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September 11, 2015

How a nap of just 45 minutes can boost your memory five-fold

A power nap of just 45 minutes can boost memory by five times, research has found. A short doze helps you to retain information you have learned and ‘significantly’ improves recall, scientists said – meaning naps really could help students revising for exams. Participants in the study learned 90 single words and 120 unconnected word

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Classwork Exercise and Series (Mathematics-SS3): Surface area and volume of a sphere

Surface Area of a Sphere A sphere is the locus of points in space equidistant from one point called the centre of the sphere. Note: the difference between the sphere and the circle. The sphere is the locus of a point in space, while the circle is the locus of a point in a plane.

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