Electromagnetic force has an infinite range of interaction. It is considerably stronger than the gravitational and weak forces. The photon is the key particle of exchange for electromagnetic force. The Strong Nuclear Force The strong nuclear force operates over a very short range, but it is the strongest of the forces.
Thomas Holmes and Richard Rahe are 2 now famous psychiatrists who, in 1967, put forward the idea that there may be a link to stress and physical illness.
Arthur Conan Doyle decided to kill off his character Sherlock Holmes once upon a time. So he created a nemesis for Holmes, Professor Moriarty. The two battle each other for months, Holmes deducing Moriarty's plans and identifying his cronies and busting them one by one.