I have a chance to chat with Prof. Dr. Bui Cong Hien , former lecturer of Biology Department, University of Natural Sciences, VNU, leading entomologist in Vietnam about 10 years ago. At that time, he was retired and was dreaming with his friends to open a gallery of paintings made from insects. At the age of 80, Prof. Dr. Bui Cong Hien is still working hard. After a few years, I had the opportunity again follow GS.TS. Bui Cong Hien visit the artificial butterfly farming model in Ba Vi (Hanoi) made by himself. During those meetings, he told me about the insect world, about the benefits of insects and his predestined relationship with insects. He said, when he was still a student, he studied at the Department of Physics, Hanoi University (now Hanoi National University). He said that at that time his knowledge of insects was very little. Most of the time the teacher assigns a topic to do it. he did “Study on the phototropism of insects”, “Biology and ecology of the rice weevil (Sitophilus oryzae)” all suggested by the instructors. “Later, when I was retained as a teaching staff, I was assigned to the insect group of the Department of Invertebrates, Department of Biology. When going to work as a PhD student in the GDR, following the advice of Prof. Dao Van Tien, I chose the direction of research on Insect Physiology, a very bony research direction. Maybe I have a predestined relationship with insects, so insects chose me,” he wittily shared. He said, from that fate, he focused on researching insects in many directions such as insect pests, applied entomology, pheromones of insects, insects in Vietnam and prevention of harmful insects. , insect resources in Vietnam and valuable insects… From these studies, the benefits of insects he called “gold mines”. He affirmed that with more than 1 million species and living in all habitats, there is no creature that is attached to humans, being both “enemies” and “friends” like insects. Although small, the insect world is both “romantic” and “realistic”. Insects can kill people, but they also create jobs that feed millions. He asked the question: if insects were not present on the planet, how would humans live when the earth was filled with dead animals and plants; when the fruit is not pollinated… Sad because Vietnam is wasting gold mines Prof. Dr. Bui Cong Hien said, when studying insects, he discovered that many people call insects “insects” implying that insects are harmful species. Insects are “guilty” to humans. But that makes up less than 1% of the more than 1 million species. In fact, we are “a worm that upsets the whole pot of insect soup”. Prof. Dr. Bui Cong Hien said, we don’t know how to mine gold from insects. He said that insects bring 10 benefits to nature and 15 benefits to humans such as making food, beautifying, improving soil, pollinating plants… Especially Vietnam is a country with high biodiversity, with a large number of insects. However, we do not yet know how to mine gold from insects. Currently, according to GS.TS. Bui Cong Hien, in our country, the conservation and exploitation of insects, especially those in the wild, are rarely studied. “I had the opportunity to go through the market in Dien Bien, and saw the sale of worms and bees… I feel so sorry. Because people spontaneously exploiting insects have been both “victims” of poverty and backwardness, and “criminals” of biodiversity destruction”, he confided. “Why not research and help them breed these objects into farms to harvest and process valuable products like some countries have done. Why in many countries there are companies trading insects, but in Vietnam, they only sell at the market like hundreds of years ago. Earlier this year, the EU allowed the farming of mealworms (Tenebrio molitor) as food for humans, while in Vietnam only selling mealworms for ornamental birds,” he added. Plans at the age of 80 Currently, Prof. Dr. Bui Cong Hien has turned 80. However, he still cherishes many plans. The gallery made from insects in the past could not open for many reasons, but now he is still determined to do it. Nutritious nuggets from insects that he used to make successfully in the past, with recipes and designs available, he did not want to give up halfway. “I raised the issue with the Department of Culture, Tourism and Sports and the Bac Ninh Museum. In my opinion, besides traditional Dong Ho paintings, there should be Dong Ho paintings from butterfly wings to enrich folk paintings. Now I’m waiting for funding,” he revealed. The famous entomologist also said: Currently, he has researched and completed the process and technology of insect breeding, and the technology of making nutritious nuggets from insects. What he wishes is that there are businesses and entrepreneurs who realize the value of supporting insects, or invest in building a project to breed and exploit a few specific insect species. He said he is willing to transfer the technology. Invite readers to watch the video: Dangers of using weight loss foods online. Source: VTV24.

