His exalted name, “Light,” touches the darkness
and everywhere is filled with light.
The letters written from a brilliant world
are revealed to the hearts;
Then the Divine command,
“Read in the name of your Lord!”
descends and becomes our intentions.

We look around the Earth and believe that we start to sail into the dark upon reaching the depths of the skies, the land, and the oceans. But if we look with care, we may notice that the inhabitants of those places often inform us of the beauties they are created with.

The depths of the oceans, especially, are where what we see leave us amazed. From microscopic bacteria to giant squids, and from tiny lighted jellyfish to spiny skin, many creatures, from ascidians to some sharks and stingrays, turn on their lights, literally, illuminating the darkness of the deep sea. This biological light-producing process in the body of some animals is called bioluminescence. It is astounding that these creatures can emit biological light with no change in their body temperature. Normally, light is formed by emitting heat. This basic principle applies to some of the most common sources of light that we know of, such as campfires and electrical lightbulbs.

A mechanism that produces light without heat has been created in some insects living under the sea as well as those on land. The basis of biological light production is generally the oxidation of luciferin, i.e. its conversion to oxyluciferin. The enzyme necessary for this chemical reaction to occur is luciferase.

Most living creatures that can produce bioluminescence live in deep, dark areas of the world’s various seas and oceans. Some of the inhabitants of these depths emit strong blue (secondarily green) light at an average wavelength of 475 nm. An interesting note is that underwater life forms are often created with sensitivity to the wavelengths of blue-green lights mentioned above. In rare cases, there are also sea creatures that emit light in the yellow-red wavelength range.

Animals with the ability to emit light are also usually given excellent control mechanisms so that they can use their equipment as a weapon. They can turn their lights on and off in a flash and can utilize complex chemical and neurological mechanisms that provide functions such as adjusting the intensity, color, and direction of the light. Creatures that produce light underwater sometimes do not need to use the light in order to see where they are going. Instead, they tend to use these marvelous gifts in a variety of strategic ways. Some will try to attract the attention of their prey; others will attempt to ward off predators and aggressors; still others will use their lights to indicate that they are ready for reproduction. It is even possible for some creatures to utilize several of these functions at the same time.

Let us now examine some specific species and how they employ bioluminescence.

Light vomiting shrimp

One of the most interesting examples of bioluminescence in animals is the light-emitting deep-sea shrimp Acanthephyra purpurea. This shrimp will actually vomit light from its mouth as a last-ditch effort to deter predators. The intent is to disorient, confuse, and even temporarily blind other creatures, similar to the effect of a flashbang grenade, so that the shrimp can retreat into the dark. As a result of their research on the shrimps, marine biologist Edith Widder states that the chemical substances sprayed are not blue when they are in the body and that the blue light production occurs when the luciferin substance in the sprayed liquid comes into contact with the oxygen in water.

Loosejaw fish

There are at least 42 recorded families of bony fish that have bioluminescent properties. One of them is the Photostomias guernei, or the “loosejaw fish”. This fish has a remarkable organ that emits light on the sides of its eyes. These lights, which resemble the headlight lamps of our cars, are not constantly lit, in order to avoid waste. When hunting, the fish illuminates the way ahead with the light it produces, and it can turn these lights off when they are no longer needed. A wonderful feature of this organ is that, just like headlights, a highly reflective layer is created behind the main center of the light. The reason that the fish is able to turn the light off may be because its black velvety body is contrasted by the light color of the organ and would thus attract much unwanted attention.

Deep sea hatchetfish

Bioluminescent systems were also given to creatures in order to act as a means of camouflage. They work phenomenally for both hunting and survival in situations where blending in with the environment is paramount for catching prey or evading predators. In the depths of the underwater world, the silhouette of an animal bathing in light is an easily recognizable target. One of the best examples of this phenomenon is the deep-sea hatchetfish. The fish has been created with its eyes on top of its body and its mouth facing upwards, making it easier to hunt. It also emits bioluminescence from its abdomen to provide camouflage against more aggressive, larger fish that swim lower than itself. The color of the light emitted makes it difficult to recognize the fish from below as it perfectly matches the color intensity of the environment. In the meantime, if the sunlight that hits the sea is interrupted in any way, the fish will turn off its lights and the camouflage will continue.

Black dragonfish

Diversity in the light organs of the scaleless black dragonfish (Melanostomias bartonbeani)

This species of black dragonfish (Melanostomias bartonbeani) takes advantage of luminescence in a number of ways. An illuminated area next to the eyes is used to find prey and send signals to its mates. The black dragonfish’s chin also has an illuminated extension that dangles in the waves as bait for naive prey. In addition, a set of small organs of light arranged along its abdomen play a role in concealing its silhouette. Furthermore, light-emitting pocket-like structures surrounded by a gelatinous capsule embedded in the skin are used as alarm systems. The bioluminescent systems within this creature are immensely complex and beautiful, and when observed in detail reveal the dazzling splendor of the world that we live in.

