Marconi and the Radio.

Guglielmo Marconi inside the station at St. John's, Newfoundland, Canada, after receiving the first transatlantic wireless signal. Guglielmo Marconi, an Italian inventor, proved the feasibility of radio communication. He sent and received his first radio signal in Italy in 1895. By 1899 he flashed the first wireless signal across the English Channel and two years later received the letter "S", telegraphed from England to Newfoundland. This was the first successful transatlantic radiotelegraph message in 1902.

Nobel Prize in Medicine 1984

Niels K. Jerne

Georges J.F. Köhler

César Milstein

The Nobel Prize in Physiology or Medicine 1984 was awarded jointly to Niels K. Jerne, Georges J.F. Köhler and César Milstein "for theories concerning the specificity in development and control of the immune system and the discovery of the principle for production of monoclonal antibodies".

10 Amazing facts about Animals and Insects.