My writing is remarkably non-confessional; you actually learn very little about me.

When you go to the grocery store, you find that the cheapest calories are the ones that are going to make you the fattest - the added sugars and fats in processed foods.

Eating's not a bad way to get to know a place.

In addition to contributing to erosion, pollution, food poisoning, and the dead zone, corn requires huge amounts of fossil fuel - it takes a half gallon of fossil fuel to produce a bushel of corn.

It's estimated that about 30 percent of the increase in grain prices could be attributed to the decision to embrace biofuels, particularly corn-based ethanol. It has done nothing for climate change and the business is in real trouble now with the collapse of oil prices. It's completely dependent on a dollar subsidy and tariff from the government.

In general, science journalism concerns itself with what has been published in a handful of peer-reviewed journals - Nature, Cell, The New England Journal of Medicine - which set the agenda.

I think using waste oils as fuel makes sense. We do waste a huge amount of vegetable oil in this country and using that as a fuel source strikes me as fine.