Gene editing has made hamsters aggressive and overly sociable

The researchers wanted to use gene editing to change the social behavior of angry hamsters to make them kinder and shyer. It turned out the opposite - the rodents became hyper-aggressive and too sociable. The biology of social behavior is more complex than they thought, scientists say. This means that such experiments on humans are still far away.

Scientists have collected the largest database of pictures of animals in the Amazon.

The Wildlife Conservation Society (WCS) has donated 57,000 images from camera traps in the Amazon to an international team of scientists. Now the total database contains 120,000 images taken in the river basin on the territory of eight countries. From 2001 to 2020, 289 species were captured by the lens. There are jaguars, anteaters, tapirs, toucans, cougars, spectacled (Andean) bears in the pictures. They live on an area of ​​8.5 million square kilometers. This largest photo archive will help scientists track and document habitat loss, climate change and species behavior.

The first operation to restore hearing was carried out 5.3 thousand years ago.

In Burgos, the remains of a woman aged 5.3 thousand years were found. On her skull, traces of a surgical operation to restore hearing were found - the very first of all documented. A patient with an ear infection underwent two mastoidectomy and survived. This is evidenced by traces of tissue regeneration around the surgical openings in the skull.

In Norway, they came up with a road surface that absorbs carbon dioxide

Carbon Crusher has developed an environmentally friendly road surface made from biomaterials. It absorbs CO₂ and reduces the carbon footprint of trail repairs. The Norwegians replaced the bitumen with the organic polymer lignin. It remains as waste after paper production. When using this technology, 3.5 times less carbon is emitted into the atmosphere in a section of 30 meters than usual.

The study showed that environmental pollution kills nine million people every year.

Most of them are Africans. The damage to the global economy from environmental degradation is estimated at 4.6 trillion dollars a year. The top 10 affected countries include Chad, Central African Republic, Niger, Solomon Islands, Somalia, South Africa, North Korea, Lesotho, Bulgaria and Burkina Faso.

Small and big flaws in each zodiac sign. Twins.

Gemini: rattle A conversation with Gemini can be compared to an avalanche that hit you. Because this sign loves to communicate, whether you're having lengthy discussions or sharing the latest gossip. The main thing is to speak. Geminis rarely know how to keep secrets. However, they are cheerful companions.

What should be avoided by each sign of the zodiac. Virgo.

Virgos induce rage in others due to their tendency to interfere in other people's affairs, sharp tongue and impassive attitude towards others. Try not to show such a "wild" interest in other people's affairs, and then everything will be fine.

Top 10 pairs of zodiac signs with perfect compatibility.

Top 7. Virgo and Taurus. Compatibility: 92% They live in harmony with each other and with the world, so there will be no broken dishes and other consequences of scandals in their house. Both Virgo and Taurus love to return after a hard day to a quiet family nest. They like a common company, they are both earth signs, so they perfectly understand and complement each other.

Signs that do not know how to manage finances. Aries.

Money needs to be spent - that's what they're made for. Some of them are “teared from the heart”, others easily part with them even to the detriment of primary needs. We at uznayvse.ru turned to astrology and found out which features of which zodiac signs imply a rather easy attitude to money. Aries People with pronounced Aries traits are not the type to weigh the pros and cons when making a decision. The active and decisive ruler of the sign Mars makes its representatives impulsive - in the matter of spending money too. If Aries wants something, he goes and takes it. The purchase will lose value for him if Aries begins to consider its expediency. And having made a mistake, he will not lament and, rather, give up on it. Bold spending rarely leads Aries to financial problems. Typical representatives of the sign, especially the Aries Men, are active and enterprising. If necessary, they will find funds for everything that is needed.

DAILY HOROSCOPE May 20

Capricorn♑️ Do not put off important conversations: this day is great for them. You can discuss the most serious issues; will be able to calmly talk about that, because of which there were many disagreements before. Potentially interesting offers. It is possible that you will have a chance to take part in the work on some promising project. Aquarius♒️ The day will be successful in terms of finances. Possible cash receipts from unexpected sources, profitable deals. Business proposals that promise quick and rapid growth in income are not excluded. Here it is worth listening to intuition: its tips will help you make the right decision. Pisces♓️ Show initiative. Today, much will be in your hands, and it is important not to get confused, not to miss a favorable moment. Your ideas, which previously seemed too bold or just strange to others, will receive support today. Some Pisces will find allies whose support will make a lot of things possible.

DAILY HOROSCOPE May 20

Libra♎️ Do useful things. Do not waste time on something that does not bring any tangible results. It is better to focus on solving simple practical issues than to argue on abstract topics or think about things that do not depend on you. Scorpio♏️ If you have big plans, it’s worth starting to implement them in the morning. It is the first half of the day that will be especially favorable. The stars will support many of your undertakings, much will be easier than you expected. People from whom you did not expect anything like this can help. Sagittarius♐️ Don't expect too much from others. Today, not everyone will be able to meet your expectations, even proven allies can disappoint. It is possible that long-standing agreements will be violated. However, you will achieve noticeable success if you act on your own. The ability to make decisions quickly, to be creative even in solving everyday problems, will come in handy.

