxi, made stunning appearances, which attracted many citizens to try it out. The sharp-eyed consumers in Xicheng found that the announcements of the two stores opened showed that their business hours were 09: 00-23: 00, which immediately triggered a wave of heated discussions.

Previously, the topic of "Jiangsu is a province that goes to bed early and gets up early" has been concerned and discussed by netizens all over the country on the Internet. Some people can’t help wondering: Is it really necessary to open in Wuxi until 11 pm? What are the business hours of these stores based on? The reporter visited this.

Tea shop open until 23 o’clock

It is rare in Wuxi.

At noon on April 19th, the reporter came to Nanchang Street Store in Modern China Tea Shop, and curiously consulted the Modern China Tea Shop brand on the relevant situation. The other party said that the current business hours are tentative. "Mainly considering that the two stores are the first stores in Wuxi, referring to the business hours of some stores in Changsha, they are tentatively open until 11 pm, and the business hours will be adjusted accordingly according to the work habits of Wuxi citizens."

Modern China Tea Shop’s team believes that there are some differences in the pace of life between Wuxi and Changsha. "Changsha’s night economy is hot, and the nightlife of Changsha people usually begins at 9 pm, but when we come to Wuxi, it seems that there are fewer people on the street after 9 pm."

Tea shops open until 23:00 are relatively rare in Wuxi. It is understood that Huishan Wanda’s coffee shop is open until 22:50. Regarding the store’s business hours, the store said: "When it is hot, the business hours will be extended. It is proved that Wuxi people really sleep early."

What is the current situation of Wuxi’s night economy?

In the evening, when the reporter visited the lakeside commercial street featuring night market catering, he found that many restaurants had not yet reached business hours, and many customers were already waiting in line outside. Online celebrity Restaurant "Lively Fresh Jump" operates from 4: 30 pm to 2: 00 am the next day. According to the merchants, business is very good from the beginning to around 12: 00 pm, and young consumers are the main force. "Now young people are late to rest, and after the adjustment and optimization of epidemic prevention and control, business has improved a lot. Everyone on this street has almost the same business hours." The merchant said.

The reporter interviewed some citizens on related topics. Some people think that they are too tired after work and have no energy to go out to play; Some people also say that after having children, they mainly focus on family education and have no time to go out to play at night. Many young people say that they usually go home at 9 o’clock at the latest when they go out to play at night, and they have formed a habit. Although they feel that Wuxi’s night economy is not as hot as Changsha and other cities, such a pace of life makes them very satisfied.

Under the discussion of the network topic of Wuxi nightlife, some netizens said that when they came to Wuxi after graduating from college in 2006, their first feeling was that there was no nightlife in Wuxi, and they could hardly find a place to eat after 9 pm. "After 17 years, Wuxi has a nightlife and urban construction is getting better and better." The netizen said with emotion.

In addition, some netizens believe that businesses are closed too early, people have nowhere to go, buses are stopped too early, and there are too few parking spaces around commercial complexes, which also makes citizens "forced" to go to bed early and get up early to some extent.

Xicheng night economy

Constantly upgrading and upgrading.

In fact, the related departments have also paid attention to these issues discussed by netizens, and are constantly stepping up efforts to promote the development of Xicheng night economy. The early night economy was mainly concentrated in leisure areas such as catering and shopping, but in recent years, the night economy is evolving from focusing on function to cultural experience. At present, the night economy in Xicheng tends to be diversified: promoting the development of trunk economy, building demonstration blocks outside, and striving to provide consumers with new consumption experiences; Set up night tour routes in scenic spots, create immersive night tour blocks, and describe the night of Xicheng, which blends tradition and modernity, to consumers from a new angle; A large number of night economic parking spaces are added, and short-term free parking spaces are provided to provide convenient transportation for consumers …

Once spring and summer change, birds and flowers move overnight. In the blink of an eye, it’s late April. With the rising temperature, all kinds of night economy brands will emerge one by one in the summer night of Xicheng, where the evening breeze is blowing. What special themes and fresh activities will attract more citizens and foreign tourists to participate in this year? Let’s wait and see.

(Evening News reporter Li Xu/Wen, photo)

Netizens are hotly discussing.

@ Crystal Heart: The nightlife in Jiangsu is to help children do their homework at home.

