Excess exercise tends to be counterbalanced by excess hunger, exemplified by the phrase 'working up an appetite.' A few people with extraordinary willpower can resist such hunger day after day, but for the vast majority, weight loss through exercise is a flawed option.

Conscious breath control is a useful tool for achieving a relaxed, clear state of mind.

We're all affected by music. It has the power to inspire, uplift us, change our moods, and even alter consciousness.

As an undergraduate at Harvard in the 1960s, I was fascinated by my visits to psychologist B.F. Skinner's laboratory.

In the world at large, people are rewarded or punished in ways that are often utterly random. In the garden, cause and effect, labor and reward, are re-coupled. Gardening makes sense in a senseless world. By extension, then, the more gardens in the world, the more justice, the more sense is created.