The Careless Use of Chemicals to Control Pests

The Careless Use of Chemicals to Control Pests or Natural Pest Control
Indian Runner Ducks Eat Slugs and Bugs

One of the significant challenges we face is dealing with biological pests. In the United States, the accepted pest control method is using chemicals to kill anything that affects crop growing, spreads diseases, or just annoys us. We use weed and vegetation killers, insect sprays, chemical treatments for trees, and chemicals for the soil to make our lives more comfortable and increase the food supply. Unfortunately, the problems caused by the careless use of chemicals to control pests become more evident as we see the collateral damage and the cost of chemical production and distribution.

The current battle over the potential cancer-causing effect of Roundup reminds us of the health damage Agent Orange caused for military personnel in Vietnam. On a personal note, my younger brother died from the effects of Agent Orange that he was exposed to during his military service. We need to realize that God has given us tools to control negative environmental influences without the careless use of chemicals.

Studies show that the collateral damage from air pollution and ground-level ozone includes increased heart disease, diabetes, obesity, and dementia. Even aggression among animals and humans increases when pollution levels rise. For example, a study of 70,000 U.S. cases showed more people were bitten by dogs on smoggy days. 

American foulbrood is a bacterial disease that has wiped out many broods of honey bees and is apparently catalyzed by pesticides used on crops that bees pollinate. The U.S. Department of Agriculture has approved an oral honeybee vaccine against the disease. But, again, this is an example of collateral damage from the careless use of chemicals to control pests.

Natural pest control avoids collateral damage. For example, vineyard owners near Cape Town, South Africa, use a group of domesticated Indian runner ducks to eat the snails and bugs that infect their vines. In addition to eating the pests, the ducks leave natural fertilizer to nourish the vines.

People use bats to eat insect pests in various places worldwide. Locust swarms are not an issue where bat populations are large. Insecticides can cause the death of songbirds, and as the bird populations decline, insect swarms increase, creating more problems. Even removing fish and frog populations harms pest control, as fish and frogs eat many insects and their larvae. 

God has built pest controls into our planet, but humans often upset the balance. Restoring natural controls is within our reach, but people often believe the careless use of chemicals to control pests is easier and more profitable. Unfortunately, ignoring God’s design leads to health problems linked to the chemicals we dump on our land and into our rivers, lakes, and oceans. 

— John N. Clayton © 2023

References: “What pollution does to you” in the March 25, 2023, issue of Science News, “The list of diseases linked to air pollution is growing” in Science News, September 2017, and Solutions, a publication of the Environmental Defense Fund.

Deciding Who is Human and Who Isn’t

Deciding Who is Human and Who Isn’t - Cleaner Wrasses
Blue Streak Cleaner Wrasses working on a Lunar-tailed Bigeye

The Bible tells us that humans are created in the image of God, giving us a spiritual nature – a soul. That means all races and sexes of humans are equal. Galatians 3:28 says it well, “you are all one in Christ Jesus.” While that is speaking of Christians, it applies to all humans since anyone can become a Christian. Those who reject belief in God have a harder time deciding who is human and who isn’t.

In the past, people justified slavery based on the claim that certain racial groups were not human and thus could be exploited by those deemed human. People today use the same illogic to justify abortion.

People use various criteria for deciding who is human and who isn’t. For example, when I was a young college student in the 1950s, we were told that the ability to make and use tools was the deciding factor. That teaching was nullified when researchers found that many animals make and use tools. For example, researchers have seen macaques in Phang Nga Bay in Thailand crack nuts with stones and discard sharp flakes, similar to early human tools.

More recently, anthropologists have suggested that the ability to recognize yourself in a mirror is evidence of self-awareness and is a cognitive ability unique to humans. One reason for this interpretation is that chimps and orangutans show they recognize themselves when they look in a mirror. That led to the conclusion that chimps, orangutans, and humans are all one family. However, a recent study of bluestreak cleaner wrasses by cognitive scientists at Osaka Metropolitan University in Japan has shown that these inch-long fish can recognize themselves in a mirror.

