Life thrives in the deepest, darkest recesses of Earth’s crust, and it is unlike anything seen on the surface. Discovered only in recent decades, intraterrestrials—bizarre subsurface beings that can live for millions of years—demonstrate how life can exist in boiling water, pure acid, and even bleach.
Biologist Karen Lloyd offers a firsthand account of the remarkable hunt for life beneath Earth’s surface and how new discoveries are challenging our most basic assumptions about the nature of life on Earth. She shares what scientists are learning about these strange types of microbial life and how research expeditions to some of the most extreme locales on the planet are broadening our understanding of what life is and how its earliest forms may have evolved.
Lloyd’s new book, Intraterrestrials: Discovering the Strangest Life on Earth (Princeton University Press), is available for purchase.
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