E. An abbreviation for id est, a Latin phrase meaning “that is.” It indicates that an explanation or paraphrase is about to follow: “Many workers expect to put in a forty-hour week — i.e., to work eight hours a day.”
I think the purpose of moral education is to help make children virtuous—honest, responsible, and compassionate. Another is to make mature students informed and reflective about important and controversial moral issues. Both purposes are embedded in a yet larger project—making sense of life.
Mitochondria converts chemical energy in the food into a form that is usable by the cell.
