What constitutes a "hard workout" is relative: Your warmup may actually be another person's full workout. Landmark workouts for people's birthdays (like my 50th this year), holiday challenges (Murph, ...

Riddles aren’t just a way to kill time. They actually get kids thinking, laughing, and learning—sometimes all at once. Maybe you’re looking for something to do on a chilly winter afternoon, or you ...

In the corpus of the science of fun, there is a type of enjoyment that goes against the grain of seeking comfort and ease: “Type II Fun” (academically more often referred to as “hard fun”). Although ...