When researchers put a parasite-like mark on cleaner wrasses’ throats and allowed the fish to see their reflection in a mirror, they rubbed themselves on rocks to remove the mark. The wrasse could also pick its picture out of four photos that included three other wrasses. It’s essential to point out that self-awareness allows the physical survival of these fish because the wrasses eat parasites off the bodies of other fish. Knowing which fish will seek their help and which will eat them involves recognizing faces. This private awareness is a survival feature God has given them and doesn’t translate to emotions, thoughts, or language.

Humans are unique because of our spiritual nature, created in God’s image. Therefore, other criteria for deciding who is human and who isn’t are doomed to failure.

— John N. Clayton © 2023

Reference: Scientific American, June 2023, pages 16 and 19.

How Humans Avoided Being Eaten by Carnivores

How Humans Avoided Being Eaten by Carnivores

Have you ever considered how humans avoided being eaten by carnivores in ancient times since we are essentially defenseless? We aren’t stronger than large carnivores, have no teeth or claws for defense, can’t run very fast, and do not have camouflage. So if you believe in survival of the fittest, it is pretty obvious humans should not have survived. 

The research done by scientists reveals some incredible planning that allows us to exist. Consider these facts:

1) Human color vision is unique from that of other animals. For example, carnivores have dichromatic vision with two color cones, while humans have three. Hunters can wear red and not spook their prey because the prey does not have red cones.

2) Human vision has better angular resolution than other animals allowing greater spatial processing. We can tell where an animal is long before it can see us. When you walk your dog, you can see another dog long before your dog does, and you know how far away it is.

3) Humans have group behavior and group communication. Our speech lets a group know what the carnivore is and where it is. Our brains have sound and behavior connected. Carnivores have blind-deaf disembodied brains, meaning that sight and sound are not connected in a carnivore’s brain. Seeing a human or hearing one does not tell the carnivore whether the human is a useful food source. In addition, a carnivore would have to fight a group of humans prepared for its attack, requiring more energy to track down than the energy it would get from eating one of us.

Studies by biologists have shown that if zebras and antelopes had the same visual and sound connections to their brains as humans, lions would starve to death. So God’s design is how humans avoided being eaten by carnivores that are stronger than us. These features, and our intelligence, allowed us to survive. 

After the flood, God told Noah, “And the fear of you and the dread of you shall be upon every beast of the earth, on every bird of the air, on all that move on the earth, and on all the fish of the sea. They are given into your hand” (Genesis 9:2). So that is how humans avoided being eaten by carnivores. God designed the life system, including the animals that physically could use man as a food source, in a way that humans could exist. We are unique in our spiritual makeup in God’s image and in our physical bodies designed for survival. 

— John N. Clayton © 2023

Reference: “Comparative study of fibrillar collagen arrangement in the corneas of primates and other mammals” in Advances in Integrative Anatomy and Evolutionary Biology, 290(12), 1542 – 1550. 

Design in the Insect World

Design in the Insect World - Painted Lady Butterflies
Painted Lady Butterfly

We can find some of the most incredible demonstrations of design in the insect world. Survival in places where very cold winters exist presents a challenge for Insects. Some can bury deep underground, but that is not always practical. Another method of avoiding being wiped out by freezing temperatures is migrating to warmer areas for the winter.

The painted lady butterfly (Vanessa cardui) is one of the most common butterfly species in the world. Researchers knew that painted ladies in Europe fly over 9,000 miles (15,000 km) across the Sahara desert to winter in Africa. But, until recently, they didn’t know precisely where these butterflies go. Now scientists have learned that they live and breed in the savannahs and highlands of central Africa.

Painted lady butterflies from Europe spend their time in semiarid savannas from September to November. When those areas become too dry, they head further south to the savannas and highlands across central Africa for December to February. They avoid tropical rainforests because they are too humid for these insects. Like monarch butterflies, they go through multiple generations before the adults journey back to Europe in the spring.

