The 2009 John Wesley Powell Memorial Lecture: “What Is Life?”

I’m honored to report that I’ve been asked to deliver this year’s John Wesley Powell Memorial Lecture.

Here is a description of the lecture series from its organizers, the Southwestern and Rocky Mountain Division of the American Association for the Advancement of Science:

The John Wesley Powell Memorial Lectures were inaugurated in 1929 in honor of the distinguished geologist and leader of the first expedition down the Colorado River through the Grand Canyon. Each