Throughout history, people have wondered if there is another world under the earth. Although some ancient Greeks believed that it existed, their beliefs were more mythological and literal than literal. Modern science however maintains that our planet's layers are made up of a dense, hot core and liquid magnesium. One of the most popular theories from the 17th century was that the planet is hollow and that another world exists below it.
Plate tectonics
The Earth is undergoing an ongoing process of plate tectonics, which is responsible for the formation of mountains, oceans, and even the incandescent volcanic eruptions that we see today. The planetwide conveyor belt that links plates tectonics to the surface will eventually stop rotating at some point in time. This will end the ongoing process of reshaping the Earth.
Habitable zones
The Earth is an example of a planet with a habitable zone under its surface. The solar irradiance, and the planetary luminosity determine the zones' inner and outer limits. The solar constant, at 0.53x the upper limit, is the value. This is equivalent to 1.37 astronomical units.
FAQ
What is your most secretive community?
The answer to that question may shock you. It may even make it uncomfortable, as it challenges our perceptions of reality and our lives. But there is a reason why this place exists. And it is not what you would expect.
The City of God was its name by the ancient Greeks. In the Bible, it was known as the City of Destruction.
In India, it's called Kashi (Kashmir). It's also known as Novgorod in Russia.
Here in America, however, it is called The Village That Disappeared.
A small community of 1200 people in western New York State vanished. With the exception of a road marker pointing to its former site, there were no remains: cars, bodies, houses.
This little community vanished and no trace remains to indicate where or when it disappeared. Some claim the earth swallowed it. Others believe it was destroyed by a meteorite. Some claim that it was destroyed by a meteorite strike. Others still believe it was stolen away by aliens.
The residents of this once prosperous community believe that whatever happened, their town is not gone forever. They had just relocated to another town.
A website is available to track the disappearance and recovery of Zugspitz, which was lost in the Great Depression.
So where is this town? It's in Switzerland.
Zugspitze lies on the border between Austria and Germany. Just beyond the summit of the mountain is a huge lake called Lake Zugspitze.
It has always fascinated me that so many towns have disappeared, yet some still remain. Why does some vanish while others remain? I decided to investigate.
I wanted more information about the mysterious disappearing of towns. What causes a community to disappear? How can one place become extinct?
There are several theories behind the disappearing of towns. One theory is that a city disappears after all buildings have been demolished. Another theory states that the town simply moves to another location. The third theory is that the town was never actually there.
Although theories may be a bit speculative, it is a fact that numerous towns have been destroyed by the elements. This video examines both the history and current status.
Here are 5 fascinating facts about the liver
The liver is responsible both for breaking down toxins as well as storing vitamins, minerals. It also regulates blood pressure, and maintains our body's temperature.
We hear it all the time: "I feel sluggish today" or "my head feels heavy". These symptoms could be signs of liver problems.
You may notice symptoms such as dark urine, yellowing skin and fatigue. But these aren't the only warning signs. If you feel any of these warning signs, consult your doctor immediately.
The liver is a vital organ. It is essential for detoxification and metabolism as well as reproduction.
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The average adult liver weights about 1,400g.
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The liver of a baby is roughly half the size that of an adult at birth. It can grow to four times the size of an infant's liver by the age 3.
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The liver is located below the ribs on the left-hand side of your abdomen.
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There are 16 major lobes of the liver. But there are also many smaller ones.
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There are approximately 10,000,000 red blood cells in the liver.
How does your brain control your body's functions?
To ensure that they work together, messages are sent by the brain to other organs. Your brain controls all that happens in your body. It tells you your stomach to digest food; your lungs to inhale air; and it tells you your arms and legs how to move.
Your brain is made of billions, or neurons, of nerve cells. Action potentials on Axons are an electrical signal that neurons send to each other. Each neuron has a cell membrane surrounding its nucleus. Channels within the membrane allow ions such potassium and sodium to enter and leave the cells. The neuron is lit by an electric charge created by the movement of ions.
Neurotransmitters are chemicals released when a neuron fires. Neurotransmitters attach to the receptors of the second neuron and open ions channels for ions to pass in and out. The second neuron also fires.
Neurotransmitter releases occur when a presynaptic neurons receives an input from another neuron. The impulse travels along the synapse connecting the two neurons. The transmitter binds to receptors on the postsynaptic neuron, triggering the firing of the postsynaptic neuron.
