Clinically speaking, depression is a pessimistic sense of your own capabilities, and despondent lack of energy.

A dramatic decrease in oil availability is not at all far-fetched.

When we play a game, we tackle tough challenges with more creativity, more determination, more optimism, and we're more likely to reach out to others for help.

There is so much more knowledge than most people realize about how to maximize the benefits of play and minimize the potential harms.

Game developers know that people have more fun when they're in large groups. They feel more fired up when the challenges are more epic.

Gamers always believe that an epic win is possible and that it's always worth trying and trying now.

When we know our strengths, we're more likely to use them.