How much does the human’s immune system weigh?
📌 An average individual’s immune system consists of approximately 1.8 trillion cells, a new research has found.
📌 In a 73-kilogram man in his 20s, those immune cells collectively weigh about 1.2 kilograms or 2.6 pounds – which is about the same as one pineapple, or six hamsters.
📌 A female adult weighing 60 kilograms would probably have around 1.5 trillion immune cells, adding to a total of 1 kilogram. A child aged 10 years would have slightly fewer again: 1 trillion immune cells, weighing 600 grams.
ℹ️ Lymphocytes make up 40% of the total number of immune cells and 15% of their mass. Similarly, neutrophils account for comparable proportions. Notably, macrophages constitute 10% of immune cells but contribute nearly 50% of the total cellular mass due to their large size.
✍️ This knowledge gives an integrative quantitative view of the immune system and facilitates the development of models.
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📌 An average individual’s immune system consists of approximately 1.8 trillion cells, a new research has found.
📌 In a 73-kilogram man in his 20s, those immune cells collectively weigh about 1.2 kilograms or 2.6 pounds – which is about the same as one pineapple, or six hamsters.
📌 A female adult weighing 60 kilograms would probably have around 1.5 trillion immune cells, adding to a total of 1 kilogram. A child aged 10 years would have slightly fewer again: 1 trillion immune cells, weighing 600 grams.
ℹ️ Lymphocytes make up 40% of the total number of immune cells and 15% of their mass. Similarly, neutrophils account for comparable proportions. Notably, macrophages constitute 10% of immune cells but contribute nearly 50% of the total cellular mass due to their large size.
✍️ This knowledge gives an integrative quantitative view of the immune system and facilitates the development of models.
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What is emotion?
Emotion is a complex state of feeling that results in physical and psychological changes that influence thought and behavior.
These complex psychological states involve 3️⃣ distinct components: a subjective experience, a physiological response, and a behavioral or expressive response ⬆️.
Emotionality is associated with a range of psychological phenomena, including temperament, personality, mood, and motivation.
Emotions can be categorized based on whether they are primary or secondary.
🔸 Primary emotions are the emotions that humans experience universally. There are different theories as to what these specific emotions are, but they often include happiness, sadness, fear, disgust, anger, and surprise ⬆️.
🔸 Secondary emotions stem from—and are variations of—primary emotions. Sometimes, we have secondary emotions in response to our primary emotions (i.e., "I'm frustrated that I'm so sad"). Secondary emotions may include frustration, pride, envy, and jealousy.
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Emotion is a complex state of feeling that results in physical and psychological changes that influence thought and behavior.
These complex psychological states involve 3️⃣ distinct components: a subjective experience, a physiological response, and a behavioral or expressive response ⬆️.
Emotionality is associated with a range of psychological phenomena, including temperament, personality, mood, and motivation.
Emotions can be categorized based on whether they are primary or secondary.
🔸 Primary emotions are the emotions that humans experience universally. There are different theories as to what these specific emotions are, but they often include happiness, sadness, fear, disgust, anger, and surprise ⬆️.
🔸 Secondary emotions stem from—and are variations of—primary emotions. Sometimes, we have secondary emotions in response to our primary emotions (i.e., "I'm frustrated that I'm so sad"). Secondary emotions may include frustration, pride, envy, and jealousy.
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What is emotion? Emotion is a complex state of feeling that results in physical and psychological changes that influence thought and behavior. These complex psychological states involve 3️⃣ distinct components: a subjective experience, a physiological response…
How are universal emotions described?
During the 1970s, psychologist Paul Eckman (1934-) identified 6️⃣ basic emotions that he suggested were universally experienced in all human cultures.
Happiness
tends to be the one that people strive for the most and is often defined as a pleasant emotional state that is characterized by feelings of contentment, joy, gratification, satisfaction, and well-being. It is often expressed by smiling or speaking in an upbeat tone of voice and a relaxed stance. The realities of what actually contributes to happiness can be complex and highly individualized.
