Share 'Some Qs people asked me on science and my replies to them - part 25'

                                                                       Interactive science series Q: What are moles? Krishna: Moles are growths on the skin that are usually brown or black. Melanin is the natural pigment that gives skin, hair and the irises of the eyes their color. In the skin, melanin is produced in cells called melanocytes located in the two upper layers of the skin. Melanocyte…