DAILY HOROSCOPE May 20

Cancer♋️ The day is suitable for talking about work, meeting people who can help you achieve your professional goals. You will make a good impression on many, even those who are usually critical and notice only the shortcomings of others will like you. Leo♌️ Focus on solving big issues. Today, it will not take you much time to sort out an ambiguous situation, get useful information, and draw the right conclusions. Many will listen to your opinion. It is possible that you will have reliable allies who will eventually become true friends. Virgo♍️ Do not start the day with arguments or some unpleasant conversations. It is better to postpone the discussion of complex issues for at least a few hours. In the morning, it will be difficult for you to agree even with those with whom you used to get along very well. Any misunderstanding can be the reason for disagreement.

DAILY HOROSCOPE May 20

Aries♈️ Try to avoid stressful situations at the beginning of the day. At this time, you will be especially sensitive, so any minor incident can ruin your mood, and an innocent remark can seem offensive. It is better to postpone conversations with those who are usually happy to make critical remarks, but are stingy with kind words. Taurus♉️ Postpone important meetings and negotiations until the afternoon. In the morning it will be difficult to find a common language even with those with whom you previously got along well. It is hardly possible to avoid working disputes, besides, others will interfere in your affairs much more often than usual. Gemini♊️ Try to maintain self-control: today it will be very useful to you. There will be more worries than usual, you will have to deal not only with your own, but also with other people's affairs. Long-standing agreements may be violated, so you will have to change plans on the go. The ability to improvise and find non-standard solutions will be very helpful!

We collect breakfast according to the principle of a rational plate.

Try to keep protein sources varied so that the body receives the full spectrum of amino acids. Make sure your diet contains enough fats, both saturated and unsaturated. Try to have at least 400 grams of vegetables in the diet per day and that they are varied. Make sure you have enough carbohydrates. Approximately half of your entire diet should come from carbohydrates - this is what recent studies say - less and more - increases the risk of cardiovascular disease. Make sure you enjoy food!

Products that slow down aging.

It is enough to follow simple rules of nutrition so that old age recedes. The main thing is no frills and a little bit of everything. Therefore, I have identified several products to slow down aging. The main ones are vegetables, fruits, yogurt, milk, wine. Yes, wine, but real and in small quantities! In the first place is natural yogurt made with the help of a Bulgarian bacterial bacillus. Natural yogurt is the most digestible food. It prevents cancer of the stomach and colon, stops the development of osteoporosis.

Head massage is beneficial because:

Stimulates hair growth. Massage of the scalp stimulates blood circulation, increasing blood flow to the hair follicles - the birthplace of the hair, thereby providing oxygen and nutrients necessary for its growth. As a result, hair growth is enhanced. Preserves the beauty of the hair. Due to more active oxygen saturation, the scalp is easier to get rid of waste products and excess sebum. This creates a healthier hair environment, resulting in stronger, healthier and shinier hair. Prevents hair loss. Freed of waste products and sebum that block oxygen to the roots, healthy hair is less prone to falling out. Head massage also helps prevent stress-related hair loss due to its relaxing effect.

Three good reasons to eat apples more often

Just two apples a day can cleanse your circulatory system of cholesterol cells by 10-25%. Therefore, all people who neglect proper nutrition and eat foods that increase blood cholesterol levels should eat apples more often. Regular consumption of apples contributes to the fact that the walls of blood vessels protect the blood from the occurrence of cancer cells, and also reduce their number if they have already appeared. Fresh apple juice calms the nerves, so it is useful to drink it after a nervous shock. By the way, doctors are confident that natural apple juice can calm a capricious baby who cries non-stop and does not allow parents to sleep.

Due to some habitual products, the level of anxiety increases.

Coffee. The caffeine included in coffee, when consumed in excess (more than 3 servings of espresso), can provoke an anxiety disorder and mood swings. Energy and soda. A high content of saccharose, glucose, phosphoric acid can increase the risk of heart attack, stroke, even at a young age. Sweets and pastries. Organism responds to sharp changes in the level of saxar in the blood by releasing adrenaline, which, in turn, can be perceived by the body as an alarm signal and cause great anxiety. Alcohol. Sleep disturbance, effects on serotonin levels, dehydration (this is a side effect of alcohol) can increase anxiety symptoms.

Signs of aging and deficiencies.

The appearance of the first gray hairs, which begins at the age of 30, is a deficiency of copper, iron, vitamins B3, B5. A decrease in the vital capacity of the lungs by 50% - a violation of regeneration - this is a deficiency of zinc, vitamin A, physical inactivity. Decreased grip strength of the hand, muscle weakness - deficiency of protein, L-carnitine, vitamin E, physical inactivity. Reduced skin elasticity - violation of collagen biosynthesis, deficiency of vitamin C, zinc, copper, protein. It is also associated with a decrease in acidity in the stomach. Reduced visual acuity - deficiency of vitamin A, antioxidants, selenium.

A real man.

A real man is the one who is on the shoulder, and not on the drum. A real man knows how to listen, hear and understand. He is short in words and unlimited in deeds... Being a real man does not mean subjugating a woman, but it means behaving with her in such a way that she does not want to love anyone but him.