The researchers who studied this incredible migration have learned where the painted lady butterflies go. However, questions remain unanswered. For example, who told these butterflies to make this long journey, and how do succeeding generations know to make the same trip? Most of us in North America are familiar with monarch butterflies and their impressive migration to Mexico. Still, the migration of painted lady butterflies is the longest journey of any butterfly.

God’s design for the survival of all creatures speaks of His wisdom and planning. When we see the design in the insect world, we appreciate the wisdom and power of God, who has entrusted us with protecting all of His creation.

— John N. Clayton © 2023

References: “The last leg of the longest butterfly migration has now been identified” in Science News for May 6/20, 2023, and a research report in Proceedings of the National Academy of Sciences.

Relativity, Quantum Mechanics, and Complex Electron Orbitals

Relativity, Quantum Mechanics, and Complex Electron Orbitals

Yesterday, we said that the simple atomic model shown in older chemistry textbooks leaves many mysteries unanswered. During my 50 years of teaching chemistry, students sometimes asked questions that could not be explained by electrons in circular orbits. In recent years, spectral analysis has shown that electrons travel in various orbital patterns that may be dumbbell or clover-leaf shaped. In addition, quantum mechanics has shown that electrons can act like waves rather than particles. Relativity, quantum mechanics, and complex electron orbitals explain some of the mysteries of chemistry.

For example, oxygen has a first shell with two s-type electrons traveling in circular orbits and four more in dumbbell-shaped p orbits. That second shell can hold six electrons, leaving openings for two more orbitals 90 degrees apart. If a hydrogen atom with one electron comes nearby, it will bond with the oxygen, each of them sharing an electron. If two hydrogens bond with the oxygen atom, you have a perfect, stable combination – a water molecule

In the water molecule, the hydrogen atoms repel each other, creating a 180-degree angle between them and giving the water an electrical polarity. The result is that water molecules have a positive and negative end, and as they freeze, they repel each other, expanding their volume. Because of that, ice is less dense and floats on top of the water instead of sinking to the bottom. If bodies of water froze from the bottom up, life on Earth would be impossible.

What makes this picture even more interesting is that electrons can orbit at a speed that is 60% of the speed of light or faster. At that speed, their mass increases, and their orbit contracts in conformity with Einstein’s relativity equations. Relativity, quantum mechanics, and complex electron orbitals combine to explain the mysteries of chemistry. For example, the relativity contraction makes it harder for mercury atoms to interact strongly with each other. As a result, mercury is a liquid, while other metals are solids at room temperature. 

Relativity and quantum mechanics also explain the difference in color between gold and silver. Relativistic effects in the electron orbitals cause silver to reflect all wavelengths of visible light equally. Because of that, it has no particular color. On the other hand, gold’s electron orbitals cause it to absorb blue light, making the reflected light appear yellow. 

Relativity, quantum mechanics, and complex electron orbitals are opening new understandings in chemistry, allowing new techniques to aid in improving life for all humans. For example, doctors use radioactive technetium and rhenium as tracer molecules in medical imaging because of the effects of relativity. Understanding relativity and electron orbitals explains the formation of lead dioxide, which is essential for lead-acid auto batteries. Relativity in electron orbitals even plays a role in “glow-in-the-dark” items such as signs, stickers, and T-shirts.

The complexity of atoms is a testimony to the intelligence and engineering of the Creator. We are continually reminded that we can know there is a God through the things He has made. The challenges and the future of relativistic chemistry are a great testimony to that. 

— John N. Clayton © 2023

Reference: “Relativity and the World of Molecules” by Abhik Ghosh and Kenneth Ruud in American Scientist magazine for May/June 2023 

The Simple Atomic Model and Unanswered Questions

The Simple Atomic Model Leaves Unanswered Questions
This simple atomic model is not accurate

Our understanding of the design of the atom changed radically in the 50 years that I taught chemistry in public school. When I started teaching, scientists thought atoms were made up of a nucleus surrounded by electrons in circular orbits. This simple atomic model was easy to understand, and we had drawings and even plastic models to show it. However, the simple atomic model leaves unanswered questions. 

