School’s in session. Let’s talk about math. Go back to your calculus class senior year in high school. You take the derivative of y with respect to x. You are finding the sensitivity to the change in ...

The job of the analyst and leader is to worry about the things that most others don't worry about. The worries that most are concerned about won't happen as imagined, but others will. As is often the ...

In a paper with a similar title (see Ecology: 606-613), John Clark argues for the use of second-order differential equations in population modeling. To refute his arguments, this paper (1) ...