The achievement reported in PNAS is the culmination of a research effort lasting a quarter of a century and involving hundreds of students and millions of dollars.

We're certainly delighted to be able to add this important series to our research collection ...

There's a lot of research to suggest that achievement is tied to one's own socioeconomic status. On average a low-income child is not going to do as well on average as a middle-class child. If I am a middle-class child doing well and I'm attending a high-poverty school, I'm going to do less well on average.

Past research has shown that when you are open about your stuttering to your employer, you are far more comfortable in your workplace. If you hide your stuttering, you not only put yourself under tremendous pressure, but also limit your effectiveness on the job.

It is a key component of the international effort to co-operate in research rather than compete,

Our research and development effort is something we kept intact, even during the hard years.