Throughout the ages, cities have been built underground. They are typically dug underground for protection, but they may also be created as a place for living or working. The concept of underground cities is thought to go back to Ancient Era Europe and the Middle East. They might have been built for protection, mausolea or storage. They may also be used as transportation in colder climates.
An underground city is a network made up of subterranean areas that are connected via skyways or tunnels. They may be used for transport, as well as access to stores and restaurants. They could also be used for storage and defense against natural catastrophes. Some underground cities are open for the public, while some have restricted passageways.
Washington D.C. is perhaps the most famous underground city in the United States. The extensive subway system gives you access to many restaurants and shops. It also serves as a transportation hub connecting many subway stations. The underground system is connected to many government buildings, as well as many office buildings. It houses hundreds of stores and restaurants. It is one of America's most famous underground cities.
Houston, Texas also has an underground city. This underground city connects to many key stations that have both street-level and mezzanine level shopping malls. It has many restaurants, hotels, and shopping centers. It has many underground stations and a large number of underground tunnels.
The underground network at Carleton University is a five-kilometer network of tunnels that connects dormitories, major buildings, and other campus buildings. After the Confederation Line is complete, this network will be expanded. Additionally, the University of Rochester maintains a network of underground passageways that connect dormitories to academic buildings as well as other campus buildings.
SubTropolis Kansas City, Missouri is a 55,000,000-square foot underground business complex. It is home to many businesses, services-based businesses, and the United States Postal Service. SubTropolis also houses thousands of workers, and it is believed to contain important documents. It maintains a constant temperature of 68 degrees throughout the year and is protected by heavy geothermal heat. The original area belonged to the Bethany Falls limestonemine. Later, the area was used underground for storage.
New York City hosts many underground cities. Rockefeller Center in particular has an underground concourse that connects numerous buildings. It is connected to Brookfield Place as well as the Fulton Center. It can also be connected to numerous subway stations, including the Port Authority Bus Terminal.
Montreal, Quebec also boasts an underground city. It is located on twelve kilometers of the city's sentro. It is a sheltered complex which features a main stage with local art. It is also home to the Montreal Comedy Festival.
Underground cities can sometimes be called "skyway system" Underground tunnels often connect them to buildings. They may be used to transport goods, store them, or offer a home or place to work.
FAQ
What is the most secretive town in the world?
This question might surprise you. It could even make you uncomfortable, because it challenges how reality is perceived and lived. But there is an explanation for why this place exists, and it's not what you would expect.
It was known as the City of God to the ancient Greeks. In the Bible, it was known as the City of Destruction.
It's also known as Kashi (Kashmir) in India. It's also known as Novgorod in Russia.
It is known as The Town That Disappeared in America.
A small community of 1200 people in western New York State vanished. No bodies, cars, houses, nothing was left behind except a road sign pointing to its former location.
The little village vanished, with no trace of its existence. Some believe it was swallowed by the earth. Others say it was destroyed in a meteorite collision. Some believe that it was taken by aliens.
Despite what may have happened, the people who lived in this once-thriving area are confident that their town will not be lost forever. They had just relocated to another town.
You can even track the disappearance of Zugspitz on a dedicated website.
So where is this town? Well, it's in Switzerland!
Zugspitze lies on the border between Austria and Germany. Lake Zugspitze can be found just beyond the summit.
It has always fascinated me that so many towns have disappeared, yet some still remain. Why do some disappear while others survive? I decided to investigate.
I wanted to learn more about mysteriously disappearing towns. Is it possible for a place to vanish? How can one place vanish from existence?
There are many theories regarding the phenomenon of towns disappearing. One theory says that a town disappears when all the buildings are demolished. Another theory says that the town just moves. A third theory claims that the town never existed at all.
The fact is that hundreds of towns all over the world have been swept away by the ground, despite theories to the contrary. This video looks into the history of those places and investigates their current status.
What is the most surprising fact about your body?
Two eyes, two ears and two nostrils are part of our bodies. We also have four limbs: a mouth, nose, penis, and four limbs. Yes, more than 50 parts to our bodies. But one thing is missing. A heart.
The heart is a pump that circulates blood throughout your body. The blood travels through the veins and arteries, transporting oxygen and nutrients to cells. It also removes carbon dioxide.
Each minute, the heart pumps approximately 5 liters. This is equivalent in daily coffee consumption to an adult who consumes approximately 2 to 3 cups.
Blood flows throughout the heart 24 hours per day, 365 Days a Year. While sleeping, your heart beats close to 100 times per minute.
Color of your skin is a good indicator of whether someone is healthy. Looking closely at the skin's surface, you can see tiny blood vessels called capillaries. These vessels carry blood back to the heart from the large blood vessels beneath the skin. The skin becomes blue-colored or purple when blood flow is restricted.
Red blood cells are missing in people with sickle-cell disease. Their blood becomes extremely sticky and hardened, which can lead to very serious illnesses.
A bandage can be used to stop bleeding if you have cut your own skin. Blood must flow in order for the wound to heal properly. Doctors insert a needle into the injured area through the skin. This allows blood drainage from the injury area.
Doctors may also insert catheters (catheters), in an artery to treat a blood clot. This keeps the patient alive until the clot breaks up naturally.
Which is the most mysterious spot on Earth?
Antarctica is considered the most mysterious area on Earth.
This is why we find it so captivating. Because it is unlike any place on Earth.
It is remote and difficult to reach. There is much more to this place than meets the eyes.
This natural wonder is also home to some of the strangest wildlife species.
Let's find out how this mysterious destination became so famous.
Antarctica: The South Pole
Antarctica is named for no one. Some believe it is "land of the ice". Others believe it comes out of Greek mythology.
