• What are the sources of rugby?

    What are the sources of rugby?

    The history of rugby can be traced back to ancient times, although its origin is controversial, the earliest form related to modern rugby can be traced back to England. Some historians believe that rugby originated from ancient folk games, similar to activities in ancient Greece and Rome where participants attempted to pass a spherical object to each other. Similar games exist in different cultures around the world, but these games may not be directly related to the development of modern rugby. In the UK, a type of activity called mob football was very popular during the Middle Ages, where participants used kicking, pushing, and grabbing to pass ball shaped objects (usually inflatable animal bladders) to the opponent's target area. This type of activity is often chaotic and intense, without clear rules. The forms of stone kicking vary in different regions of the UK, but they all laid the foundation for the development of rugby. At the end of the 19th century, British schools and universities began to establish rules to regulate football matches in order to compete between schools. These rules gradually formed the foundation of modern rugby, including passing, touchdowns, blocking, and so on. The most famous is in 1823, when William Webb Ellis reportedly changed the rules of the game in a game at the Rugby School in England, he picked up the football and ran towards the opponent's goal. This story is considered a legend of the origin of rugby, and although the authenticity of the facts is controversial, it holds an important position in the history and culture of rugby. Since then, rugby has gradually developed into a global sport, including the establishment of the International Rugby Board (now World Rugby) to unify and manage the rules and competitive system of rugby. Modern rugby is divided into different forms, including Rugby Union and Rugby League, each with a unique set of rules and gameplay.

    Rugbysource
    2023-06-01 09:31:17
  • Why is sea water salty? What should I do if I drink seawater?

    Why is sea water salty? What should I do if I drink seawater?

    The main reason for the salty taste of seawater is that many kinds of salts are dissolved in it. Here are some of the main factors that contribute to salty sea water: Salt dissolution: Seawater contains a variety of salts, the most prominent being sodium chloride (table salt). When water flows through places like rocks, soil, and rivers, it carries and dissolves various kinds of salts. These dissolved salts end up in the ocean, making the water taste salty. Geophysical chemical processes: Geophysical chemical processes such as ocean circulation and evaporation can also lead to increased salt concentrations in seawater. When sea water evaporates, the water evaporates and the salts concentrate, increasing the concentration of salt in the remaining water and making the water even saltier. Marine biological activity: Biological activity in the ocean may also have an effect on the saltiness of seawater. For example, plants and animals in the ocean absorb and excrete salt, and these processes may have some effect on the salinity of the sea water. It is important to note that although seawater is salty, the salinity of seawater will vary from region to region, depending on factors such as the location, the depth of the water and the amount of fresh water it receives. In addition, salty water has an important impact on the balance of Marine ecosystems and biodiversity. Marine organisms adapt to high-salt environments and choose suitable habitats and survival strategies in response to changes in salinity. Drinking seawater is unsafe and not recommended because the high concentration of salt in seawater is harmful to human health. Here are the dangers of drinking seawater and what to do about them: Dehydration: The high concentration of salt in seawater can exacerbate dehydration in the body rather than provide hydration. Drinking seawater can cause the body to expel water faster, exacerbating dehydration. Kidney burden: Consuming a lot of salt puts a strain on the kidneys and increases urine production, which further exacerbates dehydration. Gastrointestinal discomfort: Too much salt in seawater can irritate the gastrointestinal tract, causing digestive problems such as nausea, vomiting, abdominal pain and diarrhea. Here's what to do if you accidentally drink seawater: Stop drinking seawater: Stop drinking seawater immediately to prevent further ingestion of water with high salt concentrations. Get fresh water: Drink plenty of fresh water to rehydrate your body and relieve symptoms of dehydration. Monitor symptoms: Keep an eye out for worsening physical symptoms, especially dehydration. If symptoms are severe or persistent, seek medical attention as soon as possible. Rest and Recovery: Give your body plenty of rest and recovery time to help it adjust and repair. Precautions are key, and avoiding seawater is the safest thing to do. During outdoor activities, make sure to carry an adequate supply of fresh water to meet your body's moisture needs. If you run out of water, you can find other sources of safe water, such as fresh water springs, rain water, or treat the water by purifying it.

