What Color are the Atoms?
Atoms are the smallest units of matter which are independent and have a definite address. Atoms of different elements are different in many aspects but size and atomic weight are the main attributes. I...
Tagged: ultraviolet
Chemistry behind Skin Tanning
People in Asia and Africa where plenty of sunshine is available and weather is hot have a auburn or darker skin. This is because of production of a chemical called melanin in the skin...