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Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Radius
Radius: In anatomy, the radius is the smaller of the the two bones on the thumb's side of the forearm. (The bigger one is the ulna). The word radius comes unchanged from the Latin meaning a spoke in a wheel which this bone was thought to resemble. The word radiation is derived from the same Latin word, radius.