Habits are malleable throughout your entire life.

But countless studies have shown that a cue and a reward, on their own, aren't enough for a new habit to last. Only when your brain starts expecting the reward--craving the endorphins or sense of accomplishment--will it become automatic to lace up your jogging shoes each morning. The cue, in addition to triggering a routine, must also trigger a craving for the reward to come.

If you dress a new something in old habits, it’s easier for the public to accept it.

Rather, to change a habit, you must keep the old cue, and deliver the old reward, but insert a new routine.

Some say because music is as much about personal expression as listening pleasure, sharing is integral to why songs have value in the first place.

The same process that makes AA so effective—the power of a group to teach individuals how to believe—happens whenever people come together to help one another change. Belief is easier when it occurs within a community.

The waste from power plants is essentially what is left over when you burn coal. And as we all know, coal is a relatively dirty mineral.