Ebook: How Many Friends Does One Person Need?: Dunbar's Number and Other Evolutionary Quirks

In the beginning -- The monogamous brain -- Dunbar's number -- Kith and kin -- The ancestors that still haunt us -- Bonds that bind -- Why gossip is good for you -- Scars of evolution -- Who'd mess with evolution? -- The Darwin wars -- So near, and yet so far -- Farewell, cousins -- Stone Age psychology -- Natural minds -- How to join the culture club -- Be smart ... live longer -- Beautiful science -- Are you lonesome tonight? -- Eskimos rub noses -- Your cheating heart -- Morality on the brain -- How evolution found God.