Sadness
is often defined as a transient emotional state characterized by feelings of disappointment, grief, hopelessness, disinterest, and dampened mood. It can be expressed by crying, dampened mood, lethargy, quietness, withdrawal from others.
Fear
is a powerful emotion that can also play an important role in survival. It can increase heart rate, cause racing thoughts, or trigger the fight-or-flight response. It can be a reaction to actual or perceived threats. Some people enjoy the adrenaline rush that accompanies fear in the form of watching scary movies, riding roller coasters, or skydiving. Some people may be more sensitive to fear and certain situations or objects may be more likely to trigger this emotion.
ℹ️ The fight-or-flight response, also known as the acute stress response, refers to the physiological reaction that occurs when in the presence of something mentally or physically terrifying. This response is triggered by the release of hormones that prepare your body to either stay and deal with a threat or to run away to safety.
Disgust
can be triggered by a physical experience, such as seeing or smelling rotting food, blood, or poor hygiene. Moral disgust may occur when someone sees another person doing something they find immoral or distasteful.
Anger
can be characterized by feelings of hostility, agitation, frustration, and antagonism towards others. It can be expressed with facial expressions like frowning, yelling, or violent behavior. Like fear, anger can play a part in your body's fight or flight response.
Surprise
is usually quite brief and is characterized by a physiological startle response following something unexpected. This type of emotion can be positive, negative, or neutral. Surprise is another type of emotion that can trigger the fight or flight response.
✍️ Eckman later added a number of other emotions to his list but suggested that unlike his original six emotions, not all of these could necessarily be encoded through facial expressions. Some of the emotions he later identified included:
Amusement
Contempt
Contentment
Embarrassment
Excitement
Guilt
Pride in achievement
Relief
Satisfaction
Shame
❗️ In everyday language, people often use the terms emotions, feelings, and moods interchangeably, but they actually mean different things.
📌 Emotions are reactions to stimuli, but feelings are what we experience as a result of emotions.
📌 An emotion is normally quite short-lived, but intense.
📌 Emotions are also likely to have a definite and identifiable cause.
📌 Feelings are influenced by our perception of the situation, which is why the same emotion can trigger different feelings among people experiencing it.
📌 A mood can be described as a temporary emotional state.
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During the 1970s, psychologist Paul Eckman (1934-) identified 6️⃣ basic emotions that he suggested were universally experienced in all human cultures.
Happiness
tends to be the one that people strive for the most and is often defined as a pleasant emotional state that is characterized by feelings of contentment, joy, gratification, satisfaction, and well-being. It is often expressed by smiling or speaking in an upbeat tone of voice and a relaxed stance. The realities of what actually contributes to happiness can be complex and highly individualized.
Sadness
is often defined as a transient emotional state characterized by feelings of disappointment, grief, hopelessness, disinterest, and dampened mood. It can be expressed by crying, dampened mood, lethargy, quietness, withdrawal from others.
Fear
is a powerful emotion that can also play an important role in survival. It can increase heart rate, cause racing thoughts, or trigger the fight-or-flight response. It can be a reaction to actual or perceived threats. Some people enjoy the adrenaline rush that accompanies fear in the form of watching scary movies, riding roller coasters, or skydiving. Some people may be more sensitive to fear and certain situations or objects may be more likely to trigger this emotion.
ℹ️ The fight-or-flight response, also known as the acute stress response, refers to the physiological reaction that occurs when in the presence of something mentally or physically terrifying. This response is triggered by the release of hormones that prepare your body to either stay and deal with a threat or to run away to safety.
Disgust
can be triggered by a physical experience, such as seeing or smelling rotting food, blood, or poor hygiene. Moral disgust may occur when someone sees another person doing something they find immoral or distasteful.
