Posted in History & Literature

Zodiac: Scorpio

Scorpio is the Zodiac sign for those born between October 22 and November 21. The symbol for Scorpio is a gigantic scorpion.

The model for Scorpio is the scorpion that killed Orion. Orion was a great hunter. He always boasted that there was not a single animal that he could not kill and would kill every beast he saw in the forest. Many gods and goddesses were not pleased with his narcissism, but among them Artemis, the goddess of hunting, particularly disliked him. She was worried that he would kill every animal on Earth, threatening the ecosystem. So she summoned a giant scorpion and commanded it to kill him. The scorpion proceeded to swiftly sneak up to Orion and stung him with a deadly poison, killing him instantly. Thus, the great hunter Orion fell shamefully. Both Orion and the scorpion were lifted into the heavens and became constellation. This is why when the Scorpio constellation rises in the night sky, the Orion constellation hurriedly falls to the west, scared that he might be attacked once more.

(Part of the Zodiac series: https://jineralknowledge.com/tag/zodiacs/?order=asc)

Posted in Psychology & Medicine

Laughter

We laugh when we are happy. Laughter provides us with happiness and is the best medicine available to us, relieving the pain and stress of life. In fact, when we laugh we secrete a neurotransmitter called endorphin, which as the name suggests (endo(inside) + morphine), has the same properties as morphine.

What makes us laugh? The best theory to date is that laughter is an instinctive response to the passing of danger (also called the relief theory). For example, if our ancestor came across a predator but it passed by without noticing him, he would have laughed in response to the relief he felt. Others would see from his laugh that the danger had passed and laugh also (possibly explaining why laughter is contagious).

This theory also explains why humour makes us laugh. When you throw a joke, you are essentially giving the other person a “cognitive riddle” with a logical inconsistency. This inconsistency causes the recipient’s subconscious to become confused: “Why is it funny? Why can’t I understand it?”. As jokes are fundamentally a “surprise” to the other person’s mind, they try to solve it and figure it out whether it is a danger or not. If they get the joke, the inconsistency is solved and the person feels relief (as it has been revealed that the confusion brought on by the inconsistency was not dangerous). Once the confusion passes, the person laughs in response. But if the person does not get the joke, the “danger” has not passed and the person does not laugh. This is the basis of one of the laws of comedians: “if the audience is confused, they do not laugh”.

Laughter is beneficial for your health. Frequent laughter lowers the blood pressure, boosts the immune system, relieves pain and lowers the levels of stress hormones such as cortisol. Laughter is especially good for your mental health, therefore having a five-minute laughter yoga session every day where you just laugh as hard as you can will help you lead a happier life. However, ironically laughter can kill you too. Cases of “death from laughter” have been recorded since ancient Greek times to the modern day. The cause has not been identified but it is known that intense laughter can cause cataplexy, which is a paralysis induced by extreme emotions. It is possible that intense laughter overloads the nervous system and causes a heart attack.

Whatever it is, anything is toxic in excess.

Posted in Science & Nature

Bird Strike

An airplane flying across the sky faces many dangers. But a very common yet not well-known type of accident is the bird strike. Just as the name suggests, a bird strike is when a plane collides with a flying bird. This may not sound so dangerous, but considering a plane typically flies at 800~900km/h, the energy from the collision is quite significant. If a plane flying at 800km/h collides with a 5kg bird, the energy generated is 92 tonnes. This is not only enough to instantly kill the bird, but also enough to damage the plane.

The most common type of bird strikes is when a bird collides head-on with the windshield or gets sucked into the engine. The latter can cause severe damage to the engine and even cause it to fail. For example, in 1960 a plane flying above Boston collided with a flock of starlings, leading to all four of its engines failing and causing it to crash, killing 62 passengers. Since birds typically fly below an altitude of 9000m, bird strikes most often occur during take-off and landing. However, there are case reports of much higher altitude crashes, with the record being held at 11300m.

According to statistics, the most common type of bird involved are waterfowls and gulls, with 15% of bird strikes being severe. Bird strikes cause $1.2 billion worth of damage annually worldwide and has cost 200 lives since 1988. The first bird strike occurred with the invention of the airplane, as recorded by the Wright brothers (inventors of the modern airplane). As bird strikes cause so much damage, airports place many countermeasures to prevent them. The most frequently used methods are driving away birds from runways by using scarecrows and other methods, or modifying the plane and engines to be more bird-resistant.