The representative of the Ministry of Health received articles to support the prevention and fight against the epidemic. At the event, Vice Chairman of the Board of Directors of Ampharco USA Pharmaceutical Joint Stock Company Le Ngoc Bo said that the test kit was invested, researched and developed by the technology transferred from the Military Medical Academy. currently is most of the strains of SARS-CoV-2 virus up to now. The product has been licensed by the Ministry of Health for circulation in the last Decision No. 2263 / QD-BYT dated 7-5. This is the result of more than a year of non-stop efforts of the team of scientists and the company’s partners to promptly respond to the Government’s policy of “anti-epidemic like anti-enemy”, contributing to the work. anti-epidemic Covid-19 of Vietnam. On behalf of the receiving unit, Prof. Dr. Tran Van Thuan, Deputy Minister of Health welcomed the product “made in Vietnam” and emphasized that, before the Covid-19 epidemic continued to affect all aspects of life. In the social economy, the company of Ampharco USA Pharmaceutical Joint Stock Company accompanying the Health sector is a very meaningful job, demonstrating the social responsibility of the unit for joining hands to repel the pandemic. “The Ministry of Health also praised the impulsive spirit of the Vietnam Young Physician Association before proposing the Ministry to receive these meaningful products and believe with the intellect, gesture and heart of the Vietnamese medical team The man, the scientists with the consensus of the business, the people of the whole country, Vietnam will defeat the Covid-19 “, Professor Tran Van Thuan said. Along with receiving 10 thousand test kits, the Ministry of Health also requested Ampharco USA Pharmaceutical Joint Stock Company to support the storage and preservation of products in the company’s storage to ensure the conditions. Based on the situation of epidemic developments and recommendations of units and localities, the Ministry of Health will distribute the above test numbers to medical facilities through the support of shipping and handing over of public tests. companies for local units are timely. Step 1: Access to https://www.bluezone.gov.vn or directly download at App Store or Play Store. Step 2: Once downloaded, the app will ask for Bluetooth permission to record contact with other Bluezone installed users. If Bluetooth isn’t open, drag the status notification bar and turn on Bluetooth; Or go to Settings, select Bluetooth and turn it on. Step 3: After the installation is complete, click Scan Around. If someone near you less than 2m has used Bluezone, the application will automatically identify these users and put them on the contact list.

Virtual life and death! Recently on many travel forums, the story of a tourist posting photos of starfish dying dry due to being taken ashore to take pictures of “virtual life” in Rach Vem, Phu Quoc has attracted a lot of attention. Most of the comments are outraged by the ignorant actions of some young people that lead to the undue death of the marine species that is the symbol of this sea. Getting starfish ashore has become a “habit” of some tourists. On websites, many accounts constantly share check-in pictures of celebrities who use starfish as virtual living tools without knowing that just a few dozen seconds from the water surface, the starfish will die now. Prof. Dr. Do Cong Thung, Chairman of the Scientific Council of the Institute of Marine Resources and Environment, said that starfish breathe through the legs and papillae (tiny particles spread all over the body). These tubular legs and papillae are equipped with a very thin layer of tissue, allowing gases to pass easily, whether inhaling oxygen (O2) or exhaling carbon dioxide (CO2), in a process known as is diffuse. Unlike fish with only two gills, the starfish is covered with papillae throughout the body. In other words, their “noses” or “gills” are scattered all over the body surface. When not in water, starfish not only cannot absorb the necessary oxygen. Therefore, they cannot remove carbon dioxide and carbon monoxide (CO) from the body. This leads to carbon dioxide and carbon monoxide poisoning and causes death. Most starfish can only hold their breath for less than 30 seconds. Sea stars, sea cucumbers and corals, are naturally born with fragile, fragile creatures. Just a light touch can hurt them. The act of bringing them out of the water is a brutal act of killing this endemic aquatic species. “When taken out of the water, starfish will die within about a minute. The act of catching starfish out of the water to take pictures is very dangerous. It threatens the life of this species. Beaches with starfish need to give warnings, otherwise starfish species will be in danger of scarcity and extinction, losing the value of marine habitat “, Prof.Dr Do Cong Thung said. And Mr. Nguyen Linh Ngoc, a marine conservation expert in Phu Quoc, said that many tourists take starfish out of the water to take pictures, then drop them right away. But when left in the sun on the shore, they die quickly. Starfish have no economic value like sea cucumber or seahorse. Starfish are normal seafood objects. It is not an ecological indicator animal of little scientific value. It is a crustacean that no one eats because it doesn’t have meat. Tourists like mainly the shape it looks like a star. In terms of marine conservation, there is also no regulation prohibiting the exploitation of starfish because this species is not included in the conservation list. But starfish create beautiful scenery for the marine environment, attracting huge visitors. Therefore, the protection of starfish mainly depends on the awareness of visitors as well as reminders of the resorts. An important role in the ecosystem Vietnam has 60 different species of starfish distributed along the coast from North to South, Nha Trang Bay alone has discovered 20 species belonging to 16 genera, 11 families and 4 orders. In Cat Ba, Hai Phong, a starfish beach with an area of ​​up to 5 hectares is home to shallow trench starfish and deep-trench starfish with a high density of about 20 individuals / m2. Starfish food is fish, snails, clams, squid, shrimp and other molluscs. Some starfish species have the ability to turn their stomachs out to cover large foods and then digest themselves outside of their bodies. Vietnam has species such as starfish, blue starfish, pillow starfish, crunchy starfish … Each different species has a certain role, contributing to the general ecosystem, especially creating continuity in the chain. Food that once this food chain is destroyed will have a little or no impact on an entire ecosystem. Mr. Le Chien, Head of Sasa Marine Life Rescue Center, said that touching, holding, touching and catching starfish and sea creatures ashore is extremely offensive. It is being strongly condemned in many countries around the world. When people touch marine organisms, bacteria and chemicals from sunscreen, soap … on their hands can attack directly on their soft tissue. Organisms that have never been exposed and that do not have immune systems to bacteria from humans will be severely affected, even if they may not die immediately. In addition, starfish are only capable of sun exposure for a certain period of time, so bringing them ashore is extremely dangerous. In addition, not all marine life is harmless to humans. If you touch the wrong starfish species, people can be burned, shocked and killed. Not to mention there are many other toxic species such as snail. This job is also playing with their lives and loved ones. Prof.Dr Do Cong Thung said, starfish is a key species (keystone species) in the ecosystem. They are omnivores that feed mainly on scavengers, molluscs, small fish, algae or organic residues. There are more than 1,900 species of starfish around the world, living in all depths of the oceans. They play a very important role in the organic circulation, operating the ecosystem in which they exist. Therefore, the absence or degradation of starfish can lead to the collapse of the marine ecosystem.

