Scientists have developed a cancer test that can detect free-floating cancer cells in the blood stream. It is sensitive enough to detect individual cancer cells at a ratio of one to one billion.

This is really incredible stuff people. The yahoo article is basic, but once this gets refined and mass produced it will dramatically effect cancer survival rates in my untrained opinion.

I am getting to the age where I think about such things much more often than I used to and news likes this brightens my day.