- Jim Loy: Converse, Inverse, Contrapositive
I never know when to use "converse" versus "interverse." (And I'm not smart enough—and possibly not pretentious enough—to ever use "contrapositive.") Turns out it's pretty straightforward.
- Philip Greenspun’s Weblog: How did the New York Times manage to spend $40 million on its pay wall?
Forty million dollars? That's just stupid. I really cannot envision what $39.5M of that was spent on.
- National Sustainable Agriculture Information Service: Master Publication List
Hundreds of free publications, available online, about sustainable, small-scale farming, written and edited by experts.