Can Fish Drown?
Fish can drown under certain conditions. It isn’t the water that keeps fish alive, but the oxygen in the water. Fish breathe oxygen, just as we do. The water...
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What Is the Longest River in the World?
What Is the Longest River in the World? The Nile River is the world’s longest river. It flows more than 4,160.08 miles (6,695 kilometers) from its source in...
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Who Was the Inventor of the Water Pump in Mines?
Who Was the Inventor of the Water Pump in Mines? By 1711, Thomas Newcomen completed making his first commercial engine. It could do the work of a team of 500 horses! In...
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How Were Water Clocks Used?
How Were Water Clocks Used? A water clock uses a flow of water to measure time. If viscosity is neglected, the physical principle required to study such clocks is the...
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What Is Homeopathy and How Does It Work?
What Is Homeopathy and How Does It Work? Homeopathy is a natural form of medicine used by over 200 million people worldwide to treat both acute and chronic conditions....
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