Anger
can be characterized by feelings of hostility, agitation, frustration, and antagonism towards others. It can be expressed with facial expressions like frowning, yelling, or violent behavior. Like fear, anger can play a part in your body's fight or flight response.
Surprise
is usually quite brief and is characterized by a physiological startle response following something unexpected. This type of emotion can be positive, negative, or neutral. Surprise is another type of emotion that can trigger the fight or flight response.
✍️ Eckman later added a number of other emotions to his list but suggested that unlike his original six emotions, not all of these could necessarily be encoded through facial expressions. Some of the emotions he later identified included:
Amusement
Contempt
Contentment
Embarrassment
Excitement
Guilt
Pride in achievement
Relief
Satisfaction
Shame
❗️ In everyday language, people often use the terms emotions, feelings, and moods interchangeably, but they actually mean different things.
📌 Emotions are reactions to stimuli, but feelings are what we experience as a result of emotions.
📌 An emotion is normally quite short-lived, but intense.
📌 Emotions are also likely to have a definite and identifiable cause.
📌 Feelings are influenced by our perception of the situation, which is why the same emotion can trigger different feelings among people experiencing it.
📌 A mood can be described as a temporary emotional state.
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What are the major theories of emotion?
The major theories of emotion can be grouped into 3️⃣ categories:
♦️Physiological theories: responses within the body are responsible for emotions.
♦️Neurological theories: activity within the brain leads to emotional responses.
♦️Cognitive theories: thoughts and other mental activities play an essential role in forming emotions.
Scientists also proposed 6️⃣ main theories of emotion:
🔺Evolutionary/Darwin theory: emotions exist because they serve an adaptive role.
🔺The James-Lange theory: physical responses are responsible for emotion.
🔺The Cannon-Bard theory: people experience emotional and physiological responses at the same time, with each response acting independently.
🔺The Schachter-Singer theory: thoughts are responsible for emotions.
🔺The cognitive appraisal/Lazarus theory: brain first appraises a situation, and the resulting response is an emotion.
🔺The facial-feedback theory: emotions are directly tied to facial muscles.
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The major theories of emotion can be grouped into 3️⃣ categories:
♦️Physiological theories: responses within the body are responsible for emotions.
♦️Neurological theories: activity within the brain leads to emotional responses.
♦️Cognitive theories: thoughts and other mental activities play an essential role in forming emotions.
Scientists also proposed 6️⃣ main theories of emotion:
🔺Evolutionary/Darwin theory: emotions exist because they serve an adaptive role.
🔺The James-Lange theory: physical responses are responsible for emotion.
🔺The Cannon-Bard theory: people experience emotional and physiological responses at the same time, with each response acting independently.
🔺The Schachter-Singer theory: thoughts are responsible for emotions.
🔺The cognitive appraisal/Lazarus theory: brain first appraises a situation, and the resulting response is an emotion.
🔺The facial-feedback theory: emotions are directly tied to facial muscles.
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What emotion can lead to better results when tackling tricky tasks?
😡 While often perceived as a negative emotion, anger can also be a powerful motivator for people to achieve challenging goals in their lives, according to a research.
😡 To better understand the role of anger in achieving goals, scientists conducted a series of experiments involving more than 1,000 participants and analyzed survey data from more than 1,400 respondents.
😡 Across all the experiments, anger improved people's ability to reach their goals compared with a neutral condition in a variety of challenging situations.
😡 These findings demonstrate that anger increases effort toward attaining a desired goal, frequently resulting in greater success.
✍️ Overall, the results suggest that:
✔️ emotions that are often considered negative (such as anger) can be useful and particularly effective in some situations
✔️ a mix of positive and negative emotions promotes well-being.
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😡 While often perceived as a negative emotion, anger can also be a powerful motivator for people to achieve challenging goals in their lives, according to a research.
😡 To better understand the role of anger in achieving goals, scientists conducted a series of experiments involving more than 1,000 participants and analyzed survey data from more than 1,400 respondents.
