BBC Inside Science The mysteries of the ocean floor
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Jun 5, 2025 In this engaging discussion, guests David Edgerton and Penny Sarchet delve into the mysteries of the ocean floor and the historical ties between science and warfare. Edgerton, a professor at King's College London, reveals how World War II influenced scientific research. Sarchet, Managing Editor at New Scientist, highlights the week’s top science stories. The duo also reflects on the staggering fact that 99.999% of the deep sea remains unexplored, calling for more initiatives to unlock its secrets. They celebrate David Attenborough’s legacy as he turns 99, marking his impact on nature.
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Deep Ocean Largely Unseen
- Only 0.001% of the global deep sea floor has been visually explored by humans.
- Deep sea exploration remains severely limited due to its cost and technological challenges.
Democratizing Deep Sea Exploration
- High costs restrict deep sea exploration mainly to wealthy countries.
- New lower-cost technologies may democratize access and accelerate discovery globally.
Deep Sea's Vital Ecological Role
- The deep sea is the largest continuous ocean habitat vital for climate and nutrient cycles.
- Protecting it is crucial for overall ocean health and sustaining fish stocks.
