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Why are there so many different kinds, or species, of living things on earth, each uniquely fitted to its environment? For Charles Darwin, this question represented the "mystery of mysteries." Darwin first began to formulate an answer during a youthful voyage around the world on the H.M.S. Beagle from 1831 to 1835. Darwin's answer, known as the Theory of Natural Selection, changed the way we think about life on earth.

In a clever twist, this beautifully illustrated and engaging account reveals that Darwin had help from an unlikely source: a beetle named Rosie, who possessed a...

For centuries Egypt has been a citadel of Islamic learning and thought, and since the signing of the Egyptian-Israeli Peace Treaty in 1979, it has been of immense strategic importance to American interests in the Middle East. But Egypt is also a country in crisis, torn between the old and the new, between unsettled religious revival and secular politics. President Hosni Mubarak favors a secular society. But Mubarak's government faces constant conflict with militant clerics such as Sheikh Omar Abdel-Rahman. In A Portrait of Egypt, Mary Anne Weaver argues that an Islamist victory in...