As humans migrated to different parts of the world, over many millennia they developed certain characteristics to adapt themselves to their environment. Depending upon their exposure to sunlight and may be other factors their skin color changed. So Indians acquired the right kind of brown color depending upon environmental factors here. And we come in […]

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Face one would agree is the most identifiable part of our body .Ever wondered why this is so? Because as humans developed erect posture face to face became the most important part in social recognition. There are some interesting aspects to this. Some of which I would like to enumerate. For frogs probably croaking sound […]

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