By Urmila Devi DasiWe experience life-giving heat in two ways from the sun. One is directly on our skin and the other indirectly through digestion, which releases the sun’s energy transformed into food through photosynthesis. For warm-blooded creatures like us humans, eighty of the food we eat is used to produce internal heat. Yet we forget how this heat outside and inside our bodies sustains us. Heat is, after all, invisible.
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