Students can do experiments and investigate for themselves what's going on in restaurants, in our food system, and begin a process of learning.

The United States now has more prison inmates than full-time farmers.

The history of the twentieth century was dominated by the struggle against totalitarian systems of state power. The twenty-first will no doubt be marked by a struggle to curtail excessive corporate power.

Kids have no idea when they're drinking soda what they're really drinking, and a lot of them are stunned when they learn that drinking a Big Gulp is like taking a big jar of sugar and just pouring it down. There are 50 teaspoons of sugar in a 64-ounce Big Gulp.

During my school visits, I really enjoy the feedback I get from them much more than anything I might tell say to them.

I'd been eating fast food all my life without thinking about it. And the more I learned about the subject, the more intrigued I became.

The people designing the weapons literally often didn't know how they were being handled in the field by the Air Force - and a lot of people in the Air Force didn't understand some of the dangers. There's a very strong element of madness in this.