In ancient Greece, Antarktis was the name given to the island where Zeus' twin brothers were born. According to some legends, one of these twins was born in winter. Therefore, the name antarctic.
Others believe that the name is a combination of the Greek words anti and tropos which mean against and turn. This would be land turned away form the sun.
No matter the reason, Antarctica is a place that has always fascinated people.
It is the driest, windiest of all continents. There are no trees, plants, or animals here because it is too cold.
And yet, this frozen wasteland is teeming with life.
Here are about 90% of all the living creatures on Earth. It is home to approximately half of all world's animal and plant species.
What is the secret to Antarctica's unique environment? Here, water freezes into ice instead of evaporating into the air.
This results in large masses of ice floating above the ground.
These glaciers cover more than 80% of the continent. They are growing in size every year.
The Antarctic ice sheet has grown 60ft since 1960.
The sea level could rise to 200 feet if the melting continues. This could lead to widespread flooding.
This does not mean that everyone is wrong. Some scientists claim that global warming could be good for us. They believe that global warming will lead to melting ice sheets faster and floods that can flush toxic chemicals out of our soils and bodies.
Others cautioned that this theory sounds too science fiction.
How does your brain control the functions within your body?
The brain communicates with other organs to ensure their cooperation. The brain controls everything that happens in your body. It tells both your stomach and lungs what to do; it also controls your legs and arms.
Your brain is made of billions, or neurons, of nerve cells. Action potentials are electrical signals that neurons send to one another. Each neuron is covered by a cell membrane. There are channels within the membrane that allow ions such a sodium or potassium to enter and exit the cell. The electric charge that causes the neuron's fire is created by ion movement.
Neurotransmitters, which are chemicals that release neurotransmitters when a neuron fires up, can be found in the space between the neurons and the next one. Neurotransmitters are able to bind to receptors in the second neuron. This opens ion channels that allow ions to flow in and out. The second neuron also fires.
Neurotransmitter release occurs when the presynaptic neuron receives an impulse from another neuron. The impulse travels along the synapse connecting the two neurons. The transmitter binds at the receptors of the post-synaptic Neuron and triggers its firing.
They are vital for the communication between nerve cells. They coordinate activity between the different parts of your brain.
Statistics
- "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)
- In one 2014 study published in the Archives of Medical Science that sought to study the prevalence of these mites, research showed that 41% of the people had them hanging out in their eyelashes. (romper.com)
- You spend about 10% of your time awake blinking (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)
- In fact, nearly 24% of U.S. women are affected with one or more pelvic floor disorders, according to research funded by the National Institutes of Health. (romper.com)
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Hollywood Actors and Actresses with PhDs
Many prominent names include Oprah, Bill Gates. Steve Jobs. Bill Gates. Oprah. Winfrey. Michael Jordan. Barack Obama. Nikola Tesla, Charles Darwin. Isaac Newton. Linus Pauling. Richard Feynman. Albert Einstein. Robert Goddard. John Bardeen. James Watson. Francis Crick. Erwin Schrodinger.
Some celebrities, such as actor Tom Hanks and singer Barbra Strreisand, had Ph.D. degrees.
All these stars earned their doctorate from different universities around the world. Many of these celebrities were successful business leaders or entrepreneurs after receiving their PhDs.
Some of the other well-known actors and actresses who have PhDs include:
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Actor David Schwimmer received an MBA at Columbia University Business School. He was also an alumni of NYU's Tisch Schools of the Arts.
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Jennifer Aniston is an actor. She graduated with her Bachelor's degree from Dartmouth College. Harvard University granted her Master of Science in Organizational Behavior, Human Resources Management.
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Julia Roberts was a Yale University Biology student before she received her Masters of Public Administration (Georgetown University) as an actor.
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Actor Edward Norton graduated from Brown University with his Bachelors of Fine Arts. From Stanford University, he received his Doctorate of Molecular Biophysics & Biochemistry.
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Maggie Gyllenhaal is an actor. She graduated from Barnard College, where she received her Bachelor of Arts degree in English Literature. She then received her Master of Social Work from Columbia University.
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Sarah Jessica Parker, actress, received her Bachelor of Arts in Psychology degree from Wellesley College. Columbia University gave her her master's in clinical psychological research.
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Sandra Bullock is an actor. She earned her Bachelor of Arts at the University of California Berkeley. She continued on to UCLA for her Masters of Education.
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Reese Witherspoon, an actress, earned her Bachelor's degree in Political Science at Tulane University. The Fletcher School of Law and Diplomacy, Tufts University, gave her her Master of Foreign Affairs.
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Actress Michelle Williams graduated from Wesleyan University with a Bachelor of Arts degree. After graduating from Wesleyan University, she went on to earn her Master of Arts in Psychology at Boston University.
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Actress Shailene Woodley graduated from Brigham Young University-Hawaii with her Bachelor of Arts. Then, she went to San Francisco State University graduate school to obtain her Master's Degree in Environmental Studies.
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Will Smith is an actor who graduated from Howard University with his bachelor's degree as a Communications major. He then received his Master of Business Administration through the Kellogg Graduate School of Management, Northwestern University.
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Actress Queen Latifah graduated from Michigan State University with a Bachelor of Science in Nursing. She then earned her Master of Public Health from the University of North Carolina at Chapel Hill.
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Amy Adams is an actor who graduated from Juilliard School in New York with a Bachelors of Music degree. From Manhattan School of Music she received her Master of Music.
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Halle Berry, Actress, graduated with her Bachelor of Fine Arts from American Conservatory Theater. Carnegie Mellon University gave her her Master of Fine Arts in acting.
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Brittany Murphy was an actress. She graduated with a Bachelor of Arts (Theatre Arts) from Santa Monica High School. She then got her Masters of Fine Arts in Acting from New York Film Academy.