The two major challenges for the 21st century are to improve the economic situation of the majority and save as much of the planet as we can.

Each species is a masterpiece, a creation assembled with extreme care and genius.

The ant world is a tumult, a noisy world of pheromones being passed back and forth.

It's the technique, I think, of writing a novel that is difficult for a nonfiction writer.

Competing is intense among humans, and within a group, selfish individuals always win. But in contests between groups, groups of altruists always beat groups of selfish individuals.

The world depends on fungi, because they are major players in the cycling of materials and energy around the world.

Our brain is mapping the world. Often that map is distorted, but it's a map with constant immediate sensory input.