Language defines us as a species, placing humans head and shoulders above even the most proficient animal communicators. But it also beguiles us with its endless mysteries, allowing us to ponder why different languages emerged, why there isn't simply a single language, how languages change over time and whether that's good or bad, and how languages die out and become extinct.

アリに乗る！ 餌をねだる!! アリを食べる!!!アリの巣の居候、キミらは一体何者だ？アリの行列をじっと眺めていると、アリ以外の生き物が何食わぬ顔で混じっていることがある。

This is an audio summary of Essentialism, a book providing strategies on time-management.

Are mass violence and catastrophes the only forces that can seriously decrease economic inequality? To judge by thousands of years of history, the answer is yes. Tracing the global history of inequality from the Stone Age to today, Walter Scheidel shows that inequality never dies peacefully. Inequality declines when carnage and disaster strike and increases when peace and stability return. The Great Leveler is the first book to chart the crucial role of violent shocks in reducing inequality over the full sweep of human history around the world.

The millennium between the breakup of the western Roman Empire and the Reformation was a long and hugely transformative period - one not easily chronicled within a single book. Yet distinguished historian Chris Wickham has taken up the challenge in this landmark book, and he succeeds in producing the most riveting account of medieval Europe in a generation.