**NM signifies a non meaningful value. A dash signifies the data is not available.

How Google forced the hard drive industry to embrace failure ...

One inherent characteristic of youth is curiosity. For example, when little kids ask their parents, “Why is the sky blue?” they are curious about the world and seek a simple, satisfying answer.

The next era of public education will be judged less by the elegance of its ideas than by whether it responds, with humility and pragmatism, to the people it exists to serve.