Fish with 3 different types of illumination

The Northern Stoplight Loosejaw (Malacosteus niger) has three different types of light organs, the complex use of which cannot be possible without top engineering skills. The wide, drop-shaped, illuminated organ under its eyes emits a red light at a wavelength of 702 nm as if it knows the laws of optics under the sea. This red light is not visible to most deep-sea creatures, for it is quickly absorbed in water. Yet, with this red light this fish is able to have vision in a close proximity while remaining largely undetected. This is similar to infrared binoculars soldiers use for night vision without giving away their position. The loosejaw is thus a dangerous hunter that has an edge over its prey. There also exists a blue light-emitting oval section, behind the organ, that emits red light and is usually larger in males. A third light organ is round and smaller and is located between the eyes and the red-light organ.

Angler fish

The angler fish is one of the most iconic fish of the deep ocean due to its famous rod and bioluminescence. The angler fish does not actually produce its light on its own: the light is credited to bioluminescent symbiotic bacteria that inhabit the end of the rod on their forehead. This illuminated part, which resembles a worm-like bait, is very attractive to small fish. These fish are thus lured to the angler expecting a quick snack, but instead the angler swallows them whole with its massive mouth. While doing their task of helping the angler hunt small fish, the bacteria maintain a symbiotic relationship with the fish and also find an environment in which to proliferate. In this way, they form a good example of cooperation and solidarity. One may wonder: how can such a mutual agreement come into fruition between a fish and some bacteria which are deprived of a nervous system, mind, and consciousness?

One of the reasons that marine biologists are interested in light-emitting bacteria is the wide-lit regions called the “Milky Seas.” These can be observed in satellite images of Earth. Recently, satellites helped detect a bioluminescent area of roughly 5,946 sq. mi in the Indian Ocean; scientists wondered if some bioluminescent bacteria or Dinoflagellate-type flame-colored algae may be the cause of the phenomenon.

Alarming jellyfish

The luminescence of some marine life serves as an alarm or distress siren. A remarkable example of this is the Atolla jellyfish (Atolla wyvillei), an elegant inhabitant of deep waters. This jellyfish produces blue lights that are spread in circles in the water when it is attacked. Thanks to these lights, it tries to draw the attention of larger and stronger animals than the initial attacker in order to escape from harm’s way.

As can be observed in some species that we are familiar with, such as fireflies, the bioluminescence feature that is full of wisdom granted to some living beings is a thought-provoking biological miracle which does not only make us ponder where they got these abilities from but also reveals how so many intricate patterns are found in nature.

References

• Steven H.D. Haddock, Mark A. Moline and James F. Case. 2010. Bioluminescence in the Sea, Article in Annual Review of Marine Science, DOI:10.1146/annurev-marine-120308-081028 Source: PubMed.
• Edith A. Widder. 2001. Harbor Branch Oceanographic Institution, Fort Pierce, Florida, Marine Bioluminescence, Bioscience Explained, vol 1, no 1, pp. 1-9.
• Edith A. Widder. 2010. “Bioluminescence in the Ocean: Origins of Biological, Chemical, and Ecological Diversity,” Science, vol. 328, pp. 704-708.
• www.wired.com/2012/01/glow-little-spewing-shrimp-glow/ March 28, 2018.
• en.wikipedia.org/wiki/Malacosteus_niger / April 1, 2018.
• Harold, A. 2015. Malacosteus niger. The IUCN Red List of Threatened Species 2015: e.T190149A21909439. http://dx.doi.org/10.2305/IUCN.UK.2015-4.RLTS.T190149A21909439.en.
• https://www.iucnredlist.org/species/190149/21909439

Able to dive into the water at a speed approaching 90 km, the kingfisher can grab its prey at this speed in a depth of 60 cm, instantly pivot back and then, using its wings as oars, surface above the water. In order not to lose its prey, the bird’s precisely timed diving and surfacing takes place in three seconds.

A torpedo as light as a fly

The most basic factor that enables an animate creature to dive into the water is its body being heavier than the water. With a weight of 40 g and a length of 18 cm, the kingfisher (Alcedo atthis) should remain on top of the water and not be able to catch fish because it cannot dive. However, because God put the sustenance of this bird in the depths of the sea, He gave it the special diving ability. Able to dive into the water at a speed approaching 90 km, the kingfisher can grab its prey at this speed in a depth of 60 cm, instantly pivot back and then, using its wings as oars, surface above the water. In order not to lose its prey, the bird’s precisely timed diving and surfacing takes place in three seconds. In a short period of time the kingfisher has traveled a distance 414 times its height. This shows that it can move as fast as a fighter aircraft. If we consider what the kingfisher does on a human scale, a person would be able to dive 26 meters in three seconds and then resurface with a prey the size of a sheepdog. Here another interesting point should be made. The fish the kingfisher wants to catch is actually in a different position than it would visually appear from the sky due to the difference of the degrees of deflection of light in water and air. Bereft of any knowledge of optics, how does this bird solve this problem of physics?

How heavy is a bird feather?

There are physical limits to bird’s flying capabilities. In order for a bird to be able to fly, its weight should not be more than 15 kg. In order for birds heavier than this to fly, their wings have to be proportionately larger so it is difficult for this big a bird with heavy wings to fly. Male silent swans (Cygnus olor) weigh more than 14 kg; in fact, there are even some that weigh 20 kg. However, God compensated for this situation with a special structure. Like other birds, the silent swans have some bones filled with air and the inner part of these bones has been made stronger with small props. For this reason, the feathers and bones of these birds are one-tenth as heavy as their bodies. There are more than 12,000 muscle ligaments in the wings of swans to activate the feathers used in flying. Long (50 cm) wing feathers greatly increase the carriage surface of the wings. Each feather can carry 200 grams of weight during flight. For this reason, a swan that loses just one wing feather can no longer take flight. It takes 60 days for the feathers to be completely renewed.

