Nature

In 1993, Norwegian explorer Erling Kagge became the first person to cross Antarctica alone. It took him 50 days. The thing that had the biggest impact on him was the silence.

One of the quietest places in the U.S. is a spot inside the Hoh Rain Forest in the Olympic National Park in Washington. It's called "One Square Inch of Silence." And it was created by the acoustic ecologist Gordon Hempton.

Frank Wilczek is a Nobel Prize-winning physicist at MIT. He's kind of obsessed, in his own way, with understanding the universe. Specifically, he’s interested in what he calls “the beautiful question." Is the universe naturally, inherently beautiful?

What if the geometric structure of the universe has been hidden, for centuries, in crochet?

If climate change is the most urgent problem facing humanity, why are there so few novels about it? Acclaimed novelist Amitav Ghosh believes that’s a big problem. He says climate change is less a science problem than a crisis of imagination.

It’s hard to wrap your head around climate change. How do you really take in the concept of planetary change over decades or even centuries? Visual artist Kambui Olujimi explores different ideas about time in his one-man show “Zulu Time.”

We’re starting to see a new kind of fiction: climate fiction. Lidia Yuknavitch’s “The Book of Joan” is one of the most stunning examples. It’s the story of a near-future where Earth is decimated and the last few survivors are stranded in space.