Flipping Magnetic Fields
North and south. We take these directions for granted. Pull out a compass and the needle will swing to the north in response to the magnetism in the Earth's crust. The magnetic poles roughly coincide with the axis of the Earth's rotation. But some scientists…
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Mathematics
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Calculating the volume of a cylinder is even easier than calculating its area. All you have to do is recognize…
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Ozone is a big buzz word these days. We mostly hear about the ozone layer, and the importance of protecting…
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Beluga Whales
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