Posted in Science & Nature

Alex The Parrot

Alex (Avian Language EXperiment) was the name of an animal psychology experiment that ran for 30 years starting from 1977. The experiment was designed to see if birds could undertake complex problem solving and learn languages like primates. For this, Dr Irene Pepperberg bough an African grey parrot, named him Alex and started teaching him how to speak. Before Alex, scientists believed that animals needed a large enough brain like a primate to handle the complex problems related to language. But Alex proved otherwise.

Before Dr Pepperberg, scientists failed to establish any two-way communication with parrots. She used a new training technique called the model/rival technique, where two trainers act in front of the parrot to teach it things. The method is as follows. One trainer (the rival) shows the other trainer the desired student behaviour they want the parrot to learn. The other trainer then compliments the trainer and shows attention. The parrot sees that the behaviour gets the trainer’s attention and learns it to compete with the rival. This technique was extremely successful and Alex began picking up words at a very fast rate (technically it was more of a two-way communications code than “language”).

Once communication was possible, Dr Pepperberg taught Alex many different concepts. Over the course of his life, Alex learnt 150 words, how to differentiate between seven colours and five shapes and also understood the concept of numbers and sizes. If you showed Alex two objects, he could answer many questions regarding one object (thus showing that his response was not a conditioned one). For example, if you showed him a small blue key and a large green key, he could answer what colour the larger key was, or which one was the green key. Furthermore, if a plate full of objects of different colours and shapes was presented to him, he could correctly count how many green blocks (or any other shape or colour) there was among the objects. The important point here is that he could pick out just the green blocks, excluding green balls or blue blocks from his answers (showing he fully understood the question and could attribute more than one characteristic to one object). He knew how to express himself, such as saying “Wanna go back” when he was tired, and would give playful, incorrect answers when bored of the repetitious experiments. According to Dr Pepperberg, Alex had the intelligence equal to a dolphin, a great ape or a five year-old child. He also knew how to attain knowledge by asking questions, such as when he asked what colour he was to learn the word “grey”.

Alex, who told us so much about the intelligence of a parrot, unfortunately died in 2007. The night before he died, he said the following last words to Dr Pepperberg: “You be good. I love you”.

Posted in Science & Nature

Common Side-Blotched Lizard

Rock-paper-scissors is a fun game that is played by people of all ages and nationalities. But there is also a species of lizards that plays this game, albeit in a rather strange way.

Male common side-blotched lizards, also known as Uta stansburiana, have a mating strategy based on the game, where the chances of “winning” is equal and one type has an advantage over another type while being disadvantaged against another type. The males come in three types, differing in the colour of their necks: orange, blue and yellow.

  • Orange-throated males are the strongest but do not like to form a bond with the female (i.e. do not want a relationship). They can easily win over a fight against the blue-throated males to win the female, but yellow-throated males can sneak in and win over the female instead. Orange beats blue but loses against yellow.
  • Blue-throated males are middle-sized but do form strong bonds with females. They lose in a fight against orange-throated males, but can easily defend against yellow-throated males as they are always with their female. Blue beats yellow but loses against orange.
  • Yellow-throated males are smallest but can mimic females, letting them approach females near orange-throated males. They mate with the females while the orange-throated male is distracted, but this strategy does not work with blue-throated males as they have stronger bonds with the females. Yellow beats orange but loses against blue.

Interestingly, although the proportion of the three types average out to be similar over the long run (much like the probability of a person playing a certain hand), in the short term the preferred strategy tends to fluctuate. For example, orange-throated males may strive with their masculine strength for four or five years, but then the trend will slowly switch to yellow-throated males and their mimicking, female-stealing strategy. After another four or five years, blue-throated males will make a comeback as they win over females with their strong bonding.

image

Posted in History & Literature

Totalitarianism

People take interest in ants for many reasons. Some people are fascinated by how ants have achieved what they deem a perfect totalitarian system. In fact, if you observe it from the outside, an ant nest appears to be completely harmonious as everyone works the same, everyone focuses on the good of the whole and everyone is prepared to sacrifice themselves. But humanity has failed in every attempt at totalitarianism up until now. The Egyptians, Greeks, Romans, Babylonians, Carthaginians, Persians, Chinese, French, British, Russians, Germans, Japanese and Americans all experienced an age of glory and appeared as if the world would be assimilated into them, but fortunately a tiny grain of sand would always fall and destroy their unified systems.

This is why there are people who try to imitate insects who live in hive societies (consider how Napoleon’s insignia was of a honeybee). If what unifies an ant nest’s thoughts into one is pheromones, then modern society’s worldwide media does the same function today. People always suggest something that they believe is good and expect others to follow it. They believe that this way, we will achieve a perfect human society one day. But this is not the way of the universe.

