Neither gold nor diamonds, the world's costliest material is a substance known as antimatter that costs an estimated USD 62.5 trillion (Rs 62.5 lakh crore) a gram. A gram of it packs a punch of explosive energy equivalent to four Hiroshima-class nuclear weapons and is...

Available for 33 days400 thousand years ago our early human cousins dropped a lighter in a field in the East of England; evidence that was uncovered this week and suggests that early neanderthals might have made fire 350 thousand years earlier than we previously...