How did life begin on Earth? Does it exist elsewhere? What would those life forms be like? These fundamental questions about the nature of life and our own cosmic significance are endlessly fascinating. In this book, we present several theories on the origin of life, some of its extreme and surprising forms, and the ongoing search for signs—or sentience—on distant worlds.
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Scientific American is the longest continuously published magazine in the United States and the home of the most exciting authors presenting the most dynamic ideas in science today. As the leading popular source and authority on science, technology, and innovation, Scientific American’s award-winning scientist-authored content engages, educates, and inspires current and future generations of curious citizens and public and private sector leaders.
Bernadette Dunne is the winner of numerous AudioFile Earphones Awards and has twice been nominated for the prestigious Audie Award. She studied at the Royal National Theatre in London and the Studio Theater in Washington, DC, and has appeared at the Kennedy Center and off Broadway.