Because the owl’s ears were created asymmetrically (the right ear is higher), sounds reach the close ear 1/300,000 of a second earlier. This small amount of time difference is enough for the owl to determine the exact place of the source of the sound.

Are owls flying radar stations?

Under normal conditions it is not possible to hear the sound waves of a mouse eating a hazelnut in a hayloft. Possessing a sensitive receiver, owls are an exception. The facial structure of owls resembles the high tech early warning equipment on AWACS planes. Focusing on even the smallest sound wave just like a satellite antenna, this structure cannot be explained by the intelligence of an owl.

Because the owl’s ears were created asymmetrically (the right ear is higher), sounds reach the close ear 1/300,000 of a second earlier. This small time difference is enough for the owl to determine the exact location of the source of the sound. Through the 95,000 nerve cells in the simultaneous hearing center, the brain imagines a 3-D image of the prey. Due to the anatomy of it 14 neck vertebrae (humans and other mammals have seven vertebrae), the owl was given the capability of turning its head 270 degrees and determining the exact position of its prey. While flying towards the place where the sound came from, the owl can constantly recalculate the position of the prey relative to its own position, even if the prey changes its place. As a result of this precise calculation, only three seconds passes between the moment the owl first heard the sound of the prey and the moment it makes its deadly attack.

Is there a mathematical formula for remaining alive?

The formula is this: 7-15-70. It is difficult to immediately understand what these three numbers mean. However, these numbers make it almost impossible for a starling to be caught by its enemies.

We can explain the meaning of these numbers as follows: Whatever 7 close neighbors do, imitate them; constantly fly at least 15 cm from them; do not ever fly more than 70 km per hour. There is one more rule: Keep your distance from all enemies. When these principles are followed, enormous protection follows.

Flocks of starlings are comprised of several thousands of birds that move like one organism. In less than a second, the flock’s direction, size and breadth can change. In this situation their enemies do not have much of a chance against such a tight mass. For predatory birds need to determine their targets in order to catch their prey. The fast and sudden movements of the flock prevent attack from predatory birds. In spite of this, predators who attempt attack go back empty-handed. For acting like one body, this enormous flock encompasses the enemy in a counter current with the waves they create and narrow it down until the bird can no longer fly. Becoming dazed, the predatory bird has no choice but to fly away from the flock. This instructive action of the starlings brings to mind the Qur’anic verse: “There is not an animal (that lives) on the earth, not a being that flies on its wings, but (forms part of) communities like you” (6:38).

The world’s best camera can see objects as big as a mouse from a height of 300 meters. This is an amazing thing, but even so, no camera can compare in any respect to an eagle’s eyes.

Can eagles see from the side?

The world’s best camera can see objects as big as a mouse from a height of 300 meters. This is an amazing thing, but even so, no camera can compare in any respect to an eagle’s eyes. Eagles can clearly see their targets from a distance of more than 1,000 meters. Eagles can even see a fish in fine detail from this distance. This special quality bestowed upon eagles is something technology would have difficulty imitating. For the lens of the eagle’s eye is soft contrary to human eyes’ and it sees clearly more quickly and it more greatly magnifies its object. In addition, each of the eyes of the eagle has two separate vision centers. This allows the birds to see clearly both in front of them and at their sides. To attain this perfect vision, more than a million light receiving cells are on duty in each square millimeter of the retina. Comparing this to a human eye, a person has 200,000 cells in the same unit of space in the retina. Due to this structure of the retina and lens, an eagle’s eyes are as large as a human being’s eyes. If a human eye were to have the same capability, it would have to be as large as an apple. Because a human does not need to hunt like an eagle, he was not burdened with such big eyes.

How much can a brain be shaken?

G-force expresses changes in a body’s weight caused by acceleration. For example, when a jet is climbing towards the sky, the gravity a pilot is subject to increases immensely and his blood puts a lot of pressure on the veins in his legs. A space vehicle has 3 G when it takes off; a war plane has an average of 10 G; and a car’s peak force is 120 G when it crashes head on at full speed. With every peck, a woodpecker’s beak reaches 1,200 G in a way that is hard to believe. In other words, it is like the bird’s head hits a cement wall at a speed of 25 km per hour, and the woodpecker does this 20 times a second.

Experiencing pressures greater than 14 G is deadly for a human being. In comparison, woodpeckers have been given the ability to endure several hundred times what astronauts experience in their landings. This is only possible with a very special histological/anatomic structure and a skull created with perfect proportions. With the beak hitting a tree in a hard manner, a woodpecker’s brain almost completely fills its skull in order to prevent a trauma from developing. Created with a spongy structure, its bone structure acts as a shock absorber. The head and nape of the neck muscles contract towards the place it has hit and the waves from the blow become harmless. Even the lower part of the tongue is wound around the skull once in order to secure the brain and protect it from shaking. This situation does not create a problem or difficulty for woodpeckers which hit their heads against trees for a handful of larva, for they have been prepared for these conditions in their creation.

