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When Worlds Quake by Hrvoje Tkal膷i膰 is a fascinating account of how scientists around the globe seek to use quakes to answer tantalizing questions about the structure and inner dynamics of our planet and to discover the deepest secrets of our nearest neighbors in the solar system.

Karen G. Lloyd discusses how research expeditions to some of the most extreme locales on the planet are broadening our understanding of what life is.

The Dutch Caribbean islands of Aruba and Cura莽ao are famed for their sun-kissed beaches. Just fifty miles to their east, the lesser-known Bonaire island is treasured by scuba divers precisely for its lack of beaches, bathers and tourist hotels.

Intraterrestrials by Karen G. Llyod is a biologist鈥檚 firsthand account of the hunt for life beneath earth鈥檚 surface鈥攁nd how new discoveries are challenging our most basic assumptions about the nature of life on Earth.

It is rare for life to change Earth, yet three organisms have profoundly transformed our planet over the long course of its history.