😡 Across all the experiments, anger improved people's ability to reach their goals compared with a neutral condition in a variety of challenging situations.
😡 These findings demonstrate that anger increases effort toward attaining a desired goal, frequently resulting in greater success.
✍️ Overall, the results suggest that:
✔️ emotions that are often considered negative (such as anger) can be useful and particularly effective in some situations
✔️ a mix of positive and negative emotions promotes well-being.
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How and why do fireflies light up?
🔅 One must have watched fireflies glowing in summer dusks and nights.
🔅 It is bioluminescence that causes them to flash every 5.5 seconds approximately.
ℹ️ Bioluminescence is light produced by a chemical reaction within a living organism. It is a "cold light" – less than 20% of the light generates thermal radiation, or heat.
🔅 Fireflies have an organic compound luciferin in their abdomen. It reacts with oxygen, calcium, and adenosine triphosphate in the presence of the enzyme luciferase to produce light. The oxygen enters their body through the trachea, a complex network of fine tubes, as they don’t have lungs. When oxygen is available the fireflies glow, and extinguish when no oxygen can be spared.
🟡 The bioluminescent color, yellow in fireflies, is a result of the arrangement of luciferin molecules.
🔅 Fireflies’ lighting up serves the following purposes:
✳️ Warding off possible predators.
✳️ Attracting mates.
✳️ Attracting prey.
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🔅 One must have watched fireflies glowing in summer dusks and nights.
🔅 It is bioluminescence that causes them to flash every 5.5 seconds approximately.
ℹ️ Bioluminescence is light produced by a chemical reaction within a living organism. It is a "cold light" – less than 20% of the light generates thermal radiation, or heat.
🔅 Fireflies have an organic compound luciferin in their abdomen. It reacts with oxygen, calcium, and adenosine triphosphate in the presence of the enzyme luciferase to produce light. The oxygen enters their body through the trachea, a complex network of fine tubes, as they don’t have lungs. When oxygen is available the fireflies glow, and extinguish when no oxygen can be spared.
🟡 The bioluminescent color, yellow in fireflies, is a result of the arrangement of luciferin molecules.
🔅 Fireflies’ lighting up serves the following purposes:
✳️ Warding off possible predators.
✳️ Attracting mates.
✳️ Attracting prey.
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Where are most bioluminescent organisms found?
🌊 Although a lot of people know about fireflies, not everyone is aware that most bioluminescent organisms are found not on land but in the ocean. These bioluminescent marine species include fish, bacteria, and jellies ⬆️.
🔵🟢Most marine bioluminescence is expressed in the blue-green part of the visible light spectrum. Also, most marine organisms are sensitive only to blue-green colors, being physically unable to process yellow, red, or violet colors.
🔆 Sometimes, rare bioluminescent dinoflagellate ecosystems are illuminating warm-water lagoons at night ⬆️.
ℹ️ There are almost no bioluminescent organisms in freshwater habitats, and most scientists point to 2️⃣ reasons for that:
🔹freshwater habitats have not been around as long as marine habitats and, in terms of evolution, they do not yet have the biodiversity of oceans
🔹freshwater habitats are often murkier, and deepwater species use other adaptations to live in this environment
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🌊 Although a lot of people know about fireflies, not everyone is aware that most bioluminescent organisms are found not on land but in the ocean. These bioluminescent marine species include fish, bacteria, and jellies ⬆️.
🔵🟢Most marine bioluminescence is expressed in the blue-green part of the visible light spectrum. Also, most marine organisms are sensitive only to blue-green colors, being physically unable to process yellow, red, or violet colors.
🔆 Sometimes, rare bioluminescent dinoflagellate ecosystems are illuminating warm-water lagoons at night ⬆️.
ℹ️ There are almost no bioluminescent organisms in freshwater habitats, and most scientists point to 2️⃣ reasons for that:
🔹freshwater habitats have not been around as long as marine habitats and, in terms of evolution, they do not yet have the biodiversity of oceans
🔹freshwater habitats are often murkier, and deepwater species use other adaptations to live in this environment
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How bioluminescence can help humanity?