Nature, unlike what Darwin suggested, does not evolve so that the fittest survive and rule (and what standard could possible differentiate “fit” and “undesirable”?). Nature’s powers lie in variation. In nature, there are good, evil, insane, devastated, lively, ill, deformed, demented, happy, depressed, intelligent, foolish, selfish, generous people and big, small, black, yellow, red, white things etc. They must all exist. If there is one danger in nature, it is when one group is destroyed by another group.

If there is a field of corns and only the corns that have the “best” traits (i.e. require the least water, stand cold weather and produce juicy corn) are used to pollinate, then the entire crop can be wiped out by a single disease. Contrastingly, a wild crop with individual corns having unique traits with varied weaknesses and differences can survive diseases as the corns find a way to beat it among the many different traits.

Nature hates standardisation and loves diversity. It is through diversity that nature exerts its original abilities.

image

(from The Encyclopaedia of Relative and Absolute Knowledge by Bernard Werber)

Posted in Science & Nature

Lemming

When you think of lemmings, you are bound to think of two things: a small, round rodent and mass suicide. The reason being, we have been taught as children that lemmings often commit mass suicide. This theory originates from the late 19th century when scientists could not figure out why lemming populations seemed to spike rapidly and then fall just as fast. In 1908, a man named Arthur Mee proposed that they kill themselves, writing so in the Children’s Encyclopaedia. He posited that as an overpopulation of lemmings could devastate the European ecosystem, the lemmings were naturally controlling their own population count. His theory was backed by a documentary made in 1958 called White Wilderness that showed a footage of a herd of lemmings leaping off a cliff to their death.

However, this “fact” has a severe flaw. Lemmings do not commit mass suicide. If you think about it for even a second, the thought of an animal that commits mass suicide (other than human beings) is preposterous as the species would die out. The reason why the lemming population spikes is the same as for mice and rabbits: they pride themselves in extreme reproductive abilities. A female lemming can have up to 80 babies in one year. If the population grows at such an alarming rate, then as explained above, the environment would not be able to support it. This causes the lemming population to plateau, not rising or falling, as there is not enough food to feed all the lemmings. However, due to the shortage of food, the lemmings become desperate and hungry. To find more food, the lemmings begin a migration, but the combination of hunger and being in heat causes them to act irrationally and wild. The result is a massive herd of hungry, stupid lemmings frantically running around all over the place. This leads to some lemmings accidentally slipping off cliffs and drowning in the river while swimming. This is not suicide.

Then what was the strange phenomenon of mass suicide depicted in White Wilderness? The answer is simple: it was staged. The producers tried to replicate Mee’s theory by importing a dozen lemmings and filming them running around the place. Then why did these lemmings commit suicide? Because the producers launched them off a cliff from a turntable.

Posted in Science & Nature

Cordyceps sinensis

Cordyceps sinensis is a fungus known as dongchoong-hacho(동충하초, 冬蟲夏草) in Korea, with the same characters used in China and Japan. It literally translates to “worm in the winter, herb in the summer”. It is a peculiar fungus with an interesting life cycle. In the summer when the weather is warm, the fungus infects its host (usually ghost moth larvae) through spores. The infected caterpillar is slowly filled with mycelium (thready part of fungi), until it becomes mummified with only the shell remaining. The fungus keeps replicating until it bursts out of the caterpillar’s head with a club-like fruit body (which holds the fungus’ spores). This makes it look as if the caterpillar, which was an insect in the winter, turned into a fungus in the summer (technically it is at this stage, but the caterpillar is long dead). In English, it is also called caterpillar fungus or vegetable worm (which is a misnomer as fungi are not vegetables).

Cordyceps sinensis is an important ingredient in traditional Eastern medicine as it is believed to be a perfect balance between yin and yang due to it possessing both animal and plant (actually a fungus) properties. It is used to treat many diseases from fatigue to cancer.

Although Western medicine usually looks down on and ignores Eastern medicine, research shows that Cordyceps sinensis actually has medicinal properties. Cordycepin, a chemical extracted from the fungus, has been shown to inhibit the growth of viruses, fungi and tumours through its inhibitory actions on a certain protein. There is also research that suggests it can protect the body against radiation poisoning.

Posted in History & Literature

Whaling

The Faroe Islands are a group of islands between Scotland and Iceland in the North Atlantic Ocean. Although a small nation, they are known to the outside world for their tradition of whaling – specifically pilot whales that are native to the North Atlantic Ocean. The media often show photos of bloody shorelines with a line of whale carcasses, decrying the so-called “inhumane hunting” of the whales. The dramatic scene and cuteness of the whales seems to appeal to the masses and has caused quite a controversy regarding the Faroese tradition, known as grindadráp. However, the media often tells a misinformed story regarding the whaling. One thing to know is that Faroese whaling is fundamentally different to whaling seen in other parts of the world, such as Japanese whaling. 

