What is common between Stephen Hawking, Albert Einstein and Pi Day?
(World News Science)

Stephen Hawking pictured during one of his speeches.Reuters March 14 is widely observed as Pi Day around the world, but there is much more significance to the date. Alongside the birthday of Nobel Prize winner and influential physicist Albert Einstein, the world of science will also remember the day when Stephen Hawking died. This leaves March 14 with three main events - a celebration of a never-ending number (Pi Day), Albert Einstein`s birthday and passing away of renowned physicist Stephen...