The Doomsday Calculation: FAQ

I have found that a good way to write a popular science book is to find a topic on which many smart people disagree. That describes my new book coming out June 4. It’s called The Doomsday Calculation: How an Equation that Predicts the Future Is Transforming Everything We Know About Life and the Universe. In this post I’ll describe it by answering some of the questions I’ve gotten in the two-plus years I’ve been conceiving/researching/writing it.

Q. What is the “doomsday calculation”?

A. It’s a...