Waste characteristic of practical agricultural product processing establishments is organic matter which smells, causes strong infection, causes enough harm to human health. Most of the food products that people use, after being used, are not properly collected and handled, creating many risks of environmental pollution. Even on many streets in Hanoi, it is not difficult to see vendors in food and beverage shops pouring leftovers into closed containers, and waste water casually pouring down the drain.
If in the suburbs, food waste is used by the people as agricultural by-products or animal feed, in the inner city, all households collect it with domestic waste. Waste collection on Trang Thi street, Hanoi. Photo: Victory Ms. Nguyen Thanh Nhan (Linh Nam ward, Hoang Mai district) shared: “There are not many people in my house gathering leftovers to feed the animals, so there is no other way to wait for workers to clean the environment. school to collect ”. Therefore, in many areas, all kinds of waste are not classified but collected together. Rice, meat, eggshell … in garbage bags, splashing, wet, smells unpleasant. According to a cleaning worker in Hai Ba Trung district, organic waste such as excess food is believed to be the main cause of bad odors, bad smells in landfills, harmful to health.
According to Prof. Dr. Dang Kim Chi – Chairman of the Science and Technology Council, Vietnam Association for the Protection of Nature and Environment, food waste is a global problem, one of the causes of pollution. current living environment. Methane from food waste generates 3.3 billion tons of greenhouse gas per year and accounts for about 7% of total emissions. In general, the improper disposal of waste also pollutes the soil and water resources. “If there is no good control as well as there is no suitable and scientific treatment method right from the production process and after use, the consequences from food waste are not small” – GS. Dr. Dang Kim Chi said.
Utilize as a resource resources
Facing pollution but difficult to manage food waste, Prof. Dr. Dang Kim Chi said that firstly, it is necessary to have radical, scientific and practical measures. First of all, it is necessary to control right from the production source, prevent harmful substances in the product from the source of waste generation. When this solution is well controlled, food waste will be reused, recycled into animal feed, microbiological fertilizer … Along with that, the second measure must strictly control food waste sources. The third method, which requires scientific contributions, when food waste has been contaminated and needs disposal, it is necessary to find a solution to separate or neutralize the toxin that follows the food waste before reintroducing it. into animal feed, organic fertilizer …
In addition to controlling right from the production source, according to the Deputy Director of the Institute of Natural Resources, Environment and Community Development Tran Thi Huong, it is necessary to utilize food waste as a resource. This is the general trend of the world to operate a circular economy to thoroughly limit the impacts of environmental pollution and utilize waste into raw materials. “The efficient use of by-products in food processing such as rice husks, bran, molasses, bagasse, organs, fish fat, mucilage biomass, crustaceans … by applying science and technology and technical progress in the stage of reproduction as well as investment and waste treatment; Implementing clean production, saving energy is to increase the surplus value by making full use of natural resources, and at the same time making an important contribution to environmental protection ”- Ms. Tran Thi Huong acknowledged. The revised 2015 Japanese Food Recycling Law requires 95% of recycling responsibilities for food processors, 70% for food businesses, and 55% for food retail stores. and 50% for restaurants. The act of intentionally disposing of bulk food, causing environmental pollution, can be subject to a very severe penalty.

