"An astounding and inspiring look at the science behind tribalism, and how we can learn to harness it to improve the world around us. What do you think of when you hear the word "tribalism?" For many, it conjures images of bigotry, xenophobia, and sectarian violence. Others may envision their own tribe: family, friends, and the bonds of loyalty that keep them together. Tribalism is one of the most complex and ancient evolutionary forces; it gave us...

An exploration of the biological roots of positive social behavior reveals how human genes have countered violence and self-interest with equally inherent, society-building tendencies toward friendship, cooperation, and learning.

An epic detective story that offers a gripping expose on why the world is so unequal. Professor Jared Diamond traveled the globe for over 30 years trying to answer this question. Based on the Pulitzer Prize-winning book.