EpisodeS1E142015-01-01
A Curious World
Underwater Worlds
The ocean covers 70 percent of the Earth's surface, but scientists say they still know shockingly little about the mysterious, deep blue sea. What lies at the bottom of our oceans?
A Curious World
The ocean covers 70 percent of the Earth's surface, but scientists say they still know shockingly little about the mysterious, deep blue sea. What lies at the bottom of our oceans?