This article by Dermatologist Duong Hy Xuyen (China) guides you how to exercise to sweat effectively, with the most health benefits. In this day and age, after many upheavals in both the young and the elderly, people have come to realize the benefits of exercise, which seems like a good thing, but there are many. People who try to sweat a lot while exercising to detox and beautify, does this really make sense? See the bicycles spinning in the gym, sweat-soaked clothes on a certain machine, fat-burning exercises sweating on video tapes, etc, all connected to the “sweat” and think that is the effective way to exercise. There are many people who always think “sweating a lot is a good thing”, even misleading others. So, how to understand correctly about “sweating”, let’s refer to the following analysis from Professor Xuyen. Prof. Dr. Duong Hy Xuyen (China) Sweating too much can really be poisonous? In the composition of sweat, water actually accounts for the largest proportion, as high as 99.0% ~ 99.5%. Other ingredients make up only 0.5% to 1.0%, including inorganic salts such as sodium chloride and potassium, and other organic substances such as lactic acid, urea, ammonia, amino acids, proteins, breakdown enzymes. protein, histamine and prostaglandin. When we work to shed a lot of sweat, the human body doesn’t really have that much poison, sweating cannot achieve the purpose of beauty, skin care, and beauty improvement. Therefore, no matter how much you sweat, most of it is just water in your body. Furthermore, the normal human metabolism is done through the liver and kidneys, sweat will not be able to remove all the “toxins” in the body through the skin surface, I beg sincerely advise people not to believe these excuses. Is there a difference between sweating during sports and sweating normally? In fact, there isn’t much of a difference. Sweating is an instinctive feature of the human body to self-regulate body temperature. In this way, normal body temperature is maintained. Factors such as temperature, physical condition, and exercise intensity will affect the amount of sweat and will vary widely between individuals. So, don’t always feel like something is wrong just because it is a little different … Just the body feels comfortable and the amount of perspiration more or less is normal. Along with this theory, so does the steam bath for sweating. When you do a steam bath, your body can’t excrete the so-called “toxins” or fat that you want to get rid of day in and night out. Sweating during exercise can help skin beautify? There is no denying that perspiration is really good for the skin. On the surface of the skin, a large amount of sweat and sebum blends to form a sebum film covering the skin surface, which is the skin’s most natural moisturizer. In the immediate future, the excretion of a large amount of sweat will increase the moisture on the surface of the skin, this is like when you have just finished bathing or finished masking, you feel your skin whiter, moist and softer. But the effect was short-lived, the effects of sweat on the skin were also short-lived. Regular exercise speeds up your skin’s metabolism, but it doesn’t mean that the more you sweat, the better your skin is. You need to separate this difference. Sweating a lot, if you do not replenish water in time, your body will be disturbed with water and electrolytes, your body will lack water, making you feel uncomfortable. What if I sweat too much? 1, Dehydration Sweating a lot, losing large amounts of water and electrolytes, if not replenished in time, can cause water and electrolyte disturbances, nausea, dizziness and other unpleasant symptoms. . 2, Dermatitis Excessive sweating can irritate the skin when clothes have poor ventilation, if exercised for a long time, perspiration absorbed into the body can cause folliculitis and a rash. After exercising, you should do the following: ● Promptly replenish water after exercise, adhere to the principle of drinking in small amounts and many times, not drinking too much water at the same time; ● Proper stretching of the body after exercise can relax the muscles and return the body to normal; ● Dry your body promptly after sweating and wear clean clothes to avoid persistent perspiration causing skin irritation; ● Since exercise consumes a lot of energy, maintaining a well-balanced diet after exercise can help restore fitness. * According to The Paper, Weixin