@ Hey: In fact, there should be take-away orders at this time of business. After all, Wuxi’s post-90 s dad will hand over a cup of milk tea after the post-90 s mothers have finished their homework.

@ Mi Xiaofan: After tutoring the baby, drink milk tea at night and open your eyes until dawn?

@ 京京京京京京京: How can I get up at 6 o’clock in the morning and send my baby to school without going to bed early?

@Yuki: Bulk Jiangsu has reached a unity in nightlife.

@ Xu’s Brick Mover: Actually, I personally think that the nightlife of a city represents the vitality and pressure of the city, and the heavy life and work make people away from the hustle and bustle of the city early. If there is such a night market that can better release people’s pressure, I think we will have better vitality for tomorrow!

Germany North Rhine-Westphalia International Economic and Trade Cooperation and Exchange Conference (Shandong) was held in Jinan

  Zhongxin. com, Jinan, December 19 (Wang Caiyi) Germany’s North Rhine-Westphalia International Economic and Trade Cooperation and Exchange Conference (Shandong) was held in Jinan, Shandong Province on the 19 th. North Rhine-Westphalia and Shandong economic and trade departments and business representatives exchanged economic and trade development on the spot and explored key areas for win-win cooperation.

Germany North Rhine-Westphalia International Economic and Trade Cooperation and Exchange Conference (Shandong) was held in Jinan. Photo by Wang Caiyi

  Feng Xingliang, chief representative of the Beijing Representative Office of the International Business Department of North Rhine-westfalen, Germany, said that North Rhine-is a federal state with the largest population and the strongest economic strength in Germany, and it is also one of the federal states with the closest economic and trade ties with China. Up to now, North Rhine-Westphalia has more than 1,600 enterprises in China, accounting for nearly one-third of the total number of German enterprises in China, and more than 1,200 China enterprises have invested in North Rhine-Westphalia.

  "North Rhine-Westphalia is the most intensive place for exhibitions in the world. Emerging industries, scientific research and education, digital economy and other fields are developing rapidly. Welcome China enterprises to come here and talk about cooperation and development." Feng Xingliang said when introducing the economic and trade investment environment and industrial cooperation opportunities in the state.

  Lin Yuan, the first-class inspector of Shandong Provincial Committee of China Council for the Promotion of International Trade, said in his speech that Shandong is the only province in China with a permanent population and a registered population of over 100 million, and its economic volume ranks third in China. North Rhine-Westphalia is the most populous and densely populated federal state in Germany, with pillar industries such as machinery manufacturing, automobiles and parts, chemicals, energy and so on, which is highly compatible with Shandong industries. "Next year, we plan to organize Shandong enterprises to enter Germany, hold industrial cooperation and exchange activities, promote the deep integration of industries of both sides, and jointly escort Chinese and German enterprises in both directions."

  "There is an old saying in China that’ there is no distance to know each other, and Wan Li is still a neighbor’. Shandong and North Rhine-Westphalia are mutually beneficial and win-win partners. This meeting is a testimony to the friendly cooperation between the two sides." Cui Hongguang, deputy director of the Shandong Provincial Department of Commerce, expressed the hope that the two sides will dig deep into the potential of cooperation, expand cooperation areas, and push economic and trade development to a new level with tangible cooperation results. "We look forward to extensive exchanges and cooperation with Beiweizhou in a series of fields such as high-end equipment, new energy, new materials, high-end chemicals and biomedicine, and work together to build a new highland for industrial development."

  At the event site, Liu Jing, a senior partner of Beijing Haotian Law Firm, introduced the process of setting up a company or representative office in Germany and the key points of laws and regulations. Representatives of Chinese and German enterprises jointly discussed the status quo and prospects, advantages and disadvantages of Sino-German economic cooperation. (End)

Sports science popularization

What are the benefits of swimming?

Relax body and mind

Relaxing body and mind is one of the great benefits of swimming. The impact of water on the body will relax the whole body, wash away all the negative emotions of the body and calm the impetuous mood.

Improve skin quality

Swimming can promote the blood circulation of the body and help improve the skin quality. If you travel to an open-air swimming pool with strong sunshine, you must take good sun protection measures.

Burning fat

Swimming needs the cooperation of the whole body, which can make the body fully active. During swimming, the muscles of the whole body are exercised and really burn calories.