Small birds creating the power of a hurricane

Having a spread of 35 cm between two wings when they are opened, swallows weigh less than a normal size lighter. At first glance the apparent body structure of swallows suggests that they should only display an average flight capability with their deficient ability to maneuver. However, when we go out into nature and see swallows soaring in the countryside, we see that the situation is not like that at all. With the amazing way in which they were created, swallows succeed in doing a job that appears to be almost impossible physically. These birds can pass with jet speed through a space only 2 cm wider than their bodies. They succeed in this by flapping their wings rhythmically without stopping. Researchers have determined that they do this by means of a wing structure that moves with a special mechanism. The upper part of the wings of swallows can turn the air into an eddy. With the pressure created by this eddy, a great power of lifting and balancing occurs. The birds virtually fly with the power of hurricanes. Until now, this style of flying was only known to exist with insects. By seemingly gluing their wings to their bodies with this wonderful mechanism bestowed by the Creator, swallows easily pass through difficult places. Consequently, swallows can make 90-degree turns at astonishing speeds. Supersonic planes also benefit by generating these same kind of mini-hurricanes.

Can there be flying submarines?

Every year in May, tens of thousands of sharks, whales and dolphins come to the South African coastlines because of the schools of sardines (Sardinella). However, the strongest sardine hunter is not under water; it is a bird eyeing its prey from 30 meters high. The northern gannet (Morus capensis) a much better hunter than other sea birds, has a perfect body structure. While even sharks can only catch one out of two prey, the northern gannet’s perfect hunting techniques enable it to make a record success. The first reason for this is its reaching its target quickly and directly; the second reason is its being able to move about comfortably under water. These sea birds can go down 10 meters at first and then 20 meters by flapping their wings. They can dive at a speed of 120 km per hour. Their capability of holding oxygen-rich air in their air bags allows them to hunt up to one minute under water. Because they usually finish their prey under water, it is not common for them to bring it to the surface.

As research supported by technological possibilities increases, many more amazing biological mechanisms will be discovered. Doesn’t it strain reason to explain the existence of animate creatures that continue life with such fine calculations by means of chance?

Many of you are frightened of us. You have even invented a disease called “Arachnophobia” (fear of spider). On the contrary, I do not inflict any harm on you, but rather help tidy up nature by catching harmful insects in my web. Particularly, when I remember the honorable task one of my ancestors took part in, my eyes get misty with emotion: In order to save the Prophet Muhammad, peace be upon him, the Pride of the Universe and Humanity, from his enemies, our Lord commanded one of our ancestors to quickly make a web over the entrance of the cave they were hiding in, and this made the infidels stop searching for him there. This honor is enough for us until the Day of Judgment. And please, at least, remember this historical event and stop killing us wherever you see us.

Many of you mistake us for insects. We, the spiders, are different from the insects. The easiest way to differentiate us is to count the number of legs and the parts of our bodies. Insects have six legs, whereas we have eight; their bodies are made of three main parts, while our bodies consist of two parts, one being the head. Moreover, we are different with respect to the sizes and numbers of our eyes. The insects usually have two large compound eyes, whereas we have eight small simple eyes (the simplicity here does not mean ordinary, or lacking in art, it means uncomplicated, plain!).

Those who-in order to reject our Lord-seek a way out through the dead ends of the theory of evolution are stunned when they see the delicate embroidery art in my body and the trap strategy in my magnificent webs. Since they know that we do not have intelligence or conscience, they, helplessly, take refuge in a term called instinct. You can resemble these thinkers to the flies that fall into my trap; the more they struggle through reasoning, basing their theories on nature, or causality, or coincidence, the more entangled they become. In order to deny God, they give credit to some imaginative alternatives for the artwork that has been bestowed upon spiders and thus deceive themselves.

We can live in all continents, except Antarctica, and can survive in many climatic conditions, from deserts to rainforests. The reason that we are more common on oceanic islands than on continents is the special threads we use in our nets. We can use this thread like a parachute and can travel on the wind to far away lands.

One of our most important attributes, the merit of which is so valuable that it is mentioned in the Qur’an, is our silk thread gland that produces thread in various qualities. We use this silk-like substance, which is discharged from conical nipples on our abdomen, for numerous purposes. Most of us are granted with at least two kinds of silk glands, with different structures and secretions. And we are given the knowledge to use these threads for different tasks appropriate to their chemical composition. Since the flexibility, durability, thickness and adhesiveness of each type of thread is different, we use the right type for each task. We use some types of thread to build a web to trap prey, others for furnishing inside our homes, and still others to protect our egg or sperm sacks.

Although everyone knows about our thread, the bio-chemical process that takes place during its production is yet to be completely understood. Our thread, despite being thinner than one thousandth of a millimeter, is five times stronger than a steel string of the same thickness. And it can be stretched up to four times its length. Moreover, it is so light that, despite the great length required to go around the world, such a thread would only weigh 320 grams. My web occupies a large space in comparison to my size; but this appearance is deceptive. My real home is a small spot in the middle; the rest is a trap set up for flies. Now, despite being such a wonderful material, the Holy Qur’an, in the chapter named after me, states that “ The parable of those who take to them other than God for guardians is like a spider: it has made for itself a house, and surely the frailest of houses is the spider’s house. If they only knew this!” (Ankabut 29:41). Have you ever wonder about the inner meaning of this verse? If you have, you can see that it describes my house as being feeble and flimsy, but not the thread that made the house. That means, no matter how excellent is the material you have, if you do not use it in the right place, it is useless. My thread and my house that I build are adequate for me, working as traps for my prey. You might waste the highest quality materials if you use them to construct a building with poor foundations. That is to say, if a human being, equipped with the most wonderful qualities, chooses an invalid fallacious god for themselves, they waste the equipment bestowed upon them, such as intelligence, comprehension and conscience. What is worse, when they adopt a deity other than God, whatever they accomplish in terms of excellent scientific studies, discoveries, or inventions will all be wasted. The arguments of those who deny God might seem sound, but in reality they are fallacies, causing those who are not using their innate capabilities to fall into their traps. Of course, a miraculous book like the Qur’an can be read and understood from the perspectives of other sciences and thus can be understood in a variety of ways. Mine is just one. …

