Looks at the brief history of rain forest research.
Follows dolphins as they fight for mates, hunt food, and clash with other dolphin species.
A look at one tigress's struggle to raise cubs and survive in the wild.
Talks about understanding and surviving the lethal phenomenon known as the avalanche.
Depicts the impact a hurricane had on California's marine mammals and kelp forests.
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Off the coast of Israel, the oldest shipwrecks ever found in the Mediterranean offer clues to an ancient biblical civilization.
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