http://www.youtube.com/watch?v=H6NkM61HlB8

Today would be the 100th. birthday of Dr. Jonas Salk, the medical researcher and the virologist that came up with the polio vaccine, saving thousands of lives. He didn´t even patent it, which is quite amazing…(article)

Danas bi bio 100.i rodjendan Dr. Jonasa Salka, medicinskog naucnika i virologista koji je izumio polio vakcinu i sa tim je spasio hiljade zivota. A nije ni patentirao ovo djelo, sto je danas prosto ne shvatljivo… (clanak)