The Faroese have been killing pilot whales for food for the past millennium and have done so in the most humane and sustainable way possible. Despite popular belief, the pilot whales are not endangered and in fact overpopulated in the North Atlantic Ocean. As they are carnivorous, an overpopulation of the whales causes a shortage in fish. Fishing is the major industry in the Faroe Islands and constitutes their livelihood; so ironically, the pilot whales can endanger the Faroese people by consuming all the fish in the surrounding sea. Thus, the Faroese kill a small portion of the whale population (roughly 0.1%, a completely sustainable rate) to balance the ecosystem while protecting their most important industry and their livelihood.

Faroese whaling is not commercial and only enough whales are killed to provide enough food for the people (equally distributed to the participating families). The killing is not for fun or money, but simply to support the lives of the people. As such, the Faroese have also come up with the most humane way to kill the animals.

When whaling season starts and the pilot whales come near the shore, “drives” are initiated where a semi-circle of boats herd nearby whales towards the shoreline (only whales near the shoreline are killed). When the whales approach the shore, the people use blunt blowhole hooks that catch the whales without causing wounds (unlike harpoons and spears) and draw them closer to shore. Only adult males are drawn in (no females or babies) and only enough that can be killed swiftly are drawn in.

Once drawn in, the men quickly use their knives to cut the spinal cord and artery supplying the brain, killing the whale within 15 seconds of being beached. It is the quickest and most painless way to kill the whales and only those who have been trained to do it properly are allowed to kill. As a major artery is cut and whales are big mammals, a large volume of blood is released, dying the sea a bloody red colour.
The whales are then divvied up equally, with no part of the whale going to waste. As only nearby whales are killed, sometimes no whales are killed for years.

Unfortunately, due to pollution in the ocean, there have been increasing levels of heavy metals such as mercury found in the whale meat. This is endangering the health of the island population and the deeply engrained tradition of grindadráp. The saddest part is that the pollution is from industrialised countries such as USA and European countries, not the Faroe Islands. Yet the Faroese have to put up with bigotry from those who do not understand the culture, process or the reasoning behind the tradition. If anything, it is by far more humane and sustainable than killing animals after a lifetime of captivity then sending them to a slaughterhouse.

It is extremely important to see the truth behind controversial issues such as this, as more often than not the truth is shrouded by bigotry and subjective comments by people who have only seen the issue through some photographs on the internet.

image

(Notice the single, deep horizontal slash through the dorsal aspect of the spinal cord, just before the brainstem. Such a cut would immediately sever any pain signals and cause almost instant unconsciousness due to ischaemia of the brain.)

Posted in Philosophy

Town Musicians Of Bremen

Once upon a time, a donkey who had worked hard for his master all his life on a farm was about to be sold off simply because he was old. The donkey fled to Bremen where he hoped to be a travelling musician. On his way to Bremen, he met a cat, a dog and a rooster who were all placed in a similar predicament. The four animals decide to form a band of animal musicians. While travelling together, they came across a house full of delicious food and a warm fire. 

However, they soon found out the house was inhabited by robbers. The animals decided they should somehow chase away the robbers and ultimately came up with the plan of the rooster jumping on the cat’s back, who was on the dog’s back who was on the donkey’s back. The quartet began singing at the top of their voice. The robbers were startled by the strange sound and terrifying figure and ran for their lives, thinking the house was haunted. The musicians then feast on the food and spend a warm night in the house.

Later that night, the robbers returned and sent one of their members to scout the house. In the dimly lit room, he sees the cat’s eyes but believes it to be candlelight. At that moment, the cat scratched his face, the dog bit his leg, the donkey kicked the robber and the rooster chased him out the door. The robber then told his companions about how he was scratched by the long nails of a witch (cat), stabbed by an ogre’s blade (dog), hit by the club of a giant (donkey) and worst of all, chased away by the shrieks of a dragon (rooster). The robbers gave up on the house and the animals spent the rest of their lives in that house happily ever after.

The moral of this story is that even after being thrown away, if you stay optimistic and work through the troubles you can still live a happy life. A similar lesson is found in a quote by General Douglas MacArthur: “Old soldiers never die. They just fade away.”. If you have passion, dreams and a friend who has the same mindset, nothing is impossible.

image