🧑🏻🔬👨🏻🔬🔬 Scientists are studying the chemicals and circumstances involved in bioluminescence to understand how people can use the process to make human’s life safer.
🧬 Green fluorescent protein (GFP), found in some bioluminescent jellies, is a valuable "reporter gene" – a chemical (a gene) that biologists attach to other genes they are studying. GFP reporter genes are easily identified and measured, usually by their fluorescence. This allows scientists to trace and monitor the activity of the studied gene—its expression in a cell, or its interaction with other chemicals.
🐁 Look at these mice bred by researchers with GFP ⬆️.
🌳🔆 Bioluminescent trees could help light city streets and highways. This would reduce the need for electricity.
🌾🔆 Bioluminescent crops and other plants could luminesce when they needed water or other nutrients, or when they were ready to be harvested. This would reduce costs for farmers.
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🧑🏻🔬👨🏻🔬🔬 Scientists are studying the chemicals and circumstances involved in bioluminescence to understand how people can use the process to make human’s life safer.
🧬 Green fluorescent protein (GFP), found in some bioluminescent jellies, is a valuable "reporter gene" – a chemical (a gene) that biologists attach to other genes they are studying. GFP reporter genes are easily identified and measured, usually by their fluorescence. This allows scientists to trace and monitor the activity of the studied gene—its expression in a cell, or its interaction with other chemicals.
🐁 Look at these mice bred by researchers with GFP ⬆️.
🌳🔆 Bioluminescent trees could help light city streets and highways. This would reduce the need for electricity.
🌾🔆 Bioluminescent crops and other plants could luminesce when they needed water or other nutrients, or when they were ready to be harvested. This would reduce costs for farmers.
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Why is May 7 important for the development of radio?
🔘At the end of the 19th century, several scientists went head-to-head in the race to invent the radio.
🔘Italian physicist Guglielmo Marconi (1874-1937) is largely known as the ”father” of radio, but other researchers were ahead of him here. Serbian American scientist Nikola Tesla (1856-1943) has many proponents as the inventor of radio, while in England the credit is given to Oliver Lodge (1851-1940), who, according to some sources, in 1894 invented his model of radio waves receiver.
📻🇷🇺But if you ask anyone in Russia who invented radio, the answer will be: Alexander Popov ⬆️
On May 7, 1895 (this would be after Lodge but before Tesla and Marconi), Popov demonstrated a radio receiver ⬆️ to the Russian Physical and Chemical Society.
Today, in St. Petersburg, there is the A.S. Popov Central Museum of Communications.
Since 1945, every 7 May Russia celebrates Radio Day.
ℹ️World Radio Day is marked annually on February 13.
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🔘At the end of the 19th century, several scientists went head-to-head in the race to invent the radio.
🔘Italian physicist Guglielmo Marconi (1874-1937) is largely known as the ”father” of radio, but other researchers were ahead of him here. Serbian American scientist Nikola Tesla (1856-1943) has many proponents as the inventor of radio, while in England the credit is given to Oliver Lodge (1851-1940), who, according to some sources, in 1894 invented his model of radio waves receiver.
📻🇷🇺But if you ask anyone in Russia who invented radio, the answer will be: Alexander Popov ⬆️
On May 7, 1895 (this would be after Lodge but before Tesla and Marconi), Popov demonstrated a radio receiver ⬆️ to the Russian Physical and Chemical Society.
Today, in St. Petersburg, there is the A.S. Popov Central Museum of Communications.
Since 1945, every 7 May Russia celebrates Radio Day.
ℹ️World Radio Day is marked annually on February 13.
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How does the Mars’s 'labyrinth of night' look like?
The hauntingly-named Noctis Labyrinthus (which means in Latin 'labyrinth of night') is a fascinating region near the equator of Mars.