The production of my silk, which is stronger than either synthetic or natural fiber, is similar in part to the production process carried out in factories that manufacture thread. The protein called keratin that I use in silk production is a very common substance, found in human fingernails and hair, as well as in bird feathers, in horn, and in the scales of snakes. Even though the same amino acid is used by these creatures, our Lord, the Creator of all, has the knowledge and the omnipotence to turn the same protein found in your fingernail into silk in my glands.

The liquid silk material, discharged like a protein soup, passes through the ducts of a gland where the liquid is absorbed very rapidly and is then turned into acid by other cells via hydrogen atoms before being spurted out as silk. Once the densified proteins enter the acid pool they form links with one another and turn into thread. The bio-chemical reactions that take place in this process, which I have only explained very basically, vary, depending on the types of thread produced in the different glands; by using different processes different types of thread are produced.

My Lord, Whose mercy is endless, Who gave me all the things that I need to survive down to the smallest detail, has granted me six different manufacturing chambers. In each chamber the chemical substances, prepared as different formulas, are mixed in different proportions to suit my needs; in addition, the caliber of the orifices from which they are spurted and the pressure of the pumps are adjusted to the most appropriate levels to produce thread with different characteristics. Neither my knowledge, nor my ability is enough to comprehend the settings in the silk producing nipples located in my stomach. Nevertheless, the threads that I use for hunting are sticky, while others, by which I return to my home with my prey, are stronger and more flexible. Moreover, the other kinds of thread which I use to wrap my prey are straight and have the quality of becoming harder when movement occurs, while the other threads that I use for my egg sacks have an antibiotic to protect against germs, the ones that I use to go up and down are slippery, and finally the ones I use to lay the foundation of my house are thicker while the ones that I place within the nest are thinner. With graceful leg motions I bring all these threads to the right place and secure them there. I straighten some thread with a comb in my foot. The threads are coated with a liquid substance that protects against fractions in case of exposure to pressure.

A creature that is as small and helpless as I am would need to understand the order of the protein atom used, as well as the properties of pressure in order to protect against fractions, and comprehend the structure of the coating material and many other physio-chemical principles in order to produce these threads that have such excellent qualities. Since that is not the case (I do not have any such knowledge) and as the creation cannot be explained via some unconscious terms such as evolution, mutation, or natural selection, my Creator, the creator of all that I do, is Allah. Plastic surgeons have just started to use some types of spider threads in delicate operations on tendons and joints.

Although I do not have any architectural or engineering training that would help me to calculate where I have to secure my threads or to understand the angles between them, with Divine Guidance I am able to perform these tasks properly. Since I live mostly on insects, I am a very useful animal for you; by catching and destroying many insects I play an important role in the ecological balance. Otherwise, these insects would be overwhelming, not to mention the harm they cause to crops. In addition to this there are some interesting species of ours, which live on fish or even bird.

There are approximately thirty-five thousand species of spiders; of this only five hundred can be considered to be dangerous to humans. Even though all of us have poison glands, if we bite a human in general this only causes an itch. We do not deliberately come and bite humans. Even the most poisonous of us all, the black widow (Latrodectus mactans) is rarely fatal for human beings. This species, which builds a large web with a conical center, can hide around 250-750 eggs, wrapping them up with a silk cover. The females are three centimeters in size, while the males are only about one-fourth the size of the females. Once the females receive the sperm, they eat their males instantly before they can escape. Unlike many of us, the Tarantula (Lycosa tarentula), a spider that measures 2.5 centimeters and which belongs to the wolf spider family that is found in Europe, does not make webs; rather they catch their prey by chasing. They have strong venom as well, but contrary to the common exaggeration, this venom is not fatal. There is another species of tarantula in South America, but this spider belongs to a totally different family, the Theraphosa. The size of the main body of this spider is about 9-10 centimeters, and the distance between the legs is 25-30 centimeters. This large and hairy kind of spider is active at night. Some of them live in holes they have dug in the ground, while others build nests on trees. Even though they can be classified as harmless, their bites hurt. They kill small frogs, lizards, and even birds.

Most spiders live alone. A few of us make houses next to each other, and hunt together. Our hunting techniques are various. The Bolas spider (Cladomelea longipes) has incredible techniques for preparing and throwing bolas. Even though their sense of sight is poor, this species can feel the vibration of flying pigeons and they diffuse a special odor to attract their prey; once the prey has come close, the spider catches it with a sudden attack, paralyzing it with its poisonous bite and then wrapping it in special silk. This special silk has a quality that allows it to keep the wrapped prey fresh; thus, the food, which cannot be consumed in one meal, can be safely stored.

