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Missy Franklin and Fluid Dynamics, The Biomechanics of Usain Bolt, The Strength and Flexibility of Oscar Pistorius, and Maximizing the Long Jump of Bryan Clay - The National Science Foundation has teamed up with NBC Olympics and NBC Learn to create a series of cool videos about the Science of the Summer Olympics.
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Millions of people get the blues during winter. It's called seasonal affective disorder, or SAD, and current treatment requires shining a light in the sufferer's face for up to two hours a day. But Finnish start-up Valkee has a better idea: directing light into sufferers' ears.
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