In the ’90s, 28,000 rubber ducks fell into the ocean. Scientists mapped their incredible global journey.

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• In 1992, a storm caused a cargo ship carrying 28,800 rubber ducks and other bath toys from China to the U.S. to spill them into the North Pacific.
• Oceanographers Curtis Ebbesmeyer and Jim Ingraham used the floating toys as data points to track ocean currents and test their computer model.