49

There Is a City Under the Sea

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84

The Ocean Contains About 20 Million Tons of Gold

82

Over 80% of the Ocean Is Unmapped and Unexplored

81

Mimic Octopus Copies 15 Species

79

Deepest Point Is 36,000 Feet

78

Turritopsis Jellyfish Is Biologically Immortal

78

Pistol Shrimp Creates Sonic Boom