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Read articles, including Science News stories written for ages 9-14, on the SNK website.
TAKING A TUMBLE

Phytoplankton often accumulate in thin layers below the ocean surface. The boundary between two currents could be where. This illustration shows upward swimming plankton becoming disoriented and stalling once they hit a sharp change in current velocity. Credit: IMAGE CREDIT: Credit: G. Gorick, W. Durham and R. Stocker

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