For communication within the nervous systems, neurotransmitters are essential. They also coordinate activity between different brain parts.
Is there a more mysterious place than the Earth itself?
Antarctica is home to the most mysterious and remote place on Earth.
Why do we find this place so intriguing? Because it is unlike any other spot on Earth.
It is very remote and isolated. It is not what you see.
You will also find some of the oddest wildlife species in this natural wonder.
Let's see how this incredible destination became famous for its mystery.
Antarctica, The South Pole
No one knows exactly why Antarctica was named Antarctica. Some say it means "land on ice." Some believe it means "land of ice". Others believe it is Greek mythology.
Antarktis is the name Antarktis was given to an island in ancient Greece by Zeus' twin brothers. One of the twins was said to have been born in winter. Hence, the word antarctic.
Others think the name came from the Greek words anti, meaning against, and tropos meaning turn. This would mean land turned away from the sun.
Whatever the reason, Antarctica has always held a special fascination for people.
It is the driest, windiest of all continents. There are no trees, plants, or animals here because it is too cold.
Yet, the frozen desert is alive with life.
Here, 90 percent live of all species of living things. There are about 50% of the world's animal, plant and plant species.
What makes Antarctica so special? Here, water freezes into ice instead of evaporating into the air.
This causes large amounts of ice to float above ground.
These floating glaciers cover 80% of the continent. They continue to grow in size each year.
The Antarctic ice has grown 60 feet so far since 1960.
The sea level could rise to 200 feet if the melting continues. This could lead to widespread flooding.
However, not all scientists believe this to be bad news. Some scientists claim that global warming could be good for us. They say that as temperatures rise, the ice sheets might melt faster, causing floods that flush out tons of toxic chemicals from our soil and bodies.
Others warn that this theory sounds like something out of a science-fiction movie.
Statistics
- Your mouth makes a lot of saliva every day It might seem like way too much, but your salivary glands typically produce anywhere from 0.5 and 1.5 liters a day, according to a 2009 study published in the Journal of Medicine and Life. (romper.com)
- The average human adult male heart rate is between 70 and 72 beats per minute, while the average for adult women is between 78 and 82 beats, which is significantly faster, according to 2014 published in the Journal of Clinical and Diagnostic Research. (romper.com)
- A 2012 paper published in the Proceedings of the National Academy of Sciences reported that people blink about 15 to 20 times each minute, meaning, if you do the math, you spend about 10% of the time that you're awake blinking. (romper.com)
- "It is estimated that 75% of people have at least mild gum disease, with the most common symptoms being bleeding when brushing, bad breath, and dark and swollen gums," Dr. Ron Baise, a London-based dentist, tells Romper. (romper.com)
- According to a 2018 study published in Free Radical Biology & Medicine, this is because blood pressure is regulated by our innate circadian rhythm and internal clock. (romper.com)
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Hollywood scandals that stunned the world
Nothing is more shocking than seeing someone famous for wrong reasons. But there's also nothing worse than seeing them fall from grace.
It's amazing to see how the industry responds to their mistakes. We've all heard stories of celebrities who used drugs and alcohol excessively. Some even died young because of it.
But the worst part is when those same stars go public with their problems and are shunned by everyone. Last week, that's exactly where we were.
Heath Ledger lost his long and successful career. After a short battle with death, Heath Ledger succumbed to prescription pills.
His friends and family struggled to accept the loss of his son, while the media blasted him openly.
Heath was once considered to be one of today's most talented actors. Two Academy Awards nominations went to Heath for his performance on Brokeback Mountain.
In addition to acting, Heath also wrote and directed films, including A Knight's Tale, Monster's Ball, and Iron Man 3.
Hollywood loved Heath. But he was too big for his boots. He became addicted to drugs and drank heavily. Eventually, he went to rehab and came out clean.
After he had gotten sober, he decided to make amends. He created a documentary called Room 237, which documented the making of The Shining. It was originally scheduled to release this year, but it won’t be available in theaters until next.
Heath attempted to get into Hollywood every time. He was actually arrested twice for drug charges.
We're not saying Heath should have been allowed back into show business. It would have been nice for him to have received some assistance before things spiraled outof control.
We hope Heath’s tale will be a wakeup call to anyone who may believe that they can still have all.