Noctis Labyrinthus is home to a network of intersecting canyons, some as deep as 6 kilometers (3.7 miles), giving the region a maze-like appearance when viewed from above. The canyons were likely created by past volcanism in the nearby region of Tharsis, which would have caused the planet’s surface to arch upwards and then collapse. Dust covers most of the region, leading to its rather uniform appearance.
Noctis Labyrinthus is nestled between the colossal martian ‘Grand Canyon’ (Valles Marineris) and the tallest volcanoes in the Solar System (region of Tharsis) and stretches out for around 1190 km.
⬆️ Fly over Mars’s Noctis Labyrinthus in this video animation, based on data from the Mars Express observations of the system and created using an image mosaic built over eight orbits.
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The hauntingly-named Noctis Labyrinthus (which means in Latin 'labyrinth of night') is a fascinating region near the equator of Mars.
Noctis Labyrinthus is home to a network of intersecting canyons, some as deep as 6 kilometers (3.7 miles), giving the region a maze-like appearance when viewed from above. The canyons were likely created by past volcanism in the nearby region of Tharsis, which would have caused the planet’s surface to arch upwards and then collapse. Dust covers most of the region, leading to its rather uniform appearance.
Noctis Labyrinthus is nestled between the colossal martian ‘Grand Canyon’ (Valles Marineris) and the tallest volcanoes in the Solar System (region of Tharsis) and stretches out for around 1190 km.
⬆️ Fly over Mars’s Noctis Labyrinthus in this video animation, based on data from the Mars Express observations of the system and created using an image mosaic built over eight orbits.
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Why Greenland is rising?
Greenland has been gradually rising since the last ice age 12,000 years ago, its frozen coat of water trickling slowly into the sea. But recent data reveals this melting has been significantly speeding up.
Researchers found that in roughly the last decade Greenland's bedrock has risen up to 20 centimeters, which is a rate of about 2 meters per century.
According to scientists, this land uplift observed these years cannot be solely explained by the natural post-ice age development.
While glaciers around Greenland's periphery make up just 4 percent of the island's ice cover, they're responsible for almost 15 percent of its ice loss, which is causing an even greater rise in some areas than the loss of the main Greenland ice sheet ⬆️.
ℹ️ Such process is called elastic rebound – the previously compressed earth, now liberated from surrounding weight, relaxes into its more naturally expanded shape like a squashed pillow released to take up more volume.
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Greenland has been gradually rising since the last ice age 12,000 years ago, its frozen coat of water trickling slowly into the sea. But recent data reveals this melting has been significantly speeding up.
Researchers found that in roughly the last decade Greenland's bedrock has risen up to 20 centimeters, which is a rate of about 2 meters per century.
According to scientists, this land uplift observed these years cannot be solely explained by the natural post-ice age development.
While glaciers around Greenland's periphery make up just 4 percent of the island's ice cover, they're responsible for almost 15 percent of its ice loss, which is causing an even greater rise in some areas than the loss of the main Greenland ice sheet ⬆️.
ℹ️ Such process is called elastic rebound – the previously compressed earth, now liberated from surrounding weight, relaxes into its more naturally expanded shape like a squashed pillow released to take up more volume.
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Why is 20 May World Bee Day and why is it important?
🐝🇺🇳 In 2017 the UN declared 20 May as World Bee Day ⬆️, which is now celebrated each year.
🐝 20 May was chosen because it coincides with the birthday of Anton Janša (1734-1773) ⬆️, who is considered to be one of the fathers of modern beekeeping techniques and one of the pioneers of apiculture on a global scale. Anton Janša was born in Breznica, the Gorenjska (Upper Carniola) region of modern-day Slovenia, in a family of beekeepers. Although he showed remarkable artistic talent in painting, he also decided to became a professional beekeeper.
🐝 The purpose of the international day is to acknowledge the role of bees and other pollinators for the ecosystem. People are reminded of the significance of bees in providing for the needs of humanity.
