Dive into the science of ocean currents (including the Global Conveyor Belt current), and find out how climate change affects them.

In 1992, a cargo ship carrying bath toys got caught in a storm. Shipping containers washed overboard, and the waves swept 28,000 rubber ducks and other toys into the North Pacific. But they didn’t stick together — the ducks have since washed up all over the world. How did this happen? Jennifer Verduin dives into the science of ocean currents.

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