Darwin showed in detail how life changes over the course of time by the processof natural selection, but failed to explain how those changes can take different courses, dividing a species in two and thus multiplying the number of species.
The person in this role leads the process and is responsible for obtaining and evaluating the relevant facts and proposing alternative coursesof action.
Skillshare helps amateur teachers find classroom space, register students and collect payment for in-person courses, taking a 15% cut of student fees in the process.
It is striking that participants do not view literacy classes or training courses as a set of mechanical skills or information that must be learned, but rather as a processof empowerment made possible by the exchange between participants, and between the self and the written word.