Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from supernaturally strong monsters - capable of sinking their claws even into solid stone.Then scientists came here in the 1960s and dispelled children's...

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...