    Sea waterWhat makes the sea saltySeawater salinityThe dangers of drinking seawaterSymptoms of dehydration
    2023-05-31 15:19:24
  • Why do airpods only have sound on one side? How do I get my voice back?

    Why do airpods only have sound on one side? How do I get my voice back?

    There are several possible reasons why AirPods have sound on one side: Mono mode: In some cases, AirPods may be set to mono mode. This means that the sound will only be played from one earpiece (left or right ear). You can check and adjust the audio output Settings of the headset by checking the audio Settings in the Settings to ensure that dual-channel mode is selected. Headphone connection issues: Sometimes, the AirPods' connection can be erratic or incomplete, resulting in only one earphone working properly. Try putting the AirPods back in their charging case, and make sure they are properly connected and paired. You can also try repairing it with other devices to eliminate connectivity issues. Volume balancing Settings: Some devices may have volume balancing Settings, which may cause the volume on one side to be low or turned off. You can check the volume balance Settings in the device Settings and adjust them to balance. Earphone failure: If none of the above fixes the problem, it's possible that the AirPods themselves are faulty. In this case, it is recommended that you contact Apple Customer Support or visit an Apple authorized service center for repair or replacement. Note that these are only common causes, which may vary depending on device Settings, connection status, or hardware problems. If the problem persists, it is recommended that you consult the relevant technical support personnel or headset manufacturer for a more accurate diagnosis and solution. How to fix the sound recovery? If your AirPods have sound on only one side, here are some possible fixes: Re-pair the headphones: Put the AirPods back in their charging case, wait a few seconds before removing and re-pairing them with your device. This can help re-establish a stable connection and restore sound. Clean the earphones: Check the AirPods audio output hole and speaker part for dust or dirt clogging. Gently wipe the headphones with a soft, non-woven cloth and make sure to clean the audio output hole. Adjust volume balance Settings: Check your device's volume balance Settings. If the balance setting is skewed to one side, adjust it to balance to ensure that both sides of the sound work properly. Check device Settings: Check your device's audio Settings to make sure the sound output is set to dual-channel mode, not mono mode. Restart the device: Try restarting your device, which can sometimes resolve connection and sound-related issues. Update software: Make sure the software on your device and AirPods is up to date. Sometimes, software updates can fix issues related to sound. If you try the above methods and the problem persists, you may need to check further or contact Apple's customer support or go to an Apple authorized service center for help. They can provide more specific troubleshooting and repair advice.

    AirPodsAirPods are silentRestore voiceMono modeVolume balance Settings
    2023-05-31 12:17:44
  • Why the tax refund? How to refund the tax?

    Why the tax refund? How to refund the tax?

    A tax refund is the process by which taxes paid are returned to the taxpayer. The reasons and ways of tax refund may vary from country to country and region. The following are the reasons and common ways of tax refund in general: Overpayment of tax: When a taxpayer has paid more than the amount of tax due in a certain period of time, he may apply for a refund of the excess tax. Tax deductions and benefits: Some countries and regions offer specific tax deductions and benefits, such as tax breaks or exemptions for certain expenditures (such as education and medical expenses), investments or entrepreneurial activities. Transnational taxation: Transnational tax arrangements may be involved in international trade and the activities of transnational corporations. Multinational corporations and individuals may have the opportunity to claim tax refunds or deductions in accordance with international tax agreements and regulations. The specific procedures and requirements for tax refund vary from country to country and region. Generally speaking, the following are some common ways of tax refund: Tax return: Taxpayers are required to complete and submit tax returns in accordance with local tax regulations. In the return, the taxpayer can declare whether he or she is eligible for a refund. Tax refund application: In some cases, the taxpayer may need to submit the tax refund application separately, providing relevant documents and supporting materials so that the tax authorities can verify and process the tax refund affairs. Direct refund: In some countries and regions, taxpayers can receive the refund directly after filing the tax, such as by bank transfer or check. Please note that the specific procedures and requirements for tax refunds may vary by country and region. It is recommended that you consult your local tax authority or a professional tax adviser to understand the tax refund regulations and procedures that apply to your individual situation.

    Tax refundReasons for tax refundTaxesTaxpayerTax refund application
    2023-05-31 11:19:34
  • Why is the most charming the most dangerous? Where does this expression often appear?

    Why is the most charming the most dangerous? Where does this expression often appear?