Species that live in the desert dig tunnels in the sand to protect themselves from the dreadful heat, and discharge a special excretion to stick the sand together. They also insulate the interior of the tunnel with silk threads to protect themselves from the heat outside. They make a special silk lid to the entrance of the tunnel and camouflage it with some sand. Then, by stretching their thin thread between some rocks and sticks nearby, they wait for their food. Since the daytime is so hot, they prey at night, waiting for insects to vibrate the threads they have placed.

There are other species, for example, the water spiders (Argyroneta aquatica). This species lives in the water and makes their nests in an air bubble on the water, from time to time traveling up to the surface and restocking the air under their stomach to pump it into their home underwater. Another species, called Dolomedes fimbriatus has legs that enables them to walk on the water and to live on fish. As it is the case with all kinds of Arthropoda (exoskeletal animals), we need to change our skins when we grow. Once the outer skeleton, made of ketone becomes hard, it impedes our growth. Because of that, from time to time, we shed this skin, and grow rapidly while our new skin is soft. Moreover, the legs, which are cut off due to various reasons, are renewed with the grace of God.

I could tell a lot more about my friends, but I think this is enough. I hope that from now on no one will attribute our artful of creation and behavior to evolution or coincidence. In fact, I do not expect such a thing from human beings, who have intelligence, conscience, and comprehension.

“We were thrilled to see a dome we came across in the cave after turning a few curves as we drifted along the current of the sea. What we saw in this pitch dark corner of the cave was a glorious sky adorned with thousands of stars and we felt as if on a remote planet yet unidentified. These mysterious stars would suddenly fade out as if they were frightened by each noise we made, the splash of the oars, or waves hitting the boat. They would glow back marvelously after a short while when their fear was over. It was an amazing luminousness coming out of thousands of lights.”

A scientist with infinite determination, Professor Illies says they now know who the players were who were involved in and the realities behind this enchanting show: Arachnocampa luminosa. This self-glowing fly, which is endowed with a peculiar light-radiating system, is known by different names in other parts of the world.

Mysterious light-radiating mechanisms

A microscopic organ found in the stomach of the glowworm is the source of light which creates the glow. Two chemicals are produced in two very close locations in this organ which is essential for the glowworm to continue its existence: Luciferin and Luciferase. These glowworms have no idea that they glow when these chemicals are mixed together with oxygen as the third component, which is taken in via respiration. They are neither blessed with the intellectual capacity to determine how much of these chemicals should be utilized or which stages this chemical reaction will go through; they are unaware of the nature of this glow, but they can radiate it for three consecutive hours thanks to this complex mechanism installed within.

A normal electric bulb can transform a maximum of 3-4% of the electrical energy supplied into light, whereas this output is 10% in the fluorescent bulb; the rest of the energy is released as heat, a waste in production. The ideal 100% efficiency would be to transform all energy into light with no release as heat. Today’s technology has not yet reached that level of illumination; even the most productive devices release heat to some degree. For thousands of years, however, the tiny bodies of glowworms are like power stations, yielding 100% light, a capacity which engineers have not yet achieved.

Can Darwinism explain a luminosa’s glowing mechanism?

The glowworms of the Waitomo caves are equipped with bioluminescence, a system of illumination that is the result of chemical reactions. Researchers are seeking answers to why Arachnocampa luminosa lives in the cave and radiates light. The first answer that comes to mind is that it uses this light to catch its prey. In a dark cave, the strong light attracts the prey which is caught by the sticky droplets secreted along silk threads that hang from a web. The glowworm digests its prey together with this thread. The explanations of evolutionists, based on natural causes regarding this complex bioengineering mechanism possessed by a worm, are far from satisfactory.

These explanations were confirmed (!) by behaviorist Niko Tinbergen, a Nobel-prize winner in medicine, in the introduction to his The Animal in its World (1972): “It is manifest that an animal can do stunning things and it can get accustomed to its habitat. The environment has shaped the evolution’s path, and it still does.” A hundred years after Darwin, Konrad Lorenz would state the following with additional emphasis: “The conviction that all the important details found in the structures and behavior of living things can be explained by the mechanisms discovered by Charles Darwin becomes stronger as I am getting older.” A superficial and distorted perspective on nature…

If we were to explain animal behavior according to the perception of evolutionists we would have to accept that during the evolution process of Arachnocampa the luciferin chemical came into being at a stage that was followed by the formation of lusiferase enzyme coincidentally, and thus the glowing started. Recently, it has been discovered that the larvae of glowworms also produce light. A larvae feeds on microorganisms (fungi spores) which are completely insensitive to light; this proves that the light produced is not a necessity for nutrition. Natural selection, a mechanism proposed by Darwin, cannot explain why the larvae wastes the energy obtained via nutrition under difficult circumstances by glowing. Each adult Arachnocampa goes through the larvae stage, which spoils Darwin’s “chain of development.” Coincidental mutations, natural selection, and re-combinations present nothing but contradictions.

According to an evolutionist scenario the latter stages of development witnessed one of the Arachnocampas started to produce light for no obvious reason (!). It became stronger with this new physiologic aspect; although it drew attention with this new light it did not become a prey to its enemies, but on the contrary it snared other insects more easily. It left this new hunting skill as a legacy for future generations (!). In the meantime, the remaining old-type Arachnocampas, which did not have this skill, became extinct with no trace left on earth. The glowworm thus perfected its physiology and anatomy, and there was no need for change for millions of years to come!

