Deep
Journalist James Nestor takes readers on an immersive journey into the world of freediving, starting with his eye-opening coverage of the 2011 World Freediving Championships in Greece. Witnessing athletes push human limits to dive 300 feet—where lungs compress to the size of baseballs—ignites his obsession, leading him to explore the science, history, and spiritual connections of underwater exploration. He delves into the mammalian dive reflex, a genetic instinct that slows heart rate and redirects blood flow to vital organs, and documents his own transformative dives, from shallow encounters with fish to deep, awe-inspiring interactions with sperm whales. Nestor also uncovers the fading tradition of Japan’s ama divers, women who’ve freedived for 2,500 years in harmony with the ocean, and explores cutting-edge research on abyssal zone life and the iron-sulfur world hypothesis, which suggests life originated in deep-sea hydrothermal vents. Blending personal narrative, scientific inquiry, and cultural reflection, *Deep* redefines humanity’s ancient bond with the ocean and challenges readers to rethink our relationship with the natural world.