What should I pay attention to when swimming?

Warm up before swimming.

The water temperature in the swimming pool is lower than the human body temperature, so proper warm-up exercises should be carried out before swimming to avoid adverse reactions such as numbness and cramps in hands and feet due to the low water temperature after entering the water.

Avoid being too full or hungry.

Don’t swim immediately on an empty stomach, or you will feel exhausted. Don’t go swimming immediately if you are too full, it will make your stomach feel uncomfortable and easily cause vomiting.

Don’t swim too long.

Swimming time should not be too long. Generally, swimming for two hours is the upper limit. If the human body is soaked in water for too long, it will become dizzy and cold.

The necessity of taking a shower before swimming

Adapt to the water temperature in advance

When swimming, the water temperature is generally lower than the body temperature, so take a shower before entering the water to make your body fully adapt to the water temperature. Shower can give off some body heat, and then do some warm-up preparations to go swimming and fitness.

Reduce the adsorption of chlorine

Chlorine is the product of disinfection products volatilization in swimming pools, which can be adsorbed on the skin and hair, and it is harmful to people’s health in some cases. If you take a shower before swimming, make your hair and skin fully absorb water with tap water before entering the swimming pool, the adsorption of chlorine will be significantly reduced. On the contrary, if you enter the pool directly without taking a shower, the pool water with chlorine content 2-10 times that of tap water will be adsorbed on your skin and hair. At the same time, wearing a swimming cap is also an effective way to prevent chlorine.

Wash away sweat, dirt, cosmetics, etc.

Taking a shower before entering the water can not only wash away the sweat on your body, but also effectively prevent germs in the swimming pool. Cosmetics and sunscreens themselves belong to chemical industry products, which can easily affect the water quality of swimming pools.

END

Text source: network

Image source: Network

Note: All the contents are from the Internet, and the copyright belongs to the author, and the infringement is deleted.

From 9-0 to 0-1! Salah lost, Liverpool lost to the relegation team and humiliated Manchester United by hook or by crook!

Liverpool, the Premier League giants, did not perform well at the beginning of this season, which once made fans fail to see their hope of winning the Champions League next season. Fortunately, with the deepening of the season, Liverpool gradually came out of the trough. In the last round, the Double Red Club wiped out the old enemy Manchester United 7-0 at home, climbing to the fifth place in the standings, only three points behind Tottenham in one game less, which can be said to have grasped the initiative in the battle for World War IV! This week, the 27th round of the Premier League started in full swing, and Liverpool went to the away game to challenge Bournemouth. During the first leg of the season, Liverpool beat their opponents 9-0 at home, which is why fans thought they could easily kill each other.After the game started, Liverpool took advantage of the scene, but it was too late to score. On the contrary, Bournemouth took advantage of a few offensive opportunities and Billing scored the only goal in the game. In the end, Bournemouth avenged Liverpool 1-0!

Although the opponent’s strength is not very strong, klopp didn’t let his guard down. After all, the Premier League has always been unpopular. In this game, Uncle Zha followed the 4-3-3 system, allison continued to play for the team, and Arnold, konate, Fan Dike and Robertson formed a four-back, Elliot, Fabinho and bajcetic sat in the midfield, while the front trident was Salah and Gack who scored twice in the last game.

After the referee blew the whistle at the start of the game, Liverpool kept the ball firmly under their feet and stormed towards Bournemouth’s goal. In the 5th minute, Liverpool got a right corner kick, Arnold drove the ball to the back, Fan Dike jumped high and headed the ball to the far corner. Bournemouth’s goalkeeper had given up, but it was cleared by the defender’s goal line.

However, two minutes later, Arnold made a fatal mistake in the midfield, which made Bournemouth hit back conveniently. Ouattara got a single-handed goal. Unfortunately, after passing allison, Liverpool missed the goal at a small angle, and scored in the 13th minute. Gakpo scored the goal after receiving the ball from his teammate in the restricted area. The referee immediately signaled offside and cancelled the goal.

In the 23rd minute, Bournemouth hit back again.Ouattara succeeded in offside on the right. After receiving a long pass from his teammates, he directly killed Liverpool’s restricted area. Then he made a cross from the bottom and found Billing who followed in the middle. The latter easily pushed and scored meritorious deeds, helping Bournemouth to take a 1-0 lead.