    It is a common saying that the most attractive are the most dangerous, which means that those who are physically attractive and attractive are often potentially dangerous. This statement can be interpreted in many ways. Here are some common explanations: Seduction and deception: Some people may use their charm and attraction to seduce and deceive others for their own purposes. They may be good at manipulating others' emotions and exploiting their weaknesses. Erratic and impulsive behavior: Some physically attractive people may have unstable personality traits and may be prone to impulsive behavior and irresponsible decision-making. This kind of behavior can be harmful or dangerous to those around you. Narcissism and self-centeredness: Some charismatic people may be so narcissistic and self-centered that they may put their own needs and interests first, regardless of the feelings and interests of others. Deception and manipulation: Charm and attraction can make it easier for people to gain the trust and cooperation of others to manipulate and control their behavior. This ability may be used for personal gain or immoral purposes. It's important to note that this statement doesn't apply universally to all attractive people. It simply points out that certain attractive people can be potentially dangerous. People should be alert when interacting with others and make judgments and decisions based on the actual situation. Physical attractiveness should not be the sole basis for judging whether a person is trustworthy and reliable. The most fascinating is the most dangerous is often said where else? This expression is often used in social and emotional contexts, especially in discussions about relationships and relationships. It may be mentioned in the following situations: Talk about love and relationships: This expression is sometimes used to warn people of potential danger when talking about an attractive object or someone attractive. This suggests that physical attractiveness does not necessarily indicate a person's quality and dependability. Psychology and relationship discussions: In the study and discussion of psychology and relationships, this term may be used to discuss how people should be vigilant in choosing a partner or forming a relationship, and not just be attracted by looks and attractiveness. Literature, film, and media: This expression is also often used in literature, film, and media as part of a plot or as a warning to the audience. This could be portraying a character who is outwardly attractive but actually has negative motives, or describing the risks and challenges that people may face when interacting with attractive people. It's important to note that this statement isn't absolute and doesn't apply to every attractive person. Each person is unique and has his own values and qualities. Therefore, we need to evaluate a person's reliability and quality by taking into account a number of factors, rather than relying solely on appearance and attractiveness.

    The most fascinating are the most dangerousSeduction and deceptionDangerRomantic relationshipPsychology
    2023-05-31 11:16:44
  • Why do you have loose bowels? How did loose bowels stop diarrhea?

    Why do you have loose bowels? How did loose bowels stop diarrhea?

    Loose bowels (diarrhea) is a condition in which the stool becomes thinner or has an increased number of bowel movements. Diarrhea can be caused by a variety of reasons, including the following common conditions: Digestive system infection: Diarrhea is one of the most common symptoms of digestive system infection. Bacterial, viral or parasitic infections of the gut can cause inflammation of the digestive system, causing diarrhea. Food poisoning: Ingestion of contaminated food or water can trigger food poisoning, causing diarrhea and other gastrointestinal symptoms. Dietary problems: Improper eating, such as consuming too much greasy food, spicy food or too much caffeine, may also lead to diarrhea. Side effects: Some drugs, such as antibiotics, antibiotics, non-steroidal anti-inflammatory drugs and some anticancer drugs, may cause diarrhea as a side effect. High stress: Emotional stress and tension may affect bowel function and cause diarrhea. Allergies or food intolerances: Some people are allergic or intolerant to certain foods or ingredients and may experience diarrhea after ingestion. Intestinal disorders: Certain intestinal disorders, such as inflammatory bowel diseases (such as Crohn's disease and ulcerative colitis) or irritable bowel syndrome, may also cause chronic or recurrent diarrhea. If diarrhea is severe, prolonged, or accompanied by other serious symptoms, it is recommended to consult a doctor for accurate diagnosis and treatment recommendations. Based on the history, symptoms and necessary laboratory tests, the doctor can determine the cause of the diarrhea and develop a treatment plan accordingly. How did loose bowels stop diarrhea? If you are experiencing diarrhea, here are some common ways to relieve diarrhea symptoms: Hydrate: Diarrhea can lead to fluid loss, so it's important to keep your body hydrated. Drinking water, oral rehydration solution with salt and sugar, coconut water, or other light liquids will help to replenish water and electrolytes. Follow the BRAT diet: The BRAT diet refers to foods that are easily digested, including bananas, rice, applesauce, and potatoes. These foods help relieve gastrointestinal upset and provide some nutrients. Avoid irritating foods: Avoid irritating foods such as spicy foods, fried foods, caffeine and alcohol, which may irritate the intestines and worsen diarrhea symptoms. Practice good hygiene: Practice good hygiene, including frequent hand washing, avoiding contact with pathogenic bacteria, and proper handling of food, to reduce the risk of infection caused by diarrhoea. Rest: Rest is very important for your body's healing and recovery. Try to avoid overworking yourself and give your body plenty of rest. If diarrhea symptoms are prolonged, severe, or accompanied by other serious symptoms (such as high fever, bloody stools, persistent vomiting, etc.), it is recommended to consult a doctor as soon as possible. The doctor can assess the condition, determine the cause of the diarrhea, and recommend appropriate treatment. In some cases, antibiotics or other specific medications may be needed to treat diarrhea.

