Most natural diamonds have ages between 1 billion and 3.5 billion years. Diamond is the only gem with a single element. Do ...

Iron makes up about 5 per cent of the Earth's crust and is the most abundant element in the whole Earth (about 35 per cent). It is the second most abundant metal after aluminium and the fourth most ...

Chemical structure of guanine, showing its double-ring purine structure and the functional groups involved in hydrogen bonding with cytosine. (Image: Public Domain) Guanine has the chemical formula ...

You must have heard about Mahatma Gandhi's Dandi March. Did you know that salt was such an important part in our struggle for freedom? What is salt? Salt, also commonly known as table salt, is a ...