In the second half, klopp changed into jota, and wanted to continue to strengthen the team’s attack. In the 49th minute, Jota finished a threatening shot at the front of the restricted area, but the Bournemouth goalkeeper was in a very brave state, and he managed to save the ball to keep the goal clean.

In the 67th minute, Milner sent a cross from the right, and jota headed the goal. The ball hit the open arm of the Bournemouth defender and went out of the bottom line. After returning to VAR, the referee gave Liverpool a penalty.Unfortunately, Salah’s penalty kick was wide of the mark, and Bournemouth was lucky to hold the lead by one goal.

In the next 30 minutes, the backward Liverpool put a lot of pressure on Bournemouth’s goal, but it bombed indiscriminately and failed to knock on the opponent’s goal. In the end, it could only accept the result of losing 0-1. The Double Red Club bloodied Manchester United with 7 goals, and then lost to the relegation team 0-1. This is also the reason why many fans ridiculed after the game. Liverpool did everything to humiliate the old enemy Manchester United!

The neural network model inspired by biology greatly improves its memory ability.

Inspired by recent biological discoveries, researchers have developed a new model that shows enhanced memory performance. This is achieved by modifying a classic neural network. Computer models play a key role in studying the process of making and retaining memories and other complex information in the brain. However, building this model is a delicate task.

The intricate interaction between electrical and biochemical signals and the connection network between neurons and other cell types create the basic structure for the formation of memory. Nevertheless, due to the limited understanding of the basic biology of the brain, it has proved to be a difficult task to code the complex biology of the brain into a computer model for further study.

Researchers at Okinawa Institute of Science and Technology (OIST) improved the widely used memory computer model (called Hopfield Network) by incorporating biological insights. This change has inspired a neural network, which not only better reflects the connection between neurons and other cells in the brain, but also has the ability to store more memories.

Thomas Burns, a doctoral student in the group of Professor Zhishu Shenjing, who is the head of OIST’s neurocoding and brain computing department, said that the increased complexity in the network makes it more realistic.

"Why is there so much complexity in biology? Memory may be one reason, "Mr. Burns said.

In the classical Hopfield network (left), each neuron (I, J, K, L) is connected with other neurons in pairs. In the improved network made by Burns and Professor Shenjing, three or more groups of neurons can be connected at the same time. Source: Thomas Burns (OIST)

Hopfield network stores memory as a weighted connection pattern between different neurons in the system. The network is "trained" to encode these patterns, and then researchers can test its memory of these patterns by presenting a series of vague or incomplete patterns to see if the network can recognize them as patterns it already knows. However, in the classical Hopfield network, the neurons in the model are connected with other neurons in the network to form a series of so-called "paired" connections.

Paired connections represent the connection between two neurons at the synapse, which is the connection point between two neurons in the brain. But in reality, neurons have complex branching structures called dendrites, which provide multiple connection points, so the brain relies on more complex synaptic arrangements to complete its cognitive work. In addition, the connections between neurons are regulated by other cell types called astrocytes.

Burns explained: "There are only paired connections between neurons in the brain, which is simply unrealistic. He created an improved Hopfield network, in which not only pairs of neurons, but also three, four or more groups of neurons can be connected, such as astrocytes and dendritic trees in the brain. "

Although the new network allows these so-called "collective" connections, on the whole, it contains the same number of connections as before. The researchers found that a hybrid network with paired connections and collective connections performed best and retained the most memory. They estimate that its effect is more than twice that of the traditional Hopfield network.

It turns out that you actually need to balance the combination of various features to some extent, Burns said. A single synapse is necessary, but you should also need some dendritic trees and some astrocytes.

Hopfield networks are very important for simulating brain processes, but they also have powerful other uses. For example, a very similar network type called Transformers is a language tool based on artificial intelligence, such as ChatGPT, so the improvements identified by Burns and Professor Shenjing may also make such tools more powerful.

Burns and his colleagues plan to continue to study their modified Hopfield networks to make them more powerful. For example, in the brain, the connection strength between neurons is usually different in two directions, so researchers want to know whether this asymmetric feature can also improve the performance of the network. In addition, he also wants to explore ways to make the memories of the network interact, just as they do in the human brain. Our memory is multifaceted and huge. We still have a lot to discover. "