    DiarrheaCause of diarrheaStop diarrheaDiarrheaInflammatory bowel disease
    2023-05-31 11:16:44
  • Why does Liu Zhen want to operate? Why does Liu Zhen cut off toe?

    Why does Liu Zhen want to operate? Why does Liu Zhen cut off toe?

    How did Liu Zhen find out he had heart disease? Liu Zhen is an entertainer from Taiwan. She likes dancing since childhood. When she grew up, she became a professional dancer and won the champion of ballroom dancing for many times. How did Liu Zhen find out he had a heart attack? The original Liu Zhen once accompanied his daughter to the hospital to see a doctor, the doctor needs to use a stethoscope to judge the daughter's condition, but the daughter saw the doctor's stethoscope after feeling afraid, always refused to let the doctor's stethoscope close to their own, Liu Zhen personally for her daughter to do a demonstration action, the stethoscope on his chest, And the doctor at this time sensitive to capture Liu Zhen heart problems, advised her to do a check, sure enough, Liu Zhen was found to congenital heart valve stenosis! Why does Liu Zhen want to have heart surgery? When Liu Zhen was found to have congenital heart valve stenosis, she did not care too much about it, after all, a disease did not affect Liu Zhen's life, Liu Zhen never felt uncomfortable before, and this disease is divided into mild and severe, Liu Zhen's heart valve stenosis degree is not too serious, and this disease belongs to the slow onset, the onset is very slow, if it is mild, It may not occur for a lifetime, even if it is a severe case, the onset is slow, but the onset of a severe case will be very deadly! Liu Zhen and her husband Xin Long have a lovely daughter, Liu Zhen wants to give her husband a son, but people with narrow heart valves, pregnancy can be risky, so Liu Zhen decides to go for heart surgery, itself a small operation, the chance of success is very high, however, Liu Zhen after the operation, there is a cardiac arrest, and the situation is very serious, Liu Zhen has been unconscious since the operation! Why does Liu Zhen cut off toe? After the heart operation, Liu Zhen began to fall into a coma. In order to keep Liu Zhen alive, the doctor had to implant Yeke membrane into Liu Zhen's heart, and then carried out the operation of ventricular assist device. Even so, Liu Zhen still did not wake up. Although auxiliary equipment helped Liu Zhen's heart with blood supply, side effects still appeared after the surgery. Liu Zhen's insufficient blood supply led to insufficient blood supply to her brain and toes. She had to have her toes amputated to save her life. What a cruel thing for a natural dancer to amputate a toe. Liu Zhen passed away after more than 40 days in a coma, leaving behind her lovely daughter and loving husband Xin Long!

    Yoo JinLiu Zhen operatesQueen of ballroom dancingLiu Zhen amputates his toesLiu Zhen Operation
    2023-05-31 11:15:29
  • Why should people live? What do people do with their lives that makes sense?

    Why should people live? What do people do with their lives that makes sense?