Evolutionists can do nothing but explain with unintelligent mechanisms the glowing that is created by a reflecting tissue at the back of the body and the fact that the light is condensed to be directed towards one course. Otherwise the light would only illuminate the roof of the cave. They further explain, with an analysis that is not based on logic, that the glowworm can detect air waves (like bats hunting by ultrasound waves), and thus can turn on and off the light, control the glow and hide from danger. It is so difficult for an evolutionist to accept creation that they adhere blindly to these theories. If one would argue how baseless these explanations were, they are likely to receive the response “a scientist should not be narrow-minded” and that “we are not at that stage to appreciate the importance of coincidence in the formation of such behaviors.” “This will change in the future when we attain the necessary information.”

Professor Ernst Mayr assures (!) us about the role of coincidence: “The variety in nature produced by mutation and re-combination takes place only by coincidence. The destiny of every being is determined by surrounding factors through selection. There are no long term decisions in nature. The existence of a thing is determined by these mechanisms for that moment.” Mayr would probably find it a silly question to ask whether the windshield wipers of his car came into being by coincidence.

“Surrounding factors determining perfection” brings along several questions. The limestone which forms the essential material of a cave is biologically dead, and it does not sound very logical to depict it as the primary factor in the occurrence of such a complex organism. There are a number of insects that live in these caves but which do not possess the characteristics of Aluminosa. Moreover, from a neo-Darwinist approach, insects living in these dark caves should have lost their vision in accordance with the theory. The natural selection mechanism argues that eyes which are of no use in these dark caves should be an unnecessary organ. These organisms could have channeled the energy they allocated for their eyes for a more functional sense, and this could avail them many advantages. On the contrary, these glowworms have perfect eyesight which they use in communication.

Science develops theories for observable objects. Under the twilight of the lack of information and blurred perspective on nature, these theories are perceived as realities. And science becomes the slave of the genie that science has released from the lamp. Joachim Illies underlines this as follows: “It is better not to disturb the sacred cows for no reason. Darwinism has become one of those sacred cows. These cows stand in the middle of the road and the traffic flows into byways so as not to disturb them.”

In the world of living things, examples of Arachnocampa luminosa are not few and they cause metaphysical headaches for the Darwinists. In the face of such pain they load the burden of keeping silent on the “Darwinist coincidence.” They silence their conscience and distort reality; their explanations do not make any sense. We wish they could turn to God Almighty for once, rather than chasing after coincidence and natural selection up so many blind alleys.

References

• Portmann, Adolf: An den Grenzen des Wissens – Vom Beitrag der Biologie zu einem neuen Weltbild; Buchclub Ex Libris Zurich 1975, S. 145 – 159.
• Darwin, Charles: Über die Entstehung der Arten durch naturliche Zuchtwahl; Parkland Verlag Koln 2002, S. 97 – 153.
• Illies, Joachim: Der Jahrhundert Irrtum; Umschau Verlag 1983 / Frankfurt am Main; 122 – 131, S. 92 – 117.
• Zimmermann, Walter: Evolution-Die Geschichte Ihrer Probleme und Erkenntnisse; Karl Alber Verlag Munchen 1953; 480 – 496.
• Thurkauf, Max: Die moderne Naturwissenschaft und Ihre soziale Heilslehre–der Marxismus; Novalis Verlag Munchen 1980, S. 190 – 217.

The spider’s web is woven from a special silk. This is a fibrous protein first secreted as a fluid and then stretched into strands which, because of their strength and elasticity, are extraordinarily resistant to breakage.

Garden spiders (Arena diedemata) make their webs from two different silks. The threads of the main structure are woven from a strong silk which can be stretched further (by as much as 20%) but then loses its strength. By contrast, the other kind of silk, used between the main threads, is lighter and stickier and can be expanded three times without losing its original characteristics. Under a microscope drops containing a reserve of silk can be seen at intervals on these thinner ‘hunting silks’.

After its web is complete the spider hides out of sight, somewhere on the outer strands of the web. When an insect flies into the web and struggles, the spider is alerted by the vibrations and runs out. It rapidly contains the victim’s struggle to escape by tying it up with the silk set aside for this purpose in the drops: the elasticity of the hunting silks is vital in this task. While tying it up, the spider injects the victim with the poison from behind its jaws which both paralyses the insect and acts as a digestive juice softening up the now helpless corpse. The spider then goes on injecting and sucking back fluids until the soft parts of the corpse have been digested – any skeletal parts left over are simply discarded.

Spiders put their weaving skills to a number of different uses. As well as making the insect traps we call spider webs, they weave draglines’ that help them to locate themselves and to break their fall if they should slip. Small spiders spin a sort of ‘parachute’ thread that allows them to be carried on the wind.

Some species of spider make active traps. Menneus spins an elastic net between its legs and sweeps it through the air to catch passing insects. Cledomelea dangles from one leg a blob of sticky silk at the end of a long thread and swings it out to attach its prey. Trapdoor spiders (Ctenizidae) dig a burrow closed by a silken door; when an insect ventures near, the spider darts out to capture the imprudent victim.

