Question
Sha'atnez is a mixture of wool and linen. The Torah forbids wearing any clothing that contains both wool and linen. Why not? What is so special about wool and linen? Please explain this prohibition. Are there other mixtures that also cannot be worn? Thanks.  
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Question
Dear Rabbi, What is the significance of hair? Why does Judaism seem so concerned with it? Women cover their hair, men have peyot (sidelocks), and boys have their first haircut at age three... Thank you
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