    Why people should live is a profound question that touches on the meaning and values of human existence. Different people may have different answers, but here are some common ones: Experience life: Life itself is a precious experience, one longs to feel all kinds of emotions, experience all kinds of things in the world, and get pleasure and satisfaction from it. The pursuit of Happiness and satisfaction: People want to live happy, meaningful and fulfilling lives. This may include pursuing personal goals, building meaningful relationships, achieving personal achievement and development, etc. Realizing your Personal Potential: Everyone has unique talents and potential. Life can provide people with the opportunity to realize their potential and develop their talents and skills. To care and be cared for: Humans are social animals, and we desire to connect with others, to care for and to be cared for. Living can build deep relationships with family, friends, and community, and grow together with each other's support and love. The pursuit of knowledge and exploration: the innate human desire for knowledge and understanding of the world. Living enables people to pursue knowledge, explore the unknown, and find satisfaction in learning and discovery. Create and contribute: In the course of life, people have the opportunity to create, develop and contribute to society. Through individual effort and creativity, people can make a positive impact on others and society. These ideas are just a few of the common answers people give about why they want to live, and each person's answer to this question may be different. An individual's values, beliefs, cultural background and personal experience will all influence the answer to this question. Above all, everyone has the right to find purpose and meaning in their own lives in order to live a full and meaningful life in this world. What do people do with their lives that makes sense? The meaning of one's life varies according to one's values and outlook on life. Here are some common activities and values that are considered to give meaning to life: Pursue Your Goals and dreams: Setting and pursuing your goals and dreams gives meaning and motivation to your life. These goals can be professional success, personal growth, learning new skills, implementing creative projects, etc. Building and maintaining relationships: Building deep relationships with others, caring for and supporting others, is an important factor in what many people find meaningful in life. This includes relationships between family, friends, partners and communities. Contributing to society and serving others: By contributing to society, helping others, and participating in charitable activities, people can feel the meaning and value of life. This could be volunteer work, charity, environmental action, etc. The pursuit of knowledge and personal growth: Continuous learning, the pursuit of knowledge and personal growth can bring deeper meaning to life. This can be done through reading, learning new skills, or engaging in training or educational activities. Creation and expression: By creating art, literature, music, dance, writing, or other forms of expression, people can search for meaning in their lives and communicate their inner thoughts and emotions to others. Cultivate physical and mental health: Taking care of your physical and mental health is an important way to give meaning to your life. Through exercise, healthy eating, good sleep and mental health practices, people can enjoy more fulfilling and meaningful lives. Keep in mind that everyone has a different understanding and pursuit of the meaning and values of life. The important thing is to find activities and values that are meaningful to you and to pursue and achieve them with a positive attitude. Whether it's a small daily action or a larger life goal, the key is to align yourself with your inner values and look for things that make you feel fulfilled and purposeful.

    Why do people liveAliveExperience lifeThe meaning of livingGoals and dreams
    2023-05-31 11:13:39
  • Why does the nose bleed? How to stop bleeding nose?

    Why does the nose bleed? How to stop bleeding nose?

    Nosebleeds are caused by a broken or injured blood vessel in the nasal cavity, causing blood to flow out of the nostrils. Here are some common causes of nosebleeds: Dry nasal passages: Dry nasal passages may cause the blood vessels in the nasal passages to become brittle and burst easily. Dry nasal passages can be caused by a dry climate, low humidity, prolonged inhalation of dry air, or excessive use of air conditioning. Nose injury or trauma: Damage to the nose caused by a blow, blow or other force can cause a blood vessel to burst and cause a nosebleed. Nasal infections or inflammation: Conditions such as nasal infections, sinusitis, and allergic rhinitis may cause blood vessels in the nasal cavity to become congested and inflamed, increasing the risk of blood vessels bursting. Hypertension: People with hypertension may be more susceptible to nosebleed due to increased vulnerability of blood vessel walls. Blood clotting problems: Certain blood clotting disorders, such as abnormal platelet function or lack of clotting factors, can cause poor blood clotting and increase the risk of nosebleeds. Drug use: Certain drugs, such as anticoagulants (e.g., warfarin), non-steroidal anti-inflammatory drugs (e.g., aspirin), etc., may affect the ability of blood to clot and increase the likelihood of nosebleeds. High altitude: At high altitude, the air pressure is lower, which may cause the blood vessels in the nasal cavity to dilate, increasing the incidence of nosebleeds. How to stop bleeding nose? To stop nosebleeds, try the following: 1. Sit up straight and lean forward: Keep your head higher than your heart. This helps reduce blood flow to your nasal passages and prevents blood from flowing into your throat. 2, gently pinch the nostril: With a tissue, a clean cloth or your thumb and index finger gently pinch the nostril. Apply moderate continuous light pressure and do not overdo it so as not to re-irritate the nasal cavity. 3, avoid blowing your nose hard: during nasal bleeding, try to avoid blowing your nose hard, so as not to stimulate the nasal vessels again. 4. Cold compress: Put ice cubes or cold wet towels on the nose and bridge of the nose to help constrict blood vessels and reduce bleeding. However, avoid putting cold objects in direct contact with your skin to avoid frostbite. 5, warm water rinse mouth: with warm water gently gargle, can remove the blood in the mouth, reduce the throat of the blood choking. 6. Don't put your head up: Avoid putting your head up, which can cause blood to flow into your throat and cause coughing or choking. If nosebleeds last for a long time (more than 20 minutes) or occur frequently, or are accompanied by other symptoms (such as headache, dizziness, vomiting, etc.), it is recommended to seek professional medical help. Your doctor can assess your condition and take appropriate treatment, such as nasal tamponade, medication to stop bleeding, or other necessary treatments.