Spider webs are beautiful, intricate constructions: threads which serve as scaffolding during the construction process are removed once the web, a mesh of sticky and non-sticky lines, has been completed. The skill of producing webs is clearly instinctive, but the irregularity and variety of web forms shows that the skill is adapted by individual species to serve different functions and suit different circumstances – some webs hang in the air to catch insects as they fly, others are laid across the ground, both at angles calculated (presumably by experience) to lure and intercept prey.

Recent research has shown that some A. Glomosus spiders use ultraviolet rays to attract their prey. In one experiment fruit flies (Drosophila) were set free between two webs lit up by a white beam. One web was that of a A. Glomosus spider and radiated ultraviolet rays; the other was not: the flies were attracted to the former

Another remarkable species are the Dolmedes spiders which have long legs (8-10 cm) and striped, brown bodies. They live near water ponds where they have learnt, despite having very poor sight, to catch fish. Their hunting-gathering technique is of awe-inspiring dexterity and patience, rivaling that of any human fisherman. First the spider walks around on the bank to pick a site suitable for laying a web. Once that is done, it waits patiently, standing partly on water and partly on land. A special sticky secretion helps secure its hold on the surface of the water. While waiting, it prepares its poison in its mouth. When a small fish happens by, the spider plunges forward to seize it, releasing its poison into the water as it does so. As the poison begins to work, the spider turns over making its own body a sort of float for the struggling fish, carries it to land and there consumes it.

Some species of spiders do not make webs to ensnare their prey. Instead, they actively pursue their prey or lie in ambush for it. They are endowed with specially keen sight or touch sense, used respectively for hunting in daylight or in the dark. The ambushing varieties are remarkably well camouflaged – the colour and shape of their bodies making them almost invisible against the immediate background of leaves or bark or stones and sand.

One of the night-hunting spiders of the Amazon jungle spends the day hiding in crevices or in holes in trees, emerging into the jungle at night to stalk its food. Its legs spread the width of a human hand and move with utmost stealth until, when near enough, the spider makes a sudden, final dash, seizing small mammals (humming-birds, for example), stunning them with its poison, then dragging and shaking them to death. The detestation and horror this species arouses in human beings is hardly justified – its poison is not more troubling to a human than a bee sting.

Reputation and significance

Spiders have a very negative image among human beings. Perhaps the number of legs, the grotesque facial expression, the hairiness of some species, the fact that they carry a poison, but most of all, the fact that they hide in corners and come out unexpectedly – have contributed to the spiders’ bad reputation. The poison of spiders, with just two exceptions (the ‘black widow’ and the ‘brown recluse’), is relatively harmless to humans.

Spider silk cannot economically be converted into silk cloth for human use. However, it has been used for the cross-hairs of optical instruments. More recently, the silk of the tropical species Nephila has been employed in the manufacture of bullet-proof jackets. The Nephila spin huge webs strung across trees, as long as 2 metres or more, and of a silk so strong and elastic that the local peoples make very effective fishing nets from it.

On balance, it is high time human beings overcame their irrational detestation of spiders. We should be grateful to them for all the good they do for us in preserving our persons and properties, especially our crops, against devastation by insects. One authority calculated the spider population of England and Wales as of the order of 2.5 billions at any one time. This means that if (at a most conservative estimate) each spider eats 100 insects a year, then the total number of insects consumed by spiders is 250 billions annually.

REFERENCES

‘Spiders’ Microsoft (R) Encarta. Copyright (c) 1994 Microsoft Corporation. Copyright (c) 1994 Funk & Wagnall’s Corporation.

Buton, M. & Buton, R. (1975) Enevlopedia of Insects and Arachnids, BPC Publishing Ltd, London.

Gerald, L. & Wood, F.Z.S. (1982) The Guinness Book of Animal Facts and Feats, Guinness Superlative Ltd, London.

Waterson, AR. (ed.) (t975), Collins Enevlopedia of Animals, William Collins Sons & Co Ltd, London and Glasgow.

SPIDERS IN GUINESS BOOK OF RECORDS

The largest and the heaviest spider: The Guyanan ‘bird-eating’ spider (Theraphosa

blondi) of South America has long been credited with the ‘largest spider’ title. A male specimen with a leg-span of 254mm (10 in) and a body length of 89mm (3.5 in) weighed just under 57g (2 oz).

The smallest spiders are the midget spiders (Symphytognathidae), the tiniest of which is the pale yellow Patu marplesi of Western Samoa, S.W. Pacific. A male specimen found in moss at an altitude of 610m (2000 if) measured 0.43mm (0.07 in), which means it is half the size of a full-stop on this page!

The largest spider webs are the aerial ones spun by the tropical orb weavers of the genus Nephila. Several examples found in the Karrakpur Hills near Monghyr, central Bihar, India measured 1.5m (5ft) in diameter (about 4.79m (1 5ft 9in) in circumference) and had long supporting guy-lines up to 6.1 m (2Oft) in length.

The smallest webs in the world are the aerial ones spun by midget spiders. That of the orb weaver Chasmoeephaion armaturn of New Zealand measures about 9-10mm (O.35-0.39in.) in diameter which means it is half the size of a small postage stamp.

The highest speed recorded for a spider on a level surface is 53cm/s (1 .73ft/s) (= 1.90km/h; 1.18 miles/h) for a female house spider, Tegenaria atrica. This may not seem very fast, but the spider covers a distance equivalent to 330 times its own body length in ten seconds.