🐝ℹ️ According to the UN, three out of four crops across the globe producing fruits, or seeds for use as human food depend, at least in part, on bees and other pollinators.
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🐝🇺🇳 In 2017 the UN declared 20 May as World Bee Day ⬆️, which is now celebrated each year.
🐝 20 May was chosen because it coincides with the birthday of Anton Janša (1734-1773) ⬆️, who is considered to be one of the fathers of modern beekeeping techniques and one of the pioneers of apiculture on a global scale. Anton Janša was born in Breznica, the Gorenjska (Upper Carniola) region of modern-day Slovenia, in a family of beekeepers. Although he showed remarkable artistic talent in painting, he also decided to became a professional beekeeper.
🐝 The purpose of the international day is to acknowledge the role of bees and other pollinators for the ecosystem. People are reminded of the significance of bees in providing for the needs of humanity.
🐝ℹ️ According to the UN, three out of four crops across the globe producing fruits, or seeds for use as human food depend, at least in part, on bees and other pollinators.
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Why is 20 May World Bee Day and why is it important? 🐝🇺🇳 In 2017 the UN declared 20 May as World Bee Day ⬆️, which is now celebrated each year. 🐝 20 May was chosen because it coincides with the birthday of Anton Janša (1734-1773) ⬆️, who is considered…
What are some amazing facts about bees, honey and beekeeping?
🐝 Bees have existed for more than 100 million years.
🐝 Though bees have jointed legs, they do not possess anything like a kneecap, and therefore do not have knees.
🐝 Bees have 2 stomachs – one for eating, and one for storing nectar and processing it into honey.
🐝 Bees have five eyes.
🐝 Honey bees are fab flyers. They fly at a speed of around 25km per hour and beat their wings 200 times per second.
🐝 Each bee has 170 odorant receptors, which means they have one serious sense of smell! They use this to communicate within the hive and to recognise different types of flowers when looking for food.
🐝 There are just three types of honey bees: queens, workers and drones.
🐝 Worker bees are the smallest of the three types of honey bees, growing to just 10-15mm when mature. Drones are about 50% bigger, reaching 15-17mm as adults, and queens are the largest — almost twice the size of worker bees — 18-20mm at maturity.
🐝 The average worker bee lives for just five to six weeks.
🐝 The queen can live up to five years. She is busiest in the summer months, when she can lay up to 2,500 eggs a day.
🐝 If the queen bee dies, workers will create a new queen by selecting a young larva (the newly hatched baby insects) and feeding it a special food called “royal jelly“. This enables the larva to develop into a fertile queen.
🐝 Bees communicate by dancing. To share information about the best food sources, they perform their ‘waggle dance’. When the worker returns to the hive, it moves in a figure-of-eight and waggles its body to indicate the direction of the food source.
🐝 Bees also communicate within the hive by releasing chemicals called pheromones. As workers groom and feed hive members, they pass on these pheromones that indicate the health of the hive.
🐝 The queen bee releases her own distinct pheromone called Queen Mandibular Pheromone, or QMP.
🐝 Every bee colony has its own distinct scent, or pheromones, so that members can identify each other.
🐝 Honey bees are generally not aggressive — they’ll only attack when the believe their hive is threatened.
🐝 While bee venom is more deadly than cobra venom, it would take more than 3,800 bee stings to kill the average human male.
🐝 Bees navigate using the sun as we would a compass, and because they can see polarized light, are able to find their way even on cloudy days. There is some evidence that bees are also sensitive to the earth’s magnetism and may use it to navigate as well.
🐝🍯 One bee has to fly about 120,000 km – three times around the globe – and gather nectar from two million flowers to make about 450 grams of honey.
🐝🌺🌼🌸 A honey bee visits 50 to 100 flowers during a collection trip.
🐝🍯 During its lifetime, the average bee will make only 1/12th of a teaspoon of honey.
🍯 Honey is 25% sweeter than sugar.
