BY Krista Tippett June 06, 2016

"Call it the hidden hand of God; I would simply call it the hidden hand of the equations. And that gets us from the beginning to here." Theoretical physicist Brian Greene on the hidden nature of reality, and the power of scientific theory to reveal the beauty that we cannot observe.

BY Rick LaValley July 06, 2014

A veteran outdoorsman finds comfort in the words of Ralph Waldo Emerson. For this self-described river rat, nature is the circumstance which dwarfs every other circumstance.