A new drug has a 90 to 100 percent chance of curing the Hepatitis-C virus, but costs tens of thousands of dollars for a course of treatment. The announcement by the manufacturer that it earned more than $2 billion in…

By PBS News Hour

Since California passed a $3 billion bond measure for stem cell research, recruitment of top scientists has outpaced every other state. The new funding has sparked the building of state-of-the-art facilities and a push for stem cell innovations.