984: Susan Casey | Unraveling Mysteries in the Ocean's Darkest Depths

What challenges can the ocean help us meet, and what must we do to safeguard its treasures? The Underworld author Susan Casey dives deep for answers here!

What We Discuss with Susan Casey: The ocean plays a crucial role in regulating the Earth's climate and serves as the largest carbon sink on the planet, making its preservation essential for mitigating climate change. The ocean is home to a fascinating array of creatures that have adapted to extreme conditions, such as iron-breathing microbes, glass sponges, and jellyfish that can reverse their life cycle. Pollution, including plastics, chemical weapons, and nuclear waste, has severely impacted the ocean ecosystem, with some deep-sea creatures found to have plastic particles embedded in their organs. There are an estimated three million shipwrecks on the ocean floor, preserving valuable historical artifacts and information — such as the Antikythera mechanism, an ancient Greek analog computer. Exploring the ocean can lead to groundbreaking discoveries in medicine, Earth's history, and climate, providing valuable insights for addressing humanity's challenges — provided we safeguard this treasury of knowledge for current and future generations. And much more...

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