Will This Weed Really ‘Save Humanity’?

Here’s my nominee for quote of the day, from a (gated) front page article in today’s Wall Street Journal: “This plant will save humanity, I tell you.” The person who said that is O.P. Singh, a horticulturist for the railway ministry of India. What plant is he talking about? A shrubby weed called jatropha, whose […]

Starting Over

I have a favorite thought exercise, especially when thinking about the sort of complex, dynamic systems that are interesting but difficult to write about: the health-care system, e.g., or education, politics, energy consumption, finance, cancer research, etc. One natural way to approach such systems is to take note of what inputs and outputs already exist […]