Two patients with corneal patient. Photo: BV. Information from Hue Central Hospital said that recently, under the direction of Prof. Dr. Pham Nhu Hiep – Director of Hue Central Hospital, the Hospital’s Eye Center has conducted corneal transplant surgery for 2 diseases. benevolent corneal donor in Gia Lai. Before that, when receiving information from the National Organ Transplant Coordination Center about the case of a patient from Gia Lai who wishes to donate cornea, the physician of the Eye Center and the Organ Transplant Center, Hue Central Hospital went to visit the patient. After studying the feelings and aspirations of the corneal donor, the doctors returned to the hospital to conduct examination and selected the 2 most suitable patients from the long list of patients waiting for corneal transplant. When the corneal donor took the last breath, the physician of Hue Central Hospital took cornea and performed the transplant immediately for the ready patient. The first is a 43-year-old female patient in Quang Ninh district, Quang Binh. This patient with necrotic corneal ulceration that leads to perforation without early corneal transplantation is at higher risk of intraocular infection and eye damage. Thanks to the timely corneal transplant, the patient has preserved his eyes and restored his eyesight and can see within a distance of 3m. If the postoperative treatment results are good, the patient’s vision will surely increase much. The second person to receive a corneal transplant is a 74-year-old male patient residing in Huong Thuy, Thua Thien Hue. 2 eyes with corneal scarring for many years with both eyes vision can only distinguish light and dark. After a week of surgery, the patient’s vision was partially restored, he was able to walk and see everything within a distance of 2 meters. The patient’s foresight will be well restored in the future.

This article by Dermatology Professor Duong Hy Xuyen (China) recommends the skin whitening forms that are common among Asian women today.

Professor, Doctor of Dermatology Duong Hy Xuyen

For Asian women, skin whitening seems endless.

Everyone has tried a number of skin whitening products, skin care methods or beauty treatments, … in more or less different levels.

Some may be effective, and more may be ineffective.

Today, I will tell you about 4 common “pits” on women’s skin whitening path, which are not only ineffective in improving skin tone, but they can even cause skin whitening. Harmful to your whole body and health.

1, The safety of the skin whitening injection is still in doubt

The main ingredients of these injectable whitening drugs are usually vitamin C, tranexamic acid, glutathione, … and the price is generally not high. Some people may become whiter after the injection, but it doesn’t give a good effect in terms of what we actually see.

More importantly, there are not enough research data to support the safety and long-term effects of the large amounts of these ingredients delivered into the body.

In addition, the US Food and Drug Administration (FDA) has issued a special warning that injectable skin whitening products have not been approved. The whitening injection products may contain substances of unknown origin, related to a safety concern. Frequent non-routine injections can also cause infectious diseases.

2, Oral whitening pills and whitening liquids are not necessarily safe

Oral medications or skin whitening solutions often contain vitamin B, vitamin C, vitamin E, glutathione or other more complex substances.

In theory, these ingredients may have a certain whitening effect, but the biggest problem with whitening pills is safety.

Currently, there is not enough data to prove the safety of these ingredients when taken orally, the amount we need to take for effective skin whitening, and whether long-term use causes side effects.

These are areas that need to be studied further in the medical field, rather than simply stacking theoretical whitening ingredients together and combining different whitening drugs.

The main ingredient of some skin whitening drugs is tranexamic acid

Tranexamic acid is commonly used to treat fungal scalp disease and other skin problems, but as a prescription drug, it has many contraindications to its use and can also potentially cause an adverse reaction. Harmful application.

Even when indicated, the recommended oral dosage of many such skin-whitening drugs is much higher than the one recommended by your doctor, and taking it on your own would pose a great risk of unsafety.

3, Be wary of advertising products with fast and good whitening effect

Normal skin whitening products need to be used for 2 to 3 months to have a certain effect.

For some products that claim to have noticeable changes in skin color within 1 to 2 weeks of use, we should be wary of any addition of illegal substances without know.

For example, mercury is an element that is often illegally added to whitening products. It has a good whitening effect in a short time but is very toxic; Mercury salts in illegal skin care products are easily absorbed through the skin into the bloodstream, causing damage to the body, such as causing brain or liver damage.

4, Wash your face with milk, rice water or vinegar can not whiten your face

Milk and rice water contain certain nutrients, so many people think that washing your face with rice water will bring nutrients to your skin. However, in fact, there is no other benefit besides speeding up the reproduction of bacteria on the skin.

Vinegar is an acidic and very irritating substance, washing your face with vinegar can burn your face and your skin barrier will also be destroyed.

After reading the above content, you should know that the skin whitening methods introduced by many people are not sure to be reliable, and do not be easy to believe, you only see temporary whitening but cannot see side effects afterwards.

The correct skin bleaching method needs to be confirmed to be effective under the premise of science. Do not arbitrarily whiten without understanding the harmful effects behind.

* According to The Paper, Weixin