As the death toll of the Ebola outbreak continues to rise, Tuesday's Google Doodle celebrated the 100th birthday of the man who helped put an end to the post-World War II polio epidemic with the first-ever inactive vaccine for the disease.
The...
As the death toll of the Ebola outbreak continues to rise, Tuesday's Google Doodle celebrated the 100th birthday of the man who helped put an end to the post-World War II polio epidemic with the first-ever inactive vaccine for the disease.
The...