The Chinese invented and perfected 'Indian Ink' for use in writing, including scrolls. At first made for blacking the surfaces of elevated stone-carved hieroglyphics, the ink was a combination of soot from pine smoke and lamp oil combined Using the gelatin of donkey pores and skin and musk.

Some industry experts believe that Individuals who have darker skin are more prone to vitamin D deficiency than individuals with lighter skin. It is because surplus melanin absorbs the UV rays to blame for vitamin D synthesis. You'll find reports that help this claim, but additional investig

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