How did the mind evolve? How does the human mind differ from the minds of our ancestors, and from the minds of our nearest relatives, the apes? If our minds are built by selfish genes, why are we so cooperative? These questions are at the centre of a research programme called evolutionary psychology.
Thoreau has inspired generations of readers to think for themselves and to find meaning and beauty in nature. This sampling includes five of his most frequently read and cited essays: "On the Duty of Civil Disobedience" (1849), "Life without Principle" (1863), "Slavery in Massachusetts" (1854), "A Plea ...