🍯 Honey has antiseptic properties and was historically used as a dressing for wounds and a first aid treatment for burns and cuts.
🍯 The natural fruit sugars in honey – fructose and glucose – are quickly digested by the body. This is why sportsmen and athletes use honey to give them a natural energy boost.
🐝 The practice of beekeeping dates back at least 4,500 years.
🐝 Ancient peoples believed that bees were created from the carcasses of dead animals.
🐝 Ancient Egyptians believed bees to be the tears of the sun god, Ra.
🐝🍯 Honey bees and honey are mentioned in different ancient texts, e.g. in Sanskrit texts.
🐝 Honey bees are the only insect that produces food consumed by humans.
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🐝 Bees have existed for more than 100 million years.
🐝 Though bees have jointed legs, they do not possess anything like a kneecap, and therefore do not have knees.
🐝 Bees have 2 stomachs – one for eating, and one for storing nectar and processing it into honey.
🐝 Bees have five eyes.
🐝 Honey bees are fab flyers. They fly at a speed of around 25km per hour and beat their wings 200 times per second.
🐝 Each bee has 170 odorant receptors, which means they have one serious sense of smell! They use this to communicate within the hive and to recognise different types of flowers when looking for food.
🐝 There are just three types of honey bees: queens, workers and drones.
🐝 Worker bees are the smallest of the three types of honey bees, growing to just 10-15mm when mature. Drones are about 50% bigger, reaching 15-17mm as adults, and queens are the largest — almost twice the size of worker bees — 18-20mm at maturity.
🐝 The average worker bee lives for just five to six weeks.
🐝 The queen can live up to five years. She is busiest in the summer months, when she can lay up to 2,500 eggs a day.
🐝 If the queen bee dies, workers will create a new queen by selecting a young larva (the newly hatched baby insects) and feeding it a special food called “royal jelly“. This enables the larva to develop into a fertile queen.
🐝 Bees communicate by dancing. To share information about the best food sources, they perform their ‘waggle dance’. When the worker returns to the hive, it moves in a figure-of-eight and waggles its body to indicate the direction of the food source.
🐝 Bees also communicate within the hive by releasing chemicals called pheromones. As workers groom and feed hive members, they pass on these pheromones that indicate the health of the hive.
🐝 The queen bee releases her own distinct pheromone called Queen Mandibular Pheromone, or QMP.
🐝 Every bee colony has its own distinct scent, or pheromones, so that members can identify each other.
🐝 Honey bees are generally not aggressive — they’ll only attack when the believe their hive is threatened.
🐝 While bee venom is more deadly than cobra venom, it would take more than 3,800 bee stings to kill the average human male.
🐝 Bees navigate using the sun as we would a compass, and because they can see polarized light, are able to find their way even on cloudy days. There is some evidence that bees are also sensitive to the earth’s magnetism and may use it to navigate as well.
🐝🍯 One bee has to fly about 120,000 km – three times around the globe – and gather nectar from two million flowers to make about 450 grams of honey.
🐝🌺🌼🌸 A honey bee visits 50 to 100 flowers during a collection trip.
🐝🍯 During its lifetime, the average bee will make only 1/12th of a teaspoon of honey.
🍯 Honey is 25% sweeter than sugar.
🍯 Honey has antiseptic properties and was historically used as a dressing for wounds and a first aid treatment for burns and cuts.
🍯 The natural fruit sugars in honey – fructose and glucose – are quickly digested by the body. This is why sportsmen and athletes use honey to give them a natural energy boost.
🐝 The practice of beekeeping dates back at least 4,500 years.
🐝 Ancient peoples believed that bees were created from the carcasses of dead animals.
🐝 Ancient Egyptians believed bees to be the tears of the sun god, Ra.
🐝🍯 Honey bees and honey are mentioned in different ancient texts, e.g. in Sanskrit texts.
🐝 Honey bees are the only insect that produces food consumed by humans.
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