The simple model did not explain the properties of certain atoms. For example, why is mercury a liquid at room temperature while other metals, such as gold, platinum, and lead, are solids, even though they have very similar structures? Why are gold and silver different colors? Why does water expand when it gets colder when all other materials contract? 

As an old chemistry teacher, my students frequently asked questions I could not answer. Improvements in spectral analysis made the simple atomic model more complicated while answering some questions. For example, scientists could see that not all electrons travel in circular orbits. Also, electrons are not solid balls or even particles. Instead, electrons can be waves and have orbital paths that are spherical or shaped like dumbbells, clover leaves, or a mixture of those two. 

Different orbital shapes cause different spectral patterns. As a result, scientists have coined the names “s” for sharp spectral lines, “p” for principle lines, “d” for diffuse lines, or “f” for fundamental lines. Moving out from the nucleus of an atom, the number of electrons increases, and their paths become more complex. 

The more we learn, the more we see the wisdom built into the design of every atom in the universe. The precision of design makes it possible for life to exist. Minor changes would mean that we would not be here. However, the simple atomic model leaves unanswered questions and can’t begin to show the extent of God’s design wisdom. Applying what we know about relativity, quantum mechanics, and electron orbits answers some of the chemistry students’ difficult questions. We will have more on that tomorrow.

— John N. Clayton © 2023

Reference: “Relativity and the World of Molecules” by Abhik Ghosh and Kenneth Ruud in American Scientist magazine for May/June 2023 

Owls Are Essential in God’s System of Life

Owls Are Essential in God’s System of Life

Owls are some of the world’s most interesting creatures. There are some 250 owl species living on every continent except Antarctica. People have associated owls with wisdom, mythical guidance, protection, and even death. The truth is that owls are essential in God’s system of life. Here are four interesting facts about owls:

#1. OWLS CAN TURN THEIR HEADS 270 DEGREES. Johns Hopkins researchers discovered that owls have a reservoir under their jaw to prevent the blood supply to their brains from being cut off when they rotate their heads. They also have extra neck vertebrae allowing them to turn their heads to that extreme angle.

#2. OWLS CANNOT MOVE THEIR EYES. Owl eyes make up 5% of the animal’s body weight, while human eyes make up .0003% of our body weight. Their huge eyes have pupils that can dilate extra wide and a reflective layer at the back of their eyes to give them exceptional night vision. In addition, their eyes are designed to provide them with binocular vision, giving them excellent depth perception and the ability to judge distances.

#3. OWLS HAVE HEARING THAT ALLOWS TRIANGULATION. Some owls have asymmetrically arranged ears, with one slightly higher than the other. That allows them to judge the direction of sound vertically as well as left to right. For example, sound from a rodent will reach one ear sooner than the other, and the owl uses this difference to triangulate the distance to the source of the sound, even if under snow or leaf piles.

#4. OWLS HAVE SOUND BAFFLES ON THEIR WINGS. The feathers on the leading edges of their wings have comblike structures that dampen air turbulence and eliminate the “whooshing” noise in flight. They also have finer feathers on the top and trailing edges of their wings to break up the sound. These features allow almost silent flight when hunting prey. Engineers have copied this design to build quieter aircraft and drones.

Owls are essential in God’s system of life to control rodent populations. Most of us are unaware of the great service they provide because they carry out most of their activity at night. Owls are an excellent example of the specialized design God built into the creation to make planet Earth suitable for human habitation. No other land animal demonstrates all of these unique characteristics making chance evolutionary theories difficult to support. Indeed “we can know there is a God through the things He has made” (Romans 1:20).

