The cloned cells would be genetically identical to the patient's own, so they could replace part of an ailing brain or heart without touching off a full-scale attack from the patient's immune system.
For those who believe excessive risk-taking on Wall Street was at the heart of the global financial crisis, sweeping reform on a scale not seen in 80 years was the necessary remedy to insure that a similar financial meltdown does not occur any time soon.
At the heart of almost all of these issues is the problem of scale: of finding ways to make high-quality educational resources--whether it's brilliant teachers, innovative lesson plans or inspiring new teaching methods--reach not just a handful of students in a single classroom but hundreds of millions of students around the globe.