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By developing the scale that bears his name, Charles Richter not only invented the concept of magnitude as a measure of earthquake size, he turned ...
Earth has been witness to mammoths and dinosaurs, global ice ages, continents colliding or splitting apart, and comets and asteroids crashing catastrophically to the surface ...
The ultimate A-Z guide revealling everything you need to know to become a metal detecting expert.Nothing is as thrilling as finding cool (and often ...