— John N. Clayton © 2023

Understanding Animal Communication

Understanding Animal Communication Bat and Hone Bee

We all remember the movie about a man who could uniquely talk to animals. Reports tell us that portable sensors and artificial intelligence may make a form of human-animal communication possible. Unlike that movie and the work of Penny Patterson using sign language to communicate with Koko the gorilla, the research goal is understanding animal communication instead of expecting them to use human language. Researchers use digital bioacoustics to record the animals and artificial intelligence to interpret what they say.

So far, scientists have studied the communication of bats and bees. Using tiny digital bioacoustic recorders, researchers at Tel Aviv University have gathered bat communication at frequencies above the limit of human hearing, over 20,000 hertz. Computers lower the frequency and slow it down to make it audible to humans, and artificial intelligence compiles the data to make it intelligible. Gerry Carter at Ohio State University has determined that bats have individual names, or “signature calls.” They argue over food, and mother bats communicate with their babies.

Understanding animal communication can involve more than sounds. Dr. Tim Landgraf at Freie Universitat in Berlin has deciphered bee communication, which involves both sounds and body movement. He has decoded the signals which tell other bees where to find nectar or warn of danger. Landgraf even built a robot name RoboBee that can enter a hive and control what the bees do. For example, when he put nectar in a place where no honeybee had visited and then told the bees where the nectar was, they went there.

Helping animals avoid pollution and directing them to safe food sources are potential applications of this technology. It is essential to understand the big difference between communication and language. These examples and future research with animals involve communication. Language is far more than communication and deals with culture, morals, and symbolism. As this field of understanding grows, its uses will also increase, and ethical concerns will become apparent.

One has to wonder how Adam and Eve communicated in the garden. They certainly did not speak English. Bat communication is obviously different from bee communication. Understanding animal communication is challenging since every animal is different, but that shows another level of design that science is just now beginning to understand. The more we learn about the creation, the more we have to be amazed at the wisdom of the Creator.

— John N. Clayton © 2023

Reference: “How Scientists are Using AI to Talk to Animals” in Scientific American for May 2023, pages 26-27.

Geological History Lessons

Geological History Lessons of Northern Michigan in Petoskey Stone
Petoskey Stone

One of my favorite places on Earth is northern Michigan. As a child, I spent many summers on Lake Michigammi in the upper peninsula and grew to love the land of birches and pines. We can learn from the geological history lessons of northern Michigan.

Returning to this area over 70 years later has been a shock. When I was a kid, the people made a living harvesting and using the trees to make wood for construction purposes and to make paper. That industry still exists, but tourism and the construction of elaborate homes have replaced the trees as the basis of the northern Michigan economy. People have been buying large plots of land, building huge houses, and calling their property a “forest preserve.” Unfortunately, this practice includes the shoreline of Lake Michigan, Lake Huron, and the many inland lakes, limiting the general public’s access to this water wonderland.

Michigan’s state rock is the Petoskey stone, a beautiful coral often used to make attractive jewelry. The interesting thing about the Petoskey stone is that it is a tropical coral that only grows in warm water. Obviously, there has been a change in the climate because Michigan is not a tropical paradise. In our time of concern about climate change, we find the geological history lessons of northern Michigan indicating that Earth’s climate has changed in the past.

Another lesson from northern Michigan is the action of ice over time. Everywhere you look, you see huge rocks weighing many tons that could not have been placed by running water. These rocks come from many places and are all different. As a public school earth science teacher in South Bend, Indiana, I would take my students to the local gravel pit to hunt for unusual rocks. One student found a jasper conglomerate from Bruce Mines in Ontario. It had glacial groves and was hundreds of miles from its origin. We also found pieces of raw copper from outcrops in northern Michigan. One student found a diamond from an unknown Klondike area somewhere to the north. The geological history lessons we learn from the enormous rocks, the sand, and the many lakes is that, at one time, glaciers covered the area.

