Earth Science

Sea water can be converted into fresh, drinkable water by removing the salt and other minerals through desalination, which is a process that separates the salt from the water. The separation of salt can be done by four methods, filtering,…
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What is defined as air pressure is the result of molecules of air weighing down on objects in our environment. As each molecule strikes an object, it exerts a small amount of pressure.  These small amounts can add up to be fairly…
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When we look into history we see that the planet has advanced in technology a few times to a disastrous end. Life as we knew it on the planet ended to bring about a new and brighter beginning. We look…
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Magnetic North and True North, what’s the difference?  Why does it matter?  Well, just ask those folks in charge of airports and they will tell you that they are not the same.  Normally, we would not even blink an eye…
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Atmospheric rivers are narrow, high-water-density bands within the atmosphere which transport large amounts of water vapour around the planet. At any given time, there are numerous large atmospheric rivers around the world, stretching thousands of miles in length and as…
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What do you do when the majority of diamonds that you find in your mine are large, clear, and brown? You use the best and most beautiful of them as high quality gemstones, and sell them as champagne and cognac…
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A thunderstorm is some type of turbulent weather formations that may develop lightning and thunder. Thunderstorms are usually accompanied by very strong winds, heavy rain and occasionally hail or snow. A thunderstorm may stem from a single cumulonimbus cloud or…
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Oceanography can be described as an interdisciplinary science, and it emerged as an established academic field only during the last few decades. The discipline entails the study of physical and chemical properties of ocean water and the ocean surface, the…
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“Archaeology Theories, Methods and Practice” (5th edition) by Colin Renfrew and Paul G. Bahn is the basic and indispensable text book for undergraduate archaeology students.  In this new 5th Edition, many new theoretical advances, such as agency and materiality theories, have been added,…
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Eratosthenes of Cyrene was a natural philosopher and poet who is best known for his development of modern cartographical principles. He is best known for correctly calculating the circumference of the Earth and the tilt of its axis, and for making the…
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