“What are you being so mean for, miss?” asks Humphrey Bogart’s character in “The African Queen.” “A man takes a drop too much once in a while, it’s only human nature.” Katharine Hepburn’s character ...

Practicing reciprocity between humans and nature—namely caring relationships between people and nature when they perceive benefits from nature—can contribute positively to both the planet and ...

The Origins of Politics: How Evolution and Ideology Shape the Fate of Nations, by Nicholas Wade (HarperCollins, 256 pp., $32.00) No matter how he lands on one’s radar, Wade is worth reading. His ...

Introduction -- Is political equality a reasonable goal? -- Is political equality achievable? -- A respectable role for emotions -- Political equality, human nature, and society -- Will political ...