So how much time did these climate changes take? Knowing the geological history has been essential for oil drilling, coal and copper mining, and agriculture in Michigan. These things were part of how God prepared planet Earth for human habitation. Some religious people have tried to explain these things by Noah’s flood, but most ignore any attempt to explain the method and just say, “God did it.” That avoids the question of how and when.

Genesis 1:1 is undated and untimed, and the Genesis account uses the Hebrew words “bara,” meaning to create, and “asah,” meaning to make. Creating from nothing (bara) is used in verse 1, where it applies to space, time, and matter/energy. It is used again in verse 21 for the creation of the first life and in verse 27 for the creation of the first humans. Making (asah) refers to taking what was created and changing it. It is used in verses 7, 16, and 25. Chapter 2 verse 3 summarizes what God had done by using both bara and asah.

The geological history lessons of northern Michigan show us God taking what He had created and molding the Earth to prepare it for human habitation. As we understand more of what God has done, it becomes evident that all we see around us is the work of an intelligent Creator who cares about His creation and the humans He created in His image.

— John N. Clayton © 2023

Let There Be Light

Let There Be Light - X-rays from the Whirlpool Galaxy



The Whirlpool Galaxy M51 and companion M51B. The green glow at the center of each is X-ray radiation from black holes.

The third verse of the first book in the Bible quotes God, saying, “Let there be light.” Most people don’t understand the full meaning and impact of that statement. For the past two days, we have examined how the ability to see invisible light revolutionized astronomy. First, we looked at the forms of light at frequencies below the visible spectrum. Today, let’s look at frequencies above the light we can see.

Higher frequencies mean shorter wavelengths, and electromagnetic energy above the frequency of visible light has wavelengths short enough to penetrate living cells and damage them.

Ultraviolet is the first band of light above the visible spectrum. The Hubble Space Telescope is the leader in observing ultraviolet light coming from the hot and energetic formation of young stars. Auroras on gaseous planets like Jupiter also emit ultraviolet light. The ability to see the invisible UV light helps us understand more of the process God used in creation.

Our Sun is also a source of ultraviolet light, and everyone knows UV light can cause painful sunburns. Because of its short wavelength, UV light can penetrate and damage cells resulting in skin cancer. God has given Earth an upper atmosphere ozone layer that absorbs much of the ultraviolet radiation. While protecting us from health damage, the atmosphere makes ultraviolet astronomy impossible on Earth. That’s why the Hubble Space Telescope leads in UV observation of the universe.

Above ultraviolet light, we find X-rays that are even more harmful to living cells. This band of invisible light energy can penetrate matter. Because of that, they are useful in medicine for doctors to see inside your body. However, medical X-rays must be limited because they can cause DNA mutations leading to cancer.

In astronomy, X-rays allow astronomers to study some of the hottest places in the universe, such as supermassive black holes and neutron stars. Thankfully, God has placed us far from black holes and neutron stars. However, our Sun also produces X-rays, but Earth’s atmosphere blocks X-rays. Therefore, X-ray telescopes, such as NASA’s NuSTAR mission, must be located in space.

Finally, let there be light at the top of the invisible spectrum. Astronomers use the shortest wavelength, gamma rays, to study the creation. Unfortunately, gamma rays have the highest energy and are the most dangerous to living cells. Supernova explosions release gamma rays, and space telescopes such as NASA’s Fermi and Swift can detect them. Fortunately, those gamma-ray-producing events are far from Earth. However, nuclear explosions on Earth also produce gamma rays, and the Sun occasionally produces gamma-ray flashes in solar flares.

By studying all of these forms of light, astronomers today know much more about the universe and the processes God has used to create and sustain it. As we look into the night sky, we are looking back in time and seeing the various frequencies of electromagnetic energy. It is light, both visible and invisible, and it tells us of the power and wisdom of the process that brought our planet and the life upon it into existence. Light is energy, and energy is matter (e=mc2). Knowing that, we realize what a profound statement Genesis 1:3 contains – “Let there be light.”

— Roland Earnst © 2023

For more information on this picture, click HERE.