I love Colorado. I have since the first time I visited more than thirty years ago. I remember thinking, I’m going to come back here someday , and I did. After sixteen winters—five after I stopped skiing—it felt like time to try something different. Marilyn, who had spent even more winters there than I had, agreed.   So we loaded up the RV and headed to Florida.   Twenty-five hours of driving and four days later, we arrived in St. Augustine. I began this essay sitting inside the RV while the...

An essay on neuroscience, perception, and memory, examining how the brain simulates experience, why certainty is fragile, and what that means for how we understand ourselves and others.

A reflective essay on identity, certainty, and change—why the self may be less solid than we think, even when we polish the mirror carefully.