We humans are obsessed with lights...Perhaps it is our way of hurling the constellations back at the sky.

We evolved as creatures knitted into the fabric of nature, and without its intimate truths, we can find ourselves unraveling.

For better or worse, zoos are how most people come to know big or exotic animals. Few will ever see wild penguins sledding downhill to sea on their bellies, giant pandas holding bamboo lollipops in China or tree porcupines in the Canadian Rockies, balled up like giant pine cones.

Hurricane season brings a humbling reminder that, despite our technologies, most of nature remains unpredictable.

The daftest logic brings such sweet unrest.

[On gardens:] I think they're sanctuaries for the mind and spirit. ... It's easy to feel wonder-struck in a garden, especially if you cultivate delight.

Shaped a little like a loaf of French country bread, our brain is a crowded chemistry lab, bustling with nonstop neural conversations.