    NosebleedsCause of the nosebleedsStop the nosebleedsReduce bleedingBlood clotting problems
    2023-05-30 15:13:52
  • Why does edema occur? Got edema how to do?

    Why does edema occur? Got edema how to do?

    Edema is swelling caused by an abnormal accumulation of fluid in body tissues. Here are some common causes of edema: Static edema: Staying still in one position for a long period of time, such as standing or sitting for long periods of time, causes fluid to build up in the lower parts of the body, especially the ankles and legs. High temperature and humidity: In hot and humid environments, the human body is prone to edema. Heat and humidity cause blood vessels to dilate, making it easier for fluid to leak out of them into surrounding tissues. High salt intake: Consuming too much salt can increase the concentration of sodium ions in the body, causing water retention in the body, which can lead to edema. Edema of pregnancy: During pregnancy, changing hormone levels in the body and the uterus pressing on blood vessels can cause fluid to build up in the tissues, especially in the ankles and legs. Lymphatic system problems: Dysfunction of the lymphatic system or poor drainage of fluid in the tissues after lymph node removal surgery, resulting in edema. Side effects: Some medications, such as calcium channel blockers, oral contraceptives, and antidepressants, can cause edema as a side effect. Other diseases: Some diseases and conditions, such as heart disease, kidney disease, liver disease, thyroid problems, and septic heart failure, may cause fluid to become trapped in the tissues, causing edema. If you experience persistent or severe edema, it is a good idea to consult your doctor to determine the exact cause and get appropriate treatment recommendations. The doctor can determine the cause of the edema and develop an individualized treatment plan based on the history, physical examination, and necessary laboratory tests. Got edema how to do? If you experience edema, here are some common ways to take care of yourself and relieve edema: Raise leg position: Raising your legs above heart level can help reduce leg edema. You can use a mat or lie down against a wall with your legs elevated. Avoid holding the same position for long periods of time: Standing or sitting for long periods of time may aggravate edema. Try to move around and change positions as much as possible to avoid staying in the same position for long periods of time, which will help promote fluid removal. Avoid excessive salt and sodium intake: Limit the amount of salt and sodium in your diet and minimize your intake of processed, salty and high-salt foods. Drink moderate amounts of water: Keep your water intake moderate and don't drink too much or too little. Drinking water in moderation helps keep your body hydrated. Get proper exercise: Moderate exercise improves blood circulation and lymph flow, which can help reduce edema. Choose low-impact activities such as walking, swimming or yoga that suit you. Avoid prolonged exposure to hot and humid environments: Heat and humidity may aggravate edema, so try to avoid prolonged exposure to such environments. Wear comfortable, loose clothing: Choose shoes and clothing that are comfortable and loose, and avoid clothing and shoes that are constricting and tight. Be aware of medication use: Certain medications can cause edema, and if you believe medication is a cause, consult your doctor and seek appropriate adjustments. Although these methods can help alleviate mild edema, if the edema is severe, persistent, or accompanied by other symptoms, it is recommended that you consult your doctor for further evaluation and treatment. The doctor can determine the specific cause of the edema and make a treatment plan accordingly.

    EdemaThe cause of edemaSwellingMethods to relieve edemaedema during pregnancy
    2023-05-30 14:14:30
Popular Q & A